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1 | """A semi-synchronous Client for the ZMQ cluster |
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1 | """A semi-synchronous Client for the ZMQ cluster | |
2 |
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2 | |||
3 | Authors: |
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3 | Authors: | |
4 |
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4 | |||
5 | * MinRK |
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5 | * MinRK | |
6 | """ |
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6 | """ | |
7 | #----------------------------------------------------------------------------- |
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7 | #----------------------------------------------------------------------------- | |
8 | # Copyright (C) 2010-2011 The IPython Development Team |
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8 | # Copyright (C) 2010-2011 The IPython Development Team | |
9 | # |
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9 | # | |
10 | # Distributed under the terms of the BSD License. The full license is in |
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10 | # Distributed under the terms of the BSD License. The full license is in | |
11 | # the file COPYING, distributed as part of this software. |
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11 | # the file COPYING, distributed as part of this software. | |
12 | #----------------------------------------------------------------------------- |
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12 | #----------------------------------------------------------------------------- | |
13 |
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13 | |||
14 | #----------------------------------------------------------------------------- |
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14 | #----------------------------------------------------------------------------- | |
15 | # Imports |
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15 | # Imports | |
16 | #----------------------------------------------------------------------------- |
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16 | #----------------------------------------------------------------------------- | |
17 |
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17 | |||
18 | import os |
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18 | import os | |
19 | import json |
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19 | import json | |
20 | import sys |
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20 | import sys | |
21 | from threading import Thread, Event |
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21 | from threading import Thread, Event | |
22 | import time |
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22 | import time | |
23 | import warnings |
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23 | import warnings | |
24 | from datetime import datetime |
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24 | from datetime import datetime | |
25 | from getpass import getpass |
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25 | from getpass import getpass | |
26 | from pprint import pprint |
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26 | from pprint import pprint | |
27 |
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27 | |||
28 | pjoin = os.path.join |
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28 | pjoin = os.path.join | |
29 |
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29 | |||
30 | import zmq |
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30 | import zmq | |
31 | # from zmq.eventloop import ioloop, zmqstream |
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31 | # from zmq.eventloop import ioloop, zmqstream | |
32 |
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32 | |||
33 | from IPython.config.configurable import MultipleInstanceError |
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33 | from IPython.config.configurable import MultipleInstanceError | |
34 | from IPython.core.application import BaseIPythonApplication |
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34 | from IPython.core.application import BaseIPythonApplication | |
35 | from IPython.core.profiledir import ProfileDir, ProfileDirError |
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35 | from IPython.core.profiledir import ProfileDir, ProfileDirError | |
36 |
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36 | |||
37 | from IPython.utils.coloransi import TermColors |
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37 | from IPython.utils.coloransi import TermColors | |
38 | from IPython.utils.jsonutil import rekey |
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38 | from IPython.utils.jsonutil import rekey | |
39 | from IPython.utils.localinterfaces import LOCALHOST, LOCAL_IPS |
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39 | from IPython.utils.localinterfaces import LOCALHOST, LOCAL_IPS | |
40 | from IPython.utils.path import get_ipython_dir |
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40 | from IPython.utils.path import get_ipython_dir | |
41 | from IPython.utils.py3compat import cast_bytes |
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41 | from IPython.utils.py3compat import cast_bytes | |
42 | from IPython.utils.traitlets import (HasTraits, Integer, Instance, Unicode, |
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42 | from IPython.utils.traitlets import (HasTraits, Integer, Instance, Unicode, | |
43 | Dict, List, Bool, Set, Any) |
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43 | Dict, List, Bool, Set, Any) | |
44 | from IPython.external.decorator import decorator |
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44 | from IPython.external.decorator import decorator | |
45 | from IPython.external.ssh import tunnel |
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45 | from IPython.external.ssh import tunnel | |
46 |
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46 | |||
47 | from IPython.parallel import Reference |
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47 | from IPython.parallel import Reference | |
48 | from IPython.parallel import error |
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48 | from IPython.parallel import error | |
49 | from IPython.parallel import util |
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49 | from IPython.parallel import util | |
50 |
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50 | |||
51 | from IPython.kernel.zmq.session import Session, Message |
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51 | from IPython.kernel.zmq.session import Session, Message | |
52 | from IPython.kernel.zmq import serialize |
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52 | from IPython.kernel.zmq import serialize | |
53 |
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53 | |||
54 | from .asyncresult import AsyncResult, AsyncHubResult |
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54 | from .asyncresult import AsyncResult, AsyncHubResult | |
55 | from .view import DirectView, LoadBalancedView |
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55 | from .view import DirectView, LoadBalancedView | |
56 |
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56 | |||
57 | if sys.version_info[0] >= 3: |
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57 | if sys.version_info[0] >= 3: | |
58 | # xrange is used in a couple 'isinstance' tests in py2 |
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58 | # xrange is used in a couple 'isinstance' tests in py2 | |
59 | # should be just 'range' in 3k |
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59 | # should be just 'range' in 3k | |
60 | xrange = range |
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60 | xrange = range | |
61 |
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61 | |||
62 | #-------------------------------------------------------------------------- |
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62 | #-------------------------------------------------------------------------- | |
63 | # Decorators for Client methods |
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63 | # Decorators for Client methods | |
64 | #-------------------------------------------------------------------------- |
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64 | #-------------------------------------------------------------------------- | |
65 |
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65 | |||
66 | @decorator |
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66 | @decorator | |
67 | def spin_first(f, self, *args, **kwargs): |
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67 | def spin_first(f, self, *args, **kwargs): | |
68 | """Call spin() to sync state prior to calling the method.""" |
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68 | """Call spin() to sync state prior to calling the method.""" | |
69 | self.spin() |
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69 | self.spin() | |
70 | return f(self, *args, **kwargs) |
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70 | return f(self, *args, **kwargs) | |
71 |
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71 | |||
72 |
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72 | |||
73 | #-------------------------------------------------------------------------- |
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73 | #-------------------------------------------------------------------------- | |
74 | # Classes |
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74 | # Classes | |
75 | #-------------------------------------------------------------------------- |
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75 | #-------------------------------------------------------------------------- | |
76 |
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76 | |||
77 |
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77 | |||
78 | class ExecuteReply(object): |
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78 | class ExecuteReply(object): | |
79 | """wrapper for finished Execute results""" |
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79 | """wrapper for finished Execute results""" | |
80 | def __init__(self, msg_id, content, metadata): |
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80 | def __init__(self, msg_id, content, metadata): | |
81 | self.msg_id = msg_id |
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81 | self.msg_id = msg_id | |
82 | self._content = content |
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82 | self._content = content | |
83 | self.execution_count = content['execution_count'] |
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83 | self.execution_count = content['execution_count'] | |
84 | self.metadata = metadata |
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84 | self.metadata = metadata | |
85 |
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85 | |||
86 | def __getitem__(self, key): |
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86 | def __getitem__(self, key): | |
87 | return self.metadata[key] |
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87 | return self.metadata[key] | |
88 |
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88 | |||
89 | def __getattr__(self, key): |
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89 | def __getattr__(self, key): | |
90 | if key not in self.metadata: |
|
90 | if key not in self.metadata: | |
91 | raise AttributeError(key) |
|
91 | raise AttributeError(key) | |
92 | return self.metadata[key] |
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92 | return self.metadata[key] | |
93 |
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93 | |||
94 | def __repr__(self): |
|
94 | def __repr__(self): | |
95 | pyout = self.metadata['pyout'] or {'data':{}} |
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95 | pyout = self.metadata['pyout'] or {'data':{}} | |
96 | text_out = pyout['data'].get('text/plain', '') |
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96 | text_out = pyout['data'].get('text/plain', '') | |
97 | if len(text_out) > 32: |
|
97 | if len(text_out) > 32: | |
98 | text_out = text_out[:29] + '...' |
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98 | text_out = text_out[:29] + '...' | |
99 |
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99 | |||
100 | return "<ExecuteReply[%i]: %s>" % (self.execution_count, text_out) |
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100 | return "<ExecuteReply[%i]: %s>" % (self.execution_count, text_out) | |
101 |
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101 | |||
102 | def _repr_pretty_(self, p, cycle): |
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102 | def _repr_pretty_(self, p, cycle): | |
103 | pyout = self.metadata['pyout'] or {'data':{}} |
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103 | pyout = self.metadata['pyout'] or {'data':{}} | |
104 | text_out = pyout['data'].get('text/plain', '') |
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104 | text_out = pyout['data'].get('text/plain', '') | |
105 |
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105 | |||
106 | if not text_out: |
|
106 | if not text_out: | |
107 | return |
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107 | return | |
108 |
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108 | |||
109 | try: |
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109 | try: | |
110 | ip = get_ipython() |
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110 | ip = get_ipython() | |
111 | except NameError: |
|
111 | except NameError: | |
112 | colors = "NoColor" |
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112 | colors = "NoColor" | |
113 | else: |
|
113 | else: | |
114 | colors = ip.colors |
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114 | colors = ip.colors | |
115 |
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115 | |||
116 | if colors == "NoColor": |
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116 | if colors == "NoColor": | |
117 | out = normal = "" |
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117 | out = normal = "" | |
118 | else: |
|
118 | else: | |
119 | out = TermColors.Red |
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119 | out = TermColors.Red | |
120 | normal = TermColors.Normal |
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120 | normal = TermColors.Normal | |
121 |
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121 | |||
122 | if '\n' in text_out and not text_out.startswith('\n'): |
|
122 | if '\n' in text_out and not text_out.startswith('\n'): | |
123 | # add newline for multiline reprs |
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123 | # add newline for multiline reprs | |
124 | text_out = '\n' + text_out |
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124 | text_out = '\n' + text_out | |
125 |
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125 | |||
126 | p.text( |
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126 | p.text( | |
127 | out + u'Out[%i:%i]: ' % ( |
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127 | out + u'Out[%i:%i]: ' % ( | |
128 | self.metadata['engine_id'], self.execution_count |
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128 | self.metadata['engine_id'], self.execution_count | |
129 | ) + normal + text_out |
|
129 | ) + normal + text_out | |
130 | ) |
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130 | ) | |
131 |
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131 | |||
132 | def _repr_html_(self): |
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132 | def _repr_html_(self): | |
133 | pyout = self.metadata['pyout'] or {'data':{}} |
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133 | pyout = self.metadata['pyout'] or {'data':{}} | |
134 | return pyout['data'].get("text/html") |
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134 | return pyout['data'].get("text/html") | |
135 |
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135 | |||
136 | def _repr_latex_(self): |
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136 | def _repr_latex_(self): | |
137 | pyout = self.metadata['pyout'] or {'data':{}} |
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137 | pyout = self.metadata['pyout'] or {'data':{}} | |
138 | return pyout['data'].get("text/latex") |
|
138 | return pyout['data'].get("text/latex") | |
139 |
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139 | |||
140 | def _repr_json_(self): |
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140 | def _repr_json_(self): | |
141 | pyout = self.metadata['pyout'] or {'data':{}} |
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141 | pyout = self.metadata['pyout'] or {'data':{}} | |
142 | return pyout['data'].get("application/json") |
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142 | return pyout['data'].get("application/json") | |
143 |
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143 | |||
144 | def _repr_javascript_(self): |
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144 | def _repr_javascript_(self): | |
145 | pyout = self.metadata['pyout'] or {'data':{}} |
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145 | pyout = self.metadata['pyout'] or {'data':{}} | |
146 | return pyout['data'].get("application/javascript") |
|
146 | return pyout['data'].get("application/javascript") | |
147 |
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147 | |||
148 | def _repr_png_(self): |
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148 | def _repr_png_(self): | |
149 | pyout = self.metadata['pyout'] or {'data':{}} |
|
149 | pyout = self.metadata['pyout'] or {'data':{}} | |
150 | return pyout['data'].get("image/png") |
|
150 | return pyout['data'].get("image/png") | |
151 |
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151 | |||
152 | def _repr_jpeg_(self): |
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152 | def _repr_jpeg_(self): | |
153 | pyout = self.metadata['pyout'] or {'data':{}} |
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153 | pyout = self.metadata['pyout'] or {'data':{}} | |
154 | return pyout['data'].get("image/jpeg") |
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154 | return pyout['data'].get("image/jpeg") | |
155 |
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155 | |||
156 | def _repr_svg_(self): |
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156 | def _repr_svg_(self): | |
157 | pyout = self.metadata['pyout'] or {'data':{}} |
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157 | pyout = self.metadata['pyout'] or {'data':{}} | |
158 | return pyout['data'].get("image/svg+xml") |
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158 | return pyout['data'].get("image/svg+xml") | |
159 |
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159 | |||
160 |
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160 | |||
161 | class Metadata(dict): |
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161 | class Metadata(dict): | |
162 | """Subclass of dict for initializing metadata values. |
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162 | """Subclass of dict for initializing metadata values. | |
163 |
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163 | |||
164 | Attribute access works on keys. |
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164 | Attribute access works on keys. | |
165 |
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165 | |||
166 | These objects have a strict set of keys - errors will raise if you try |
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166 | These objects have a strict set of keys - errors will raise if you try | |
167 | to add new keys. |
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167 | to add new keys. | |
168 | """ |
|
168 | """ | |
169 | def __init__(self, *args, **kwargs): |
|
169 | def __init__(self, *args, **kwargs): | |
170 | dict.__init__(self) |
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170 | dict.__init__(self) | |
171 | md = {'msg_id' : None, |
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171 | md = {'msg_id' : None, | |
172 | 'submitted' : None, |
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172 | 'submitted' : None, | |
173 | 'started' : None, |
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173 | 'started' : None, | |
174 | 'completed' : None, |
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174 | 'completed' : None, | |
175 | 'received' : None, |
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175 | 'received' : None, | |
176 | 'engine_uuid' : None, |
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176 | 'engine_uuid' : None, | |
177 | 'engine_id' : None, |
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177 | 'engine_id' : None, | |
178 | 'follow' : None, |
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178 | 'follow' : None, | |
179 | 'after' : None, |
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179 | 'after' : None, | |
180 | 'status' : None, |
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180 | 'status' : None, | |
181 |
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181 | |||
182 | 'pyin' : None, |
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182 | 'pyin' : None, | |
183 | 'pyout' : None, |
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183 | 'pyout' : None, | |
184 | 'pyerr' : None, |
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184 | 'pyerr' : None, | |
185 | 'stdout' : '', |
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185 | 'stdout' : '', | |
186 | 'stderr' : '', |
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186 | 'stderr' : '', | |
187 | 'outputs' : [], |
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187 | 'outputs' : [], | |
188 | 'data': {}, |
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188 | 'data': {}, | |
189 | 'outputs_ready' : False, |
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189 | 'outputs_ready' : False, | |
190 | } |
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190 | } | |
191 | self.update(md) |
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191 | self.update(md) | |
192 | self.update(dict(*args, **kwargs)) |
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192 | self.update(dict(*args, **kwargs)) | |
193 |
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193 | |||
194 | def __getattr__(self, key): |
|
194 | def __getattr__(self, key): | |
195 | """getattr aliased to getitem""" |
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195 | """getattr aliased to getitem""" | |
196 | if key in self.iterkeys(): |
|
196 | if key in self.iterkeys(): | |
197 | return self[key] |
|
197 | return self[key] | |
198 | else: |
|
198 | else: | |
199 | raise AttributeError(key) |
|
199 | raise AttributeError(key) | |
200 |
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200 | |||
201 | def __setattr__(self, key, value): |
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201 | def __setattr__(self, key, value): | |
202 | """setattr aliased to setitem, with strict""" |
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202 | """setattr aliased to setitem, with strict""" | |
203 | if key in self.iterkeys(): |
|
203 | if key in self.iterkeys(): | |
204 | self[key] = value |
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204 | self[key] = value | |
205 | else: |
|
205 | else: | |
206 | raise AttributeError(key) |
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206 | raise AttributeError(key) | |
207 |
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207 | |||
208 | def __setitem__(self, key, value): |
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208 | def __setitem__(self, key, value): | |
209 | """strict static key enforcement""" |
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209 | """strict static key enforcement""" | |
210 | if key in self.iterkeys(): |
|
210 | if key in self.iterkeys(): | |
211 | dict.__setitem__(self, key, value) |
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211 | dict.__setitem__(self, key, value) | |
212 | else: |
|
212 | else: | |
213 | raise KeyError(key) |
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213 | raise KeyError(key) | |
214 |
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214 | |||
215 |
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215 | |||
216 | class Client(HasTraits): |
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216 | class Client(HasTraits): | |
217 | """A semi-synchronous client to the IPython ZMQ cluster |
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217 | """A semi-synchronous client to the IPython ZMQ cluster | |
218 |
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218 | |||
219 | Parameters |
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219 | Parameters | |
220 | ---------- |
|
220 | ---------- | |
221 |
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221 | |||
222 | url_file : str/unicode; path to ipcontroller-client.json |
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222 | url_file : str/unicode; path to ipcontroller-client.json | |
223 | This JSON file should contain all the information needed to connect to a cluster, |
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223 | This JSON file should contain all the information needed to connect to a cluster, | |
224 | and is likely the only argument needed. |
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224 | and is likely the only argument needed. | |
225 | Connection information for the Hub's registration. If a json connector |
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225 | Connection information for the Hub's registration. If a json connector | |
226 | file is given, then likely no further configuration is necessary. |
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226 | file is given, then likely no further configuration is necessary. | |
227 | [Default: use profile] |
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227 | [Default: use profile] | |
228 | profile : bytes |
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228 | profile : bytes | |
229 | The name of the Cluster profile to be used to find connector information. |
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229 | The name of the Cluster profile to be used to find connector information. | |
230 | If run from an IPython application, the default profile will be the same |
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230 | If run from an IPython application, the default profile will be the same | |
231 | as the running application, otherwise it will be 'default'. |
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231 | as the running application, otherwise it will be 'default'. | |
232 | cluster_id : str |
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232 | cluster_id : str | |
233 | String id to added to runtime files, to prevent name collisions when using |
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233 | String id to added to runtime files, to prevent name collisions when using | |
234 | multiple clusters with a single profile simultaneously. |
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234 | multiple clusters with a single profile simultaneously. | |
235 | When set, will look for files named like: 'ipcontroller-<cluster_id>-client.json' |
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235 | When set, will look for files named like: 'ipcontroller-<cluster_id>-client.json' | |
236 | Since this is text inserted into filenames, typical recommendations apply: |
|
236 | Since this is text inserted into filenames, typical recommendations apply: | |
237 | Simple character strings are ideal, and spaces are not recommended (but |
|
237 | Simple character strings are ideal, and spaces are not recommended (but | |
238 | should generally work) |
|
238 | should generally work) | |
239 | context : zmq.Context |
|
239 | context : zmq.Context | |
240 | Pass an existing zmq.Context instance, otherwise the client will create its own. |
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240 | Pass an existing zmq.Context instance, otherwise the client will create its own. | |
241 | debug : bool |
|
241 | debug : bool | |
242 | flag for lots of message printing for debug purposes |
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242 | flag for lots of message printing for debug purposes | |
243 | timeout : int/float |
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243 | timeout : int/float | |
244 | time (in seconds) to wait for connection replies from the Hub |
|
244 | time (in seconds) to wait for connection replies from the Hub | |
245 | [Default: 10] |
|
245 | [Default: 10] | |
246 |
|
246 | |||
247 | #-------------- session related args ---------------- |
|
247 | #-------------- session related args ---------------- | |
248 |
|
248 | |||
249 | config : Config object |
|
249 | config : Config object | |
250 | If specified, this will be relayed to the Session for configuration |
|
250 | If specified, this will be relayed to the Session for configuration | |
251 | username : str |
|
251 | username : str | |
252 | set username for the session object |
|
252 | set username for the session object | |
253 |
|
253 | |||
254 | #-------------- ssh related args ---------------- |
|
254 | #-------------- ssh related args ---------------- | |
255 | # These are args for configuring the ssh tunnel to be used |
|
255 | # These are args for configuring the ssh tunnel to be used | |
256 | # credentials are used to forward connections over ssh to the Controller |
|
256 | # credentials are used to forward connections over ssh to the Controller | |
257 | # Note that the ip given in `addr` needs to be relative to sshserver |
|
257 | # Note that the ip given in `addr` needs to be relative to sshserver | |
258 | # The most basic case is to leave addr as pointing to localhost (127.0.0.1), |
|
258 | # The most basic case is to leave addr as pointing to localhost (127.0.0.1), | |
259 | # and set sshserver as the same machine the Controller is on. However, |
|
259 | # and set sshserver as the same machine the Controller is on. However, | |
260 | # the only requirement is that sshserver is able to see the Controller |
|
260 | # the only requirement is that sshserver is able to see the Controller | |
261 | # (i.e. is within the same trusted network). |
|
261 | # (i.e. is within the same trusted network). | |
262 |
|
262 | |||
263 | sshserver : str |
|
263 | sshserver : str | |
264 | A string of the form passed to ssh, i.e. 'server.tld' or 'user@server.tld:port' |
|
264 | A string of the form passed to ssh, i.e. 'server.tld' or 'user@server.tld:port' | |
265 | If keyfile or password is specified, and this is not, it will default to |
|
265 | If keyfile or password is specified, and this is not, it will default to | |
266 | the ip given in addr. |
|
266 | the ip given in addr. | |
267 | sshkey : str; path to ssh private key file |
|
267 | sshkey : str; path to ssh private key file | |
268 | This specifies a key to be used in ssh login, default None. |
|
268 | This specifies a key to be used in ssh login, default None. | |
269 | Regular default ssh keys will be used without specifying this argument. |
|
269 | Regular default ssh keys will be used without specifying this argument. | |
270 | password : str |
|
270 | password : str | |
271 | Your ssh password to sshserver. Note that if this is left None, |
|
271 | Your ssh password to sshserver. Note that if this is left None, | |
272 | you will be prompted for it if passwordless key based login is unavailable. |
|
272 | you will be prompted for it if passwordless key based login is unavailable. | |
273 | paramiko : bool |
|
273 | paramiko : bool | |
274 | flag for whether to use paramiko instead of shell ssh for tunneling. |
|
274 | flag for whether to use paramiko instead of shell ssh for tunneling. | |
275 | [default: True on win32, False else] |
|
275 | [default: True on win32, False else] | |
276 |
|
276 | |||
277 |
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277 | |||
278 | Attributes |
|
278 | Attributes | |
279 | ---------- |
|
279 | ---------- | |
280 |
|
280 | |||
281 | ids : list of int engine IDs |
|
281 | ids : list of int engine IDs | |
282 | requesting the ids attribute always synchronizes |
|
282 | requesting the ids attribute always synchronizes | |
283 | the registration state. To request ids without synchronization, |
|
283 | the registration state. To request ids without synchronization, | |
284 | use semi-private _ids attributes. |
|
284 | use semi-private _ids attributes. | |
285 |
|
285 | |||
286 | history : list of msg_ids |
|
286 | history : list of msg_ids | |
287 | a list of msg_ids, keeping track of all the execution |
|
287 | a list of msg_ids, keeping track of all the execution | |
288 | messages you have submitted in order. |
|
288 | messages you have submitted in order. | |
289 |
|
289 | |||
290 | outstanding : set of msg_ids |
|
290 | outstanding : set of msg_ids | |
291 | a set of msg_ids that have been submitted, but whose |
|
291 | a set of msg_ids that have been submitted, but whose | |
292 | results have not yet been received. |
|
292 | results have not yet been received. | |
293 |
|
293 | |||
294 | results : dict |
|
294 | results : dict | |
295 | a dict of all our results, keyed by msg_id |
|
295 | a dict of all our results, keyed by msg_id | |
296 |
|
296 | |||
297 | block : bool |
|
297 | block : bool | |
298 | determines default behavior when block not specified |
|
298 | determines default behavior when block not specified | |
299 | in execution methods |
|
299 | in execution methods | |
300 |
|
300 | |||
301 | Methods |
|
301 | Methods | |
302 | ------- |
|
302 | ------- | |
303 |
|
303 | |||
304 | spin |
|
304 | spin | |
305 | flushes incoming results and registration state changes |
|
305 | flushes incoming results and registration state changes | |
306 | control methods spin, and requesting `ids` also ensures up to date |
|
306 | control methods spin, and requesting `ids` also ensures up to date | |
307 |
|
307 | |||
308 | wait |
|
308 | wait | |
309 | wait on one or more msg_ids |
|
309 | wait on one or more msg_ids | |
310 |
|
310 | |||
311 | execution methods |
|
311 | execution methods | |
312 | apply |
|
312 | apply | |
313 | legacy: execute, run |
|
313 | legacy: execute, run | |
314 |
|
314 | |||
315 | data movement |
|
315 | data movement | |
316 | push, pull, scatter, gather |
|
316 | push, pull, scatter, gather | |
317 |
|
317 | |||
318 | query methods |
|
318 | query methods | |
319 | queue_status, get_result, purge, result_status |
|
319 | queue_status, get_result, purge, result_status | |
320 |
|
320 | |||
321 | control methods |
|
321 | control methods | |
322 | abort, shutdown |
|
322 | abort, shutdown | |
323 |
|
323 | |||
324 | """ |
|
324 | """ | |
325 |
|
325 | |||
326 |
|
326 | |||
327 | block = Bool(False) |
|
327 | block = Bool(False) | |
328 | outstanding = Set() |
|
328 | outstanding = Set() | |
329 | results = Instance('collections.defaultdict', (dict,)) |
|
329 | results = Instance('collections.defaultdict', (dict,)) | |
330 | metadata = Instance('collections.defaultdict', (Metadata,)) |
|
330 | metadata = Instance('collections.defaultdict', (Metadata,)) | |
331 | history = List() |
|
331 | history = List() | |
332 | debug = Bool(False) |
|
332 | debug = Bool(False) | |
333 | _spin_thread = Any() |
|
333 | _spin_thread = Any() | |
334 | _stop_spinning = Any() |
|
334 | _stop_spinning = Any() | |
335 |
|
335 | |||
336 | profile=Unicode() |
|
336 | profile=Unicode() | |
337 | def _profile_default(self): |
|
337 | def _profile_default(self): | |
338 | if BaseIPythonApplication.initialized(): |
|
338 | if BaseIPythonApplication.initialized(): | |
339 | # an IPython app *might* be running, try to get its profile |
|
339 | # an IPython app *might* be running, try to get its profile | |
340 | try: |
|
340 | try: | |
341 | return BaseIPythonApplication.instance().profile |
|
341 | return BaseIPythonApplication.instance().profile | |
342 | except (AttributeError, MultipleInstanceError): |
|
342 | except (AttributeError, MultipleInstanceError): | |
343 | # could be a *different* subclass of config.Application, |
|
343 | # could be a *different* subclass of config.Application, | |
344 | # which would raise one of these two errors. |
|
344 | # which would raise one of these two errors. | |
345 | return u'default' |
|
345 | return u'default' | |
346 | else: |
|
346 | else: | |
347 | return u'default' |
|
347 | return u'default' | |
348 |
|
348 | |||
349 |
|
349 | |||
350 | _outstanding_dict = Instance('collections.defaultdict', (set,)) |
|
350 | _outstanding_dict = Instance('collections.defaultdict', (set,)) | |
351 | _ids = List() |
|
351 | _ids = List() | |
352 | _connected=Bool(False) |
|
352 | _connected=Bool(False) | |
353 | _ssh=Bool(False) |
|
353 | _ssh=Bool(False) | |
354 | _context = Instance('zmq.Context') |
|
354 | _context = Instance('zmq.Context') | |
355 | _config = Dict() |
|
355 | _config = Dict() | |
356 | _engines=Instance(util.ReverseDict, (), {}) |
|
356 | _engines=Instance(util.ReverseDict, (), {}) | |
357 | # _hub_socket=Instance('zmq.Socket') |
|
357 | # _hub_socket=Instance('zmq.Socket') | |
358 | _query_socket=Instance('zmq.Socket') |
|
358 | _query_socket=Instance('zmq.Socket') | |
359 | _control_socket=Instance('zmq.Socket') |
|
359 | _control_socket=Instance('zmq.Socket') | |
360 | _iopub_socket=Instance('zmq.Socket') |
|
360 | _iopub_socket=Instance('zmq.Socket') | |
361 | _notification_socket=Instance('zmq.Socket') |
|
361 | _notification_socket=Instance('zmq.Socket') | |
362 | _mux_socket=Instance('zmq.Socket') |
|
362 | _mux_socket=Instance('zmq.Socket') | |
363 | _task_socket=Instance('zmq.Socket') |
|
363 | _task_socket=Instance('zmq.Socket') | |
364 | _task_scheme=Unicode() |
|
364 | _task_scheme=Unicode() | |
365 | _closed = False |
|
365 | _closed = False | |
366 | _ignored_control_replies=Integer(0) |
|
366 | _ignored_control_replies=Integer(0) | |
367 | _ignored_hub_replies=Integer(0) |
|
367 | _ignored_hub_replies=Integer(0) | |
368 |
|
368 | |||
369 | def __new__(self, *args, **kw): |
|
369 | def __new__(self, *args, **kw): | |
370 | # don't raise on positional args |
|
370 | # don't raise on positional args | |
371 | return HasTraits.__new__(self, **kw) |
|
371 | return HasTraits.__new__(self, **kw) | |
372 |
|
372 | |||
373 | def __init__(self, url_file=None, profile=None, profile_dir=None, ipython_dir=None, |
|
373 | def __init__(self, url_file=None, profile=None, profile_dir=None, ipython_dir=None, | |
374 | context=None, debug=False, |
|
374 | context=None, debug=False, | |
375 | sshserver=None, sshkey=None, password=None, paramiko=None, |
|
375 | sshserver=None, sshkey=None, password=None, paramiko=None, | |
376 | timeout=10, cluster_id=None, **extra_args |
|
376 | timeout=10, cluster_id=None, **extra_args | |
377 | ): |
|
377 | ): | |
378 | if profile: |
|
378 | if profile: | |
379 | super(Client, self).__init__(debug=debug, profile=profile) |
|
379 | super(Client, self).__init__(debug=debug, profile=profile) | |
380 | else: |
|
380 | else: | |
381 | super(Client, self).__init__(debug=debug) |
|
381 | super(Client, self).__init__(debug=debug) | |
382 | if context is None: |
|
382 | if context is None: | |
383 | context = zmq.Context.instance() |
|
383 | context = zmq.Context.instance() | |
384 | self._context = context |
|
384 | self._context = context | |
385 | self._stop_spinning = Event() |
|
385 | self._stop_spinning = Event() | |
386 |
|
386 | |||
387 | if 'url_or_file' in extra_args: |
|
387 | if 'url_or_file' in extra_args: | |
388 | url_file = extra_args['url_or_file'] |
|
388 | url_file = extra_args['url_or_file'] | |
389 | warnings.warn("url_or_file arg no longer supported, use url_file", DeprecationWarning) |
|
389 | warnings.warn("url_or_file arg no longer supported, use url_file", DeprecationWarning) | |
390 |
|
390 | |||
391 | if url_file and util.is_url(url_file): |
|
391 | if url_file and util.is_url(url_file): | |
392 | raise ValueError("single urls cannot be specified, url-files must be used.") |
|
392 | raise ValueError("single urls cannot be specified, url-files must be used.") | |
393 |
|
393 | |||
394 | self._setup_profile_dir(self.profile, profile_dir, ipython_dir) |
|
394 | self._setup_profile_dir(self.profile, profile_dir, ipython_dir) | |
395 |
|
395 | |||
396 | if self._cd is not None: |
|
396 | if self._cd is not None: | |
397 | if url_file is None: |
|
397 | if url_file is None: | |
398 | if not cluster_id: |
|
398 | if not cluster_id: | |
399 | client_json = 'ipcontroller-client.json' |
|
399 | client_json = 'ipcontroller-client.json' | |
400 | else: |
|
400 | else: | |
401 | client_json = 'ipcontroller-%s-client.json' % cluster_id |
|
401 | client_json = 'ipcontroller-%s-client.json' % cluster_id | |
402 | url_file = pjoin(self._cd.security_dir, client_json) |
|
402 | url_file = pjoin(self._cd.security_dir, client_json) | |
403 | if url_file is None: |
|
403 | if url_file is None: | |
404 | raise ValueError( |
|
404 | raise ValueError( | |
405 | "I can't find enough information to connect to a hub!" |
|
405 | "I can't find enough information to connect to a hub!" | |
406 | " Please specify at least one of url_file or profile." |
|
406 | " Please specify at least one of url_file or profile." | |
407 | ) |
|
407 | ) | |
408 |
|
408 | |||
409 | with open(url_file) as f: |
|
409 | with open(url_file) as f: | |
410 | cfg = json.load(f) |
|
410 | cfg = json.load(f) | |
411 |
|
411 | |||
412 | self._task_scheme = cfg['task_scheme'] |
|
412 | self._task_scheme = cfg['task_scheme'] | |
413 |
|
413 | |||
414 | # sync defaults from args, json: |
|
414 | # sync defaults from args, json: | |
415 | if sshserver: |
|
415 | if sshserver: | |
416 | cfg['ssh'] = sshserver |
|
416 | cfg['ssh'] = sshserver | |
417 |
|
417 | |||
418 | location = cfg.setdefault('location', None) |
|
418 | location = cfg.setdefault('location', None) | |
419 |
|
419 | |||
420 | proto,addr = cfg['interface'].split('://') |
|
420 | proto,addr = cfg['interface'].split('://') | |
421 | addr = util.disambiguate_ip_address(addr, location) |
|
421 | addr = util.disambiguate_ip_address(addr, location) | |
422 | cfg['interface'] = "%s://%s" % (proto, addr) |
|
422 | cfg['interface'] = "%s://%s" % (proto, addr) | |
423 |
|
423 | |||
424 | # turn interface,port into full urls: |
|
424 | # turn interface,port into full urls: | |
425 | for key in ('control', 'task', 'mux', 'iopub', 'notification', 'registration'): |
|
425 | for key in ('control', 'task', 'mux', 'iopub', 'notification', 'registration'): | |
426 | cfg[key] = cfg['interface'] + ':%i' % cfg[key] |
|
426 | cfg[key] = cfg['interface'] + ':%i' % cfg[key] | |
427 |
|
427 | |||
428 | url = cfg['registration'] |
|
428 | url = cfg['registration'] | |
429 |
|
429 | |||
430 | if location is not None and addr == LOCALHOST: |
|
430 | if location is not None and addr == LOCALHOST: | |
431 | # location specified, and connection is expected to be local |
|
431 | # location specified, and connection is expected to be local | |
432 | if location not in LOCAL_IPS and not sshserver: |
|
432 | if location not in LOCAL_IPS and not sshserver: | |
433 | # load ssh from JSON *only* if the controller is not on |
|
433 | # load ssh from JSON *only* if the controller is not on | |
434 | # this machine |
|
434 | # this machine | |
435 | sshserver=cfg['ssh'] |
|
435 | sshserver=cfg['ssh'] | |
436 | if location not in LOCAL_IPS and not sshserver: |
|
436 | if location not in LOCAL_IPS and not sshserver: | |
437 | # warn if no ssh specified, but SSH is probably needed |
|
437 | # warn if no ssh specified, but SSH is probably needed | |
438 | # This is only a warning, because the most likely cause |
|
438 | # This is only a warning, because the most likely cause | |
439 | # is a local Controller on a laptop whose IP is dynamic |
|
439 | # is a local Controller on a laptop whose IP is dynamic | |
440 | warnings.warn(""" |
|
440 | warnings.warn(""" | |
441 | Controller appears to be listening on localhost, but not on this machine. |
|
441 | Controller appears to be listening on localhost, but not on this machine. | |
442 | If this is true, you should specify Client(...,sshserver='you@%s') |
|
442 | If this is true, you should specify Client(...,sshserver='you@%s') | |
443 | or instruct your controller to listen on an external IP."""%location, |
|
443 | or instruct your controller to listen on an external IP."""%location, | |
444 | RuntimeWarning) |
|
444 | RuntimeWarning) | |
445 | elif not sshserver: |
|
445 | elif not sshserver: | |
446 | # otherwise sync with cfg |
|
446 | # otherwise sync with cfg | |
447 | sshserver = cfg['ssh'] |
|
447 | sshserver = cfg['ssh'] | |
448 |
|
448 | |||
449 | self._config = cfg |
|
449 | self._config = cfg | |
450 |
|
450 | |||
451 | self._ssh = bool(sshserver or sshkey or password) |
|
451 | self._ssh = bool(sshserver or sshkey or password) | |
452 | if self._ssh and sshserver is None: |
|
452 | if self._ssh and sshserver is None: | |
453 | # default to ssh via localhost |
|
453 | # default to ssh via localhost | |
454 | sshserver = addr |
|
454 | sshserver = addr | |
455 | if self._ssh and password is None: |
|
455 | if self._ssh and password is None: | |
456 | if tunnel.try_passwordless_ssh(sshserver, sshkey, paramiko): |
|
456 | if tunnel.try_passwordless_ssh(sshserver, sshkey, paramiko): | |
457 | password=False |
|
457 | password=False | |
458 | else: |
|
458 | else: | |
459 | password = getpass("SSH Password for %s: "%sshserver) |
|
459 | password = getpass("SSH Password for %s: "%sshserver) | |
460 | ssh_kwargs = dict(keyfile=sshkey, password=password, paramiko=paramiko) |
|
460 | ssh_kwargs = dict(keyfile=sshkey, password=password, paramiko=paramiko) | |
461 |
|
461 | |||
462 | # configure and construct the session |
|
462 | # configure and construct the session | |
463 | extra_args['packer'] = cfg['pack'] |
|
463 | extra_args['packer'] = cfg['pack'] | |
464 | extra_args['unpacker'] = cfg['unpack'] |
|
464 | extra_args['unpacker'] = cfg['unpack'] | |
465 | extra_args['key'] = cast_bytes(cfg['exec_key']) |
|
465 | extra_args['key'] = cast_bytes(cfg['exec_key']) | |
466 |
|
466 | |||
467 | self.session = Session(**extra_args) |
|
467 | self.session = Session(**extra_args) | |
468 |
|
468 | |||
469 | self._query_socket = self._context.socket(zmq.DEALER) |
|
469 | self._query_socket = self._context.socket(zmq.DEALER) | |
470 |
|
470 | |||
471 | if self._ssh: |
|
471 | if self._ssh: | |
472 | tunnel.tunnel_connection(self._query_socket, cfg['registration'], sshserver, **ssh_kwargs) |
|
472 | tunnel.tunnel_connection(self._query_socket, cfg['registration'], sshserver, **ssh_kwargs) | |
473 | else: |
|
473 | else: | |
474 | self._query_socket.connect(cfg['registration']) |
|
474 | self._query_socket.connect(cfg['registration']) | |
475 |
|
475 | |||
476 | self.session.debug = self.debug |
|
476 | self.session.debug = self.debug | |
477 |
|
477 | |||
478 | self._notification_handlers = {'registration_notification' : self._register_engine, |
|
478 | self._notification_handlers = {'registration_notification' : self._register_engine, | |
479 | 'unregistration_notification' : self._unregister_engine, |
|
479 | 'unregistration_notification' : self._unregister_engine, | |
480 | 'shutdown_notification' : lambda msg: self.close(), |
|
480 | 'shutdown_notification' : lambda msg: self.close(), | |
481 | } |
|
481 | } | |
482 | self._queue_handlers = {'execute_reply' : self._handle_execute_reply, |
|
482 | self._queue_handlers = {'execute_reply' : self._handle_execute_reply, | |
483 | 'apply_reply' : self._handle_apply_reply} |
|
483 | 'apply_reply' : self._handle_apply_reply} | |
484 | self._connect(sshserver, ssh_kwargs, timeout) |
|
484 | self._connect(sshserver, ssh_kwargs, timeout) | |
485 |
|
485 | |||
486 | # last step: setup magics, if we are in IPython: |
|
486 | # last step: setup magics, if we are in IPython: | |
487 |
|
487 | |||
488 | try: |
|
488 | try: | |
489 | ip = get_ipython() |
|
489 | ip = get_ipython() | |
490 | except NameError: |
|
490 | except NameError: | |
491 | return |
|
491 | return | |
492 | else: |
|
492 | else: | |
493 | if 'px' not in ip.magics_manager.magics: |
|
493 | if 'px' not in ip.magics_manager.magics: | |
494 | # in IPython but we are the first Client. |
|
494 | # in IPython but we are the first Client. | |
495 | # activate a default view for parallel magics. |
|
495 | # activate a default view for parallel magics. | |
496 | self.activate() |
|
496 | self.activate() | |
497 |
|
497 | |||
498 | def __del__(self): |
|
498 | def __del__(self): | |
499 | """cleanup sockets, but _not_ context.""" |
|
499 | """cleanup sockets, but _not_ context.""" | |
500 | self.close() |
|
500 | self.close() | |
501 |
|
501 | |||
502 | def _setup_profile_dir(self, profile, profile_dir, ipython_dir): |
|
502 | def _setup_profile_dir(self, profile, profile_dir, ipython_dir): | |
503 | if ipython_dir is None: |
|
503 | if ipython_dir is None: | |
504 | ipython_dir = get_ipython_dir() |
|
504 | ipython_dir = get_ipython_dir() | |
505 | if profile_dir is not None: |
|
505 | if profile_dir is not None: | |
506 | try: |
|
506 | try: | |
507 | self._cd = ProfileDir.find_profile_dir(profile_dir) |
|
507 | self._cd = ProfileDir.find_profile_dir(profile_dir) | |
508 | return |
|
508 | return | |
509 | except ProfileDirError: |
|
509 | except ProfileDirError: | |
510 | pass |
|
510 | pass | |
511 | elif profile is not None: |
|
511 | elif profile is not None: | |
512 | try: |
|
512 | try: | |
513 | self._cd = ProfileDir.find_profile_dir_by_name( |
|
513 | self._cd = ProfileDir.find_profile_dir_by_name( | |
514 | ipython_dir, profile) |
|
514 | ipython_dir, profile) | |
515 | return |
|
515 | return | |
516 | except ProfileDirError: |
|
516 | except ProfileDirError: | |
517 | pass |
|
517 | pass | |
518 | self._cd = None |
|
518 | self._cd = None | |
519 |
|
519 | |||
520 | def _update_engines(self, engines): |
|
520 | def _update_engines(self, engines): | |
521 | """Update our engines dict and _ids from a dict of the form: {id:uuid}.""" |
|
521 | """Update our engines dict and _ids from a dict of the form: {id:uuid}.""" | |
522 | for k,v in engines.iteritems(): |
|
522 | for k,v in engines.iteritems(): | |
523 | eid = int(k) |
|
523 | eid = int(k) | |
524 | if eid not in self._engines: |
|
524 | if eid not in self._engines: | |
525 | self._ids.append(eid) |
|
525 | self._ids.append(eid) | |
526 | self._engines[eid] = v |
|
526 | self._engines[eid] = v | |
527 | self._ids = sorted(self._ids) |
|
527 | self._ids = sorted(self._ids) | |
528 | if sorted(self._engines.keys()) != range(len(self._engines)) and \ |
|
528 | if sorted(self._engines.keys()) != range(len(self._engines)) and \ | |
529 | self._task_scheme == 'pure' and self._task_socket: |
|
529 | self._task_scheme == 'pure' and self._task_socket: | |
530 | self._stop_scheduling_tasks() |
|
530 | self._stop_scheduling_tasks() | |
531 |
|
531 | |||
532 | def _stop_scheduling_tasks(self): |
|
532 | def _stop_scheduling_tasks(self): | |
533 | """Stop scheduling tasks because an engine has been unregistered |
|
533 | """Stop scheduling tasks because an engine has been unregistered | |
534 | from a pure ZMQ scheduler. |
|
534 | from a pure ZMQ scheduler. | |
535 | """ |
|
535 | """ | |
536 | self._task_socket.close() |
|
536 | self._task_socket.close() | |
537 | self._task_socket = None |
|
537 | self._task_socket = None | |
538 | msg = "An engine has been unregistered, and we are using pure " +\ |
|
538 | msg = "An engine has been unregistered, and we are using pure " +\ | |
539 | "ZMQ task scheduling. Task farming will be disabled." |
|
539 | "ZMQ task scheduling. Task farming will be disabled." | |
540 | if self.outstanding: |
|
540 | if self.outstanding: | |
541 | msg += " If you were running tasks when this happened, " +\ |
|
541 | msg += " If you were running tasks when this happened, " +\ | |
542 | "some `outstanding` msg_ids may never resolve." |
|
542 | "some `outstanding` msg_ids may never resolve." | |
543 | warnings.warn(msg, RuntimeWarning) |
|
543 | warnings.warn(msg, RuntimeWarning) | |
544 |
|
544 | |||
545 | def _build_targets(self, targets): |
|
545 | def _build_targets(self, targets): | |
546 | """Turn valid target IDs or 'all' into two lists: |
|
546 | """Turn valid target IDs or 'all' into two lists: | |
547 | (int_ids, uuids). |
|
547 | (int_ids, uuids). | |
548 | """ |
|
548 | """ | |
549 | if not self._ids: |
|
549 | if not self._ids: | |
550 | # flush notification socket if no engines yet, just in case |
|
550 | # flush notification socket if no engines yet, just in case | |
551 | if not self.ids: |
|
551 | if not self.ids: | |
552 | raise error.NoEnginesRegistered("Can't build targets without any engines") |
|
552 | raise error.NoEnginesRegistered("Can't build targets without any engines") | |
553 |
|
553 | |||
554 | if targets is None: |
|
554 | if targets is None: | |
555 | targets = self._ids |
|
555 | targets = self._ids | |
556 | elif isinstance(targets, basestring): |
|
556 | elif isinstance(targets, basestring): | |
557 | if targets.lower() == 'all': |
|
557 | if targets.lower() == 'all': | |
558 | targets = self._ids |
|
558 | targets = self._ids | |
559 | else: |
|
559 | else: | |
560 | raise TypeError("%r not valid str target, must be 'all'"%(targets)) |
|
560 | raise TypeError("%r not valid str target, must be 'all'"%(targets)) | |
561 | elif isinstance(targets, int): |
|
561 | elif isinstance(targets, int): | |
562 | if targets < 0: |
|
562 | if targets < 0: | |
563 | targets = self.ids[targets] |
|
563 | targets = self.ids[targets] | |
564 | if targets not in self._ids: |
|
564 | if targets not in self._ids: | |
565 | raise IndexError("No such engine: %i"%targets) |
|
565 | raise IndexError("No such engine: %i"%targets) | |
566 | targets = [targets] |
|
566 | targets = [targets] | |
567 |
|
567 | |||
568 | if isinstance(targets, slice): |
|
568 | if isinstance(targets, slice): | |
569 | indices = range(len(self._ids))[targets] |
|
569 | indices = range(len(self._ids))[targets] | |
570 | ids = self.ids |
|
570 | ids = self.ids | |
571 | targets = [ ids[i] for i in indices ] |
|
571 | targets = [ ids[i] for i in indices ] | |
572 |
|
572 | |||
573 | if not isinstance(targets, (tuple, list, xrange)): |
|
573 | if not isinstance(targets, (tuple, list, xrange)): | |
574 | raise TypeError("targets by int/slice/collection of ints only, not %s"%(type(targets))) |
|
574 | raise TypeError("targets by int/slice/collection of ints only, not %s"%(type(targets))) | |
575 |
|
575 | |||
576 | return [cast_bytes(self._engines[t]) for t in targets], list(targets) |
|
576 | return [cast_bytes(self._engines[t]) for t in targets], list(targets) | |
577 |
|
577 | |||
578 | def _connect(self, sshserver, ssh_kwargs, timeout): |
|
578 | def _connect(self, sshserver, ssh_kwargs, timeout): | |
579 | """setup all our socket connections to the cluster. This is called from |
|
579 | """setup all our socket connections to the cluster. This is called from | |
580 | __init__.""" |
|
580 | __init__.""" | |
581 |
|
581 | |||
582 | # Maybe allow reconnecting? |
|
582 | # Maybe allow reconnecting? | |
583 | if self._connected: |
|
583 | if self._connected: | |
584 | return |
|
584 | return | |
585 | self._connected=True |
|
585 | self._connected=True | |
586 |
|
586 | |||
587 | def connect_socket(s, url): |
|
587 | def connect_socket(s, url): | |
588 | # url = util.disambiguate_url(url, self._config['location']) |
|
588 | # url = util.disambiguate_url(url, self._config['location']) | |
589 | if self._ssh: |
|
589 | if self._ssh: | |
590 | return tunnel.tunnel_connection(s, url, sshserver, **ssh_kwargs) |
|
590 | return tunnel.tunnel_connection(s, url, sshserver, **ssh_kwargs) | |
591 | else: |
|
591 | else: | |
592 | return s.connect(url) |
|
592 | return s.connect(url) | |
593 |
|
593 | |||
594 | self.session.send(self._query_socket, 'connection_request') |
|
594 | self.session.send(self._query_socket, 'connection_request') | |
595 | # use Poller because zmq.select has wrong units in pyzmq 2.1.7 |
|
595 | # use Poller because zmq.select has wrong units in pyzmq 2.1.7 | |
596 | poller = zmq.Poller() |
|
596 | poller = zmq.Poller() | |
597 | poller.register(self._query_socket, zmq.POLLIN) |
|
597 | poller.register(self._query_socket, zmq.POLLIN) | |
598 | # poll expects milliseconds, timeout is seconds |
|
598 | # poll expects milliseconds, timeout is seconds | |
599 | evts = poller.poll(timeout*1000) |
|
599 | evts = poller.poll(timeout*1000) | |
600 | if not evts: |
|
600 | if not evts: | |
601 | raise error.TimeoutError("Hub connection request timed out") |
|
601 | raise error.TimeoutError("Hub connection request timed out") | |
602 | idents,msg = self.session.recv(self._query_socket,mode=0) |
|
602 | idents,msg = self.session.recv(self._query_socket,mode=0) | |
603 | if self.debug: |
|
603 | if self.debug: | |
604 | pprint(msg) |
|
604 | pprint(msg) | |
605 | content = msg['content'] |
|
605 | content = msg['content'] | |
606 | # self._config['registration'] = dict(content) |
|
606 | # self._config['registration'] = dict(content) | |
607 | cfg = self._config |
|
607 | cfg = self._config | |
608 | if content['status'] == 'ok': |
|
608 | if content['status'] == 'ok': | |
609 | self._mux_socket = self._context.socket(zmq.DEALER) |
|
609 | self._mux_socket = self._context.socket(zmq.DEALER) | |
610 | connect_socket(self._mux_socket, cfg['mux']) |
|
610 | connect_socket(self._mux_socket, cfg['mux']) | |
611 |
|
611 | |||
612 | self._task_socket = self._context.socket(zmq.DEALER) |
|
612 | self._task_socket = self._context.socket(zmq.DEALER) | |
613 | connect_socket(self._task_socket, cfg['task']) |
|
613 | connect_socket(self._task_socket, cfg['task']) | |
614 |
|
614 | |||
615 | self._notification_socket = self._context.socket(zmq.SUB) |
|
615 | self._notification_socket = self._context.socket(zmq.SUB) | |
616 | self._notification_socket.setsockopt(zmq.SUBSCRIBE, b'') |
|
616 | self._notification_socket.setsockopt(zmq.SUBSCRIBE, b'') | |
617 | connect_socket(self._notification_socket, cfg['notification']) |
|
617 | connect_socket(self._notification_socket, cfg['notification']) | |
618 |
|
618 | |||
619 | self._control_socket = self._context.socket(zmq.DEALER) |
|
619 | self._control_socket = self._context.socket(zmq.DEALER) | |
620 | connect_socket(self._control_socket, cfg['control']) |
|
620 | connect_socket(self._control_socket, cfg['control']) | |
621 |
|
621 | |||
622 | self._iopub_socket = self._context.socket(zmq.SUB) |
|
622 | self._iopub_socket = self._context.socket(zmq.SUB) | |
623 | self._iopub_socket.setsockopt(zmq.SUBSCRIBE, b'') |
|
623 | self._iopub_socket.setsockopt(zmq.SUBSCRIBE, b'') | |
624 | connect_socket(self._iopub_socket, cfg['iopub']) |
|
624 | connect_socket(self._iopub_socket, cfg['iopub']) | |
625 |
|
625 | |||
626 | self._update_engines(dict(content['engines'])) |
|
626 | self._update_engines(dict(content['engines'])) | |
627 | else: |
|
627 | else: | |
628 | self._connected = False |
|
628 | self._connected = False | |
629 | raise Exception("Failed to connect!") |
|
629 | raise Exception("Failed to connect!") | |
630 |
|
630 | |||
631 | #-------------------------------------------------------------------------- |
|
631 | #-------------------------------------------------------------------------- | |
632 | # handlers and callbacks for incoming messages |
|
632 | # handlers and callbacks for incoming messages | |
633 | #-------------------------------------------------------------------------- |
|
633 | #-------------------------------------------------------------------------- | |
634 |
|
634 | |||
635 | def _unwrap_exception(self, content): |
|
635 | def _unwrap_exception(self, content): | |
636 | """unwrap exception, and remap engine_id to int.""" |
|
636 | """unwrap exception, and remap engine_id to int.""" | |
637 | e = error.unwrap_exception(content) |
|
637 | e = error.unwrap_exception(content) | |
638 | # print e.traceback |
|
638 | # print e.traceback | |
639 | if e.engine_info: |
|
639 | if e.engine_info: | |
640 | e_uuid = e.engine_info['engine_uuid'] |
|
640 | e_uuid = e.engine_info['engine_uuid'] | |
641 | eid = self._engines[e_uuid] |
|
641 | eid = self._engines[e_uuid] | |
642 | e.engine_info['engine_id'] = eid |
|
642 | e.engine_info['engine_id'] = eid | |
643 | return e |
|
643 | return e | |
644 |
|
644 | |||
645 | def _extract_metadata(self, msg): |
|
645 | def _extract_metadata(self, msg): | |
646 | header = msg['header'] |
|
646 | header = msg['header'] | |
647 | parent = msg['parent_header'] |
|
647 | parent = msg['parent_header'] | |
648 | msg_meta = msg['metadata'] |
|
648 | msg_meta = msg['metadata'] | |
649 | content = msg['content'] |
|
649 | content = msg['content'] | |
650 | md = {'msg_id' : parent['msg_id'], |
|
650 | md = {'msg_id' : parent['msg_id'], | |
651 | 'received' : datetime.now(), |
|
651 | 'received' : datetime.now(), | |
652 | 'engine_uuid' : msg_meta.get('engine', None), |
|
652 | 'engine_uuid' : msg_meta.get('engine', None), | |
653 | 'follow' : msg_meta.get('follow', []), |
|
653 | 'follow' : msg_meta.get('follow', []), | |
654 | 'after' : msg_meta.get('after', []), |
|
654 | 'after' : msg_meta.get('after', []), | |
655 | 'status' : content['status'], |
|
655 | 'status' : content['status'], | |
656 | } |
|
656 | } | |
657 |
|
657 | |||
658 | if md['engine_uuid'] is not None: |
|
658 | if md['engine_uuid'] is not None: | |
659 | md['engine_id'] = self._engines.get(md['engine_uuid'], None) |
|
659 | md['engine_id'] = self._engines.get(md['engine_uuid'], None) | |
660 |
|
660 | |||
661 | if 'date' in parent: |
|
661 | if 'date' in parent: | |
662 | md['submitted'] = parent['date'] |
|
662 | md['submitted'] = parent['date'] | |
663 | if 'started' in msg_meta: |
|
663 | if 'started' in msg_meta: | |
664 | md['started'] = msg_meta['started'] |
|
664 | md['started'] = msg_meta['started'] | |
665 | if 'date' in header: |
|
665 | if 'date' in header: | |
666 | md['completed'] = header['date'] |
|
666 | md['completed'] = header['date'] | |
667 | return md |
|
667 | return md | |
668 |
|
668 | |||
669 | def _register_engine(self, msg): |
|
669 | def _register_engine(self, msg): | |
670 | """Register a new engine, and update our connection info.""" |
|
670 | """Register a new engine, and update our connection info.""" | |
671 | content = msg['content'] |
|
671 | content = msg['content'] | |
672 | eid = content['id'] |
|
672 | eid = content['id'] | |
673 | d = {eid : content['uuid']} |
|
673 | d = {eid : content['uuid']} | |
674 | self._update_engines(d) |
|
674 | self._update_engines(d) | |
675 |
|
675 | |||
676 | def _unregister_engine(self, msg): |
|
676 | def _unregister_engine(self, msg): | |
677 | """Unregister an engine that has died.""" |
|
677 | """Unregister an engine that has died.""" | |
678 | content = msg['content'] |
|
678 | content = msg['content'] | |
679 | eid = int(content['id']) |
|
679 | eid = int(content['id']) | |
680 | if eid in self._ids: |
|
680 | if eid in self._ids: | |
681 | self._ids.remove(eid) |
|
681 | self._ids.remove(eid) | |
682 | uuid = self._engines.pop(eid) |
|
682 | uuid = self._engines.pop(eid) | |
683 |
|
683 | |||
684 | self._handle_stranded_msgs(eid, uuid) |
|
684 | self._handle_stranded_msgs(eid, uuid) | |
685 |
|
685 | |||
686 | if self._task_socket and self._task_scheme == 'pure': |
|
686 | if self._task_socket and self._task_scheme == 'pure': | |
687 | self._stop_scheduling_tasks() |
|
687 | self._stop_scheduling_tasks() | |
688 |
|
688 | |||
689 | def _handle_stranded_msgs(self, eid, uuid): |
|
689 | def _handle_stranded_msgs(self, eid, uuid): | |
690 | """Handle messages known to be on an engine when the engine unregisters. |
|
690 | """Handle messages known to be on an engine when the engine unregisters. | |
691 |
|
691 | |||
692 | It is possible that this will fire prematurely - that is, an engine will |
|
692 | It is possible that this will fire prematurely - that is, an engine will | |
693 | go down after completing a result, and the client will be notified |
|
693 | go down after completing a result, and the client will be notified | |
694 | of the unregistration and later receive the successful result. |
|
694 | of the unregistration and later receive the successful result. | |
695 | """ |
|
695 | """ | |
696 |
|
696 | |||
697 | outstanding = self._outstanding_dict[uuid] |
|
697 | outstanding = self._outstanding_dict[uuid] | |
698 |
|
698 | |||
699 | for msg_id in list(outstanding): |
|
699 | for msg_id in list(outstanding): | |
700 | if msg_id in self.results: |
|
700 | if msg_id in self.results: | |
701 | # we already |
|
701 | # we already | |
702 | continue |
|
702 | continue | |
703 | try: |
|
703 | try: | |
704 | raise error.EngineError("Engine %r died while running task %r"%(eid, msg_id)) |
|
704 | raise error.EngineError("Engine %r died while running task %r"%(eid, msg_id)) | |
705 | except: |
|
705 | except: | |
706 | content = error.wrap_exception() |
|
706 | content = error.wrap_exception() | |
707 | # build a fake message: |
|
707 | # build a fake message: | |
708 | msg = self.session.msg('apply_reply', content=content) |
|
708 | msg = self.session.msg('apply_reply', content=content) | |
709 | msg['parent_header']['msg_id'] = msg_id |
|
709 | msg['parent_header']['msg_id'] = msg_id | |
710 | msg['metadata']['engine'] = uuid |
|
710 | msg['metadata']['engine'] = uuid | |
711 | self._handle_apply_reply(msg) |
|
711 | self._handle_apply_reply(msg) | |
712 |
|
712 | |||
713 | def _handle_execute_reply(self, msg): |
|
713 | def _handle_execute_reply(self, msg): | |
714 | """Save the reply to an execute_request into our results. |
|
714 | """Save the reply to an execute_request into our results. | |
715 |
|
715 | |||
716 | execute messages are never actually used. apply is used instead. |
|
716 | execute messages are never actually used. apply is used instead. | |
717 | """ |
|
717 | """ | |
718 |
|
718 | |||
719 | parent = msg['parent_header'] |
|
719 | parent = msg['parent_header'] | |
720 | msg_id = parent['msg_id'] |
|
720 | msg_id = parent['msg_id'] | |
721 | if msg_id not in self.outstanding: |
|
721 | if msg_id not in self.outstanding: | |
722 | if msg_id in self.history: |
|
722 | if msg_id in self.history: | |
723 | print ("got stale result: %s"%msg_id) |
|
723 | print ("got stale result: %s"%msg_id) | |
724 | else: |
|
724 | else: | |
725 | print ("got unknown result: %s"%msg_id) |
|
725 | print ("got unknown result: %s"%msg_id) | |
726 | else: |
|
726 | else: | |
727 | self.outstanding.remove(msg_id) |
|
727 | self.outstanding.remove(msg_id) | |
728 |
|
728 | |||
729 | content = msg['content'] |
|
729 | content = msg['content'] | |
730 | header = msg['header'] |
|
730 | header = msg['header'] | |
731 |
|
731 | |||
732 | # construct metadata: |
|
732 | # construct metadata: | |
733 | md = self.metadata[msg_id] |
|
733 | md = self.metadata[msg_id] | |
734 | md.update(self._extract_metadata(msg)) |
|
734 | md.update(self._extract_metadata(msg)) | |
735 | # is this redundant? |
|
735 | # is this redundant? | |
736 | self.metadata[msg_id] = md |
|
736 | self.metadata[msg_id] = md | |
737 |
|
737 | |||
738 | e_outstanding = self._outstanding_dict[md['engine_uuid']] |
|
738 | e_outstanding = self._outstanding_dict[md['engine_uuid']] | |
739 | if msg_id in e_outstanding: |
|
739 | if msg_id in e_outstanding: | |
740 | e_outstanding.remove(msg_id) |
|
740 | e_outstanding.remove(msg_id) | |
741 |
|
741 | |||
742 | # construct result: |
|
742 | # construct result: | |
743 | if content['status'] == 'ok': |
|
743 | if content['status'] == 'ok': | |
744 | self.results[msg_id] = ExecuteReply(msg_id, content, md) |
|
744 | self.results[msg_id] = ExecuteReply(msg_id, content, md) | |
745 | elif content['status'] == 'aborted': |
|
745 | elif content['status'] == 'aborted': | |
746 | self.results[msg_id] = error.TaskAborted(msg_id) |
|
746 | self.results[msg_id] = error.TaskAborted(msg_id) | |
747 | elif content['status'] == 'resubmitted': |
|
747 | elif content['status'] == 'resubmitted': | |
748 | # TODO: handle resubmission |
|
748 | # TODO: handle resubmission | |
749 | pass |
|
749 | pass | |
750 | else: |
|
750 | else: | |
751 | self.results[msg_id] = self._unwrap_exception(content) |
|
751 | self.results[msg_id] = self._unwrap_exception(content) | |
752 |
|
752 | |||
753 | def _handle_apply_reply(self, msg): |
|
753 | def _handle_apply_reply(self, msg): | |
754 | """Save the reply to an apply_request into our results.""" |
|
754 | """Save the reply to an apply_request into our results.""" | |
755 | parent = msg['parent_header'] |
|
755 | parent = msg['parent_header'] | |
756 | msg_id = parent['msg_id'] |
|
756 | msg_id = parent['msg_id'] | |
757 | if msg_id not in self.outstanding: |
|
757 | if msg_id not in self.outstanding: | |
758 | if msg_id in self.history: |
|
758 | if msg_id in self.history: | |
759 | print ("got stale result: %s"%msg_id) |
|
759 | print ("got stale result: %s"%msg_id) | |
760 | print self.results[msg_id] |
|
760 | print self.results[msg_id] | |
761 | print msg |
|
761 | print msg | |
762 | else: |
|
762 | else: | |
763 | print ("got unknown result: %s"%msg_id) |
|
763 | print ("got unknown result: %s"%msg_id) | |
764 | else: |
|
764 | else: | |
765 | self.outstanding.remove(msg_id) |
|
765 | self.outstanding.remove(msg_id) | |
766 | content = msg['content'] |
|
766 | content = msg['content'] | |
767 | header = msg['header'] |
|
767 | header = msg['header'] | |
768 |
|
768 | |||
769 | # construct metadata: |
|
769 | # construct metadata: | |
770 | md = self.metadata[msg_id] |
|
770 | md = self.metadata[msg_id] | |
771 | md.update(self._extract_metadata(msg)) |
|
771 | md.update(self._extract_metadata(msg)) | |
772 | # is this redundant? |
|
772 | # is this redundant? | |
773 | self.metadata[msg_id] = md |
|
773 | self.metadata[msg_id] = md | |
774 |
|
774 | |||
775 | e_outstanding = self._outstanding_dict[md['engine_uuid']] |
|
775 | e_outstanding = self._outstanding_dict[md['engine_uuid']] | |
776 | if msg_id in e_outstanding: |
|
776 | if msg_id in e_outstanding: | |
777 | e_outstanding.remove(msg_id) |
|
777 | e_outstanding.remove(msg_id) | |
778 |
|
778 | |||
779 | # construct result: |
|
779 | # construct result: | |
780 | if content['status'] == 'ok': |
|
780 | if content['status'] == 'ok': | |
781 | self.results[msg_id] = serialize.unserialize_object(msg['buffers'])[0] |
|
781 | self.results[msg_id] = serialize.unserialize_object(msg['buffers'])[0] | |
782 | elif content['status'] == 'aborted': |
|
782 | elif content['status'] == 'aborted': | |
783 | self.results[msg_id] = error.TaskAborted(msg_id) |
|
783 | self.results[msg_id] = error.TaskAborted(msg_id) | |
784 | elif content['status'] == 'resubmitted': |
|
784 | elif content['status'] == 'resubmitted': | |
785 | # TODO: handle resubmission |
|
785 | # TODO: handle resubmission | |
786 | pass |
|
786 | pass | |
787 | else: |
|
787 | else: | |
788 | self.results[msg_id] = self._unwrap_exception(content) |
|
788 | self.results[msg_id] = self._unwrap_exception(content) | |
789 |
|
789 | |||
790 | def _flush_notifications(self): |
|
790 | def _flush_notifications(self): | |
791 | """Flush notifications of engine registrations waiting |
|
791 | """Flush notifications of engine registrations waiting | |
792 | in ZMQ queue.""" |
|
792 | in ZMQ queue.""" | |
793 | idents,msg = self.session.recv(self._notification_socket, mode=zmq.NOBLOCK) |
|
793 | idents,msg = self.session.recv(self._notification_socket, mode=zmq.NOBLOCK) | |
794 | while msg is not None: |
|
794 | while msg is not None: | |
795 | if self.debug: |
|
795 | if self.debug: | |
796 | pprint(msg) |
|
796 | pprint(msg) | |
797 | msg_type = msg['header']['msg_type'] |
|
797 | msg_type = msg['header']['msg_type'] | |
798 | handler = self._notification_handlers.get(msg_type, None) |
|
798 | handler = self._notification_handlers.get(msg_type, None) | |
799 | if handler is None: |
|
799 | if handler is None: | |
800 | raise Exception("Unhandled message type: %s" % msg_type) |
|
800 | raise Exception("Unhandled message type: %s" % msg_type) | |
801 | else: |
|
801 | else: | |
802 | handler(msg) |
|
802 | handler(msg) | |
803 | idents,msg = self.session.recv(self._notification_socket, mode=zmq.NOBLOCK) |
|
803 | idents,msg = self.session.recv(self._notification_socket, mode=zmq.NOBLOCK) | |
804 |
|
804 | |||
805 | def _flush_results(self, sock): |
|
805 | def _flush_results(self, sock): | |
806 | """Flush task or queue results waiting in ZMQ queue.""" |
|
806 | """Flush task or queue results waiting in ZMQ queue.""" | |
807 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) |
|
807 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) | |
808 | while msg is not None: |
|
808 | while msg is not None: | |
809 | if self.debug: |
|
809 | if self.debug: | |
810 | pprint(msg) |
|
810 | pprint(msg) | |
811 | msg_type = msg['header']['msg_type'] |
|
811 | msg_type = msg['header']['msg_type'] | |
812 | handler = self._queue_handlers.get(msg_type, None) |
|
812 | handler = self._queue_handlers.get(msg_type, None) | |
813 | if handler is None: |
|
813 | if handler is None: | |
814 | raise Exception("Unhandled message type: %s" % msg_type) |
|
814 | raise Exception("Unhandled message type: %s" % msg_type) | |
815 | else: |
|
815 | else: | |
816 | handler(msg) |
|
816 | handler(msg) | |
817 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) |
|
817 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) | |
818 |
|
818 | |||
819 | def _flush_control(self, sock): |
|
819 | def _flush_control(self, sock): | |
820 | """Flush replies from the control channel waiting |
|
820 | """Flush replies from the control channel waiting | |
821 | in the ZMQ queue. |
|
821 | in the ZMQ queue. | |
822 |
|
822 | |||
823 | Currently: ignore them.""" |
|
823 | Currently: ignore them.""" | |
824 | if self._ignored_control_replies <= 0: |
|
824 | if self._ignored_control_replies <= 0: | |
825 | return |
|
825 | return | |
826 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) |
|
826 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) | |
827 | while msg is not None: |
|
827 | while msg is not None: | |
828 | self._ignored_control_replies -= 1 |
|
828 | self._ignored_control_replies -= 1 | |
829 | if self.debug: |
|
829 | if self.debug: | |
830 | pprint(msg) |
|
830 | pprint(msg) | |
831 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) |
|
831 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) | |
832 |
|
832 | |||
833 | def _flush_ignored_control(self): |
|
833 | def _flush_ignored_control(self): | |
834 | """flush ignored control replies""" |
|
834 | """flush ignored control replies""" | |
835 | while self._ignored_control_replies > 0: |
|
835 | while self._ignored_control_replies > 0: | |
836 | self.session.recv(self._control_socket) |
|
836 | self.session.recv(self._control_socket) | |
837 | self._ignored_control_replies -= 1 |
|
837 | self._ignored_control_replies -= 1 | |
838 |
|
838 | |||
839 | def _flush_ignored_hub_replies(self): |
|
839 | def _flush_ignored_hub_replies(self): | |
840 | ident,msg = self.session.recv(self._query_socket, mode=zmq.NOBLOCK) |
|
840 | ident,msg = self.session.recv(self._query_socket, mode=zmq.NOBLOCK) | |
841 | while msg is not None: |
|
841 | while msg is not None: | |
842 | ident,msg = self.session.recv(self._query_socket, mode=zmq.NOBLOCK) |
|
842 | ident,msg = self.session.recv(self._query_socket, mode=zmq.NOBLOCK) | |
843 |
|
843 | |||
844 | def _flush_iopub(self, sock): |
|
844 | def _flush_iopub(self, sock): | |
845 | """Flush replies from the iopub channel waiting |
|
845 | """Flush replies from the iopub channel waiting | |
846 | in the ZMQ queue. |
|
846 | in the ZMQ queue. | |
847 | """ |
|
847 | """ | |
848 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) |
|
848 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) | |
849 | while msg is not None: |
|
849 | while msg is not None: | |
850 | if self.debug: |
|
850 | if self.debug: | |
851 | pprint(msg) |
|
851 | pprint(msg) | |
852 | parent = msg['parent_header'] |
|
852 | parent = msg['parent_header'] | |
853 | # ignore IOPub messages with no parent. |
|
853 | # ignore IOPub messages with no parent. | |
854 | # Caused by print statements or warnings from before the first execution. |
|
854 | # Caused by print statements or warnings from before the first execution. | |
855 | if not parent: |
|
855 | if not parent: | |
856 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) |
|
856 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) | |
857 | continue |
|
857 | continue | |
858 | msg_id = parent['msg_id'] |
|
858 | msg_id = parent['msg_id'] | |
859 | content = msg['content'] |
|
859 | content = msg['content'] | |
860 | header = msg['header'] |
|
860 | header = msg['header'] | |
861 | msg_type = msg['header']['msg_type'] |
|
861 | msg_type = msg['header']['msg_type'] | |
862 |
|
862 | |||
863 | # init metadata: |
|
863 | # init metadata: | |
864 | md = self.metadata[msg_id] |
|
864 | md = self.metadata[msg_id] | |
865 |
|
865 | |||
866 | if msg_type == 'stream': |
|
866 | if msg_type == 'stream': | |
867 | name = content['name'] |
|
867 | name = content['name'] | |
868 | s = md[name] or '' |
|
868 | s = md[name] or '' | |
869 | md[name] = s + content['data'] |
|
869 | md[name] = s + content['data'] | |
870 | elif msg_type == 'pyerr': |
|
870 | elif msg_type == 'pyerr': | |
871 | md.update({'pyerr' : self._unwrap_exception(content)}) |
|
871 | md.update({'pyerr' : self._unwrap_exception(content)}) | |
872 | elif msg_type == 'pyin': |
|
872 | elif msg_type == 'pyin': | |
873 | md.update({'pyin' : content['code']}) |
|
873 | md.update({'pyin' : content['code']}) | |
874 | elif msg_type == 'display_data': |
|
874 | elif msg_type == 'display_data': | |
875 | md['outputs'].append(content) |
|
875 | md['outputs'].append(content) | |
876 | elif msg_type == 'pyout': |
|
876 | elif msg_type == 'pyout': | |
877 | md['pyout'] = content |
|
877 | md['pyout'] = content | |
878 | elif msg_type == 'data_message': |
|
878 | elif msg_type == 'data_message': | |
879 | data, remainder = serialize.unserialize_object(msg['buffers']) |
|
879 | data, remainder = serialize.unserialize_object(msg['buffers']) | |
880 | md['data'].update(data) |
|
880 | md['data'].update(data) | |
881 | elif msg_type == 'status': |
|
881 | elif msg_type == 'status': | |
882 | # idle message comes after all outputs |
|
882 | # idle message comes after all outputs | |
883 | if content['execution_state'] == 'idle': |
|
883 | if content['execution_state'] == 'idle': | |
884 | md['outputs_ready'] = True |
|
884 | md['outputs_ready'] = True | |
885 | else: |
|
885 | else: | |
886 | # unhandled msg_type (status, etc.) |
|
886 | # unhandled msg_type (status, etc.) | |
887 | pass |
|
887 | pass | |
888 |
|
888 | |||
889 | # reduntant? |
|
889 | # reduntant? | |
890 | self.metadata[msg_id] = md |
|
890 | self.metadata[msg_id] = md | |
891 |
|
891 | |||
892 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) |
|
892 | idents,msg = self.session.recv(sock, mode=zmq.NOBLOCK) | |
893 |
|
893 | |||
894 | #-------------------------------------------------------------------------- |
|
894 | #-------------------------------------------------------------------------- | |
895 | # len, getitem |
|
895 | # len, getitem | |
896 | #-------------------------------------------------------------------------- |
|
896 | #-------------------------------------------------------------------------- | |
897 |
|
897 | |||
898 | def __len__(self): |
|
898 | def __len__(self): | |
899 | """len(client) returns # of engines.""" |
|
899 | """len(client) returns # of engines.""" | |
900 | return len(self.ids) |
|
900 | return len(self.ids) | |
901 |
|
901 | |||
902 | def __getitem__(self, key): |
|
902 | def __getitem__(self, key): | |
903 | """index access returns DirectView multiplexer objects |
|
903 | """index access returns DirectView multiplexer objects | |
904 |
|
904 | |||
905 | Must be int, slice, or list/tuple/xrange of ints""" |
|
905 | Must be int, slice, or list/tuple/xrange of ints""" | |
906 | if not isinstance(key, (int, slice, tuple, list, xrange)): |
|
906 | if not isinstance(key, (int, slice, tuple, list, xrange)): | |
907 | raise TypeError("key by int/slice/iterable of ints only, not %s"%(type(key))) |
|
907 | raise TypeError("key by int/slice/iterable of ints only, not %s"%(type(key))) | |
908 | else: |
|
908 | else: | |
909 | return self.direct_view(key) |
|
909 | return self.direct_view(key) | |
910 |
|
910 | |||
911 | #-------------------------------------------------------------------------- |
|
911 | #-------------------------------------------------------------------------- | |
912 | # Begin public methods |
|
912 | # Begin public methods | |
913 | #-------------------------------------------------------------------------- |
|
913 | #-------------------------------------------------------------------------- | |
914 |
|
914 | |||
915 | @property |
|
915 | @property | |
916 | def ids(self): |
|
916 | def ids(self): | |
917 | """Always up-to-date ids property.""" |
|
917 | """Always up-to-date ids property.""" | |
918 | self._flush_notifications() |
|
918 | self._flush_notifications() | |
919 | # always copy: |
|
919 | # always copy: | |
920 | return list(self._ids) |
|
920 | return list(self._ids) | |
921 |
|
921 | |||
922 | def activate(self, targets='all', suffix=''): |
|
922 | def activate(self, targets='all', suffix=''): | |
923 | """Create a DirectView and register it with IPython magics |
|
923 | """Create a DirectView and register it with IPython magics | |
924 |
|
924 | |||
925 | Defines the magics `%px, %autopx, %pxresult, %%px` |
|
925 | Defines the magics `%px, %autopx, %pxresult, %%px` | |
926 |
|
926 | |||
927 | Parameters |
|
927 | Parameters | |
928 | ---------- |
|
928 | ---------- | |
929 |
|
929 | |||
930 | targets: int, list of ints, or 'all' |
|
930 | targets: int, list of ints, or 'all' | |
931 | The engines on which the view's magics will run |
|
931 | The engines on which the view's magics will run | |
932 | suffix: str [default: ''] |
|
932 | suffix: str [default: ''] | |
933 | The suffix, if any, for the magics. This allows you to have |
|
933 | The suffix, if any, for the magics. This allows you to have | |
934 | multiple views associated with parallel magics at the same time. |
|
934 | multiple views associated with parallel magics at the same time. | |
935 |
|
935 | |||
936 | e.g. ``rc.activate(targets=0, suffix='0')`` will give you |
|
936 | e.g. ``rc.activate(targets=0, suffix='0')`` will give you | |
937 | the magics ``%px0``, ``%pxresult0``, etc. for running magics just |
|
937 | the magics ``%px0``, ``%pxresult0``, etc. for running magics just | |
938 | on engine 0. |
|
938 | on engine 0. | |
939 | """ |
|
939 | """ | |
940 | view = self.direct_view(targets) |
|
940 | view = self.direct_view(targets) | |
941 | view.block = True |
|
941 | view.block = True | |
942 | view.activate(suffix) |
|
942 | view.activate(suffix) | |
943 | return view |
|
943 | return view | |
944 |
|
944 | |||
945 | def close(self): |
|
945 | def close(self): | |
946 | if self._closed: |
|
946 | if self._closed: | |
947 | return |
|
947 | return | |
948 | self.stop_spin_thread() |
|
948 | self.stop_spin_thread() | |
949 | snames = filter(lambda n: n.endswith('socket'), dir(self)) |
|
949 | snames = filter(lambda n: n.endswith('socket'), dir(self)) | |
950 | for socket in map(lambda name: getattr(self, name), snames): |
|
950 | for socket in map(lambda name: getattr(self, name), snames): | |
951 | if isinstance(socket, zmq.Socket) and not socket.closed: |
|
951 | if isinstance(socket, zmq.Socket) and not socket.closed: | |
952 | socket.close() |
|
952 | socket.close() | |
953 | self._closed = True |
|
953 | self._closed = True | |
954 |
|
954 | |||
955 | def _spin_every(self, interval=1): |
|
955 | def _spin_every(self, interval=1): | |
956 | """target func for use in spin_thread""" |
|
956 | """target func for use in spin_thread""" | |
957 | while True: |
|
957 | while True: | |
958 | if self._stop_spinning.is_set(): |
|
958 | if self._stop_spinning.is_set(): | |
959 | return |
|
959 | return | |
960 | time.sleep(interval) |
|
960 | time.sleep(interval) | |
961 | self.spin() |
|
961 | self.spin() | |
962 |
|
962 | |||
963 | def spin_thread(self, interval=1): |
|
963 | def spin_thread(self, interval=1): | |
964 | """call Client.spin() in a background thread on some regular interval |
|
964 | """call Client.spin() in a background thread on some regular interval | |
965 |
|
965 | |||
966 | This helps ensure that messages don't pile up too much in the zmq queue |
|
966 | This helps ensure that messages don't pile up too much in the zmq queue | |
967 | while you are working on other things, or just leaving an idle terminal. |
|
967 | while you are working on other things, or just leaving an idle terminal. | |
968 |
|
968 | |||
969 | It also helps limit potential padding of the `received` timestamp |
|
969 | It also helps limit potential padding of the `received` timestamp | |
970 | on AsyncResult objects, used for timings. |
|
970 | on AsyncResult objects, used for timings. | |
971 |
|
971 | |||
972 | Parameters |
|
972 | Parameters | |
973 | ---------- |
|
973 | ---------- | |
974 |
|
974 | |||
975 | interval : float, optional |
|
975 | interval : float, optional | |
976 | The interval on which to spin the client in the background thread |
|
976 | The interval on which to spin the client in the background thread | |
977 | (simply passed to time.sleep). |
|
977 | (simply passed to time.sleep). | |
978 |
|
978 | |||
979 | Notes |
|
979 | Notes | |
980 | ----- |
|
980 | ----- | |
981 |
|
981 | |||
982 | For precision timing, you may want to use this method to put a bound |
|
982 | For precision timing, you may want to use this method to put a bound | |
983 | on the jitter (in seconds) in `received` timestamps used |
|
983 | on the jitter (in seconds) in `received` timestamps used | |
984 | in AsyncResult.wall_time. |
|
984 | in AsyncResult.wall_time. | |
985 |
|
985 | |||
986 | """ |
|
986 | """ | |
987 | if self._spin_thread is not None: |
|
987 | if self._spin_thread is not None: | |
988 | self.stop_spin_thread() |
|
988 | self.stop_spin_thread() | |
989 | self._stop_spinning.clear() |
|
989 | self._stop_spinning.clear() | |
990 | self._spin_thread = Thread(target=self._spin_every, args=(interval,)) |
|
990 | self._spin_thread = Thread(target=self._spin_every, args=(interval,)) | |
991 | self._spin_thread.daemon = True |
|
991 | self._spin_thread.daemon = True | |
992 | self._spin_thread.start() |
|
992 | self._spin_thread.start() | |
993 |
|
993 | |||
994 | def stop_spin_thread(self): |
|
994 | def stop_spin_thread(self): | |
995 | """stop background spin_thread, if any""" |
|
995 | """stop background spin_thread, if any""" | |
996 | if self._spin_thread is not None: |
|
996 | if self._spin_thread is not None: | |
997 | self._stop_spinning.set() |
|
997 | self._stop_spinning.set() | |
998 | self._spin_thread.join() |
|
998 | self._spin_thread.join() | |
999 | self._spin_thread = None |
|
999 | self._spin_thread = None | |
1000 |
|
1000 | |||
1001 | def spin(self): |
|
1001 | def spin(self): | |
1002 | """Flush any registration notifications and execution results |
|
1002 | """Flush any registration notifications and execution results | |
1003 | waiting in the ZMQ queue. |
|
1003 | waiting in the ZMQ queue. | |
1004 | """ |
|
1004 | """ | |
1005 | if self._notification_socket: |
|
1005 | if self._notification_socket: | |
1006 | self._flush_notifications() |
|
1006 | self._flush_notifications() | |
1007 | if self._iopub_socket: |
|
1007 | if self._iopub_socket: | |
1008 | self._flush_iopub(self._iopub_socket) |
|
1008 | self._flush_iopub(self._iopub_socket) | |
1009 | if self._mux_socket: |
|
1009 | if self._mux_socket: | |
1010 | self._flush_results(self._mux_socket) |
|
1010 | self._flush_results(self._mux_socket) | |
1011 | if self._task_socket: |
|
1011 | if self._task_socket: | |
1012 | self._flush_results(self._task_socket) |
|
1012 | self._flush_results(self._task_socket) | |
1013 | if self._control_socket: |
|
1013 | if self._control_socket: | |
1014 | self._flush_control(self._control_socket) |
|
1014 | self._flush_control(self._control_socket) | |
1015 | if self._query_socket: |
|
1015 | if self._query_socket: | |
1016 | self._flush_ignored_hub_replies() |
|
1016 | self._flush_ignored_hub_replies() | |
1017 |
|
1017 | |||
1018 | def wait(self, jobs=None, timeout=-1): |
|
1018 | def wait(self, jobs=None, timeout=-1): | |
1019 | """waits on one or more `jobs`, for up to `timeout` seconds. |
|
1019 | """waits on one or more `jobs`, for up to `timeout` seconds. | |
1020 |
|
1020 | |||
1021 | Parameters |
|
1021 | Parameters | |
1022 | ---------- |
|
1022 | ---------- | |
1023 |
|
1023 | |||
1024 | jobs : int, str, or list of ints and/or strs, or one or more AsyncResult objects |
|
1024 | jobs : int, str, or list of ints and/or strs, or one or more AsyncResult objects | |
1025 | ints are indices to self.history |
|
1025 | ints are indices to self.history | |
1026 | strs are msg_ids |
|
1026 | strs are msg_ids | |
1027 | default: wait on all outstanding messages |
|
1027 | default: wait on all outstanding messages | |
1028 | timeout : float |
|
1028 | timeout : float | |
1029 | a time in seconds, after which to give up. |
|
1029 | a time in seconds, after which to give up. | |
1030 | default is -1, which means no timeout |
|
1030 | default is -1, which means no timeout | |
1031 |
|
1031 | |||
1032 | Returns |
|
1032 | Returns | |
1033 | ------- |
|
1033 | ------- | |
1034 |
|
1034 | |||
1035 | True : when all msg_ids are done |
|
1035 | True : when all msg_ids are done | |
1036 | False : timeout reached, some msg_ids still outstanding |
|
1036 | False : timeout reached, some msg_ids still outstanding | |
1037 | """ |
|
1037 | """ | |
1038 | tic = time.time() |
|
1038 | tic = time.time() | |
1039 | if jobs is None: |
|
1039 | if jobs is None: | |
1040 | theids = self.outstanding |
|
1040 | theids = self.outstanding | |
1041 | else: |
|
1041 | else: | |
1042 | if isinstance(jobs, (int, basestring, AsyncResult)): |
|
1042 | if isinstance(jobs, (int, basestring, AsyncResult)): | |
1043 | jobs = [jobs] |
|
1043 | jobs = [jobs] | |
1044 | theids = set() |
|
1044 | theids = set() | |
1045 | for job in jobs: |
|
1045 | for job in jobs: | |
1046 | if isinstance(job, int): |
|
1046 | if isinstance(job, int): | |
1047 | # index access |
|
1047 | # index access | |
1048 | job = self.history[job] |
|
1048 | job = self.history[job] | |
1049 | elif isinstance(job, AsyncResult): |
|
1049 | elif isinstance(job, AsyncResult): | |
1050 | map(theids.add, job.msg_ids) |
|
1050 | map(theids.add, job.msg_ids) | |
1051 | continue |
|
1051 | continue | |
1052 | theids.add(job) |
|
1052 | theids.add(job) | |
1053 | if not theids.intersection(self.outstanding): |
|
1053 | if not theids.intersection(self.outstanding): | |
1054 | return True |
|
1054 | return True | |
1055 | self.spin() |
|
1055 | self.spin() | |
1056 | while theids.intersection(self.outstanding): |
|
1056 | while theids.intersection(self.outstanding): | |
1057 | if timeout >= 0 and ( time.time()-tic ) > timeout: |
|
1057 | if timeout >= 0 and ( time.time()-tic ) > timeout: | |
1058 | break |
|
1058 | break | |
1059 | time.sleep(1e-3) |
|
1059 | time.sleep(1e-3) | |
1060 | self.spin() |
|
1060 | self.spin() | |
1061 | return len(theids.intersection(self.outstanding)) == 0 |
|
1061 | return len(theids.intersection(self.outstanding)) == 0 | |
1062 |
|
1062 | |||
1063 | #-------------------------------------------------------------------------- |
|
1063 | #-------------------------------------------------------------------------- | |
1064 | # Control methods |
|
1064 | # Control methods | |
1065 | #-------------------------------------------------------------------------- |
|
1065 | #-------------------------------------------------------------------------- | |
1066 |
|
1066 | |||
1067 | @spin_first |
|
1067 | @spin_first | |
1068 | def clear(self, targets=None, block=None): |
|
1068 | def clear(self, targets=None, block=None): | |
1069 | """Clear the namespace in target(s).""" |
|
1069 | """Clear the namespace in target(s).""" | |
1070 | block = self.block if block is None else block |
|
1070 | block = self.block if block is None else block | |
1071 | targets = self._build_targets(targets)[0] |
|
1071 | targets = self._build_targets(targets)[0] | |
1072 | for t in targets: |
|
1072 | for t in targets: | |
1073 | self.session.send(self._control_socket, 'clear_request', content={}, ident=t) |
|
1073 | self.session.send(self._control_socket, 'clear_request', content={}, ident=t) | |
1074 | error = False |
|
1074 | error = False | |
1075 | if block: |
|
1075 | if block: | |
1076 | self._flush_ignored_control() |
|
1076 | self._flush_ignored_control() | |
1077 | for i in range(len(targets)): |
|
1077 | for i in range(len(targets)): | |
1078 | idents,msg = self.session.recv(self._control_socket,0) |
|
1078 | idents,msg = self.session.recv(self._control_socket,0) | |
1079 | if self.debug: |
|
1079 | if self.debug: | |
1080 | pprint(msg) |
|
1080 | pprint(msg) | |
1081 | if msg['content']['status'] != 'ok': |
|
1081 | if msg['content']['status'] != 'ok': | |
1082 | error = self._unwrap_exception(msg['content']) |
|
1082 | error = self._unwrap_exception(msg['content']) | |
1083 | else: |
|
1083 | else: | |
1084 | self._ignored_control_replies += len(targets) |
|
1084 | self._ignored_control_replies += len(targets) | |
1085 | if error: |
|
1085 | if error: | |
1086 | raise error |
|
1086 | raise error | |
1087 |
|
1087 | |||
1088 |
|
1088 | |||
1089 | @spin_first |
|
1089 | @spin_first | |
1090 | def abort(self, jobs=None, targets=None, block=None): |
|
1090 | def abort(self, jobs=None, targets=None, block=None): | |
1091 | """Abort specific jobs from the execution queues of target(s). |
|
1091 | """Abort specific jobs from the execution queues of target(s). | |
1092 |
|
1092 | |||
1093 | This is a mechanism to prevent jobs that have already been submitted |
|
1093 | This is a mechanism to prevent jobs that have already been submitted | |
1094 | from executing. |
|
1094 | from executing. | |
1095 |
|
1095 | |||
1096 | Parameters |
|
1096 | Parameters | |
1097 | ---------- |
|
1097 | ---------- | |
1098 |
|
1098 | |||
1099 | jobs : msg_id, list of msg_ids, or AsyncResult |
|
1099 | jobs : msg_id, list of msg_ids, or AsyncResult | |
1100 | The jobs to be aborted |
|
1100 | The jobs to be aborted | |
1101 |
|
1101 | |||
1102 | If unspecified/None: abort all outstanding jobs. |
|
1102 | If unspecified/None: abort all outstanding jobs. | |
1103 |
|
1103 | |||
1104 | """ |
|
1104 | """ | |
1105 | block = self.block if block is None else block |
|
1105 | block = self.block if block is None else block | |
1106 | jobs = jobs if jobs is not None else list(self.outstanding) |
|
1106 | jobs = jobs if jobs is not None else list(self.outstanding) | |
1107 | targets = self._build_targets(targets)[0] |
|
1107 | targets = self._build_targets(targets)[0] | |
1108 |
|
1108 | |||
1109 | msg_ids = [] |
|
1109 | msg_ids = [] | |
1110 | if isinstance(jobs, (basestring,AsyncResult)): |
|
1110 | if isinstance(jobs, (basestring,AsyncResult)): | |
1111 | jobs = [jobs] |
|
1111 | jobs = [jobs] | |
1112 | bad_ids = filter(lambda obj: not isinstance(obj, (basestring, AsyncResult)), jobs) |
|
1112 | bad_ids = filter(lambda obj: not isinstance(obj, (basestring, AsyncResult)), jobs) | |
1113 | if bad_ids: |
|
1113 | if bad_ids: | |
1114 | raise TypeError("Invalid msg_id type %r, expected str or AsyncResult"%bad_ids[0]) |
|
1114 | raise TypeError("Invalid msg_id type %r, expected str or AsyncResult"%bad_ids[0]) | |
1115 | for j in jobs: |
|
1115 | for j in jobs: | |
1116 | if isinstance(j, AsyncResult): |
|
1116 | if isinstance(j, AsyncResult): | |
1117 | msg_ids.extend(j.msg_ids) |
|
1117 | msg_ids.extend(j.msg_ids) | |
1118 | else: |
|
1118 | else: | |
1119 | msg_ids.append(j) |
|
1119 | msg_ids.append(j) | |
1120 | content = dict(msg_ids=msg_ids) |
|
1120 | content = dict(msg_ids=msg_ids) | |
1121 | for t in targets: |
|
1121 | for t in targets: | |
1122 | self.session.send(self._control_socket, 'abort_request', |
|
1122 | self.session.send(self._control_socket, 'abort_request', | |
1123 | content=content, ident=t) |
|
1123 | content=content, ident=t) | |
1124 | error = False |
|
1124 | error = False | |
1125 | if block: |
|
1125 | if block: | |
1126 | self._flush_ignored_control() |
|
1126 | self._flush_ignored_control() | |
1127 | for i in range(len(targets)): |
|
1127 | for i in range(len(targets)): | |
1128 | idents,msg = self.session.recv(self._control_socket,0) |
|
1128 | idents,msg = self.session.recv(self._control_socket,0) | |
1129 | if self.debug: |
|
1129 | if self.debug: | |
1130 | pprint(msg) |
|
1130 | pprint(msg) | |
1131 | if msg['content']['status'] != 'ok': |
|
1131 | if msg['content']['status'] != 'ok': | |
1132 | error = self._unwrap_exception(msg['content']) |
|
1132 | error = self._unwrap_exception(msg['content']) | |
1133 | else: |
|
1133 | else: | |
1134 | self._ignored_control_replies += len(targets) |
|
1134 | self._ignored_control_replies += len(targets) | |
1135 | if error: |
|
1135 | if error: | |
1136 | raise error |
|
1136 | raise error | |
1137 |
|
1137 | |||
1138 | @spin_first |
|
1138 | @spin_first | |
1139 | def shutdown(self, targets='all', restart=False, hub=False, block=None): |
|
1139 | def shutdown(self, targets='all', restart=False, hub=False, block=None): | |
1140 | """Terminates one or more engine processes, optionally including the hub. |
|
1140 | """Terminates one or more engine processes, optionally including the hub. | |
1141 |
|
1141 | |||
1142 | Parameters |
|
1142 | Parameters | |
1143 | ---------- |
|
1143 | ---------- | |
1144 |
|
1144 | |||
1145 | targets: list of ints or 'all' [default: all] |
|
1145 | targets: list of ints or 'all' [default: all] | |
1146 | Which engines to shutdown. |
|
1146 | Which engines to shutdown. | |
1147 | hub: bool [default: False] |
|
1147 | hub: bool [default: False] | |
1148 | Whether to include the Hub. hub=True implies targets='all'. |
|
1148 | Whether to include the Hub. hub=True implies targets='all'. | |
1149 | block: bool [default: self.block] |
|
1149 | block: bool [default: self.block] | |
1150 | Whether to wait for clean shutdown replies or not. |
|
1150 | Whether to wait for clean shutdown replies or not. | |
1151 | restart: bool [default: False] |
|
1151 | restart: bool [default: False] | |
1152 | NOT IMPLEMENTED |
|
1152 | NOT IMPLEMENTED | |
1153 | whether to restart engines after shutting them down. |
|
1153 | whether to restart engines after shutting them down. | |
1154 | """ |
|
1154 | """ | |
1155 | from IPython.parallel.error import NoEnginesRegistered |
|
1155 | from IPython.parallel.error import NoEnginesRegistered | |
1156 | if restart: |
|
1156 | if restart: | |
1157 | raise NotImplementedError("Engine restart is not yet implemented") |
|
1157 | raise NotImplementedError("Engine restart is not yet implemented") | |
1158 |
|
1158 | |||
1159 | block = self.block if block is None else block |
|
1159 | block = self.block if block is None else block | |
1160 | if hub: |
|
1160 | if hub: | |
1161 | targets = 'all' |
|
1161 | targets = 'all' | |
1162 | try: |
|
1162 | try: | |
1163 | targets = self._build_targets(targets)[0] |
|
1163 | targets = self._build_targets(targets)[0] | |
1164 | except NoEnginesRegistered: |
|
1164 | except NoEnginesRegistered: | |
1165 | targets = [] |
|
1165 | targets = [] | |
1166 | for t in targets: |
|
1166 | for t in targets: | |
1167 | self.session.send(self._control_socket, 'shutdown_request', |
|
1167 | self.session.send(self._control_socket, 'shutdown_request', | |
1168 | content={'restart':restart},ident=t) |
|
1168 | content={'restart':restart},ident=t) | |
1169 | error = False |
|
1169 | error = False | |
1170 | if block or hub: |
|
1170 | if block or hub: | |
1171 | self._flush_ignored_control() |
|
1171 | self._flush_ignored_control() | |
1172 | for i in range(len(targets)): |
|
1172 | for i in range(len(targets)): | |
1173 | idents,msg = self.session.recv(self._control_socket, 0) |
|
1173 | idents,msg = self.session.recv(self._control_socket, 0) | |
1174 | if self.debug: |
|
1174 | if self.debug: | |
1175 | pprint(msg) |
|
1175 | pprint(msg) | |
1176 | if msg['content']['status'] != 'ok': |
|
1176 | if msg['content']['status'] != 'ok': | |
1177 | error = self._unwrap_exception(msg['content']) |
|
1177 | error = self._unwrap_exception(msg['content']) | |
1178 | else: |
|
1178 | else: | |
1179 | self._ignored_control_replies += len(targets) |
|
1179 | self._ignored_control_replies += len(targets) | |
1180 |
|
1180 | |||
1181 | if hub: |
|
1181 | if hub: | |
1182 | time.sleep(0.25) |
|
1182 | time.sleep(0.25) | |
1183 | self.session.send(self._query_socket, 'shutdown_request') |
|
1183 | self.session.send(self._query_socket, 'shutdown_request') | |
1184 | idents,msg = self.session.recv(self._query_socket, 0) |
|
1184 | idents,msg = self.session.recv(self._query_socket, 0) | |
1185 | if self.debug: |
|
1185 | if self.debug: | |
1186 | pprint(msg) |
|
1186 | pprint(msg) | |
1187 | if msg['content']['status'] != 'ok': |
|
1187 | if msg['content']['status'] != 'ok': | |
1188 | error = self._unwrap_exception(msg['content']) |
|
1188 | error = self._unwrap_exception(msg['content']) | |
1189 |
|
1189 | |||
1190 | if error: |
|
1190 | if error: | |
1191 | raise error |
|
1191 | raise error | |
1192 |
|
1192 | |||
1193 | #-------------------------------------------------------------------------- |
|
1193 | #-------------------------------------------------------------------------- | |
1194 | # Execution related methods |
|
1194 | # Execution related methods | |
1195 | #-------------------------------------------------------------------------- |
|
1195 | #-------------------------------------------------------------------------- | |
1196 |
|
1196 | |||
1197 | def _maybe_raise(self, result): |
|
1197 | def _maybe_raise(self, result): | |
1198 | """wrapper for maybe raising an exception if apply failed.""" |
|
1198 | """wrapper for maybe raising an exception if apply failed.""" | |
1199 | if isinstance(result, error.RemoteError): |
|
1199 | if isinstance(result, error.RemoteError): | |
1200 | raise result |
|
1200 | raise result | |
1201 |
|
1201 | |||
1202 | return result |
|
1202 | return result | |
1203 |
|
1203 | |||
1204 | def send_apply_request(self, socket, f, args=None, kwargs=None, metadata=None, track=False, |
|
1204 | def send_apply_request(self, socket, f, args=None, kwargs=None, metadata=None, track=False, | |
1205 | ident=None): |
|
1205 | ident=None): | |
1206 | """construct and send an apply message via a socket. |
|
1206 | """construct and send an apply message via a socket. | |
1207 |
|
1207 | |||
1208 | This is the principal method with which all engine execution is performed by views. |
|
1208 | This is the principal method with which all engine execution is performed by views. | |
1209 | """ |
|
1209 | """ | |
1210 |
|
1210 | |||
1211 | if self._closed: |
|
1211 | if self._closed: | |
1212 | raise RuntimeError("Client cannot be used after its sockets have been closed") |
|
1212 | raise RuntimeError("Client cannot be used after its sockets have been closed") | |
1213 |
|
1213 | |||
1214 | # defaults: |
|
1214 | # defaults: | |
1215 | args = args if args is not None else [] |
|
1215 | args = args if args is not None else [] | |
1216 | kwargs = kwargs if kwargs is not None else {} |
|
1216 | kwargs = kwargs if kwargs is not None else {} | |
1217 | metadata = metadata if metadata is not None else {} |
|
1217 | metadata = metadata if metadata is not None else {} | |
1218 |
|
1218 | |||
1219 | # validate arguments |
|
1219 | # validate arguments | |
1220 | if not callable(f) and not isinstance(f, Reference): |
|
1220 | if not callable(f) and not isinstance(f, Reference): | |
1221 | raise TypeError("f must be callable, not %s"%type(f)) |
|
1221 | raise TypeError("f must be callable, not %s"%type(f)) | |
1222 | if not isinstance(args, (tuple, list)): |
|
1222 | if not isinstance(args, (tuple, list)): | |
1223 | raise TypeError("args must be tuple or list, not %s"%type(args)) |
|
1223 | raise TypeError("args must be tuple or list, not %s"%type(args)) | |
1224 | if not isinstance(kwargs, dict): |
|
1224 | if not isinstance(kwargs, dict): | |
1225 | raise TypeError("kwargs must be dict, not %s"%type(kwargs)) |
|
1225 | raise TypeError("kwargs must be dict, not %s"%type(kwargs)) | |
1226 | if not isinstance(metadata, dict): |
|
1226 | if not isinstance(metadata, dict): | |
1227 | raise TypeError("metadata must be dict, not %s"%type(metadata)) |
|
1227 | raise TypeError("metadata must be dict, not %s"%type(metadata)) | |
1228 |
|
1228 | |||
1229 | bufs = serialize.pack_apply_message(f, args, kwargs, |
|
1229 | bufs = serialize.pack_apply_message(f, args, kwargs, | |
1230 | buffer_threshold=self.session.buffer_threshold, |
|
1230 | buffer_threshold=self.session.buffer_threshold, | |
1231 | item_threshold=self.session.item_threshold, |
|
1231 | item_threshold=self.session.item_threshold, | |
1232 | ) |
|
1232 | ) | |
1233 |
|
1233 | |||
1234 | msg = self.session.send(socket, "apply_request", buffers=bufs, ident=ident, |
|
1234 | msg = self.session.send(socket, "apply_request", buffers=bufs, ident=ident, | |
1235 | metadata=metadata, track=track) |
|
1235 | metadata=metadata, track=track) | |
1236 |
|
1236 | |||
1237 | msg_id = msg['header']['msg_id'] |
|
1237 | msg_id = msg['header']['msg_id'] | |
1238 | self.outstanding.add(msg_id) |
|
1238 | self.outstanding.add(msg_id) | |
1239 | if ident: |
|
1239 | if ident: | |
1240 | # possibly routed to a specific engine |
|
1240 | # possibly routed to a specific engine | |
1241 | if isinstance(ident, list): |
|
1241 | if isinstance(ident, list): | |
1242 | ident = ident[-1] |
|
1242 | ident = ident[-1] | |
1243 | if ident in self._engines.values(): |
|
1243 | if ident in self._engines.values(): | |
1244 | # save for later, in case of engine death |
|
1244 | # save for later, in case of engine death | |
1245 | self._outstanding_dict[ident].add(msg_id) |
|
1245 | self._outstanding_dict[ident].add(msg_id) | |
1246 | self.history.append(msg_id) |
|
1246 | self.history.append(msg_id) | |
1247 | self.metadata[msg_id]['submitted'] = datetime.now() |
|
1247 | self.metadata[msg_id]['submitted'] = datetime.now() | |
1248 |
|
1248 | |||
1249 | return msg |
|
1249 | return msg | |
1250 |
|
1250 | |||
1251 | def send_execute_request(self, socket, code, silent=True, metadata=None, ident=None): |
|
1251 | def send_execute_request(self, socket, code, silent=True, metadata=None, ident=None): | |
1252 | """construct and send an execute request via a socket. |
|
1252 | """construct and send an execute request via a socket. | |
1253 |
|
1253 | |||
1254 | """ |
|
1254 | """ | |
1255 |
|
1255 | |||
1256 | if self._closed: |
|
1256 | if self._closed: | |
1257 | raise RuntimeError("Client cannot be used after its sockets have been closed") |
|
1257 | raise RuntimeError("Client cannot be used after its sockets have been closed") | |
1258 |
|
1258 | |||
1259 | # defaults: |
|
1259 | # defaults: | |
1260 | metadata = metadata if metadata is not None else {} |
|
1260 | metadata = metadata if metadata is not None else {} | |
1261 |
|
1261 | |||
1262 | # validate arguments |
|
1262 | # validate arguments | |
1263 | if not isinstance(code, basestring): |
|
1263 | if not isinstance(code, basestring): | |
1264 | raise TypeError("code must be text, not %s" % type(code)) |
|
1264 | raise TypeError("code must be text, not %s" % type(code)) | |
1265 | if not isinstance(metadata, dict): |
|
1265 | if not isinstance(metadata, dict): | |
1266 | raise TypeError("metadata must be dict, not %s" % type(metadata)) |
|
1266 | raise TypeError("metadata must be dict, not %s" % type(metadata)) | |
1267 |
|
1267 | |||
1268 | content = dict(code=code, silent=bool(silent), user_variables=[], user_expressions={}) |
|
1268 | content = dict(code=code, silent=bool(silent), user_variables=[], user_expressions={}) | |
1269 |
|
1269 | |||
1270 |
|
1270 | |||
1271 | msg = self.session.send(socket, "execute_request", content=content, ident=ident, |
|
1271 | msg = self.session.send(socket, "execute_request", content=content, ident=ident, | |
1272 | metadata=metadata) |
|
1272 | metadata=metadata) | |
1273 |
|
1273 | |||
1274 | msg_id = msg['header']['msg_id'] |
|
1274 | msg_id = msg['header']['msg_id'] | |
1275 | self.outstanding.add(msg_id) |
|
1275 | self.outstanding.add(msg_id) | |
1276 | if ident: |
|
1276 | if ident: | |
1277 | # possibly routed to a specific engine |
|
1277 | # possibly routed to a specific engine | |
1278 | if isinstance(ident, list): |
|
1278 | if isinstance(ident, list): | |
1279 | ident = ident[-1] |
|
1279 | ident = ident[-1] | |
1280 | if ident in self._engines.values(): |
|
1280 | if ident in self._engines.values(): | |
1281 | # save for later, in case of engine death |
|
1281 | # save for later, in case of engine death | |
1282 | self._outstanding_dict[ident].add(msg_id) |
|
1282 | self._outstanding_dict[ident].add(msg_id) | |
1283 | self.history.append(msg_id) |
|
1283 | self.history.append(msg_id) | |
1284 | self.metadata[msg_id]['submitted'] = datetime.now() |
|
1284 | self.metadata[msg_id]['submitted'] = datetime.now() | |
1285 |
|
1285 | |||
1286 | return msg |
|
1286 | return msg | |
1287 |
|
1287 | |||
1288 | #-------------------------------------------------------------------------- |
|
1288 | #-------------------------------------------------------------------------- | |
1289 | # construct a View object |
|
1289 | # construct a View object | |
1290 | #-------------------------------------------------------------------------- |
|
1290 | #-------------------------------------------------------------------------- | |
1291 |
|
1291 | |||
1292 | def load_balanced_view(self, targets=None): |
|
1292 | def load_balanced_view(self, targets=None): | |
1293 | """construct a DirectView object. |
|
1293 | """construct a DirectView object. | |
1294 |
|
1294 | |||
1295 | If no arguments are specified, create a LoadBalancedView |
|
1295 | If no arguments are specified, create a LoadBalancedView | |
1296 | using all engines. |
|
1296 | using all engines. | |
1297 |
|
1297 | |||
1298 | Parameters |
|
1298 | Parameters | |
1299 | ---------- |
|
1299 | ---------- | |
1300 |
|
1300 | |||
1301 | targets: list,slice,int,etc. [default: use all engines] |
|
1301 | targets: list,slice,int,etc. [default: use all engines] | |
1302 | The subset of engines across which to load-balance |
|
1302 | The subset of engines across which to load-balance | |
1303 | """ |
|
1303 | """ | |
1304 | if targets == 'all': |
|
1304 | if targets == 'all': | |
1305 | targets = None |
|
1305 | targets = None | |
1306 | if targets is not None: |
|
1306 | if targets is not None: | |
1307 | targets = self._build_targets(targets)[1] |
|
1307 | targets = self._build_targets(targets)[1] | |
1308 | return LoadBalancedView(client=self, socket=self._task_socket, targets=targets) |
|
1308 | return LoadBalancedView(client=self, socket=self._task_socket, targets=targets) | |
1309 |
|
1309 | |||
1310 | def direct_view(self, targets='all'): |
|
1310 | def direct_view(self, targets='all'): | |
1311 | """construct a DirectView object. |
|
1311 | """construct a DirectView object. | |
1312 |
|
1312 | |||
1313 | If no targets are specified, create a DirectView using all engines. |
|
1313 | If no targets are specified, create a DirectView using all engines. | |
1314 |
|
1314 | |||
1315 | rc.direct_view('all') is distinguished from rc[:] in that 'all' will |
|
1315 | rc.direct_view('all') is distinguished from rc[:] in that 'all' will | |
1316 | evaluate the target engines at each execution, whereas rc[:] will connect to |
|
1316 | evaluate the target engines at each execution, whereas rc[:] will connect to | |
1317 | all *current* engines, and that list will not change. |
|
1317 | all *current* engines, and that list will not change. | |
1318 |
|
1318 | |||
1319 | That is, 'all' will always use all engines, whereas rc[:] will not use |
|
1319 | That is, 'all' will always use all engines, whereas rc[:] will not use | |
1320 | engines added after the DirectView is constructed. |
|
1320 | engines added after the DirectView is constructed. | |
1321 |
|
1321 | |||
1322 | Parameters |
|
1322 | Parameters | |
1323 | ---------- |
|
1323 | ---------- | |
1324 |
|
1324 | |||
1325 | targets: list,slice,int,etc. [default: use all engines] |
|
1325 | targets: list,slice,int,etc. [default: use all engines] | |
1326 | The engines to use for the View |
|
1326 | The engines to use for the View | |
1327 | """ |
|
1327 | """ | |
1328 | single = isinstance(targets, int) |
|
1328 | single = isinstance(targets, int) | |
1329 | # allow 'all' to be lazily evaluated at each execution |
|
1329 | # allow 'all' to be lazily evaluated at each execution | |
1330 | if targets != 'all': |
|
1330 | if targets != 'all': | |
1331 | targets = self._build_targets(targets)[1] |
|
1331 | targets = self._build_targets(targets)[1] | |
1332 | if single: |
|
1332 | if single: | |
1333 | targets = targets[0] |
|
1333 | targets = targets[0] | |
1334 | return DirectView(client=self, socket=self._mux_socket, targets=targets) |
|
1334 | return DirectView(client=self, socket=self._mux_socket, targets=targets) | |
1335 |
|
1335 | |||
1336 | #-------------------------------------------------------------------------- |
|
1336 | #-------------------------------------------------------------------------- | |
1337 | # Query methods |
|
1337 | # Query methods | |
1338 | #-------------------------------------------------------------------------- |
|
1338 | #-------------------------------------------------------------------------- | |
1339 |
|
1339 | |||
1340 | @spin_first |
|
1340 | @spin_first | |
1341 | def get_result(self, indices_or_msg_ids=None, block=None): |
|
1341 | def get_result(self, indices_or_msg_ids=None, block=None): | |
1342 | """Retrieve a result by msg_id or history index, wrapped in an AsyncResult object. |
|
1342 | """Retrieve a result by msg_id or history index, wrapped in an AsyncResult object. | |
1343 |
|
1343 | |||
1344 | If the client already has the results, no request to the Hub will be made. |
|
1344 | If the client already has the results, no request to the Hub will be made. | |
1345 |
|
1345 | |||
1346 | This is a convenient way to construct AsyncResult objects, which are wrappers |
|
1346 | This is a convenient way to construct AsyncResult objects, which are wrappers | |
1347 | that include metadata about execution, and allow for awaiting results that |
|
1347 | that include metadata about execution, and allow for awaiting results that | |
1348 | were not submitted by this Client. |
|
1348 | were not submitted by this Client. | |
1349 |
|
1349 | |||
1350 | It can also be a convenient way to retrieve the metadata associated with |
|
1350 | It can also be a convenient way to retrieve the metadata associated with | |
1351 | blocking execution, since it always retrieves |
|
1351 | blocking execution, since it always retrieves | |
1352 |
|
1352 | |||
1353 | Examples |
|
1353 | Examples | |
1354 | -------- |
|
1354 | -------- | |
1355 | :: |
|
1355 | :: | |
1356 |
|
1356 | |||
1357 | In [10]: r = client.apply() |
|
1357 | In [10]: r = client.apply() | |
1358 |
|
1358 | |||
1359 | Parameters |
|
1359 | Parameters | |
1360 | ---------- |
|
1360 | ---------- | |
1361 |
|
1361 | |||
1362 | indices_or_msg_ids : integer history index, str msg_id, or list of either |
|
1362 | indices_or_msg_ids : integer history index, str msg_id, or list of either | |
1363 | The indices or msg_ids of indices to be retrieved |
|
1363 | The indices or msg_ids of indices to be retrieved | |
1364 |
|
1364 | |||
1365 | block : bool |
|
1365 | block : bool | |
1366 | Whether to wait for the result to be done |
|
1366 | Whether to wait for the result to be done | |
1367 |
|
1367 | |||
1368 | Returns |
|
1368 | Returns | |
1369 | ------- |
|
1369 | ------- | |
1370 |
|
1370 | |||
1371 | AsyncResult |
|
1371 | AsyncResult | |
1372 | A single AsyncResult object will always be returned. |
|
1372 | A single AsyncResult object will always be returned. | |
1373 |
|
1373 | |||
1374 | AsyncHubResult |
|
1374 | AsyncHubResult | |
1375 | A subclass of AsyncResult that retrieves results from the Hub |
|
1375 | A subclass of AsyncResult that retrieves results from the Hub | |
1376 |
|
1376 | |||
1377 | """ |
|
1377 | """ | |
1378 | block = self.block if block is None else block |
|
1378 | block = self.block if block is None else block | |
1379 | if indices_or_msg_ids is None: |
|
1379 | if indices_or_msg_ids is None: | |
1380 | indices_or_msg_ids = -1 |
|
1380 | indices_or_msg_ids = -1 | |
1381 |
|
1381 | |||
|
1382 | single_result = False | |||
1382 | if not isinstance(indices_or_msg_ids, (list,tuple)): |
|
1383 | if not isinstance(indices_or_msg_ids, (list,tuple)): | |
1383 | indices_or_msg_ids = [indices_or_msg_ids] |
|
1384 | indices_or_msg_ids = [indices_or_msg_ids] | |
|
1385 | single_result = True | |||
1384 |
|
1386 | |||
1385 | theids = [] |
|
1387 | theids = [] | |
1386 | for id in indices_or_msg_ids: |
|
1388 | for id in indices_or_msg_ids: | |
1387 | if isinstance(id, int): |
|
1389 | if isinstance(id, int): | |
1388 | id = self.history[id] |
|
1390 | id = self.history[id] | |
1389 | if not isinstance(id, basestring): |
|
1391 | if not isinstance(id, basestring): | |
1390 | raise TypeError("indices must be str or int, not %r"%id) |
|
1392 | raise TypeError("indices must be str or int, not %r"%id) | |
1391 | theids.append(id) |
|
1393 | theids.append(id) | |
1392 |
|
1394 | |||
1393 | local_ids = filter(lambda msg_id: msg_id in self.outstanding or msg_id in self.results, theids) |
|
1395 | local_ids = filter(lambda msg_id: msg_id in self.outstanding or msg_id in self.results, theids) | |
1394 | remote_ids = filter(lambda msg_id: msg_id not in local_ids, theids) |
|
1396 | remote_ids = filter(lambda msg_id: msg_id not in local_ids, theids) | |
1395 |
|
1397 | |||
|
1398 | # given single msg_id initially, get_result shot get the result itself, | |||
|
1399 | # not a length-one list | |||
|
1400 | if single_result: | |||
|
1401 | theids = theids[0] | |||
|
1402 | ||||
1396 | if remote_ids: |
|
1403 | if remote_ids: | |
1397 | ar = AsyncHubResult(self, msg_ids=theids) |
|
1404 | ar = AsyncHubResult(self, msg_ids=theids) | |
1398 | else: |
|
1405 | else: | |
1399 | ar = AsyncResult(self, msg_ids=theids) |
|
1406 | ar = AsyncResult(self, msg_ids=theids) | |
1400 |
|
1407 | |||
1401 | if block: |
|
1408 | if block: | |
1402 | ar.wait() |
|
1409 | ar.wait() | |
1403 |
|
1410 | |||
1404 | return ar |
|
1411 | return ar | |
1405 |
|
1412 | |||
1406 | @spin_first |
|
1413 | @spin_first | |
1407 | def resubmit(self, indices_or_msg_ids=None, metadata=None, block=None): |
|
1414 | def resubmit(self, indices_or_msg_ids=None, metadata=None, block=None): | |
1408 | """Resubmit one or more tasks. |
|
1415 | """Resubmit one or more tasks. | |
1409 |
|
1416 | |||
1410 | in-flight tasks may not be resubmitted. |
|
1417 | in-flight tasks may not be resubmitted. | |
1411 |
|
1418 | |||
1412 | Parameters |
|
1419 | Parameters | |
1413 | ---------- |
|
1420 | ---------- | |
1414 |
|
1421 | |||
1415 | indices_or_msg_ids : integer history index, str msg_id, or list of either |
|
1422 | indices_or_msg_ids : integer history index, str msg_id, or list of either | |
1416 | The indices or msg_ids of indices to be retrieved |
|
1423 | The indices or msg_ids of indices to be retrieved | |
1417 |
|
1424 | |||
1418 | block : bool |
|
1425 | block : bool | |
1419 | Whether to wait for the result to be done |
|
1426 | Whether to wait for the result to be done | |
1420 |
|
1427 | |||
1421 | Returns |
|
1428 | Returns | |
1422 | ------- |
|
1429 | ------- | |
1423 |
|
1430 | |||
1424 | AsyncHubResult |
|
1431 | AsyncHubResult | |
1425 | A subclass of AsyncResult that retrieves results from the Hub |
|
1432 | A subclass of AsyncResult that retrieves results from the Hub | |
1426 |
|
1433 | |||
1427 | """ |
|
1434 | """ | |
1428 | block = self.block if block is None else block |
|
1435 | block = self.block if block is None else block | |
1429 | if indices_or_msg_ids is None: |
|
1436 | if indices_or_msg_ids is None: | |
1430 | indices_or_msg_ids = -1 |
|
1437 | indices_or_msg_ids = -1 | |
1431 |
|
1438 | |||
1432 | if not isinstance(indices_or_msg_ids, (list,tuple)): |
|
1439 | if not isinstance(indices_or_msg_ids, (list,tuple)): | |
1433 | indices_or_msg_ids = [indices_or_msg_ids] |
|
1440 | indices_or_msg_ids = [indices_or_msg_ids] | |
1434 |
|
1441 | |||
1435 | theids = [] |
|
1442 | theids = [] | |
1436 | for id in indices_or_msg_ids: |
|
1443 | for id in indices_or_msg_ids: | |
1437 | if isinstance(id, int): |
|
1444 | if isinstance(id, int): | |
1438 | id = self.history[id] |
|
1445 | id = self.history[id] | |
1439 | if not isinstance(id, basestring): |
|
1446 | if not isinstance(id, basestring): | |
1440 | raise TypeError("indices must be str or int, not %r"%id) |
|
1447 | raise TypeError("indices must be str or int, not %r"%id) | |
1441 | theids.append(id) |
|
1448 | theids.append(id) | |
1442 |
|
1449 | |||
1443 | content = dict(msg_ids = theids) |
|
1450 | content = dict(msg_ids = theids) | |
1444 |
|
1451 | |||
1445 | self.session.send(self._query_socket, 'resubmit_request', content) |
|
1452 | self.session.send(self._query_socket, 'resubmit_request', content) | |
1446 |
|
1453 | |||
1447 | zmq.select([self._query_socket], [], []) |
|
1454 | zmq.select([self._query_socket], [], []) | |
1448 | idents,msg = self.session.recv(self._query_socket, zmq.NOBLOCK) |
|
1455 | idents,msg = self.session.recv(self._query_socket, zmq.NOBLOCK) | |
1449 | if self.debug: |
|
1456 | if self.debug: | |
1450 | pprint(msg) |
|
1457 | pprint(msg) | |
1451 | content = msg['content'] |
|
1458 | content = msg['content'] | |
1452 | if content['status'] != 'ok': |
|
1459 | if content['status'] != 'ok': | |
1453 | raise self._unwrap_exception(content) |
|
1460 | raise self._unwrap_exception(content) | |
1454 | mapping = content['resubmitted'] |
|
1461 | mapping = content['resubmitted'] | |
1455 | new_ids = [ mapping[msg_id] for msg_id in theids ] |
|
1462 | new_ids = [ mapping[msg_id] for msg_id in theids ] | |
1456 |
|
1463 | |||
1457 | ar = AsyncHubResult(self, msg_ids=new_ids) |
|
1464 | ar = AsyncHubResult(self, msg_ids=new_ids) | |
1458 |
|
1465 | |||
1459 | if block: |
|
1466 | if block: | |
1460 | ar.wait() |
|
1467 | ar.wait() | |
1461 |
|
1468 | |||
1462 | return ar |
|
1469 | return ar | |
1463 |
|
1470 | |||
1464 | @spin_first |
|
1471 | @spin_first | |
1465 | def result_status(self, msg_ids, status_only=True): |
|
1472 | def result_status(self, msg_ids, status_only=True): | |
1466 | """Check on the status of the result(s) of the apply request with `msg_ids`. |
|
1473 | """Check on the status of the result(s) of the apply request with `msg_ids`. | |
1467 |
|
1474 | |||
1468 | If status_only is False, then the actual results will be retrieved, else |
|
1475 | If status_only is False, then the actual results will be retrieved, else | |
1469 | only the status of the results will be checked. |
|
1476 | only the status of the results will be checked. | |
1470 |
|
1477 | |||
1471 | Parameters |
|
1478 | Parameters | |
1472 | ---------- |
|
1479 | ---------- | |
1473 |
|
1480 | |||
1474 | msg_ids : list of msg_ids |
|
1481 | msg_ids : list of msg_ids | |
1475 | if int: |
|
1482 | if int: | |
1476 | Passed as index to self.history for convenience. |
|
1483 | Passed as index to self.history for convenience. | |
1477 | status_only : bool (default: True) |
|
1484 | status_only : bool (default: True) | |
1478 | if False: |
|
1485 | if False: | |
1479 | Retrieve the actual results of completed tasks. |
|
1486 | Retrieve the actual results of completed tasks. | |
1480 |
|
1487 | |||
1481 | Returns |
|
1488 | Returns | |
1482 | ------- |
|
1489 | ------- | |
1483 |
|
1490 | |||
1484 | results : dict |
|
1491 | results : dict | |
1485 | There will always be the keys 'pending' and 'completed', which will |
|
1492 | There will always be the keys 'pending' and 'completed', which will | |
1486 | be lists of msg_ids that are incomplete or complete. If `status_only` |
|
1493 | be lists of msg_ids that are incomplete or complete. If `status_only` | |
1487 | is False, then completed results will be keyed by their `msg_id`. |
|
1494 | is False, then completed results will be keyed by their `msg_id`. | |
1488 | """ |
|
1495 | """ | |
1489 | if not isinstance(msg_ids, (list,tuple)): |
|
1496 | if not isinstance(msg_ids, (list,tuple)): | |
1490 | msg_ids = [msg_ids] |
|
1497 | msg_ids = [msg_ids] | |
1491 |
|
1498 | |||
1492 | theids = [] |
|
1499 | theids = [] | |
1493 | for msg_id in msg_ids: |
|
1500 | for msg_id in msg_ids: | |
1494 | if isinstance(msg_id, int): |
|
1501 | if isinstance(msg_id, int): | |
1495 | msg_id = self.history[msg_id] |
|
1502 | msg_id = self.history[msg_id] | |
1496 | if not isinstance(msg_id, basestring): |
|
1503 | if not isinstance(msg_id, basestring): | |
1497 | raise TypeError("msg_ids must be str, not %r"%msg_id) |
|
1504 | raise TypeError("msg_ids must be str, not %r"%msg_id) | |
1498 | theids.append(msg_id) |
|
1505 | theids.append(msg_id) | |
1499 |
|
1506 | |||
1500 | completed = [] |
|
1507 | completed = [] | |
1501 | local_results = {} |
|
1508 | local_results = {} | |
1502 |
|
1509 | |||
1503 | # comment this block out to temporarily disable local shortcut: |
|
1510 | # comment this block out to temporarily disable local shortcut: | |
1504 | for msg_id in theids: |
|
1511 | for msg_id in theids: | |
1505 | if msg_id in self.results: |
|
1512 | if msg_id in self.results: | |
1506 | completed.append(msg_id) |
|
1513 | completed.append(msg_id) | |
1507 | local_results[msg_id] = self.results[msg_id] |
|
1514 | local_results[msg_id] = self.results[msg_id] | |
1508 | theids.remove(msg_id) |
|
1515 | theids.remove(msg_id) | |
1509 |
|
1516 | |||
1510 | if theids: # some not locally cached |
|
1517 | if theids: # some not locally cached | |
1511 | content = dict(msg_ids=theids, status_only=status_only) |
|
1518 | content = dict(msg_ids=theids, status_only=status_only) | |
1512 | msg = self.session.send(self._query_socket, "result_request", content=content) |
|
1519 | msg = self.session.send(self._query_socket, "result_request", content=content) | |
1513 | zmq.select([self._query_socket], [], []) |
|
1520 | zmq.select([self._query_socket], [], []) | |
1514 | idents,msg = self.session.recv(self._query_socket, zmq.NOBLOCK) |
|
1521 | idents,msg = self.session.recv(self._query_socket, zmq.NOBLOCK) | |
1515 | if self.debug: |
|
1522 | if self.debug: | |
1516 | pprint(msg) |
|
1523 | pprint(msg) | |
1517 | content = msg['content'] |
|
1524 | content = msg['content'] | |
1518 | if content['status'] != 'ok': |
|
1525 | if content['status'] != 'ok': | |
1519 | raise self._unwrap_exception(content) |
|
1526 | raise self._unwrap_exception(content) | |
1520 | buffers = msg['buffers'] |
|
1527 | buffers = msg['buffers'] | |
1521 | else: |
|
1528 | else: | |
1522 | content = dict(completed=[],pending=[]) |
|
1529 | content = dict(completed=[],pending=[]) | |
1523 |
|
1530 | |||
1524 | content['completed'].extend(completed) |
|
1531 | content['completed'].extend(completed) | |
1525 |
|
1532 | |||
1526 | if status_only: |
|
1533 | if status_only: | |
1527 | return content |
|
1534 | return content | |
1528 |
|
1535 | |||
1529 | failures = [] |
|
1536 | failures = [] | |
1530 | # load cached results into result: |
|
1537 | # load cached results into result: | |
1531 | content.update(local_results) |
|
1538 | content.update(local_results) | |
1532 |
|
1539 | |||
1533 | # update cache with results: |
|
1540 | # update cache with results: | |
1534 | for msg_id in sorted(theids): |
|
1541 | for msg_id in sorted(theids): | |
1535 | if msg_id in content['completed']: |
|
1542 | if msg_id in content['completed']: | |
1536 | rec = content[msg_id] |
|
1543 | rec = content[msg_id] | |
1537 | parent = rec['header'] |
|
1544 | parent = rec['header'] | |
1538 | header = rec['result_header'] |
|
1545 | header = rec['result_header'] | |
1539 | rcontent = rec['result_content'] |
|
1546 | rcontent = rec['result_content'] | |
1540 | iodict = rec['io'] |
|
1547 | iodict = rec['io'] | |
1541 | if isinstance(rcontent, str): |
|
1548 | if isinstance(rcontent, str): | |
1542 | rcontent = self.session.unpack(rcontent) |
|
1549 | rcontent = self.session.unpack(rcontent) | |
1543 |
|
1550 | |||
1544 | md = self.metadata[msg_id] |
|
1551 | md = self.metadata[msg_id] | |
1545 | md_msg = dict( |
|
1552 | md_msg = dict( | |
1546 | content=rcontent, |
|
1553 | content=rcontent, | |
1547 | parent_header=parent, |
|
1554 | parent_header=parent, | |
1548 | header=header, |
|
1555 | header=header, | |
1549 | metadata=rec['result_metadata'], |
|
1556 | metadata=rec['result_metadata'], | |
1550 | ) |
|
1557 | ) | |
1551 | md.update(self._extract_metadata(md_msg)) |
|
1558 | md.update(self._extract_metadata(md_msg)) | |
1552 | if rec.get('received'): |
|
1559 | if rec.get('received'): | |
1553 | md['received'] = rec['received'] |
|
1560 | md['received'] = rec['received'] | |
1554 | md.update(iodict) |
|
1561 | md.update(iodict) | |
1555 |
|
1562 | |||
1556 | if rcontent['status'] == 'ok': |
|
1563 | if rcontent['status'] == 'ok': | |
1557 | if header['msg_type'] == 'apply_reply': |
|
1564 | if header['msg_type'] == 'apply_reply': | |
1558 | res,buffers = serialize.unserialize_object(buffers) |
|
1565 | res,buffers = serialize.unserialize_object(buffers) | |
1559 | elif header['msg_type'] == 'execute_reply': |
|
1566 | elif header['msg_type'] == 'execute_reply': | |
1560 | res = ExecuteReply(msg_id, rcontent, md) |
|
1567 | res = ExecuteReply(msg_id, rcontent, md) | |
1561 | else: |
|
1568 | else: | |
1562 | raise KeyError("unhandled msg type: %r" % header['msg_type']) |
|
1569 | raise KeyError("unhandled msg type: %r" % header['msg_type']) | |
1563 | else: |
|
1570 | else: | |
1564 | res = self._unwrap_exception(rcontent) |
|
1571 | res = self._unwrap_exception(rcontent) | |
1565 | failures.append(res) |
|
1572 | failures.append(res) | |
1566 |
|
1573 | |||
1567 | self.results[msg_id] = res |
|
1574 | self.results[msg_id] = res | |
1568 | content[msg_id] = res |
|
1575 | content[msg_id] = res | |
1569 |
|
1576 | |||
1570 | if len(theids) == 1 and failures: |
|
1577 | if len(theids) == 1 and failures: | |
1571 | raise failures[0] |
|
1578 | raise failures[0] | |
1572 |
|
1579 | |||
1573 | error.collect_exceptions(failures, "result_status") |
|
1580 | error.collect_exceptions(failures, "result_status") | |
1574 | return content |
|
1581 | return content | |
1575 |
|
1582 | |||
1576 | @spin_first |
|
1583 | @spin_first | |
1577 | def queue_status(self, targets='all', verbose=False): |
|
1584 | def queue_status(self, targets='all', verbose=False): | |
1578 | """Fetch the status of engine queues. |
|
1585 | """Fetch the status of engine queues. | |
1579 |
|
1586 | |||
1580 | Parameters |
|
1587 | Parameters | |
1581 | ---------- |
|
1588 | ---------- | |
1582 |
|
1589 | |||
1583 | targets : int/str/list of ints/strs |
|
1590 | targets : int/str/list of ints/strs | |
1584 | the engines whose states are to be queried. |
|
1591 | the engines whose states are to be queried. | |
1585 | default : all |
|
1592 | default : all | |
1586 | verbose : bool |
|
1593 | verbose : bool | |
1587 | Whether to return lengths only, or lists of ids for each element |
|
1594 | Whether to return lengths only, or lists of ids for each element | |
1588 | """ |
|
1595 | """ | |
1589 | if targets == 'all': |
|
1596 | if targets == 'all': | |
1590 | # allow 'all' to be evaluated on the engine |
|
1597 | # allow 'all' to be evaluated on the engine | |
1591 | engine_ids = None |
|
1598 | engine_ids = None | |
1592 | else: |
|
1599 | else: | |
1593 | engine_ids = self._build_targets(targets)[1] |
|
1600 | engine_ids = self._build_targets(targets)[1] | |
1594 | content = dict(targets=engine_ids, verbose=verbose) |
|
1601 | content = dict(targets=engine_ids, verbose=verbose) | |
1595 | self.session.send(self._query_socket, "queue_request", content=content) |
|
1602 | self.session.send(self._query_socket, "queue_request", content=content) | |
1596 | idents,msg = self.session.recv(self._query_socket, 0) |
|
1603 | idents,msg = self.session.recv(self._query_socket, 0) | |
1597 | if self.debug: |
|
1604 | if self.debug: | |
1598 | pprint(msg) |
|
1605 | pprint(msg) | |
1599 | content = msg['content'] |
|
1606 | content = msg['content'] | |
1600 | status = content.pop('status') |
|
1607 | status = content.pop('status') | |
1601 | if status != 'ok': |
|
1608 | if status != 'ok': | |
1602 | raise self._unwrap_exception(content) |
|
1609 | raise self._unwrap_exception(content) | |
1603 | content = rekey(content) |
|
1610 | content = rekey(content) | |
1604 | if isinstance(targets, int): |
|
1611 | if isinstance(targets, int): | |
1605 | return content[targets] |
|
1612 | return content[targets] | |
1606 | else: |
|
1613 | else: | |
1607 | return content |
|
1614 | return content | |
1608 |
|
1615 | |||
1609 | def _build_msgids_from_target(self, targets=None): |
|
1616 | def _build_msgids_from_target(self, targets=None): | |
1610 | """Build a list of msg_ids from the list of engine targets""" |
|
1617 | """Build a list of msg_ids from the list of engine targets""" | |
1611 | if not targets: # needed as _build_targets otherwise uses all engines |
|
1618 | if not targets: # needed as _build_targets otherwise uses all engines | |
1612 | return [] |
|
1619 | return [] | |
1613 | target_ids = self._build_targets(targets)[0] |
|
1620 | target_ids = self._build_targets(targets)[0] | |
1614 | return filter(lambda md_id: self.metadata[md_id]["engine_uuid"] in target_ids, self.metadata) |
|
1621 | return filter(lambda md_id: self.metadata[md_id]["engine_uuid"] in target_ids, self.metadata) | |
1615 |
|
1622 | |||
1616 | def _build_msgids_from_jobs(self, jobs=None): |
|
1623 | def _build_msgids_from_jobs(self, jobs=None): | |
1617 | """Build a list of msg_ids from "jobs" """ |
|
1624 | """Build a list of msg_ids from "jobs" """ | |
1618 | if not jobs: |
|
1625 | if not jobs: | |
1619 | return [] |
|
1626 | return [] | |
1620 | msg_ids = [] |
|
1627 | msg_ids = [] | |
1621 | if isinstance(jobs, (basestring,AsyncResult)): |
|
1628 | if isinstance(jobs, (basestring,AsyncResult)): | |
1622 | jobs = [jobs] |
|
1629 | jobs = [jobs] | |
1623 | bad_ids = filter(lambda obj: not isinstance(obj, (basestring, AsyncResult)), jobs) |
|
1630 | bad_ids = filter(lambda obj: not isinstance(obj, (basestring, AsyncResult)), jobs) | |
1624 | if bad_ids: |
|
1631 | if bad_ids: | |
1625 | raise TypeError("Invalid msg_id type %r, expected str or AsyncResult"%bad_ids[0]) |
|
1632 | raise TypeError("Invalid msg_id type %r, expected str or AsyncResult"%bad_ids[0]) | |
1626 | for j in jobs: |
|
1633 | for j in jobs: | |
1627 | if isinstance(j, AsyncResult): |
|
1634 | if isinstance(j, AsyncResult): | |
1628 | msg_ids.extend(j.msg_ids) |
|
1635 | msg_ids.extend(j.msg_ids) | |
1629 | else: |
|
1636 | else: | |
1630 | msg_ids.append(j) |
|
1637 | msg_ids.append(j) | |
1631 | return msg_ids |
|
1638 | return msg_ids | |
1632 |
|
1639 | |||
1633 | def purge_local_results(self, jobs=[], targets=[]): |
|
1640 | def purge_local_results(self, jobs=[], targets=[]): | |
1634 | """Clears the client caches of results and frees such memory. |
|
1641 | """Clears the client caches of results and frees such memory. | |
1635 |
|
1642 | |||
1636 | Individual results can be purged by msg_id, or the entire |
|
1643 | Individual results can be purged by msg_id, or the entire | |
1637 | history of specific targets can be purged. |
|
1644 | history of specific targets can be purged. | |
1638 |
|
1645 | |||
1639 | Use `purge_local_results('all')` to scrub everything from the Clients's db. |
|
1646 | Use `purge_local_results('all')` to scrub everything from the Clients's db. | |
1640 |
|
1647 | |||
1641 | The client must have no outstanding tasks before purging the caches. |
|
1648 | The client must have no outstanding tasks before purging the caches. | |
1642 | Raises `AssertionError` if there are still outstanding tasks. |
|
1649 | Raises `AssertionError` if there are still outstanding tasks. | |
1643 |
|
1650 | |||
1644 | After this call all `AsyncResults` are invalid and should be discarded. |
|
1651 | After this call all `AsyncResults` are invalid and should be discarded. | |
1645 |
|
1652 | |||
1646 | If you must "reget" the results, you can still do so by using |
|
1653 | If you must "reget" the results, you can still do so by using | |
1647 | `client.get_result(msg_id)` or `client.get_result(asyncresult)`. This will |
|
1654 | `client.get_result(msg_id)` or `client.get_result(asyncresult)`. This will | |
1648 | redownload the results from the hub if they are still available |
|
1655 | redownload the results from the hub if they are still available | |
1649 | (i.e `client.purge_hub_results(...)` has not been called. |
|
1656 | (i.e `client.purge_hub_results(...)` has not been called. | |
1650 |
|
1657 | |||
1651 | Parameters |
|
1658 | Parameters | |
1652 | ---------- |
|
1659 | ---------- | |
1653 |
|
1660 | |||
1654 | jobs : str or list of str or AsyncResult objects |
|
1661 | jobs : str or list of str or AsyncResult objects | |
1655 | the msg_ids whose results should be purged. |
|
1662 | the msg_ids whose results should be purged. | |
1656 | targets : int/str/list of ints/strs |
|
1663 | targets : int/str/list of ints/strs | |
1657 | The targets, by int_id, whose entire results are to be purged. |
|
1664 | The targets, by int_id, whose entire results are to be purged. | |
1658 |
|
1665 | |||
1659 | default : None |
|
1666 | default : None | |
1660 | """ |
|
1667 | """ | |
1661 | assert not self.outstanding, "Can't purge a client with outstanding tasks!" |
|
1668 | assert not self.outstanding, "Can't purge a client with outstanding tasks!" | |
1662 |
|
1669 | |||
1663 | if not targets and not jobs: |
|
1670 | if not targets and not jobs: | |
1664 | raise ValueError("Must specify at least one of `targets` and `jobs`") |
|
1671 | raise ValueError("Must specify at least one of `targets` and `jobs`") | |
1665 |
|
1672 | |||
1666 | if jobs == 'all': |
|
1673 | if jobs == 'all': | |
1667 | self.results.clear() |
|
1674 | self.results.clear() | |
1668 | self.metadata.clear() |
|
1675 | self.metadata.clear() | |
1669 | return |
|
1676 | return | |
1670 | else: |
|
1677 | else: | |
1671 | msg_ids = [] |
|
1678 | msg_ids = [] | |
1672 | msg_ids.extend(self._build_msgids_from_target(targets)) |
|
1679 | msg_ids.extend(self._build_msgids_from_target(targets)) | |
1673 | msg_ids.extend(self._build_msgids_from_jobs(jobs)) |
|
1680 | msg_ids.extend(self._build_msgids_from_jobs(jobs)) | |
1674 | map(self.results.pop, msg_ids) |
|
1681 | map(self.results.pop, msg_ids) | |
1675 | map(self.metadata.pop, msg_ids) |
|
1682 | map(self.metadata.pop, msg_ids) | |
1676 |
|
1683 | |||
1677 |
|
1684 | |||
1678 | @spin_first |
|
1685 | @spin_first | |
1679 | def purge_hub_results(self, jobs=[], targets=[]): |
|
1686 | def purge_hub_results(self, jobs=[], targets=[]): | |
1680 | """Tell the Hub to forget results. |
|
1687 | """Tell the Hub to forget results. | |
1681 |
|
1688 | |||
1682 | Individual results can be purged by msg_id, or the entire |
|
1689 | Individual results can be purged by msg_id, or the entire | |
1683 | history of specific targets can be purged. |
|
1690 | history of specific targets can be purged. | |
1684 |
|
1691 | |||
1685 | Use `purge_results('all')` to scrub everything from the Hub's db. |
|
1692 | Use `purge_results('all')` to scrub everything from the Hub's db. | |
1686 |
|
1693 | |||
1687 | Parameters |
|
1694 | Parameters | |
1688 | ---------- |
|
1695 | ---------- | |
1689 |
|
1696 | |||
1690 | jobs : str or list of str or AsyncResult objects |
|
1697 | jobs : str or list of str or AsyncResult objects | |
1691 | the msg_ids whose results should be forgotten. |
|
1698 | the msg_ids whose results should be forgotten. | |
1692 | targets : int/str/list of ints/strs |
|
1699 | targets : int/str/list of ints/strs | |
1693 | The targets, by int_id, whose entire history is to be purged. |
|
1700 | The targets, by int_id, whose entire history is to be purged. | |
1694 |
|
1701 | |||
1695 | default : None |
|
1702 | default : None | |
1696 | """ |
|
1703 | """ | |
1697 | if not targets and not jobs: |
|
1704 | if not targets and not jobs: | |
1698 | raise ValueError("Must specify at least one of `targets` and `jobs`") |
|
1705 | raise ValueError("Must specify at least one of `targets` and `jobs`") | |
1699 | if targets: |
|
1706 | if targets: | |
1700 | targets = self._build_targets(targets)[1] |
|
1707 | targets = self._build_targets(targets)[1] | |
1701 |
|
1708 | |||
1702 | # construct msg_ids from jobs |
|
1709 | # construct msg_ids from jobs | |
1703 | if jobs == 'all': |
|
1710 | if jobs == 'all': | |
1704 | msg_ids = jobs |
|
1711 | msg_ids = jobs | |
1705 | else: |
|
1712 | else: | |
1706 | msg_ids = self._build_msgids_from_jobs(jobs) |
|
1713 | msg_ids = self._build_msgids_from_jobs(jobs) | |
1707 |
|
1714 | |||
1708 | content = dict(engine_ids=targets, msg_ids=msg_ids) |
|
1715 | content = dict(engine_ids=targets, msg_ids=msg_ids) | |
1709 | self.session.send(self._query_socket, "purge_request", content=content) |
|
1716 | self.session.send(self._query_socket, "purge_request", content=content) | |
1710 | idents, msg = self.session.recv(self._query_socket, 0) |
|
1717 | idents, msg = self.session.recv(self._query_socket, 0) | |
1711 | if self.debug: |
|
1718 | if self.debug: | |
1712 | pprint(msg) |
|
1719 | pprint(msg) | |
1713 | content = msg['content'] |
|
1720 | content = msg['content'] | |
1714 | if content['status'] != 'ok': |
|
1721 | if content['status'] != 'ok': | |
1715 | raise self._unwrap_exception(content) |
|
1722 | raise self._unwrap_exception(content) | |
1716 |
|
1723 | |||
1717 | def purge_results(self, jobs=[], targets=[]): |
|
1724 | def purge_results(self, jobs=[], targets=[]): | |
1718 | """Clears the cached results from both the hub and the local client |
|
1725 | """Clears the cached results from both the hub and the local client | |
1719 |
|
1726 | |||
1720 | Individual results can be purged by msg_id, or the entire |
|
1727 | Individual results can be purged by msg_id, or the entire | |
1721 | history of specific targets can be purged. |
|
1728 | history of specific targets can be purged. | |
1722 |
|
1729 | |||
1723 | Use `purge_results('all')` to scrub every cached result from both the Hub's and |
|
1730 | Use `purge_results('all')` to scrub every cached result from both the Hub's and | |
1724 | the Client's db. |
|
1731 | the Client's db. | |
1725 |
|
1732 | |||
1726 | Equivalent to calling both `purge_hub_results()` and `purge_client_results()` with |
|
1733 | Equivalent to calling both `purge_hub_results()` and `purge_client_results()` with | |
1727 | the same arguments. |
|
1734 | the same arguments. | |
1728 |
|
1735 | |||
1729 | Parameters |
|
1736 | Parameters | |
1730 | ---------- |
|
1737 | ---------- | |
1731 |
|
1738 | |||
1732 | jobs : str or list of str or AsyncResult objects |
|
1739 | jobs : str or list of str or AsyncResult objects | |
1733 | the msg_ids whose results should be forgotten. |
|
1740 | the msg_ids whose results should be forgotten. | |
1734 | targets : int/str/list of ints/strs |
|
1741 | targets : int/str/list of ints/strs | |
1735 | The targets, by int_id, whose entire history is to be purged. |
|
1742 | The targets, by int_id, whose entire history is to be purged. | |
1736 |
|
1743 | |||
1737 | default : None |
|
1744 | default : None | |
1738 | """ |
|
1745 | """ | |
1739 | self.purge_local_results(jobs=jobs, targets=targets) |
|
1746 | self.purge_local_results(jobs=jobs, targets=targets) | |
1740 | self.purge_hub_results(jobs=jobs, targets=targets) |
|
1747 | self.purge_hub_results(jobs=jobs, targets=targets) | |
1741 |
|
1748 | |||
1742 | def purge_everything(self): |
|
1749 | def purge_everything(self): | |
1743 | """Clears all content from previous Tasks from both the hub and the local client |
|
1750 | """Clears all content from previous Tasks from both the hub and the local client | |
1744 |
|
1751 | |||
1745 | In addition to calling `purge_results("all")` it also deletes the history and |
|
1752 | In addition to calling `purge_results("all")` it also deletes the history and | |
1746 | other bookkeeping lists. |
|
1753 | other bookkeeping lists. | |
1747 | """ |
|
1754 | """ | |
1748 | self.purge_results("all") |
|
1755 | self.purge_results("all") | |
1749 | self.history = [] |
|
1756 | self.history = [] | |
1750 | self.session.digest_history.clear() |
|
1757 | self.session.digest_history.clear() | |
1751 |
|
1758 | |||
1752 | @spin_first |
|
1759 | @spin_first | |
1753 | def hub_history(self): |
|
1760 | def hub_history(self): | |
1754 | """Get the Hub's history |
|
1761 | """Get the Hub's history | |
1755 |
|
1762 | |||
1756 | Just like the Client, the Hub has a history, which is a list of msg_ids. |
|
1763 | Just like the Client, the Hub has a history, which is a list of msg_ids. | |
1757 | This will contain the history of all clients, and, depending on configuration, |
|
1764 | This will contain the history of all clients, and, depending on configuration, | |
1758 | may contain history across multiple cluster sessions. |
|
1765 | may contain history across multiple cluster sessions. | |
1759 |
|
1766 | |||
1760 | Any msg_id returned here is a valid argument to `get_result`. |
|
1767 | Any msg_id returned here is a valid argument to `get_result`. | |
1761 |
|
1768 | |||
1762 | Returns |
|
1769 | Returns | |
1763 | ------- |
|
1770 | ------- | |
1764 |
|
1771 | |||
1765 | msg_ids : list of strs |
|
1772 | msg_ids : list of strs | |
1766 | list of all msg_ids, ordered by task submission time. |
|
1773 | list of all msg_ids, ordered by task submission time. | |
1767 | """ |
|
1774 | """ | |
1768 |
|
1775 | |||
1769 | self.session.send(self._query_socket, "history_request", content={}) |
|
1776 | self.session.send(self._query_socket, "history_request", content={}) | |
1770 | idents, msg = self.session.recv(self._query_socket, 0) |
|
1777 | idents, msg = self.session.recv(self._query_socket, 0) | |
1771 |
|
1778 | |||
1772 | if self.debug: |
|
1779 | if self.debug: | |
1773 | pprint(msg) |
|
1780 | pprint(msg) | |
1774 | content = msg['content'] |
|
1781 | content = msg['content'] | |
1775 | if content['status'] != 'ok': |
|
1782 | if content['status'] != 'ok': | |
1776 | raise self._unwrap_exception(content) |
|
1783 | raise self._unwrap_exception(content) | |
1777 | else: |
|
1784 | else: | |
1778 | return content['history'] |
|
1785 | return content['history'] | |
1779 |
|
1786 | |||
1780 | @spin_first |
|
1787 | @spin_first | |
1781 | def db_query(self, query, keys=None): |
|
1788 | def db_query(self, query, keys=None): | |
1782 | """Query the Hub's TaskRecord database |
|
1789 | """Query the Hub's TaskRecord database | |
1783 |
|
1790 | |||
1784 | This will return a list of task record dicts that match `query` |
|
1791 | This will return a list of task record dicts that match `query` | |
1785 |
|
1792 | |||
1786 | Parameters |
|
1793 | Parameters | |
1787 | ---------- |
|
1794 | ---------- | |
1788 |
|
1795 | |||
1789 | query : mongodb query dict |
|
1796 | query : mongodb query dict | |
1790 | The search dict. See mongodb query docs for details. |
|
1797 | The search dict. See mongodb query docs for details. | |
1791 | keys : list of strs [optional] |
|
1798 | keys : list of strs [optional] | |
1792 | The subset of keys to be returned. The default is to fetch everything but buffers. |
|
1799 | The subset of keys to be returned. The default is to fetch everything but buffers. | |
1793 | 'msg_id' will *always* be included. |
|
1800 | 'msg_id' will *always* be included. | |
1794 | """ |
|
1801 | """ | |
1795 | if isinstance(keys, basestring): |
|
1802 | if isinstance(keys, basestring): | |
1796 | keys = [keys] |
|
1803 | keys = [keys] | |
1797 | content = dict(query=query, keys=keys) |
|
1804 | content = dict(query=query, keys=keys) | |
1798 | self.session.send(self._query_socket, "db_request", content=content) |
|
1805 | self.session.send(self._query_socket, "db_request", content=content) | |
1799 | idents, msg = self.session.recv(self._query_socket, 0) |
|
1806 | idents, msg = self.session.recv(self._query_socket, 0) | |
1800 | if self.debug: |
|
1807 | if self.debug: | |
1801 | pprint(msg) |
|
1808 | pprint(msg) | |
1802 | content = msg['content'] |
|
1809 | content = msg['content'] | |
1803 | if content['status'] != 'ok': |
|
1810 | if content['status'] != 'ok': | |
1804 | raise self._unwrap_exception(content) |
|
1811 | raise self._unwrap_exception(content) | |
1805 |
|
1812 | |||
1806 | records = content['records'] |
|
1813 | records = content['records'] | |
1807 |
|
1814 | |||
1808 | buffer_lens = content['buffer_lens'] |
|
1815 | buffer_lens = content['buffer_lens'] | |
1809 | result_buffer_lens = content['result_buffer_lens'] |
|
1816 | result_buffer_lens = content['result_buffer_lens'] | |
1810 | buffers = msg['buffers'] |
|
1817 | buffers = msg['buffers'] | |
1811 | has_bufs = buffer_lens is not None |
|
1818 | has_bufs = buffer_lens is not None | |
1812 | has_rbufs = result_buffer_lens is not None |
|
1819 | has_rbufs = result_buffer_lens is not None | |
1813 | for i,rec in enumerate(records): |
|
1820 | for i,rec in enumerate(records): | |
1814 | # relink buffers |
|
1821 | # relink buffers | |
1815 | if has_bufs: |
|
1822 | if has_bufs: | |
1816 | blen = buffer_lens[i] |
|
1823 | blen = buffer_lens[i] | |
1817 | rec['buffers'], buffers = buffers[:blen],buffers[blen:] |
|
1824 | rec['buffers'], buffers = buffers[:blen],buffers[blen:] | |
1818 | if has_rbufs: |
|
1825 | if has_rbufs: | |
1819 | blen = result_buffer_lens[i] |
|
1826 | blen = result_buffer_lens[i] | |
1820 | rec['result_buffers'], buffers = buffers[:blen],buffers[blen:] |
|
1827 | rec['result_buffers'], buffers = buffers[:blen],buffers[blen:] | |
1821 |
|
1828 | |||
1822 | return records |
|
1829 | return records | |
1823 |
|
1830 | |||
1824 | __all__ = [ 'Client' ] |
|
1831 | __all__ = [ 'Client' ] |
@@ -1,517 +1,518 b'' | |||||
1 | """Tests for parallel client.py |
|
1 | """Tests for parallel client.py | |
2 |
|
2 | |||
3 | Authors: |
|
3 | Authors: | |
4 |
|
4 | |||
5 | * Min RK |
|
5 | * Min RK | |
6 | """ |
|
6 | """ | |
7 |
|
7 | |||
8 | #------------------------------------------------------------------------------- |
|
8 | #------------------------------------------------------------------------------- | |
9 | # Copyright (C) 2011 The IPython Development Team |
|
9 | # Copyright (C) 2011 The IPython Development Team | |
10 | # |
|
10 | # | |
11 | # Distributed under the terms of the BSD License. The full license is in |
|
11 | # Distributed under the terms of the BSD License. The full license is in | |
12 | # the file COPYING, distributed as part of this software. |
|
12 | # the file COPYING, distributed as part of this software. | |
13 | #------------------------------------------------------------------------------- |
|
13 | #------------------------------------------------------------------------------- | |
14 |
|
14 | |||
15 | #------------------------------------------------------------------------------- |
|
15 | #------------------------------------------------------------------------------- | |
16 | # Imports |
|
16 | # Imports | |
17 | #------------------------------------------------------------------------------- |
|
17 | #------------------------------------------------------------------------------- | |
18 |
|
18 | |||
19 | from __future__ import division |
|
19 | from __future__ import division | |
20 |
|
20 | |||
21 | import time |
|
21 | import time | |
22 | from datetime import datetime |
|
22 | from datetime import datetime | |
23 | from tempfile import mktemp |
|
23 | from tempfile import mktemp | |
24 |
|
24 | |||
25 | import zmq |
|
25 | import zmq | |
26 |
|
26 | |||
27 | from IPython import parallel |
|
27 | from IPython import parallel | |
28 | from IPython.parallel.client import client as clientmod |
|
28 | from IPython.parallel.client import client as clientmod | |
29 | from IPython.parallel import error |
|
29 | from IPython.parallel import error | |
30 | from IPython.parallel import AsyncResult, AsyncHubResult |
|
30 | from IPython.parallel import AsyncResult, AsyncHubResult | |
31 | from IPython.parallel import LoadBalancedView, DirectView |
|
31 | from IPython.parallel import LoadBalancedView, DirectView | |
32 |
|
32 | |||
33 | from clienttest import ClusterTestCase, segfault, wait, add_engines |
|
33 | from clienttest import ClusterTestCase, segfault, wait, add_engines | |
34 |
|
34 | |||
35 | def setup(): |
|
35 | def setup(): | |
36 | add_engines(4, total=True) |
|
36 | add_engines(4, total=True) | |
37 |
|
37 | |||
38 | class TestClient(ClusterTestCase): |
|
38 | class TestClient(ClusterTestCase): | |
39 |
|
39 | |||
40 | def test_ids(self): |
|
40 | def test_ids(self): | |
41 | n = len(self.client.ids) |
|
41 | n = len(self.client.ids) | |
42 | self.add_engines(2) |
|
42 | self.add_engines(2) | |
43 | self.assertEqual(len(self.client.ids), n+2) |
|
43 | self.assertEqual(len(self.client.ids), n+2) | |
44 |
|
44 | |||
45 | def test_view_indexing(self): |
|
45 | def test_view_indexing(self): | |
46 | """test index access for views""" |
|
46 | """test index access for views""" | |
47 | self.minimum_engines(4) |
|
47 | self.minimum_engines(4) | |
48 | targets = self.client._build_targets('all')[-1] |
|
48 | targets = self.client._build_targets('all')[-1] | |
49 | v = self.client[:] |
|
49 | v = self.client[:] | |
50 | self.assertEqual(v.targets, targets) |
|
50 | self.assertEqual(v.targets, targets) | |
51 | t = self.client.ids[2] |
|
51 | t = self.client.ids[2] | |
52 | v = self.client[t] |
|
52 | v = self.client[t] | |
53 | self.assertTrue(isinstance(v, DirectView)) |
|
53 | self.assertTrue(isinstance(v, DirectView)) | |
54 | self.assertEqual(v.targets, t) |
|
54 | self.assertEqual(v.targets, t) | |
55 | t = self.client.ids[2:4] |
|
55 | t = self.client.ids[2:4] | |
56 | v = self.client[t] |
|
56 | v = self.client[t] | |
57 | self.assertTrue(isinstance(v, DirectView)) |
|
57 | self.assertTrue(isinstance(v, DirectView)) | |
58 | self.assertEqual(v.targets, t) |
|
58 | self.assertEqual(v.targets, t) | |
59 | v = self.client[::2] |
|
59 | v = self.client[::2] | |
60 | self.assertTrue(isinstance(v, DirectView)) |
|
60 | self.assertTrue(isinstance(v, DirectView)) | |
61 | self.assertEqual(v.targets, targets[::2]) |
|
61 | self.assertEqual(v.targets, targets[::2]) | |
62 | v = self.client[1::3] |
|
62 | v = self.client[1::3] | |
63 | self.assertTrue(isinstance(v, DirectView)) |
|
63 | self.assertTrue(isinstance(v, DirectView)) | |
64 | self.assertEqual(v.targets, targets[1::3]) |
|
64 | self.assertEqual(v.targets, targets[1::3]) | |
65 | v = self.client[:-3] |
|
65 | v = self.client[:-3] | |
66 | self.assertTrue(isinstance(v, DirectView)) |
|
66 | self.assertTrue(isinstance(v, DirectView)) | |
67 | self.assertEqual(v.targets, targets[:-3]) |
|
67 | self.assertEqual(v.targets, targets[:-3]) | |
68 | v = self.client[-1] |
|
68 | v = self.client[-1] | |
69 | self.assertTrue(isinstance(v, DirectView)) |
|
69 | self.assertTrue(isinstance(v, DirectView)) | |
70 | self.assertEqual(v.targets, targets[-1]) |
|
70 | self.assertEqual(v.targets, targets[-1]) | |
71 | self.assertRaises(TypeError, lambda : self.client[None]) |
|
71 | self.assertRaises(TypeError, lambda : self.client[None]) | |
72 |
|
72 | |||
73 | def test_lbview_targets(self): |
|
73 | def test_lbview_targets(self): | |
74 | """test load_balanced_view targets""" |
|
74 | """test load_balanced_view targets""" | |
75 | v = self.client.load_balanced_view() |
|
75 | v = self.client.load_balanced_view() | |
76 | self.assertEqual(v.targets, None) |
|
76 | self.assertEqual(v.targets, None) | |
77 | v = self.client.load_balanced_view(-1) |
|
77 | v = self.client.load_balanced_view(-1) | |
78 | self.assertEqual(v.targets, [self.client.ids[-1]]) |
|
78 | self.assertEqual(v.targets, [self.client.ids[-1]]) | |
79 | v = self.client.load_balanced_view('all') |
|
79 | v = self.client.load_balanced_view('all') | |
80 | self.assertEqual(v.targets, None) |
|
80 | self.assertEqual(v.targets, None) | |
81 |
|
81 | |||
82 | def test_dview_targets(self): |
|
82 | def test_dview_targets(self): | |
83 | """test direct_view targets""" |
|
83 | """test direct_view targets""" | |
84 | v = self.client.direct_view() |
|
84 | v = self.client.direct_view() | |
85 | self.assertEqual(v.targets, 'all') |
|
85 | self.assertEqual(v.targets, 'all') | |
86 | v = self.client.direct_view('all') |
|
86 | v = self.client.direct_view('all') | |
87 | self.assertEqual(v.targets, 'all') |
|
87 | self.assertEqual(v.targets, 'all') | |
88 | v = self.client.direct_view(-1) |
|
88 | v = self.client.direct_view(-1) | |
89 | self.assertEqual(v.targets, self.client.ids[-1]) |
|
89 | self.assertEqual(v.targets, self.client.ids[-1]) | |
90 |
|
90 | |||
91 | def test_lazy_all_targets(self): |
|
91 | def test_lazy_all_targets(self): | |
92 | """test lazy evaluation of rc.direct_view('all')""" |
|
92 | """test lazy evaluation of rc.direct_view('all')""" | |
93 | v = self.client.direct_view() |
|
93 | v = self.client.direct_view() | |
94 | self.assertEqual(v.targets, 'all') |
|
94 | self.assertEqual(v.targets, 'all') | |
95 |
|
95 | |||
96 | def double(x): |
|
96 | def double(x): | |
97 | return x*2 |
|
97 | return x*2 | |
98 | seq = range(100) |
|
98 | seq = range(100) | |
99 | ref = [ double(x) for x in seq ] |
|
99 | ref = [ double(x) for x in seq ] | |
100 |
|
100 | |||
101 | # add some engines, which should be used |
|
101 | # add some engines, which should be used | |
102 | self.add_engines(1) |
|
102 | self.add_engines(1) | |
103 | n1 = len(self.client.ids) |
|
103 | n1 = len(self.client.ids) | |
104 |
|
104 | |||
105 | # simple apply |
|
105 | # simple apply | |
106 | r = v.apply_sync(lambda : 1) |
|
106 | r = v.apply_sync(lambda : 1) | |
107 | self.assertEqual(r, [1] * n1) |
|
107 | self.assertEqual(r, [1] * n1) | |
108 |
|
108 | |||
109 | # map goes through remotefunction |
|
109 | # map goes through remotefunction | |
110 | r = v.map_sync(double, seq) |
|
110 | r = v.map_sync(double, seq) | |
111 | self.assertEqual(r, ref) |
|
111 | self.assertEqual(r, ref) | |
112 |
|
112 | |||
113 | # add a couple more engines, and try again |
|
113 | # add a couple more engines, and try again | |
114 | self.add_engines(2) |
|
114 | self.add_engines(2) | |
115 | n2 = len(self.client.ids) |
|
115 | n2 = len(self.client.ids) | |
116 | self.assertNotEqual(n2, n1) |
|
116 | self.assertNotEqual(n2, n1) | |
117 |
|
117 | |||
118 | # apply |
|
118 | # apply | |
119 | r = v.apply_sync(lambda : 1) |
|
119 | r = v.apply_sync(lambda : 1) | |
120 | self.assertEqual(r, [1] * n2) |
|
120 | self.assertEqual(r, [1] * n2) | |
121 |
|
121 | |||
122 | # map |
|
122 | # map | |
123 | r = v.map_sync(double, seq) |
|
123 | r = v.map_sync(double, seq) | |
124 | self.assertEqual(r, ref) |
|
124 | self.assertEqual(r, ref) | |
125 |
|
125 | |||
126 | def test_targets(self): |
|
126 | def test_targets(self): | |
127 | """test various valid targets arguments""" |
|
127 | """test various valid targets arguments""" | |
128 | build = self.client._build_targets |
|
128 | build = self.client._build_targets | |
129 | ids = self.client.ids |
|
129 | ids = self.client.ids | |
130 | idents,targets = build(None) |
|
130 | idents,targets = build(None) | |
131 | self.assertEqual(ids, targets) |
|
131 | self.assertEqual(ids, targets) | |
132 |
|
132 | |||
133 | def test_clear(self): |
|
133 | def test_clear(self): | |
134 | """test clear behavior""" |
|
134 | """test clear behavior""" | |
135 | self.minimum_engines(2) |
|
135 | self.minimum_engines(2) | |
136 | v = self.client[:] |
|
136 | v = self.client[:] | |
137 | v.block=True |
|
137 | v.block=True | |
138 | v.push(dict(a=5)) |
|
138 | v.push(dict(a=5)) | |
139 | v.pull('a') |
|
139 | v.pull('a') | |
140 | id0 = self.client.ids[-1] |
|
140 | id0 = self.client.ids[-1] | |
141 | self.client.clear(targets=id0, block=True) |
|
141 | self.client.clear(targets=id0, block=True) | |
142 | a = self.client[:-1].get('a') |
|
142 | a = self.client[:-1].get('a') | |
143 | self.assertRaisesRemote(NameError, self.client[id0].get, 'a') |
|
143 | self.assertRaisesRemote(NameError, self.client[id0].get, 'a') | |
144 | self.client.clear(block=True) |
|
144 | self.client.clear(block=True) | |
145 | for i in self.client.ids: |
|
145 | for i in self.client.ids: | |
146 | self.assertRaisesRemote(NameError, self.client[i].get, 'a') |
|
146 | self.assertRaisesRemote(NameError, self.client[i].get, 'a') | |
147 |
|
147 | |||
148 | def test_get_result(self): |
|
148 | def test_get_result(self): | |
149 | """test getting results from the Hub.""" |
|
149 | """test getting results from the Hub.""" | |
150 | c = clientmod.Client(profile='iptest') |
|
150 | c = clientmod.Client(profile='iptest') | |
151 | t = c.ids[-1] |
|
151 | t = c.ids[-1] | |
152 | ar = c[t].apply_async(wait, 1) |
|
152 | ar = c[t].apply_async(wait, 1) | |
153 | # give the monitor time to notice the message |
|
153 | # give the monitor time to notice the message | |
154 | time.sleep(.25) |
|
154 | time.sleep(.25) | |
155 | ahr = self.client.get_result(ar.msg_ids) |
|
155 | ahr = self.client.get_result(ar.msg_ids[0]) | |
156 | self.assertTrue(isinstance(ahr, AsyncHubResult)) |
|
156 | self.assertTrue(isinstance(ahr, AsyncHubResult)) | |
157 | self.assertEqual(ahr.get(), ar.get()) |
|
157 | self.assertEqual(ahr.get(), ar.get()) | |
158 | ar2 = self.client.get_result(ar.msg_ids) |
|
158 | ar2 = self.client.get_result(ar.msg_ids[0]) | |
159 | self.assertFalse(isinstance(ar2, AsyncHubResult)) |
|
159 | self.assertFalse(isinstance(ar2, AsyncHubResult)) | |
160 | c.close() |
|
160 | c.close() | |
161 |
|
161 | |||
162 | def test_get_execute_result(self): |
|
162 | def test_get_execute_result(self): | |
163 | """test getting execute results from the Hub.""" |
|
163 | """test getting execute results from the Hub.""" | |
164 | c = clientmod.Client(profile='iptest') |
|
164 | c = clientmod.Client(profile='iptest') | |
165 | t = c.ids[-1] |
|
165 | t = c.ids[-1] | |
166 | cell = '\n'.join([ |
|
166 | cell = '\n'.join([ | |
167 | 'import time', |
|
167 | 'import time', | |
168 | 'time.sleep(0.25)', |
|
168 | 'time.sleep(0.25)', | |
169 | '5' |
|
169 | '5' | |
170 | ]) |
|
170 | ]) | |
171 | ar = c[t].execute("import time; time.sleep(1)", silent=False) |
|
171 | ar = c[t].execute("import time; time.sleep(1)", silent=False) | |
172 | # give the monitor time to notice the message |
|
172 | # give the monitor time to notice the message | |
173 | time.sleep(.25) |
|
173 | time.sleep(.25) | |
174 | ahr = self.client.get_result(ar.msg_ids) |
|
174 | ahr = self.client.get_result(ar.msg_ids[0]) | |
|
175 | print ar.get(), ahr.get(), ar._single_result, ahr._single_result | |||
175 | self.assertTrue(isinstance(ahr, AsyncHubResult)) |
|
176 | self.assertTrue(isinstance(ahr, AsyncHubResult)) | |
176 | self.assertEqual(ahr.get().pyout, ar.get().pyout) |
|
177 | self.assertEqual(ahr.get().pyout, ar.get().pyout) | |
177 | ar2 = self.client.get_result(ar.msg_ids) |
|
178 | ar2 = self.client.get_result(ar.msg_ids[0]) | |
178 | self.assertFalse(isinstance(ar2, AsyncHubResult)) |
|
179 | self.assertFalse(isinstance(ar2, AsyncHubResult)) | |
179 | c.close() |
|
180 | c.close() | |
180 |
|
181 | |||
181 | def test_ids_list(self): |
|
182 | def test_ids_list(self): | |
182 | """test client.ids""" |
|
183 | """test client.ids""" | |
183 | ids = self.client.ids |
|
184 | ids = self.client.ids | |
184 | self.assertEqual(ids, self.client._ids) |
|
185 | self.assertEqual(ids, self.client._ids) | |
185 | self.assertFalse(ids is self.client._ids) |
|
186 | self.assertFalse(ids is self.client._ids) | |
186 | ids.remove(ids[-1]) |
|
187 | ids.remove(ids[-1]) | |
187 | self.assertNotEqual(ids, self.client._ids) |
|
188 | self.assertNotEqual(ids, self.client._ids) | |
188 |
|
189 | |||
189 | def test_queue_status(self): |
|
190 | def test_queue_status(self): | |
190 | ids = self.client.ids |
|
191 | ids = self.client.ids | |
191 | id0 = ids[0] |
|
192 | id0 = ids[0] | |
192 | qs = self.client.queue_status(targets=id0) |
|
193 | qs = self.client.queue_status(targets=id0) | |
193 | self.assertTrue(isinstance(qs, dict)) |
|
194 | self.assertTrue(isinstance(qs, dict)) | |
194 | self.assertEqual(sorted(qs.keys()), ['completed', 'queue', 'tasks']) |
|
195 | self.assertEqual(sorted(qs.keys()), ['completed', 'queue', 'tasks']) | |
195 | allqs = self.client.queue_status() |
|
196 | allqs = self.client.queue_status() | |
196 | self.assertTrue(isinstance(allqs, dict)) |
|
197 | self.assertTrue(isinstance(allqs, dict)) | |
197 | intkeys = list(allqs.keys()) |
|
198 | intkeys = list(allqs.keys()) | |
198 | intkeys.remove('unassigned') |
|
199 | intkeys.remove('unassigned') | |
199 | self.assertEqual(sorted(intkeys), sorted(self.client.ids)) |
|
200 | self.assertEqual(sorted(intkeys), sorted(self.client.ids)) | |
200 | unassigned = allqs.pop('unassigned') |
|
201 | unassigned = allqs.pop('unassigned') | |
201 | for eid,qs in allqs.items(): |
|
202 | for eid,qs in allqs.items(): | |
202 | self.assertTrue(isinstance(qs, dict)) |
|
203 | self.assertTrue(isinstance(qs, dict)) | |
203 | self.assertEqual(sorted(qs.keys()), ['completed', 'queue', 'tasks']) |
|
204 | self.assertEqual(sorted(qs.keys()), ['completed', 'queue', 'tasks']) | |
204 |
|
205 | |||
205 | def test_shutdown(self): |
|
206 | def test_shutdown(self): | |
206 | ids = self.client.ids |
|
207 | ids = self.client.ids | |
207 | id0 = ids[0] |
|
208 | id0 = ids[0] | |
208 | self.client.shutdown(id0, block=True) |
|
209 | self.client.shutdown(id0, block=True) | |
209 | while id0 in self.client.ids: |
|
210 | while id0 in self.client.ids: | |
210 | time.sleep(0.1) |
|
211 | time.sleep(0.1) | |
211 | self.client.spin() |
|
212 | self.client.spin() | |
212 |
|
213 | |||
213 | self.assertRaises(IndexError, lambda : self.client[id0]) |
|
214 | self.assertRaises(IndexError, lambda : self.client[id0]) | |
214 |
|
215 | |||
215 | def test_result_status(self): |
|
216 | def test_result_status(self): | |
216 | pass |
|
217 | pass | |
217 | # to be written |
|
218 | # to be written | |
218 |
|
219 | |||
219 | def test_db_query_dt(self): |
|
220 | def test_db_query_dt(self): | |
220 | """test db query by date""" |
|
221 | """test db query by date""" | |
221 | hist = self.client.hub_history() |
|
222 | hist = self.client.hub_history() | |
222 | middle = self.client.db_query({'msg_id' : hist[len(hist)//2]})[0] |
|
223 | middle = self.client.db_query({'msg_id' : hist[len(hist)//2]})[0] | |
223 | tic = middle['submitted'] |
|
224 | tic = middle['submitted'] | |
224 | before = self.client.db_query({'submitted' : {'$lt' : tic}}) |
|
225 | before = self.client.db_query({'submitted' : {'$lt' : tic}}) | |
225 | after = self.client.db_query({'submitted' : {'$gte' : tic}}) |
|
226 | after = self.client.db_query({'submitted' : {'$gte' : tic}}) | |
226 | self.assertEqual(len(before)+len(after),len(hist)) |
|
227 | self.assertEqual(len(before)+len(after),len(hist)) | |
227 | for b in before: |
|
228 | for b in before: | |
228 | self.assertTrue(b['submitted'] < tic) |
|
229 | self.assertTrue(b['submitted'] < tic) | |
229 | for a in after: |
|
230 | for a in after: | |
230 | self.assertTrue(a['submitted'] >= tic) |
|
231 | self.assertTrue(a['submitted'] >= tic) | |
231 | same = self.client.db_query({'submitted' : tic}) |
|
232 | same = self.client.db_query({'submitted' : tic}) | |
232 | for s in same: |
|
233 | for s in same: | |
233 | self.assertTrue(s['submitted'] == tic) |
|
234 | self.assertTrue(s['submitted'] == tic) | |
234 |
|
235 | |||
235 | def test_db_query_keys(self): |
|
236 | def test_db_query_keys(self): | |
236 | """test extracting subset of record keys""" |
|
237 | """test extracting subset of record keys""" | |
237 | found = self.client.db_query({'msg_id': {'$ne' : ''}},keys=['submitted', 'completed']) |
|
238 | found = self.client.db_query({'msg_id': {'$ne' : ''}},keys=['submitted', 'completed']) | |
238 | for rec in found: |
|
239 | for rec in found: | |
239 | self.assertEqual(set(rec.keys()), set(['msg_id', 'submitted', 'completed'])) |
|
240 | self.assertEqual(set(rec.keys()), set(['msg_id', 'submitted', 'completed'])) | |
240 |
|
241 | |||
241 | def test_db_query_default_keys(self): |
|
242 | def test_db_query_default_keys(self): | |
242 | """default db_query excludes buffers""" |
|
243 | """default db_query excludes buffers""" | |
243 | found = self.client.db_query({'msg_id': {'$ne' : ''}}) |
|
244 | found = self.client.db_query({'msg_id': {'$ne' : ''}}) | |
244 | for rec in found: |
|
245 | for rec in found: | |
245 | keys = set(rec.keys()) |
|
246 | keys = set(rec.keys()) | |
246 | self.assertFalse('buffers' in keys, "'buffers' should not be in: %s" % keys) |
|
247 | self.assertFalse('buffers' in keys, "'buffers' should not be in: %s" % keys) | |
247 | self.assertFalse('result_buffers' in keys, "'result_buffers' should not be in: %s" % keys) |
|
248 | self.assertFalse('result_buffers' in keys, "'result_buffers' should not be in: %s" % keys) | |
248 |
|
249 | |||
249 | def test_db_query_msg_id(self): |
|
250 | def test_db_query_msg_id(self): | |
250 | """ensure msg_id is always in db queries""" |
|
251 | """ensure msg_id is always in db queries""" | |
251 | found = self.client.db_query({'msg_id': {'$ne' : ''}},keys=['submitted', 'completed']) |
|
252 | found = self.client.db_query({'msg_id': {'$ne' : ''}},keys=['submitted', 'completed']) | |
252 | for rec in found: |
|
253 | for rec in found: | |
253 | self.assertTrue('msg_id' in rec.keys()) |
|
254 | self.assertTrue('msg_id' in rec.keys()) | |
254 | found = self.client.db_query({'msg_id': {'$ne' : ''}},keys=['submitted']) |
|
255 | found = self.client.db_query({'msg_id': {'$ne' : ''}},keys=['submitted']) | |
255 | for rec in found: |
|
256 | for rec in found: | |
256 | self.assertTrue('msg_id' in rec.keys()) |
|
257 | self.assertTrue('msg_id' in rec.keys()) | |
257 | found = self.client.db_query({'msg_id': {'$ne' : ''}},keys=['msg_id']) |
|
258 | found = self.client.db_query({'msg_id': {'$ne' : ''}},keys=['msg_id']) | |
258 | for rec in found: |
|
259 | for rec in found: | |
259 | self.assertTrue('msg_id' in rec.keys()) |
|
260 | self.assertTrue('msg_id' in rec.keys()) | |
260 |
|
261 | |||
261 | def test_db_query_get_result(self): |
|
262 | def test_db_query_get_result(self): | |
262 | """pop in db_query shouldn't pop from result itself""" |
|
263 | """pop in db_query shouldn't pop from result itself""" | |
263 | self.client[:].apply_sync(lambda : 1) |
|
264 | self.client[:].apply_sync(lambda : 1) | |
264 | found = self.client.db_query({'msg_id': {'$ne' : ''}}) |
|
265 | found = self.client.db_query({'msg_id': {'$ne' : ''}}) | |
265 | rc2 = clientmod.Client(profile='iptest') |
|
266 | rc2 = clientmod.Client(profile='iptest') | |
266 | # If this bug is not fixed, this call will hang: |
|
267 | # If this bug is not fixed, this call will hang: | |
267 | ar = rc2.get_result(self.client.history[-1]) |
|
268 | ar = rc2.get_result(self.client.history[-1]) | |
268 | ar.wait(2) |
|
269 | ar.wait(2) | |
269 | self.assertTrue(ar.ready()) |
|
270 | self.assertTrue(ar.ready()) | |
270 | ar.get() |
|
271 | ar.get() | |
271 | rc2.close() |
|
272 | rc2.close() | |
272 |
|
273 | |||
273 | def test_db_query_in(self): |
|
274 | def test_db_query_in(self): | |
274 | """test db query with '$in','$nin' operators""" |
|
275 | """test db query with '$in','$nin' operators""" | |
275 | hist = self.client.hub_history() |
|
276 | hist = self.client.hub_history() | |
276 | even = hist[::2] |
|
277 | even = hist[::2] | |
277 | odd = hist[1::2] |
|
278 | odd = hist[1::2] | |
278 | recs = self.client.db_query({ 'msg_id' : {'$in' : even}}) |
|
279 | recs = self.client.db_query({ 'msg_id' : {'$in' : even}}) | |
279 | found = [ r['msg_id'] for r in recs ] |
|
280 | found = [ r['msg_id'] for r in recs ] | |
280 | self.assertEqual(set(even), set(found)) |
|
281 | self.assertEqual(set(even), set(found)) | |
281 | recs = self.client.db_query({ 'msg_id' : {'$nin' : even}}) |
|
282 | recs = self.client.db_query({ 'msg_id' : {'$nin' : even}}) | |
282 | found = [ r['msg_id'] for r in recs ] |
|
283 | found = [ r['msg_id'] for r in recs ] | |
283 | self.assertEqual(set(odd), set(found)) |
|
284 | self.assertEqual(set(odd), set(found)) | |
284 |
|
285 | |||
285 | def test_hub_history(self): |
|
286 | def test_hub_history(self): | |
286 | hist = self.client.hub_history() |
|
287 | hist = self.client.hub_history() | |
287 | recs = self.client.db_query({ 'msg_id' : {"$ne":''}}) |
|
288 | recs = self.client.db_query({ 'msg_id' : {"$ne":''}}) | |
288 | recdict = {} |
|
289 | recdict = {} | |
289 | for rec in recs: |
|
290 | for rec in recs: | |
290 | recdict[rec['msg_id']] = rec |
|
291 | recdict[rec['msg_id']] = rec | |
291 |
|
292 | |||
292 | latest = datetime(1984,1,1) |
|
293 | latest = datetime(1984,1,1) | |
293 | for msg_id in hist: |
|
294 | for msg_id in hist: | |
294 | rec = recdict[msg_id] |
|
295 | rec = recdict[msg_id] | |
295 | newt = rec['submitted'] |
|
296 | newt = rec['submitted'] | |
296 | self.assertTrue(newt >= latest) |
|
297 | self.assertTrue(newt >= latest) | |
297 | latest = newt |
|
298 | latest = newt | |
298 | ar = self.client[-1].apply_async(lambda : 1) |
|
299 | ar = self.client[-1].apply_async(lambda : 1) | |
299 | ar.get() |
|
300 | ar.get() | |
300 | time.sleep(0.25) |
|
301 | time.sleep(0.25) | |
301 | self.assertEqual(self.client.hub_history()[-1:],ar.msg_ids) |
|
302 | self.assertEqual(self.client.hub_history()[-1:],ar.msg_ids) | |
302 |
|
303 | |||
303 | def _wait_for_idle(self): |
|
304 | def _wait_for_idle(self): | |
304 | """wait for an engine to become idle, according to the Hub""" |
|
305 | """wait for an engine to become idle, according to the Hub""" | |
305 | rc = self.client |
|
306 | rc = self.client | |
306 |
|
307 | |||
307 | # step 1. wait for all requests to be noticed |
|
308 | # step 1. wait for all requests to be noticed | |
308 | # timeout 5s, polling every 100ms |
|
309 | # timeout 5s, polling every 100ms | |
309 | msg_ids = set(rc.history) |
|
310 | msg_ids = set(rc.history) | |
310 | hub_hist = rc.hub_history() |
|
311 | hub_hist = rc.hub_history() | |
311 | for i in range(50): |
|
312 | for i in range(50): | |
312 | if msg_ids.difference(hub_hist): |
|
313 | if msg_ids.difference(hub_hist): | |
313 | time.sleep(0.1) |
|
314 | time.sleep(0.1) | |
314 | hub_hist = rc.hub_history() |
|
315 | hub_hist = rc.hub_history() | |
315 | else: |
|
316 | else: | |
316 | break |
|
317 | break | |
317 |
|
318 | |||
318 | self.assertEqual(len(msg_ids.difference(hub_hist)), 0) |
|
319 | self.assertEqual(len(msg_ids.difference(hub_hist)), 0) | |
319 |
|
320 | |||
320 | # step 2. wait for all requests to be done |
|
321 | # step 2. wait for all requests to be done | |
321 | # timeout 5s, polling every 100ms |
|
322 | # timeout 5s, polling every 100ms | |
322 | qs = rc.queue_status() |
|
323 | qs = rc.queue_status() | |
323 | for i in range(50): |
|
324 | for i in range(50): | |
324 | if qs['unassigned'] or any(qs[eid]['tasks'] for eid in rc.ids): |
|
325 | if qs['unassigned'] or any(qs[eid]['tasks'] for eid in rc.ids): | |
325 | time.sleep(0.1) |
|
326 | time.sleep(0.1) | |
326 | qs = rc.queue_status() |
|
327 | qs = rc.queue_status() | |
327 | else: |
|
328 | else: | |
328 | break |
|
329 | break | |
329 |
|
330 | |||
330 | # ensure Hub up to date: |
|
331 | # ensure Hub up to date: | |
331 | self.assertEqual(qs['unassigned'], 0) |
|
332 | self.assertEqual(qs['unassigned'], 0) | |
332 | for eid in rc.ids: |
|
333 | for eid in rc.ids: | |
333 | self.assertEqual(qs[eid]['tasks'], 0) |
|
334 | self.assertEqual(qs[eid]['tasks'], 0) | |
334 |
|
335 | |||
335 |
|
336 | |||
336 | def test_resubmit(self): |
|
337 | def test_resubmit(self): | |
337 | def f(): |
|
338 | def f(): | |
338 | import random |
|
339 | import random | |
339 | return random.random() |
|
340 | return random.random() | |
340 | v = self.client.load_balanced_view() |
|
341 | v = self.client.load_balanced_view() | |
341 | ar = v.apply_async(f) |
|
342 | ar = v.apply_async(f) | |
342 | r1 = ar.get(1) |
|
343 | r1 = ar.get(1) | |
343 | # give the Hub a chance to notice: |
|
344 | # give the Hub a chance to notice: | |
344 | self._wait_for_idle() |
|
345 | self._wait_for_idle() | |
345 | ahr = self.client.resubmit(ar.msg_ids) |
|
346 | ahr = self.client.resubmit(ar.msg_ids) | |
346 | r2 = ahr.get(1) |
|
347 | r2 = ahr.get(1) | |
347 | self.assertFalse(r1 == r2) |
|
348 | self.assertFalse(r1 == r2) | |
348 |
|
349 | |||
349 | def test_resubmit_chain(self): |
|
350 | def test_resubmit_chain(self): | |
350 | """resubmit resubmitted tasks""" |
|
351 | """resubmit resubmitted tasks""" | |
351 | v = self.client.load_balanced_view() |
|
352 | v = self.client.load_balanced_view() | |
352 | ar = v.apply_async(lambda x: x, 'x'*1024) |
|
353 | ar = v.apply_async(lambda x: x, 'x'*1024) | |
353 | ar.get() |
|
354 | ar.get() | |
354 | self._wait_for_idle() |
|
355 | self._wait_for_idle() | |
355 | ars = [ar] |
|
356 | ars = [ar] | |
356 |
|
357 | |||
357 | for i in range(10): |
|
358 | for i in range(10): | |
358 | ar = ars[-1] |
|
359 | ar = ars[-1] | |
359 | ar2 = self.client.resubmit(ar.msg_ids) |
|
360 | ar2 = self.client.resubmit(ar.msg_ids) | |
360 |
|
361 | |||
361 | [ ar.get() for ar in ars ] |
|
362 | [ ar.get() for ar in ars ] | |
362 |
|
363 | |||
363 | def test_resubmit_header(self): |
|
364 | def test_resubmit_header(self): | |
364 | """resubmit shouldn't clobber the whole header""" |
|
365 | """resubmit shouldn't clobber the whole header""" | |
365 | def f(): |
|
366 | def f(): | |
366 | import random |
|
367 | import random | |
367 | return random.random() |
|
368 | return random.random() | |
368 | v = self.client.load_balanced_view() |
|
369 | v = self.client.load_balanced_view() | |
369 | v.retries = 1 |
|
370 | v.retries = 1 | |
370 | ar = v.apply_async(f) |
|
371 | ar = v.apply_async(f) | |
371 | r1 = ar.get(1) |
|
372 | r1 = ar.get(1) | |
372 | # give the Hub a chance to notice: |
|
373 | # give the Hub a chance to notice: | |
373 | self._wait_for_idle() |
|
374 | self._wait_for_idle() | |
374 | ahr = self.client.resubmit(ar.msg_ids) |
|
375 | ahr = self.client.resubmit(ar.msg_ids) | |
375 | ahr.get(1) |
|
376 | ahr.get(1) | |
376 | time.sleep(0.5) |
|
377 | time.sleep(0.5) | |
377 | records = self.client.db_query({'msg_id': {'$in': ar.msg_ids + ahr.msg_ids}}, keys='header') |
|
378 | records = self.client.db_query({'msg_id': {'$in': ar.msg_ids + ahr.msg_ids}}, keys='header') | |
378 | h1,h2 = [ r['header'] for r in records ] |
|
379 | h1,h2 = [ r['header'] for r in records ] | |
379 | for key in set(h1.keys()).union(set(h2.keys())): |
|
380 | for key in set(h1.keys()).union(set(h2.keys())): | |
380 | if key in ('msg_id', 'date'): |
|
381 | if key in ('msg_id', 'date'): | |
381 | self.assertNotEqual(h1[key], h2[key]) |
|
382 | self.assertNotEqual(h1[key], h2[key]) | |
382 | else: |
|
383 | else: | |
383 | self.assertEqual(h1[key], h2[key]) |
|
384 | self.assertEqual(h1[key], h2[key]) | |
384 |
|
385 | |||
385 | def test_resubmit_aborted(self): |
|
386 | def test_resubmit_aborted(self): | |
386 | def f(): |
|
387 | def f(): | |
387 | import random |
|
388 | import random | |
388 | return random.random() |
|
389 | return random.random() | |
389 | v = self.client.load_balanced_view() |
|
390 | v = self.client.load_balanced_view() | |
390 | # restrict to one engine, so we can put a sleep |
|
391 | # restrict to one engine, so we can put a sleep | |
391 | # ahead of the task, so it will get aborted |
|
392 | # ahead of the task, so it will get aborted | |
392 | eid = self.client.ids[-1] |
|
393 | eid = self.client.ids[-1] | |
393 | v.targets = [eid] |
|
394 | v.targets = [eid] | |
394 | sleep = v.apply_async(time.sleep, 0.5) |
|
395 | sleep = v.apply_async(time.sleep, 0.5) | |
395 | ar = v.apply_async(f) |
|
396 | ar = v.apply_async(f) | |
396 | ar.abort() |
|
397 | ar.abort() | |
397 | self.assertRaises(error.TaskAborted, ar.get) |
|
398 | self.assertRaises(error.TaskAborted, ar.get) | |
398 | # Give the Hub a chance to get up to date: |
|
399 | # Give the Hub a chance to get up to date: | |
399 | self._wait_for_idle() |
|
400 | self._wait_for_idle() | |
400 | ahr = self.client.resubmit(ar.msg_ids) |
|
401 | ahr = self.client.resubmit(ar.msg_ids) | |
401 | r2 = ahr.get(1) |
|
402 | r2 = ahr.get(1) | |
402 |
|
403 | |||
403 | def test_resubmit_inflight(self): |
|
404 | def test_resubmit_inflight(self): | |
404 | """resubmit of inflight task""" |
|
405 | """resubmit of inflight task""" | |
405 | v = self.client.load_balanced_view() |
|
406 | v = self.client.load_balanced_view() | |
406 | ar = v.apply_async(time.sleep,1) |
|
407 | ar = v.apply_async(time.sleep,1) | |
407 | # give the message a chance to arrive |
|
408 | # give the message a chance to arrive | |
408 | time.sleep(0.2) |
|
409 | time.sleep(0.2) | |
409 | ahr = self.client.resubmit(ar.msg_ids) |
|
410 | ahr = self.client.resubmit(ar.msg_ids) | |
410 | ar.get(2) |
|
411 | ar.get(2) | |
411 | ahr.get(2) |
|
412 | ahr.get(2) | |
412 |
|
413 | |||
413 | def test_resubmit_badkey(self): |
|
414 | def test_resubmit_badkey(self): | |
414 | """ensure KeyError on resubmit of nonexistant task""" |
|
415 | """ensure KeyError on resubmit of nonexistant task""" | |
415 | self.assertRaisesRemote(KeyError, self.client.resubmit, ['invalid']) |
|
416 | self.assertRaisesRemote(KeyError, self.client.resubmit, ['invalid']) | |
416 |
|
417 | |||
417 | def test_purge_hub_results(self): |
|
418 | def test_purge_hub_results(self): | |
418 | # ensure there are some tasks |
|
419 | # ensure there are some tasks | |
419 | for i in range(5): |
|
420 | for i in range(5): | |
420 | self.client[:].apply_sync(lambda : 1) |
|
421 | self.client[:].apply_sync(lambda : 1) | |
421 | # Wait for the Hub to realise the result is done: |
|
422 | # Wait for the Hub to realise the result is done: | |
422 | # This prevents a race condition, where we |
|
423 | # This prevents a race condition, where we | |
423 | # might purge a result the Hub still thinks is pending. |
|
424 | # might purge a result the Hub still thinks is pending. | |
424 | self._wait_for_idle() |
|
425 | self._wait_for_idle() | |
425 | rc2 = clientmod.Client(profile='iptest') |
|
426 | rc2 = clientmod.Client(profile='iptest') | |
426 | hist = self.client.hub_history() |
|
427 | hist = self.client.hub_history() | |
427 | ahr = rc2.get_result([hist[-1]]) |
|
428 | ahr = rc2.get_result([hist[-1]]) | |
428 | ahr.wait(10) |
|
429 | ahr.wait(10) | |
429 | self.client.purge_hub_results(hist[-1]) |
|
430 | self.client.purge_hub_results(hist[-1]) | |
430 | newhist = self.client.hub_history() |
|
431 | newhist = self.client.hub_history() | |
431 | self.assertEqual(len(newhist)+1,len(hist)) |
|
432 | self.assertEqual(len(newhist)+1,len(hist)) | |
432 | rc2.spin() |
|
433 | rc2.spin() | |
433 | rc2.close() |
|
434 | rc2.close() | |
434 |
|
435 | |||
435 | def test_purge_local_results(self): |
|
436 | def test_purge_local_results(self): | |
436 | # ensure there are some tasks |
|
437 | # ensure there are some tasks | |
437 | res = [] |
|
438 | res = [] | |
438 | for i in range(5): |
|
439 | for i in range(5): | |
439 | res.append(self.client[:].apply_async(lambda : 1)) |
|
440 | res.append(self.client[:].apply_async(lambda : 1)) | |
440 | self._wait_for_idle() |
|
441 | self._wait_for_idle() | |
441 | self.client.wait(10) # wait for the results to come back |
|
442 | self.client.wait(10) # wait for the results to come back | |
442 | before = len(self.client.results) |
|
443 | before = len(self.client.results) | |
443 | self.assertEqual(len(self.client.metadata),before) |
|
444 | self.assertEqual(len(self.client.metadata),before) | |
444 | self.client.purge_local_results(res[-1]) |
|
445 | self.client.purge_local_results(res[-1]) | |
445 | self.assertEqual(len(self.client.results),before-len(res[-1]), msg="Not removed from results") |
|
446 | self.assertEqual(len(self.client.results),before-len(res[-1]), msg="Not removed from results") | |
446 | self.assertEqual(len(self.client.metadata),before-len(res[-1]), msg="Not removed from metadata") |
|
447 | self.assertEqual(len(self.client.metadata),before-len(res[-1]), msg="Not removed from metadata") | |
447 |
|
448 | |||
448 | def test_purge_all_hub_results(self): |
|
449 | def test_purge_all_hub_results(self): | |
449 | self.client.purge_hub_results('all') |
|
450 | self.client.purge_hub_results('all') | |
450 | hist = self.client.hub_history() |
|
451 | hist = self.client.hub_history() | |
451 | self.assertEqual(len(hist), 0) |
|
452 | self.assertEqual(len(hist), 0) | |
452 |
|
453 | |||
453 | def test_purge_all_local_results(self): |
|
454 | def test_purge_all_local_results(self): | |
454 | self.client.purge_local_results('all') |
|
455 | self.client.purge_local_results('all') | |
455 | self.assertEqual(len(self.client.results), 0, msg="Results not empty") |
|
456 | self.assertEqual(len(self.client.results), 0, msg="Results not empty") | |
456 | self.assertEqual(len(self.client.metadata), 0, msg="metadata not empty") |
|
457 | self.assertEqual(len(self.client.metadata), 0, msg="metadata not empty") | |
457 |
|
458 | |||
458 | def test_purge_all_results(self): |
|
459 | def test_purge_all_results(self): | |
459 | # ensure there are some tasks |
|
460 | # ensure there are some tasks | |
460 | for i in range(5): |
|
461 | for i in range(5): | |
461 | self.client[:].apply_sync(lambda : 1) |
|
462 | self.client[:].apply_sync(lambda : 1) | |
462 | self.client.wait(10) |
|
463 | self.client.wait(10) | |
463 | self._wait_for_idle() |
|
464 | self._wait_for_idle() | |
464 | self.client.purge_results('all') |
|
465 | self.client.purge_results('all') | |
465 | self.assertEqual(len(self.client.results), 0, msg="Results not empty") |
|
466 | self.assertEqual(len(self.client.results), 0, msg="Results not empty") | |
466 | self.assertEqual(len(self.client.metadata), 0, msg="metadata not empty") |
|
467 | self.assertEqual(len(self.client.metadata), 0, msg="metadata not empty") | |
467 | hist = self.client.hub_history() |
|
468 | hist = self.client.hub_history() | |
468 | self.assertEqual(len(hist), 0, msg="hub history not empty") |
|
469 | self.assertEqual(len(hist), 0, msg="hub history not empty") | |
469 |
|
470 | |||
470 | def test_purge_everything(self): |
|
471 | def test_purge_everything(self): | |
471 | # ensure there are some tasks |
|
472 | # ensure there are some tasks | |
472 | for i in range(5): |
|
473 | for i in range(5): | |
473 | self.client[:].apply_sync(lambda : 1) |
|
474 | self.client[:].apply_sync(lambda : 1) | |
474 | self.client.wait(10) |
|
475 | self.client.wait(10) | |
475 | self._wait_for_idle() |
|
476 | self._wait_for_idle() | |
476 | self.client.purge_everything() |
|
477 | self.client.purge_everything() | |
477 | # The client results |
|
478 | # The client results | |
478 | self.assertEqual(len(self.client.results), 0, msg="Results not empty") |
|
479 | self.assertEqual(len(self.client.results), 0, msg="Results not empty") | |
479 | self.assertEqual(len(self.client.metadata), 0, msg="metadata not empty") |
|
480 | self.assertEqual(len(self.client.metadata), 0, msg="metadata not empty") | |
480 | # The client "bookkeeping" |
|
481 | # The client "bookkeeping" | |
481 | self.assertEqual(len(self.client.session.digest_history), 0, msg="session digest not empty") |
|
482 | self.assertEqual(len(self.client.session.digest_history), 0, msg="session digest not empty") | |
482 | self.assertEqual(len(self.client.history), 0, msg="client history not empty") |
|
483 | self.assertEqual(len(self.client.history), 0, msg="client history not empty") | |
483 | # the hub results |
|
484 | # the hub results | |
484 | hist = self.client.hub_history() |
|
485 | hist = self.client.hub_history() | |
485 | self.assertEqual(len(hist), 0, msg="hub history not empty") |
|
486 | self.assertEqual(len(hist), 0, msg="hub history not empty") | |
486 |
|
487 | |||
487 |
|
488 | |||
488 | def test_spin_thread(self): |
|
489 | def test_spin_thread(self): | |
489 | self.client.spin_thread(0.01) |
|
490 | self.client.spin_thread(0.01) | |
490 | ar = self.client[-1].apply_async(lambda : 1) |
|
491 | ar = self.client[-1].apply_async(lambda : 1) | |
491 | time.sleep(0.1) |
|
492 | time.sleep(0.1) | |
492 | self.assertTrue(ar.wall_time < 0.1, |
|
493 | self.assertTrue(ar.wall_time < 0.1, | |
493 | "spin should have kept wall_time < 0.1, but got %f" % ar.wall_time |
|
494 | "spin should have kept wall_time < 0.1, but got %f" % ar.wall_time | |
494 | ) |
|
495 | ) | |
495 |
|
496 | |||
496 | def test_stop_spin_thread(self): |
|
497 | def test_stop_spin_thread(self): | |
497 | self.client.spin_thread(0.01) |
|
498 | self.client.spin_thread(0.01) | |
498 | self.client.stop_spin_thread() |
|
499 | self.client.stop_spin_thread() | |
499 | ar = self.client[-1].apply_async(lambda : 1) |
|
500 | ar = self.client[-1].apply_async(lambda : 1) | |
500 | time.sleep(0.15) |
|
501 | time.sleep(0.15) | |
501 | self.assertTrue(ar.wall_time > 0.1, |
|
502 | self.assertTrue(ar.wall_time > 0.1, | |
502 | "Shouldn't be spinning, but got wall_time=%f" % ar.wall_time |
|
503 | "Shouldn't be spinning, but got wall_time=%f" % ar.wall_time | |
503 | ) |
|
504 | ) | |
504 |
|
505 | |||
505 | def test_activate(self): |
|
506 | def test_activate(self): | |
506 | ip = get_ipython() |
|
507 | ip = get_ipython() | |
507 | magics = ip.magics_manager.magics |
|
508 | magics = ip.magics_manager.magics | |
508 | self.assertTrue('px' in magics['line']) |
|
509 | self.assertTrue('px' in magics['line']) | |
509 | self.assertTrue('px' in magics['cell']) |
|
510 | self.assertTrue('px' in magics['cell']) | |
510 | v0 = self.client.activate(-1, '0') |
|
511 | v0 = self.client.activate(-1, '0') | |
511 | self.assertTrue('px0' in magics['line']) |
|
512 | self.assertTrue('px0' in magics['line']) | |
512 | self.assertTrue('px0' in magics['cell']) |
|
513 | self.assertTrue('px0' in magics['cell']) | |
513 | self.assertEqual(v0.targets, self.client.ids[-1]) |
|
514 | self.assertEqual(v0.targets, self.client.ids[-1]) | |
514 | v0 = self.client.activate('all', 'all') |
|
515 | v0 = self.client.activate('all', 'all') | |
515 | self.assertTrue('pxall' in magics['line']) |
|
516 | self.assertTrue('pxall' in magics['line']) | |
516 | self.assertTrue('pxall' in magics['cell']) |
|
517 | self.assertTrue('pxall' in magics['cell']) | |
517 | self.assertEqual(v0.targets, 'all') |
|
518 | self.assertEqual(v0.targets, 'all') |
@@ -1,789 +1,789 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """test View objects |
|
2 | """test View objects | |
3 |
|
3 | |||
4 | Authors: |
|
4 | Authors: | |
5 |
|
5 | |||
6 | * Min RK |
|
6 | * Min RK | |
7 | """ |
|
7 | """ | |
8 | #------------------------------------------------------------------------------- |
|
8 | #------------------------------------------------------------------------------- | |
9 | # Copyright (C) 2011 The IPython Development Team |
|
9 | # Copyright (C) 2011 The IPython Development Team | |
10 | # |
|
10 | # | |
11 | # Distributed under the terms of the BSD License. The full license is in |
|
11 | # Distributed under the terms of the BSD License. The full license is in | |
12 | # the file COPYING, distributed as part of this software. |
|
12 | # the file COPYING, distributed as part of this software. | |
13 | #------------------------------------------------------------------------------- |
|
13 | #------------------------------------------------------------------------------- | |
14 |
|
14 | |||
15 | #------------------------------------------------------------------------------- |
|
15 | #------------------------------------------------------------------------------- | |
16 | # Imports |
|
16 | # Imports | |
17 | #------------------------------------------------------------------------------- |
|
17 | #------------------------------------------------------------------------------- | |
18 |
|
18 | |||
19 | import sys |
|
19 | import sys | |
20 | import platform |
|
20 | import platform | |
21 | import time |
|
21 | import time | |
22 | from collections import namedtuple |
|
22 | from collections import namedtuple | |
23 | from tempfile import mktemp |
|
23 | from tempfile import mktemp | |
24 | from StringIO import StringIO |
|
24 | from StringIO import StringIO | |
25 |
|
25 | |||
26 | import zmq |
|
26 | import zmq | |
27 | from nose import SkipTest |
|
27 | from nose import SkipTest | |
28 | from nose.plugins.attrib import attr |
|
28 | from nose.plugins.attrib import attr | |
29 |
|
29 | |||
30 | from IPython.testing import decorators as dec |
|
30 | from IPython.testing import decorators as dec | |
31 | from IPython.testing.ipunittest import ParametricTestCase |
|
31 | from IPython.testing.ipunittest import ParametricTestCase | |
32 | from IPython.utils.io import capture_output |
|
32 | from IPython.utils.io import capture_output | |
33 |
|
33 | |||
34 | from IPython import parallel as pmod |
|
34 | from IPython import parallel as pmod | |
35 | from IPython.parallel import error |
|
35 | from IPython.parallel import error | |
36 | from IPython.parallel import AsyncResult, AsyncHubResult, AsyncMapResult |
|
36 | from IPython.parallel import AsyncResult, AsyncHubResult, AsyncMapResult | |
37 | from IPython.parallel import DirectView |
|
37 | from IPython.parallel import DirectView | |
38 | from IPython.parallel.util import interactive |
|
38 | from IPython.parallel.util import interactive | |
39 |
|
39 | |||
40 | from IPython.parallel.tests import add_engines |
|
40 | from IPython.parallel.tests import add_engines | |
41 |
|
41 | |||
42 | from .clienttest import ClusterTestCase, crash, wait, skip_without |
|
42 | from .clienttest import ClusterTestCase, crash, wait, skip_without | |
43 |
|
43 | |||
44 | def setup(): |
|
44 | def setup(): | |
45 | add_engines(3, total=True) |
|
45 | add_engines(3, total=True) | |
46 |
|
46 | |||
47 | point = namedtuple("point", "x y") |
|
47 | point = namedtuple("point", "x y") | |
48 |
|
48 | |||
49 | class TestView(ClusterTestCase, ParametricTestCase): |
|
49 | class TestView(ClusterTestCase, ParametricTestCase): | |
50 |
|
50 | |||
51 | def setUp(self): |
|
51 | def setUp(self): | |
52 | # On Win XP, wait for resource cleanup, else parallel test group fails |
|
52 | # On Win XP, wait for resource cleanup, else parallel test group fails | |
53 | if platform.system() == "Windows" and platform.win32_ver()[0] == "XP": |
|
53 | if platform.system() == "Windows" and platform.win32_ver()[0] == "XP": | |
54 | # 1 sec fails. 1.5 sec seems ok. Using 2 sec for margin of safety |
|
54 | # 1 sec fails. 1.5 sec seems ok. Using 2 sec for margin of safety | |
55 | time.sleep(2) |
|
55 | time.sleep(2) | |
56 | super(TestView, self).setUp() |
|
56 | super(TestView, self).setUp() | |
57 |
|
57 | |||
58 | @attr('crash') |
|
58 | @attr('crash') | |
59 | def test_z_crash_mux(self): |
|
59 | def test_z_crash_mux(self): | |
60 | """test graceful handling of engine death (direct)""" |
|
60 | """test graceful handling of engine death (direct)""" | |
61 | # self.add_engines(1) |
|
61 | # self.add_engines(1) | |
62 | eid = self.client.ids[-1] |
|
62 | eid = self.client.ids[-1] | |
63 | ar = self.client[eid].apply_async(crash) |
|
63 | ar = self.client[eid].apply_async(crash) | |
64 | self.assertRaisesRemote(error.EngineError, ar.get, 10) |
|
64 | self.assertRaisesRemote(error.EngineError, ar.get, 10) | |
65 | eid = ar.engine_id |
|
65 | eid = ar.engine_id | |
66 | tic = time.time() |
|
66 | tic = time.time() | |
67 | while eid in self.client.ids and time.time()-tic < 5: |
|
67 | while eid in self.client.ids and time.time()-tic < 5: | |
68 | time.sleep(.01) |
|
68 | time.sleep(.01) | |
69 | self.client.spin() |
|
69 | self.client.spin() | |
70 | self.assertFalse(eid in self.client.ids, "Engine should have died") |
|
70 | self.assertFalse(eid in self.client.ids, "Engine should have died") | |
71 |
|
71 | |||
72 | def test_push_pull(self): |
|
72 | def test_push_pull(self): | |
73 | """test pushing and pulling""" |
|
73 | """test pushing and pulling""" | |
74 | data = dict(a=10, b=1.05, c=range(10), d={'e':(1,2),'f':'hi'}) |
|
74 | data = dict(a=10, b=1.05, c=range(10), d={'e':(1,2),'f':'hi'}) | |
75 | t = self.client.ids[-1] |
|
75 | t = self.client.ids[-1] | |
76 | v = self.client[t] |
|
76 | v = self.client[t] | |
77 | push = v.push |
|
77 | push = v.push | |
78 | pull = v.pull |
|
78 | pull = v.pull | |
79 | v.block=True |
|
79 | v.block=True | |
80 | nengines = len(self.client) |
|
80 | nengines = len(self.client) | |
81 | push({'data':data}) |
|
81 | push({'data':data}) | |
82 | d = pull('data') |
|
82 | d = pull('data') | |
83 | self.assertEqual(d, data) |
|
83 | self.assertEqual(d, data) | |
84 | self.client[:].push({'data':data}) |
|
84 | self.client[:].push({'data':data}) | |
85 | d = self.client[:].pull('data', block=True) |
|
85 | d = self.client[:].pull('data', block=True) | |
86 | self.assertEqual(d, nengines*[data]) |
|
86 | self.assertEqual(d, nengines*[data]) | |
87 | ar = push({'data':data}, block=False) |
|
87 | ar = push({'data':data}, block=False) | |
88 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
88 | self.assertTrue(isinstance(ar, AsyncResult)) | |
89 | r = ar.get() |
|
89 | r = ar.get() | |
90 | ar = self.client[:].pull('data', block=False) |
|
90 | ar = self.client[:].pull('data', block=False) | |
91 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
91 | self.assertTrue(isinstance(ar, AsyncResult)) | |
92 | r = ar.get() |
|
92 | r = ar.get() | |
93 | self.assertEqual(r, nengines*[data]) |
|
93 | self.assertEqual(r, nengines*[data]) | |
94 | self.client[:].push(dict(a=10,b=20)) |
|
94 | self.client[:].push(dict(a=10,b=20)) | |
95 | r = self.client[:].pull(('a','b'), block=True) |
|
95 | r = self.client[:].pull(('a','b'), block=True) | |
96 | self.assertEqual(r, nengines*[[10,20]]) |
|
96 | self.assertEqual(r, nengines*[[10,20]]) | |
97 |
|
97 | |||
98 | def test_push_pull_function(self): |
|
98 | def test_push_pull_function(self): | |
99 | "test pushing and pulling functions" |
|
99 | "test pushing and pulling functions" | |
100 | def testf(x): |
|
100 | def testf(x): | |
101 | return 2.0*x |
|
101 | return 2.0*x | |
102 |
|
102 | |||
103 | t = self.client.ids[-1] |
|
103 | t = self.client.ids[-1] | |
104 | v = self.client[t] |
|
104 | v = self.client[t] | |
105 | v.block=True |
|
105 | v.block=True | |
106 | push = v.push |
|
106 | push = v.push | |
107 | pull = v.pull |
|
107 | pull = v.pull | |
108 | execute = v.execute |
|
108 | execute = v.execute | |
109 | push({'testf':testf}) |
|
109 | push({'testf':testf}) | |
110 | r = pull('testf') |
|
110 | r = pull('testf') | |
111 | self.assertEqual(r(1.0), testf(1.0)) |
|
111 | self.assertEqual(r(1.0), testf(1.0)) | |
112 | execute('r = testf(10)') |
|
112 | execute('r = testf(10)') | |
113 | r = pull('r') |
|
113 | r = pull('r') | |
114 | self.assertEqual(r, testf(10)) |
|
114 | self.assertEqual(r, testf(10)) | |
115 | ar = self.client[:].push({'testf':testf}, block=False) |
|
115 | ar = self.client[:].push({'testf':testf}, block=False) | |
116 | ar.get() |
|
116 | ar.get() | |
117 | ar = self.client[:].pull('testf', block=False) |
|
117 | ar = self.client[:].pull('testf', block=False) | |
118 | rlist = ar.get() |
|
118 | rlist = ar.get() | |
119 | for r in rlist: |
|
119 | for r in rlist: | |
120 | self.assertEqual(r(1.0), testf(1.0)) |
|
120 | self.assertEqual(r(1.0), testf(1.0)) | |
121 | execute("def g(x): return x*x") |
|
121 | execute("def g(x): return x*x") | |
122 | r = pull(('testf','g')) |
|
122 | r = pull(('testf','g')) | |
123 | self.assertEqual((r[0](10),r[1](10)), (testf(10), 100)) |
|
123 | self.assertEqual((r[0](10),r[1](10)), (testf(10), 100)) | |
124 |
|
124 | |||
125 | def test_push_function_globals(self): |
|
125 | def test_push_function_globals(self): | |
126 | """test that pushed functions have access to globals""" |
|
126 | """test that pushed functions have access to globals""" | |
127 | @interactive |
|
127 | @interactive | |
128 | def geta(): |
|
128 | def geta(): | |
129 | return a |
|
129 | return a | |
130 | # self.add_engines(1) |
|
130 | # self.add_engines(1) | |
131 | v = self.client[-1] |
|
131 | v = self.client[-1] | |
132 | v.block=True |
|
132 | v.block=True | |
133 | v['f'] = geta |
|
133 | v['f'] = geta | |
134 | self.assertRaisesRemote(NameError, v.execute, 'b=f()') |
|
134 | self.assertRaisesRemote(NameError, v.execute, 'b=f()') | |
135 | v.execute('a=5') |
|
135 | v.execute('a=5') | |
136 | v.execute('b=f()') |
|
136 | v.execute('b=f()') | |
137 | self.assertEqual(v['b'], 5) |
|
137 | self.assertEqual(v['b'], 5) | |
138 |
|
138 | |||
139 | def test_push_function_defaults(self): |
|
139 | def test_push_function_defaults(self): | |
140 | """test that pushed functions preserve default args""" |
|
140 | """test that pushed functions preserve default args""" | |
141 | def echo(a=10): |
|
141 | def echo(a=10): | |
142 | return a |
|
142 | return a | |
143 | v = self.client[-1] |
|
143 | v = self.client[-1] | |
144 | v.block=True |
|
144 | v.block=True | |
145 | v['f'] = echo |
|
145 | v['f'] = echo | |
146 | v.execute('b=f()') |
|
146 | v.execute('b=f()') | |
147 | self.assertEqual(v['b'], 10) |
|
147 | self.assertEqual(v['b'], 10) | |
148 |
|
148 | |||
149 | def test_get_result(self): |
|
149 | def test_get_result(self): | |
150 | """test getting results from the Hub.""" |
|
150 | """test getting results from the Hub.""" | |
151 | c = pmod.Client(profile='iptest') |
|
151 | c = pmod.Client(profile='iptest') | |
152 | # self.add_engines(1) |
|
152 | # self.add_engines(1) | |
153 | t = c.ids[-1] |
|
153 | t = c.ids[-1] | |
154 | v = c[t] |
|
154 | v = c[t] | |
155 | v2 = self.client[t] |
|
155 | v2 = self.client[t] | |
156 | ar = v.apply_async(wait, 1) |
|
156 | ar = v.apply_async(wait, 1) | |
157 | # give the monitor time to notice the message |
|
157 | # give the monitor time to notice the message | |
158 | time.sleep(.25) |
|
158 | time.sleep(.25) | |
159 | ahr = v2.get_result(ar.msg_ids) |
|
159 | ahr = v2.get_result(ar.msg_ids[0]) | |
160 | self.assertTrue(isinstance(ahr, AsyncHubResult)) |
|
160 | self.assertTrue(isinstance(ahr, AsyncHubResult)) | |
161 | self.assertEqual(ahr.get(), ar.get()) |
|
161 | self.assertEqual(ahr.get(), ar.get()) | |
162 | ar2 = v2.get_result(ar.msg_ids) |
|
162 | ar2 = v2.get_result(ar.msg_ids[0]) | |
163 | self.assertFalse(isinstance(ar2, AsyncHubResult)) |
|
163 | self.assertFalse(isinstance(ar2, AsyncHubResult)) | |
164 | c.spin() |
|
164 | c.spin() | |
165 | c.close() |
|
165 | c.close() | |
166 |
|
166 | |||
167 | def test_run_newline(self): |
|
167 | def test_run_newline(self): | |
168 | """test that run appends newline to files""" |
|
168 | """test that run appends newline to files""" | |
169 | tmpfile = mktemp() |
|
169 | tmpfile = mktemp() | |
170 | with open(tmpfile, 'w') as f: |
|
170 | with open(tmpfile, 'w') as f: | |
171 | f.write("""def g(): |
|
171 | f.write("""def g(): | |
172 | return 5 |
|
172 | return 5 | |
173 | """) |
|
173 | """) | |
174 | v = self.client[-1] |
|
174 | v = self.client[-1] | |
175 | v.run(tmpfile, block=True) |
|
175 | v.run(tmpfile, block=True) | |
176 | self.assertEqual(v.apply_sync(lambda f: f(), pmod.Reference('g')), 5) |
|
176 | self.assertEqual(v.apply_sync(lambda f: f(), pmod.Reference('g')), 5) | |
177 |
|
177 | |||
178 | def test_apply_tracked(self): |
|
178 | def test_apply_tracked(self): | |
179 | """test tracking for apply""" |
|
179 | """test tracking for apply""" | |
180 | # self.add_engines(1) |
|
180 | # self.add_engines(1) | |
181 | t = self.client.ids[-1] |
|
181 | t = self.client.ids[-1] | |
182 | v = self.client[t] |
|
182 | v = self.client[t] | |
183 | v.block=False |
|
183 | v.block=False | |
184 | def echo(n=1024*1024, **kwargs): |
|
184 | def echo(n=1024*1024, **kwargs): | |
185 | with v.temp_flags(**kwargs): |
|
185 | with v.temp_flags(**kwargs): | |
186 | return v.apply(lambda x: x, 'x'*n) |
|
186 | return v.apply(lambda x: x, 'x'*n) | |
187 | ar = echo(1, track=False) |
|
187 | ar = echo(1, track=False) | |
188 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
188 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
189 | self.assertTrue(ar.sent) |
|
189 | self.assertTrue(ar.sent) | |
190 | ar = echo(track=True) |
|
190 | ar = echo(track=True) | |
191 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
191 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
192 | self.assertEqual(ar.sent, ar._tracker.done) |
|
192 | self.assertEqual(ar.sent, ar._tracker.done) | |
193 | ar._tracker.wait() |
|
193 | ar._tracker.wait() | |
194 | self.assertTrue(ar.sent) |
|
194 | self.assertTrue(ar.sent) | |
195 |
|
195 | |||
196 | def test_push_tracked(self): |
|
196 | def test_push_tracked(self): | |
197 | t = self.client.ids[-1] |
|
197 | t = self.client.ids[-1] | |
198 | ns = dict(x='x'*1024*1024) |
|
198 | ns = dict(x='x'*1024*1024) | |
199 | v = self.client[t] |
|
199 | v = self.client[t] | |
200 | ar = v.push(ns, block=False, track=False) |
|
200 | ar = v.push(ns, block=False, track=False) | |
201 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
201 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
202 | self.assertTrue(ar.sent) |
|
202 | self.assertTrue(ar.sent) | |
203 |
|
203 | |||
204 | ar = v.push(ns, block=False, track=True) |
|
204 | ar = v.push(ns, block=False, track=True) | |
205 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
205 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
206 | ar._tracker.wait() |
|
206 | ar._tracker.wait() | |
207 | self.assertEqual(ar.sent, ar._tracker.done) |
|
207 | self.assertEqual(ar.sent, ar._tracker.done) | |
208 | self.assertTrue(ar.sent) |
|
208 | self.assertTrue(ar.sent) | |
209 | ar.get() |
|
209 | ar.get() | |
210 |
|
210 | |||
211 | def test_scatter_tracked(self): |
|
211 | def test_scatter_tracked(self): | |
212 | t = self.client.ids |
|
212 | t = self.client.ids | |
213 | x='x'*1024*1024 |
|
213 | x='x'*1024*1024 | |
214 | ar = self.client[t].scatter('x', x, block=False, track=False) |
|
214 | ar = self.client[t].scatter('x', x, block=False, track=False) | |
215 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
215 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
216 | self.assertTrue(ar.sent) |
|
216 | self.assertTrue(ar.sent) | |
217 |
|
217 | |||
218 | ar = self.client[t].scatter('x', x, block=False, track=True) |
|
218 | ar = self.client[t].scatter('x', x, block=False, track=True) | |
219 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
219 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
220 | self.assertEqual(ar.sent, ar._tracker.done) |
|
220 | self.assertEqual(ar.sent, ar._tracker.done) | |
221 | ar._tracker.wait() |
|
221 | ar._tracker.wait() | |
222 | self.assertTrue(ar.sent) |
|
222 | self.assertTrue(ar.sent) | |
223 | ar.get() |
|
223 | ar.get() | |
224 |
|
224 | |||
225 | def test_remote_reference(self): |
|
225 | def test_remote_reference(self): | |
226 | v = self.client[-1] |
|
226 | v = self.client[-1] | |
227 | v['a'] = 123 |
|
227 | v['a'] = 123 | |
228 | ra = pmod.Reference('a') |
|
228 | ra = pmod.Reference('a') | |
229 | b = v.apply_sync(lambda x: x, ra) |
|
229 | b = v.apply_sync(lambda x: x, ra) | |
230 | self.assertEqual(b, 123) |
|
230 | self.assertEqual(b, 123) | |
231 |
|
231 | |||
232 |
|
232 | |||
233 | def test_scatter_gather(self): |
|
233 | def test_scatter_gather(self): | |
234 | view = self.client[:] |
|
234 | view = self.client[:] | |
235 | seq1 = range(16) |
|
235 | seq1 = range(16) | |
236 | view.scatter('a', seq1) |
|
236 | view.scatter('a', seq1) | |
237 | seq2 = view.gather('a', block=True) |
|
237 | seq2 = view.gather('a', block=True) | |
238 | self.assertEqual(seq2, seq1) |
|
238 | self.assertEqual(seq2, seq1) | |
239 | self.assertRaisesRemote(NameError, view.gather, 'asdf', block=True) |
|
239 | self.assertRaisesRemote(NameError, view.gather, 'asdf', block=True) | |
240 |
|
240 | |||
241 | @skip_without('numpy') |
|
241 | @skip_without('numpy') | |
242 | def test_scatter_gather_numpy(self): |
|
242 | def test_scatter_gather_numpy(self): | |
243 | import numpy |
|
243 | import numpy | |
244 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal |
|
244 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal | |
245 | view = self.client[:] |
|
245 | view = self.client[:] | |
246 | a = numpy.arange(64) |
|
246 | a = numpy.arange(64) | |
247 | view.scatter('a', a, block=True) |
|
247 | view.scatter('a', a, block=True) | |
248 | b = view.gather('a', block=True) |
|
248 | b = view.gather('a', block=True) | |
249 | assert_array_equal(b, a) |
|
249 | assert_array_equal(b, a) | |
250 |
|
250 | |||
251 | def test_scatter_gather_lazy(self): |
|
251 | def test_scatter_gather_lazy(self): | |
252 | """scatter/gather with targets='all'""" |
|
252 | """scatter/gather with targets='all'""" | |
253 | view = self.client.direct_view(targets='all') |
|
253 | view = self.client.direct_view(targets='all') | |
254 | x = range(64) |
|
254 | x = range(64) | |
255 | view.scatter('x', x) |
|
255 | view.scatter('x', x) | |
256 | gathered = view.gather('x', block=True) |
|
256 | gathered = view.gather('x', block=True) | |
257 | self.assertEqual(gathered, x) |
|
257 | self.assertEqual(gathered, x) | |
258 |
|
258 | |||
259 |
|
259 | |||
260 | @dec.known_failure_py3 |
|
260 | @dec.known_failure_py3 | |
261 | @skip_without('numpy') |
|
261 | @skip_without('numpy') | |
262 | def test_push_numpy_nocopy(self): |
|
262 | def test_push_numpy_nocopy(self): | |
263 | import numpy |
|
263 | import numpy | |
264 | view = self.client[:] |
|
264 | view = self.client[:] | |
265 | a = numpy.arange(64) |
|
265 | a = numpy.arange(64) | |
266 | view['A'] = a |
|
266 | view['A'] = a | |
267 | @interactive |
|
267 | @interactive | |
268 | def check_writeable(x): |
|
268 | def check_writeable(x): | |
269 | return x.flags.writeable |
|
269 | return x.flags.writeable | |
270 |
|
270 | |||
271 | for flag in view.apply_sync(check_writeable, pmod.Reference('A')): |
|
271 | for flag in view.apply_sync(check_writeable, pmod.Reference('A')): | |
272 | self.assertFalse(flag, "array is writeable, push shouldn't have pickled it") |
|
272 | self.assertFalse(flag, "array is writeable, push shouldn't have pickled it") | |
273 |
|
273 | |||
274 | view.push(dict(B=a)) |
|
274 | view.push(dict(B=a)) | |
275 | for flag in view.apply_sync(check_writeable, pmod.Reference('B')): |
|
275 | for flag in view.apply_sync(check_writeable, pmod.Reference('B')): | |
276 | self.assertFalse(flag, "array is writeable, push shouldn't have pickled it") |
|
276 | self.assertFalse(flag, "array is writeable, push shouldn't have pickled it") | |
277 |
|
277 | |||
278 | @skip_without('numpy') |
|
278 | @skip_without('numpy') | |
279 | def test_apply_numpy(self): |
|
279 | def test_apply_numpy(self): | |
280 | """view.apply(f, ndarray)""" |
|
280 | """view.apply(f, ndarray)""" | |
281 | import numpy |
|
281 | import numpy | |
282 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal |
|
282 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal | |
283 |
|
283 | |||
284 | A = numpy.random.random((100,100)) |
|
284 | A = numpy.random.random((100,100)) | |
285 | view = self.client[-1] |
|
285 | view = self.client[-1] | |
286 | for dt in [ 'int32', 'uint8', 'float32', 'float64' ]: |
|
286 | for dt in [ 'int32', 'uint8', 'float32', 'float64' ]: | |
287 | B = A.astype(dt) |
|
287 | B = A.astype(dt) | |
288 | C = view.apply_sync(lambda x:x, B) |
|
288 | C = view.apply_sync(lambda x:x, B) | |
289 | assert_array_equal(B,C) |
|
289 | assert_array_equal(B,C) | |
290 |
|
290 | |||
291 | @skip_without('numpy') |
|
291 | @skip_without('numpy') | |
292 | def test_push_pull_recarray(self): |
|
292 | def test_push_pull_recarray(self): | |
293 | """push/pull recarrays""" |
|
293 | """push/pull recarrays""" | |
294 | import numpy |
|
294 | import numpy | |
295 | from numpy.testing.utils import assert_array_equal |
|
295 | from numpy.testing.utils import assert_array_equal | |
296 |
|
296 | |||
297 | view = self.client[-1] |
|
297 | view = self.client[-1] | |
298 |
|
298 | |||
299 | R = numpy.array([ |
|
299 | R = numpy.array([ | |
300 | (1, 'hi', 0.), |
|
300 | (1, 'hi', 0.), | |
301 | (2**30, 'there', 2.5), |
|
301 | (2**30, 'there', 2.5), | |
302 | (-99999, 'world', -12345.6789), |
|
302 | (-99999, 'world', -12345.6789), | |
303 | ], [('n', int), ('s', '|S10'), ('f', float)]) |
|
303 | ], [('n', int), ('s', '|S10'), ('f', float)]) | |
304 |
|
304 | |||
305 | view['RR'] = R |
|
305 | view['RR'] = R | |
306 | R2 = view['RR'] |
|
306 | R2 = view['RR'] | |
307 |
|
307 | |||
308 | r_dtype, r_shape = view.apply_sync(interactive(lambda : (RR.dtype, RR.shape))) |
|
308 | r_dtype, r_shape = view.apply_sync(interactive(lambda : (RR.dtype, RR.shape))) | |
309 | self.assertEqual(r_dtype, R.dtype) |
|
309 | self.assertEqual(r_dtype, R.dtype) | |
310 | self.assertEqual(r_shape, R.shape) |
|
310 | self.assertEqual(r_shape, R.shape) | |
311 | self.assertEqual(R2.dtype, R.dtype) |
|
311 | self.assertEqual(R2.dtype, R.dtype) | |
312 | self.assertEqual(R2.shape, R.shape) |
|
312 | self.assertEqual(R2.shape, R.shape) | |
313 | assert_array_equal(R2, R) |
|
313 | assert_array_equal(R2, R) | |
314 |
|
314 | |||
315 | @skip_without('pandas') |
|
315 | @skip_without('pandas') | |
316 | def test_push_pull_timeseries(self): |
|
316 | def test_push_pull_timeseries(self): | |
317 | """push/pull pandas.TimeSeries""" |
|
317 | """push/pull pandas.TimeSeries""" | |
318 | import pandas |
|
318 | import pandas | |
319 |
|
319 | |||
320 | ts = pandas.TimeSeries(range(10)) |
|
320 | ts = pandas.TimeSeries(range(10)) | |
321 |
|
321 | |||
322 | view = self.client[-1] |
|
322 | view = self.client[-1] | |
323 |
|
323 | |||
324 | view.push(dict(ts=ts), block=True) |
|
324 | view.push(dict(ts=ts), block=True) | |
325 | rts = view['ts'] |
|
325 | rts = view['ts'] | |
326 |
|
326 | |||
327 | self.assertEqual(type(rts), type(ts)) |
|
327 | self.assertEqual(type(rts), type(ts)) | |
328 | self.assertTrue((ts == rts).all()) |
|
328 | self.assertTrue((ts == rts).all()) | |
329 |
|
329 | |||
330 | def test_map(self): |
|
330 | def test_map(self): | |
331 | view = self.client[:] |
|
331 | view = self.client[:] | |
332 | def f(x): |
|
332 | def f(x): | |
333 | return x**2 |
|
333 | return x**2 | |
334 | data = range(16) |
|
334 | data = range(16) | |
335 | r = view.map_sync(f, data) |
|
335 | r = view.map_sync(f, data) | |
336 | self.assertEqual(r, map(f, data)) |
|
336 | self.assertEqual(r, map(f, data)) | |
337 |
|
337 | |||
338 | def test_map_iterable(self): |
|
338 | def test_map_iterable(self): | |
339 | """test map on iterables (direct)""" |
|
339 | """test map on iterables (direct)""" | |
340 | view = self.client[:] |
|
340 | view = self.client[:] | |
341 | # 101 is prime, so it won't be evenly distributed |
|
341 | # 101 is prime, so it won't be evenly distributed | |
342 | arr = range(101) |
|
342 | arr = range(101) | |
343 | # ensure it will be an iterator, even in Python 3 |
|
343 | # ensure it will be an iterator, even in Python 3 | |
344 | it = iter(arr) |
|
344 | it = iter(arr) | |
345 | r = view.map_sync(lambda x:x, arr) |
|
345 | r = view.map_sync(lambda x:x, arr) | |
346 | self.assertEqual(r, list(arr)) |
|
346 | self.assertEqual(r, list(arr)) | |
347 |
|
347 | |||
348 | def test_scatter_gather_nonblocking(self): |
|
348 | def test_scatter_gather_nonblocking(self): | |
349 | data = range(16) |
|
349 | data = range(16) | |
350 | view = self.client[:] |
|
350 | view = self.client[:] | |
351 | view.scatter('a', data, block=False) |
|
351 | view.scatter('a', data, block=False) | |
352 | ar = view.gather('a', block=False) |
|
352 | ar = view.gather('a', block=False) | |
353 | self.assertEqual(ar.get(), data) |
|
353 | self.assertEqual(ar.get(), data) | |
354 |
|
354 | |||
355 | @skip_without('numpy') |
|
355 | @skip_without('numpy') | |
356 | def test_scatter_gather_numpy_nonblocking(self): |
|
356 | def test_scatter_gather_numpy_nonblocking(self): | |
357 | import numpy |
|
357 | import numpy | |
358 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal |
|
358 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal | |
359 | a = numpy.arange(64) |
|
359 | a = numpy.arange(64) | |
360 | view = self.client[:] |
|
360 | view = self.client[:] | |
361 | ar = view.scatter('a', a, block=False) |
|
361 | ar = view.scatter('a', a, block=False) | |
362 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
362 | self.assertTrue(isinstance(ar, AsyncResult)) | |
363 | amr = view.gather('a', block=False) |
|
363 | amr = view.gather('a', block=False) | |
364 | self.assertTrue(isinstance(amr, AsyncMapResult)) |
|
364 | self.assertTrue(isinstance(amr, AsyncMapResult)) | |
365 | assert_array_equal(amr.get(), a) |
|
365 | assert_array_equal(amr.get(), a) | |
366 |
|
366 | |||
367 | def test_execute(self): |
|
367 | def test_execute(self): | |
368 | view = self.client[:] |
|
368 | view = self.client[:] | |
369 | # self.client.debug=True |
|
369 | # self.client.debug=True | |
370 | execute = view.execute |
|
370 | execute = view.execute | |
371 | ar = execute('c=30', block=False) |
|
371 | ar = execute('c=30', block=False) | |
372 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
372 | self.assertTrue(isinstance(ar, AsyncResult)) | |
373 | ar = execute('d=[0,1,2]', block=False) |
|
373 | ar = execute('d=[0,1,2]', block=False) | |
374 | self.client.wait(ar, 1) |
|
374 | self.client.wait(ar, 1) | |
375 | self.assertEqual(len(ar.get()), len(self.client)) |
|
375 | self.assertEqual(len(ar.get()), len(self.client)) | |
376 | for c in view['c']: |
|
376 | for c in view['c']: | |
377 | self.assertEqual(c, 30) |
|
377 | self.assertEqual(c, 30) | |
378 |
|
378 | |||
379 | def test_abort(self): |
|
379 | def test_abort(self): | |
380 | view = self.client[-1] |
|
380 | view = self.client[-1] | |
381 | ar = view.execute('import time; time.sleep(1)', block=False) |
|
381 | ar = view.execute('import time; time.sleep(1)', block=False) | |
382 | ar2 = view.apply_async(lambda : 2) |
|
382 | ar2 = view.apply_async(lambda : 2) | |
383 | ar3 = view.apply_async(lambda : 3) |
|
383 | ar3 = view.apply_async(lambda : 3) | |
384 | view.abort(ar2) |
|
384 | view.abort(ar2) | |
385 | view.abort(ar3.msg_ids) |
|
385 | view.abort(ar3.msg_ids) | |
386 | self.assertRaises(error.TaskAborted, ar2.get) |
|
386 | self.assertRaises(error.TaskAborted, ar2.get) | |
387 | self.assertRaises(error.TaskAborted, ar3.get) |
|
387 | self.assertRaises(error.TaskAborted, ar3.get) | |
388 |
|
388 | |||
389 | def test_abort_all(self): |
|
389 | def test_abort_all(self): | |
390 | """view.abort() aborts all outstanding tasks""" |
|
390 | """view.abort() aborts all outstanding tasks""" | |
391 | view = self.client[-1] |
|
391 | view = self.client[-1] | |
392 | ars = [ view.apply_async(time.sleep, 0.25) for i in range(10) ] |
|
392 | ars = [ view.apply_async(time.sleep, 0.25) for i in range(10) ] | |
393 | view.abort() |
|
393 | view.abort() | |
394 | view.wait(timeout=5) |
|
394 | view.wait(timeout=5) | |
395 | for ar in ars[5:]: |
|
395 | for ar in ars[5:]: | |
396 | self.assertRaises(error.TaskAborted, ar.get) |
|
396 | self.assertRaises(error.TaskAborted, ar.get) | |
397 |
|
397 | |||
398 | def test_temp_flags(self): |
|
398 | def test_temp_flags(self): | |
399 | view = self.client[-1] |
|
399 | view = self.client[-1] | |
400 | view.block=True |
|
400 | view.block=True | |
401 | with view.temp_flags(block=False): |
|
401 | with view.temp_flags(block=False): | |
402 | self.assertFalse(view.block) |
|
402 | self.assertFalse(view.block) | |
403 | self.assertTrue(view.block) |
|
403 | self.assertTrue(view.block) | |
404 |
|
404 | |||
405 | @dec.known_failure_py3 |
|
405 | @dec.known_failure_py3 | |
406 | def test_importer(self): |
|
406 | def test_importer(self): | |
407 | view = self.client[-1] |
|
407 | view = self.client[-1] | |
408 | view.clear(block=True) |
|
408 | view.clear(block=True) | |
409 | with view.importer: |
|
409 | with view.importer: | |
410 | import re |
|
410 | import re | |
411 |
|
411 | |||
412 | @interactive |
|
412 | @interactive | |
413 | def findall(pat, s): |
|
413 | def findall(pat, s): | |
414 | # this globals() step isn't necessary in real code |
|
414 | # this globals() step isn't necessary in real code | |
415 | # only to prevent a closure in the test |
|
415 | # only to prevent a closure in the test | |
416 | re = globals()['re'] |
|
416 | re = globals()['re'] | |
417 | return re.findall(pat, s) |
|
417 | return re.findall(pat, s) | |
418 |
|
418 | |||
419 | self.assertEqual(view.apply_sync(findall, '\w+', 'hello world'), 'hello world'.split()) |
|
419 | self.assertEqual(view.apply_sync(findall, '\w+', 'hello world'), 'hello world'.split()) | |
420 |
|
420 | |||
421 | def test_unicode_execute(self): |
|
421 | def test_unicode_execute(self): | |
422 | """test executing unicode strings""" |
|
422 | """test executing unicode strings""" | |
423 | v = self.client[-1] |
|
423 | v = self.client[-1] | |
424 | v.block=True |
|
424 | v.block=True | |
425 | if sys.version_info[0] >= 3: |
|
425 | if sys.version_info[0] >= 3: | |
426 | code="a='é'" |
|
426 | code="a='é'" | |
427 | else: |
|
427 | else: | |
428 | code=u"a=u'é'" |
|
428 | code=u"a=u'é'" | |
429 | v.execute(code) |
|
429 | v.execute(code) | |
430 | self.assertEqual(v['a'], u'é') |
|
430 | self.assertEqual(v['a'], u'é') | |
431 |
|
431 | |||
432 | def test_unicode_apply_result(self): |
|
432 | def test_unicode_apply_result(self): | |
433 | """test unicode apply results""" |
|
433 | """test unicode apply results""" | |
434 | v = self.client[-1] |
|
434 | v = self.client[-1] | |
435 | r = v.apply_sync(lambda : u'é') |
|
435 | r = v.apply_sync(lambda : u'é') | |
436 | self.assertEqual(r, u'é') |
|
436 | self.assertEqual(r, u'é') | |
437 |
|
437 | |||
438 | def test_unicode_apply_arg(self): |
|
438 | def test_unicode_apply_arg(self): | |
439 | """test passing unicode arguments to apply""" |
|
439 | """test passing unicode arguments to apply""" | |
440 | v = self.client[-1] |
|
440 | v = self.client[-1] | |
441 |
|
441 | |||
442 | @interactive |
|
442 | @interactive | |
443 | def check_unicode(a, check): |
|
443 | def check_unicode(a, check): | |
444 | assert isinstance(a, unicode), "%r is not unicode"%a |
|
444 | assert isinstance(a, unicode), "%r is not unicode"%a | |
445 | assert isinstance(check, bytes), "%r is not bytes"%check |
|
445 | assert isinstance(check, bytes), "%r is not bytes"%check | |
446 | assert a.encode('utf8') == check, "%s != %s"%(a,check) |
|
446 | assert a.encode('utf8') == check, "%s != %s"%(a,check) | |
447 |
|
447 | |||
448 | for s in [ u'é', u'ßø®∫',u'asdf' ]: |
|
448 | for s in [ u'é', u'ßø®∫',u'asdf' ]: | |
449 | try: |
|
449 | try: | |
450 | v.apply_sync(check_unicode, s, s.encode('utf8')) |
|
450 | v.apply_sync(check_unicode, s, s.encode('utf8')) | |
451 | except error.RemoteError as e: |
|
451 | except error.RemoteError as e: | |
452 | if e.ename == 'AssertionError': |
|
452 | if e.ename == 'AssertionError': | |
453 | self.fail(e.evalue) |
|
453 | self.fail(e.evalue) | |
454 | else: |
|
454 | else: | |
455 | raise e |
|
455 | raise e | |
456 |
|
456 | |||
457 | def test_map_reference(self): |
|
457 | def test_map_reference(self): | |
458 | """view.map(<Reference>, *seqs) should work""" |
|
458 | """view.map(<Reference>, *seqs) should work""" | |
459 | v = self.client[:] |
|
459 | v = self.client[:] | |
460 | v.scatter('n', self.client.ids, flatten=True) |
|
460 | v.scatter('n', self.client.ids, flatten=True) | |
461 | v.execute("f = lambda x,y: x*y") |
|
461 | v.execute("f = lambda x,y: x*y") | |
462 | rf = pmod.Reference('f') |
|
462 | rf = pmod.Reference('f') | |
463 | nlist = list(range(10)) |
|
463 | nlist = list(range(10)) | |
464 | mlist = nlist[::-1] |
|
464 | mlist = nlist[::-1] | |
465 | expected = [ m*n for m,n in zip(mlist, nlist) ] |
|
465 | expected = [ m*n for m,n in zip(mlist, nlist) ] | |
466 | result = v.map_sync(rf, mlist, nlist) |
|
466 | result = v.map_sync(rf, mlist, nlist) | |
467 | self.assertEqual(result, expected) |
|
467 | self.assertEqual(result, expected) | |
468 |
|
468 | |||
469 | def test_apply_reference(self): |
|
469 | def test_apply_reference(self): | |
470 | """view.apply(<Reference>, *args) should work""" |
|
470 | """view.apply(<Reference>, *args) should work""" | |
471 | v = self.client[:] |
|
471 | v = self.client[:] | |
472 | v.scatter('n', self.client.ids, flatten=True) |
|
472 | v.scatter('n', self.client.ids, flatten=True) | |
473 | v.execute("f = lambda x: n*x") |
|
473 | v.execute("f = lambda x: n*x") | |
474 | rf = pmod.Reference('f') |
|
474 | rf = pmod.Reference('f') | |
475 | result = v.apply_sync(rf, 5) |
|
475 | result = v.apply_sync(rf, 5) | |
476 | expected = [ 5*id for id in self.client.ids ] |
|
476 | expected = [ 5*id for id in self.client.ids ] | |
477 | self.assertEqual(result, expected) |
|
477 | self.assertEqual(result, expected) | |
478 |
|
478 | |||
479 | def test_eval_reference(self): |
|
479 | def test_eval_reference(self): | |
480 | v = self.client[self.client.ids[0]] |
|
480 | v = self.client[self.client.ids[0]] | |
481 | v['g'] = range(5) |
|
481 | v['g'] = range(5) | |
482 | rg = pmod.Reference('g[0]') |
|
482 | rg = pmod.Reference('g[0]') | |
483 | echo = lambda x:x |
|
483 | echo = lambda x:x | |
484 | self.assertEqual(v.apply_sync(echo, rg), 0) |
|
484 | self.assertEqual(v.apply_sync(echo, rg), 0) | |
485 |
|
485 | |||
486 | def test_reference_nameerror(self): |
|
486 | def test_reference_nameerror(self): | |
487 | v = self.client[self.client.ids[0]] |
|
487 | v = self.client[self.client.ids[0]] | |
488 | r = pmod.Reference('elvis_has_left') |
|
488 | r = pmod.Reference('elvis_has_left') | |
489 | echo = lambda x:x |
|
489 | echo = lambda x:x | |
490 | self.assertRaisesRemote(NameError, v.apply_sync, echo, r) |
|
490 | self.assertRaisesRemote(NameError, v.apply_sync, echo, r) | |
491 |
|
491 | |||
492 | def test_single_engine_map(self): |
|
492 | def test_single_engine_map(self): | |
493 | e0 = self.client[self.client.ids[0]] |
|
493 | e0 = self.client[self.client.ids[0]] | |
494 | r = range(5) |
|
494 | r = range(5) | |
495 | check = [ -1*i for i in r ] |
|
495 | check = [ -1*i for i in r ] | |
496 | result = e0.map_sync(lambda x: -1*x, r) |
|
496 | result = e0.map_sync(lambda x: -1*x, r) | |
497 | self.assertEqual(result, check) |
|
497 | self.assertEqual(result, check) | |
498 |
|
498 | |||
499 | def test_len(self): |
|
499 | def test_len(self): | |
500 | """len(view) makes sense""" |
|
500 | """len(view) makes sense""" | |
501 | e0 = self.client[self.client.ids[0]] |
|
501 | e0 = self.client[self.client.ids[0]] | |
502 | yield self.assertEqual(len(e0), 1) |
|
502 | yield self.assertEqual(len(e0), 1) | |
503 | v = self.client[:] |
|
503 | v = self.client[:] | |
504 | yield self.assertEqual(len(v), len(self.client.ids)) |
|
504 | yield self.assertEqual(len(v), len(self.client.ids)) | |
505 | v = self.client.direct_view('all') |
|
505 | v = self.client.direct_view('all') | |
506 | yield self.assertEqual(len(v), len(self.client.ids)) |
|
506 | yield self.assertEqual(len(v), len(self.client.ids)) | |
507 | v = self.client[:2] |
|
507 | v = self.client[:2] | |
508 | yield self.assertEqual(len(v), 2) |
|
508 | yield self.assertEqual(len(v), 2) | |
509 | v = self.client[:1] |
|
509 | v = self.client[:1] | |
510 | yield self.assertEqual(len(v), 1) |
|
510 | yield self.assertEqual(len(v), 1) | |
511 | v = self.client.load_balanced_view() |
|
511 | v = self.client.load_balanced_view() | |
512 | yield self.assertEqual(len(v), len(self.client.ids)) |
|
512 | yield self.assertEqual(len(v), len(self.client.ids)) | |
513 | # parametric tests seem to require manual closing? |
|
513 | # parametric tests seem to require manual closing? | |
514 | self.client.close() |
|
514 | self.client.close() | |
515 |
|
515 | |||
516 |
|
516 | |||
517 | # begin execute tests |
|
517 | # begin execute tests | |
518 |
|
518 | |||
519 | def test_execute_reply(self): |
|
519 | def test_execute_reply(self): | |
520 | e0 = self.client[self.client.ids[0]] |
|
520 | e0 = self.client[self.client.ids[0]] | |
521 | e0.block = True |
|
521 | e0.block = True | |
522 | ar = e0.execute("5", silent=False) |
|
522 | ar = e0.execute("5", silent=False) | |
523 | er = ar.get() |
|
523 | er = ar.get() | |
524 | self.assertEqual(str(er), "<ExecuteReply[%i]: 5>" % er.execution_count) |
|
524 | self.assertEqual(str(er), "<ExecuteReply[%i]: 5>" % er.execution_count) | |
525 | self.assertEqual(er.pyout['data']['text/plain'], '5') |
|
525 | self.assertEqual(er.pyout['data']['text/plain'], '5') | |
526 |
|
526 | |||
527 | def test_execute_reply_stdout(self): |
|
527 | def test_execute_reply_stdout(self): | |
528 | e0 = self.client[self.client.ids[0]] |
|
528 | e0 = self.client[self.client.ids[0]] | |
529 | e0.block = True |
|
529 | e0.block = True | |
530 | ar = e0.execute("print (5)", silent=False) |
|
530 | ar = e0.execute("print (5)", silent=False) | |
531 | er = ar.get() |
|
531 | er = ar.get() | |
532 | self.assertEqual(er.stdout.strip(), '5') |
|
532 | self.assertEqual(er.stdout.strip(), '5') | |
533 |
|
533 | |||
534 | def test_execute_pyout(self): |
|
534 | def test_execute_pyout(self): | |
535 | """execute triggers pyout with silent=False""" |
|
535 | """execute triggers pyout with silent=False""" | |
536 | view = self.client[:] |
|
536 | view = self.client[:] | |
537 | ar = view.execute("5", silent=False, block=True) |
|
537 | ar = view.execute("5", silent=False, block=True) | |
538 |
|
538 | |||
539 | expected = [{'text/plain' : '5'}] * len(view) |
|
539 | expected = [{'text/plain' : '5'}] * len(view) | |
540 | mimes = [ out['data'] for out in ar.pyout ] |
|
540 | mimes = [ out['data'] for out in ar.pyout ] | |
541 | self.assertEqual(mimes, expected) |
|
541 | self.assertEqual(mimes, expected) | |
542 |
|
542 | |||
543 | def test_execute_silent(self): |
|
543 | def test_execute_silent(self): | |
544 | """execute does not trigger pyout with silent=True""" |
|
544 | """execute does not trigger pyout with silent=True""" | |
545 | view = self.client[:] |
|
545 | view = self.client[:] | |
546 | ar = view.execute("5", block=True) |
|
546 | ar = view.execute("5", block=True) | |
547 | expected = [None] * len(view) |
|
547 | expected = [None] * len(view) | |
548 | self.assertEqual(ar.pyout, expected) |
|
548 | self.assertEqual(ar.pyout, expected) | |
549 |
|
549 | |||
550 | def test_execute_magic(self): |
|
550 | def test_execute_magic(self): | |
551 | """execute accepts IPython commands""" |
|
551 | """execute accepts IPython commands""" | |
552 | view = self.client[:] |
|
552 | view = self.client[:] | |
553 | view.execute("a = 5") |
|
553 | view.execute("a = 5") | |
554 | ar = view.execute("%whos", block=True) |
|
554 | ar = view.execute("%whos", block=True) | |
555 | # this will raise, if that failed |
|
555 | # this will raise, if that failed | |
556 | ar.get(5) |
|
556 | ar.get(5) | |
557 | for stdout in ar.stdout: |
|
557 | for stdout in ar.stdout: | |
558 | lines = stdout.splitlines() |
|
558 | lines = stdout.splitlines() | |
559 | self.assertEqual(lines[0].split(), ['Variable', 'Type', 'Data/Info']) |
|
559 | self.assertEqual(lines[0].split(), ['Variable', 'Type', 'Data/Info']) | |
560 | found = False |
|
560 | found = False | |
561 | for line in lines[2:]: |
|
561 | for line in lines[2:]: | |
562 | split = line.split() |
|
562 | split = line.split() | |
563 | if split == ['a', 'int', '5']: |
|
563 | if split == ['a', 'int', '5']: | |
564 | found = True |
|
564 | found = True | |
565 | break |
|
565 | break | |
566 | self.assertTrue(found, "whos output wrong: %s" % stdout) |
|
566 | self.assertTrue(found, "whos output wrong: %s" % stdout) | |
567 |
|
567 | |||
568 | def test_execute_displaypub(self): |
|
568 | def test_execute_displaypub(self): | |
569 | """execute tracks display_pub output""" |
|
569 | """execute tracks display_pub output""" | |
570 | view = self.client[:] |
|
570 | view = self.client[:] | |
571 | view.execute("from IPython.core.display import *") |
|
571 | view.execute("from IPython.core.display import *") | |
572 | ar = view.execute("[ display(i) for i in range(5) ]", block=True) |
|
572 | ar = view.execute("[ display(i) for i in range(5) ]", block=True) | |
573 |
|
573 | |||
574 | expected = [ {u'text/plain' : unicode(j)} for j in range(5) ] |
|
574 | expected = [ {u'text/plain' : unicode(j)} for j in range(5) ] | |
575 | for outputs in ar.outputs: |
|
575 | for outputs in ar.outputs: | |
576 | mimes = [ out['data'] for out in outputs ] |
|
576 | mimes = [ out['data'] for out in outputs ] | |
577 | self.assertEqual(mimes, expected) |
|
577 | self.assertEqual(mimes, expected) | |
578 |
|
578 | |||
579 | def test_apply_displaypub(self): |
|
579 | def test_apply_displaypub(self): | |
580 | """apply tracks display_pub output""" |
|
580 | """apply tracks display_pub output""" | |
581 | view = self.client[:] |
|
581 | view = self.client[:] | |
582 | view.execute("from IPython.core.display import *") |
|
582 | view.execute("from IPython.core.display import *") | |
583 |
|
583 | |||
584 | @interactive |
|
584 | @interactive | |
585 | def publish(): |
|
585 | def publish(): | |
586 | [ display(i) for i in range(5) ] |
|
586 | [ display(i) for i in range(5) ] | |
587 |
|
587 | |||
588 | ar = view.apply_async(publish) |
|
588 | ar = view.apply_async(publish) | |
589 | ar.get(5) |
|
589 | ar.get(5) | |
590 | expected = [ {u'text/plain' : unicode(j)} for j in range(5) ] |
|
590 | expected = [ {u'text/plain' : unicode(j)} for j in range(5) ] | |
591 | for outputs in ar.outputs: |
|
591 | for outputs in ar.outputs: | |
592 | mimes = [ out['data'] for out in outputs ] |
|
592 | mimes = [ out['data'] for out in outputs ] | |
593 | self.assertEqual(mimes, expected) |
|
593 | self.assertEqual(mimes, expected) | |
594 |
|
594 | |||
595 | def test_execute_raises(self): |
|
595 | def test_execute_raises(self): | |
596 | """exceptions in execute requests raise appropriately""" |
|
596 | """exceptions in execute requests raise appropriately""" | |
597 | view = self.client[-1] |
|
597 | view = self.client[-1] | |
598 | ar = view.execute("1/0") |
|
598 | ar = view.execute("1/0") | |
599 | self.assertRaisesRemote(ZeroDivisionError, ar.get, 2) |
|
599 | self.assertRaisesRemote(ZeroDivisionError, ar.get, 2) | |
600 |
|
600 | |||
601 | def test_remoteerror_render_exception(self): |
|
601 | def test_remoteerror_render_exception(self): | |
602 | """RemoteErrors get nice tracebacks""" |
|
602 | """RemoteErrors get nice tracebacks""" | |
603 | view = self.client[-1] |
|
603 | view = self.client[-1] | |
604 | ar = view.execute("1/0") |
|
604 | ar = view.execute("1/0") | |
605 | ip = get_ipython() |
|
605 | ip = get_ipython() | |
606 | ip.user_ns['ar'] = ar |
|
606 | ip.user_ns['ar'] = ar | |
607 | with capture_output() as io: |
|
607 | with capture_output() as io: | |
608 | ip.run_cell("ar.get(2)") |
|
608 | ip.run_cell("ar.get(2)") | |
609 |
|
609 | |||
610 | self.assertTrue('ZeroDivisionError' in io.stdout, io.stdout) |
|
610 | self.assertTrue('ZeroDivisionError' in io.stdout, io.stdout) | |
611 |
|
611 | |||
612 | def test_compositeerror_render_exception(self): |
|
612 | def test_compositeerror_render_exception(self): | |
613 | """CompositeErrors get nice tracebacks""" |
|
613 | """CompositeErrors get nice tracebacks""" | |
614 | view = self.client[:] |
|
614 | view = self.client[:] | |
615 | ar = view.execute("1/0") |
|
615 | ar = view.execute("1/0") | |
616 | ip = get_ipython() |
|
616 | ip = get_ipython() | |
617 | ip.user_ns['ar'] = ar |
|
617 | ip.user_ns['ar'] = ar | |
618 |
|
618 | |||
619 | with capture_output() as io: |
|
619 | with capture_output() as io: | |
620 | ip.run_cell("ar.get(2)") |
|
620 | ip.run_cell("ar.get(2)") | |
621 |
|
621 | |||
622 | count = min(error.CompositeError.tb_limit, len(view)) |
|
622 | count = min(error.CompositeError.tb_limit, len(view)) | |
623 |
|
623 | |||
624 | self.assertEqual(io.stdout.count('ZeroDivisionError'), count * 2, io.stdout) |
|
624 | self.assertEqual(io.stdout.count('ZeroDivisionError'), count * 2, io.stdout) | |
625 | self.assertEqual(io.stdout.count('by zero'), count, io.stdout) |
|
625 | self.assertEqual(io.stdout.count('by zero'), count, io.stdout) | |
626 | self.assertEqual(io.stdout.count(':execute'), count, io.stdout) |
|
626 | self.assertEqual(io.stdout.count(':execute'), count, io.stdout) | |
627 |
|
627 | |||
628 | def test_compositeerror_truncate(self): |
|
628 | def test_compositeerror_truncate(self): | |
629 | """Truncate CompositeErrors with many exceptions""" |
|
629 | """Truncate CompositeErrors with many exceptions""" | |
630 | view = self.client[:] |
|
630 | view = self.client[:] | |
631 | msg_ids = [] |
|
631 | msg_ids = [] | |
632 | for i in range(10): |
|
632 | for i in range(10): | |
633 | ar = view.execute("1/0") |
|
633 | ar = view.execute("1/0") | |
634 | msg_ids.extend(ar.msg_ids) |
|
634 | msg_ids.extend(ar.msg_ids) | |
635 |
|
635 | |||
636 | ar = self.client.get_result(msg_ids) |
|
636 | ar = self.client.get_result(msg_ids) | |
637 | try: |
|
637 | try: | |
638 | ar.get() |
|
638 | ar.get() | |
639 | except error.CompositeError as _e: |
|
639 | except error.CompositeError as _e: | |
640 | e = _e |
|
640 | e = _e | |
641 | else: |
|
641 | else: | |
642 | self.fail("Should have raised CompositeError") |
|
642 | self.fail("Should have raised CompositeError") | |
643 |
|
643 | |||
644 | lines = e.render_traceback() |
|
644 | lines = e.render_traceback() | |
645 | with capture_output() as io: |
|
645 | with capture_output() as io: | |
646 | e.print_traceback() |
|
646 | e.print_traceback() | |
647 |
|
647 | |||
648 | self.assertTrue("more exceptions" in lines[-1]) |
|
648 | self.assertTrue("more exceptions" in lines[-1]) | |
649 | count = e.tb_limit |
|
649 | count = e.tb_limit | |
650 |
|
650 | |||
651 | self.assertEqual(io.stdout.count('ZeroDivisionError'), 2 * count, io.stdout) |
|
651 | self.assertEqual(io.stdout.count('ZeroDivisionError'), 2 * count, io.stdout) | |
652 | self.assertEqual(io.stdout.count('by zero'), count, io.stdout) |
|
652 | self.assertEqual(io.stdout.count('by zero'), count, io.stdout) | |
653 | self.assertEqual(io.stdout.count(':execute'), count, io.stdout) |
|
653 | self.assertEqual(io.stdout.count(':execute'), count, io.stdout) | |
654 |
|
654 | |||
655 | @dec.skipif_not_matplotlib |
|
655 | @dec.skipif_not_matplotlib | |
656 | def test_magic_pylab(self): |
|
656 | def test_magic_pylab(self): | |
657 | """%pylab works on engines""" |
|
657 | """%pylab works on engines""" | |
658 | view = self.client[-1] |
|
658 | view = self.client[-1] | |
659 | ar = view.execute("%pylab inline") |
|
659 | ar = view.execute("%pylab inline") | |
660 | # at least check if this raised: |
|
660 | # at least check if this raised: | |
661 | reply = ar.get(5) |
|
661 | reply = ar.get(5) | |
662 | # include imports, in case user config |
|
662 | # include imports, in case user config | |
663 | ar = view.execute("plot(rand(100))", silent=False) |
|
663 | ar = view.execute("plot(rand(100))", silent=False) | |
664 | reply = ar.get(5) |
|
664 | reply = ar.get(5) | |
665 | self.assertEqual(len(reply.outputs), 1) |
|
665 | self.assertEqual(len(reply.outputs), 1) | |
666 | output = reply.outputs[0] |
|
666 | output = reply.outputs[0] | |
667 | self.assertTrue("data" in output) |
|
667 | self.assertTrue("data" in output) | |
668 | data = output['data'] |
|
668 | data = output['data'] | |
669 | self.assertTrue("image/png" in data) |
|
669 | self.assertTrue("image/png" in data) | |
670 |
|
670 | |||
671 | def test_func_default_func(self): |
|
671 | def test_func_default_func(self): | |
672 | """interactively defined function as apply func default""" |
|
672 | """interactively defined function as apply func default""" | |
673 | def foo(): |
|
673 | def foo(): | |
674 | return 'foo' |
|
674 | return 'foo' | |
675 |
|
675 | |||
676 | def bar(f=foo): |
|
676 | def bar(f=foo): | |
677 | return f() |
|
677 | return f() | |
678 |
|
678 | |||
679 | view = self.client[-1] |
|
679 | view = self.client[-1] | |
680 | ar = view.apply_async(bar) |
|
680 | ar = view.apply_async(bar) | |
681 | r = ar.get(10) |
|
681 | r = ar.get(10) | |
682 | self.assertEqual(r, 'foo') |
|
682 | self.assertEqual(r, 'foo') | |
683 | def test_data_pub_single(self): |
|
683 | def test_data_pub_single(self): | |
684 | view = self.client[-1] |
|
684 | view = self.client[-1] | |
685 | ar = view.execute('\n'.join([ |
|
685 | ar = view.execute('\n'.join([ | |
686 | 'from IPython.kernel.zmq.datapub import publish_data', |
|
686 | 'from IPython.kernel.zmq.datapub import publish_data', | |
687 | 'for i in range(5):', |
|
687 | 'for i in range(5):', | |
688 | ' publish_data(dict(i=i))' |
|
688 | ' publish_data(dict(i=i))' | |
689 | ]), block=False) |
|
689 | ]), block=False) | |
690 | self.assertTrue(isinstance(ar.data, dict)) |
|
690 | self.assertTrue(isinstance(ar.data, dict)) | |
691 | ar.get(5) |
|
691 | ar.get(5) | |
692 | self.assertEqual(ar.data, dict(i=4)) |
|
692 | self.assertEqual(ar.data, dict(i=4)) | |
693 |
|
693 | |||
694 | def test_data_pub(self): |
|
694 | def test_data_pub(self): | |
695 | view = self.client[:] |
|
695 | view = self.client[:] | |
696 | ar = view.execute('\n'.join([ |
|
696 | ar = view.execute('\n'.join([ | |
697 | 'from IPython.kernel.zmq.datapub import publish_data', |
|
697 | 'from IPython.kernel.zmq.datapub import publish_data', | |
698 | 'for i in range(5):', |
|
698 | 'for i in range(5):', | |
699 | ' publish_data(dict(i=i))' |
|
699 | ' publish_data(dict(i=i))' | |
700 | ]), block=False) |
|
700 | ]), block=False) | |
701 | self.assertTrue(all(isinstance(d, dict) for d in ar.data)) |
|
701 | self.assertTrue(all(isinstance(d, dict) for d in ar.data)) | |
702 | ar.get(5) |
|
702 | ar.get(5) | |
703 | self.assertEqual(ar.data, [dict(i=4)] * len(ar)) |
|
703 | self.assertEqual(ar.data, [dict(i=4)] * len(ar)) | |
704 |
|
704 | |||
705 | def test_can_list_arg(self): |
|
705 | def test_can_list_arg(self): | |
706 | """args in lists are canned""" |
|
706 | """args in lists are canned""" | |
707 | view = self.client[-1] |
|
707 | view = self.client[-1] | |
708 | view['a'] = 128 |
|
708 | view['a'] = 128 | |
709 | rA = pmod.Reference('a') |
|
709 | rA = pmod.Reference('a') | |
710 | ar = view.apply_async(lambda x: x, [rA]) |
|
710 | ar = view.apply_async(lambda x: x, [rA]) | |
711 | r = ar.get(5) |
|
711 | r = ar.get(5) | |
712 | self.assertEqual(r, [128]) |
|
712 | self.assertEqual(r, [128]) | |
713 |
|
713 | |||
714 | def test_can_dict_arg(self): |
|
714 | def test_can_dict_arg(self): | |
715 | """args in dicts are canned""" |
|
715 | """args in dicts are canned""" | |
716 | view = self.client[-1] |
|
716 | view = self.client[-1] | |
717 | view['a'] = 128 |
|
717 | view['a'] = 128 | |
718 | rA = pmod.Reference('a') |
|
718 | rA = pmod.Reference('a') | |
719 | ar = view.apply_async(lambda x: x, dict(foo=rA)) |
|
719 | ar = view.apply_async(lambda x: x, dict(foo=rA)) | |
720 | r = ar.get(5) |
|
720 | r = ar.get(5) | |
721 | self.assertEqual(r, dict(foo=128)) |
|
721 | self.assertEqual(r, dict(foo=128)) | |
722 |
|
722 | |||
723 | def test_can_list_kwarg(self): |
|
723 | def test_can_list_kwarg(self): | |
724 | """kwargs in lists are canned""" |
|
724 | """kwargs in lists are canned""" | |
725 | view = self.client[-1] |
|
725 | view = self.client[-1] | |
726 | view['a'] = 128 |
|
726 | view['a'] = 128 | |
727 | rA = pmod.Reference('a') |
|
727 | rA = pmod.Reference('a') | |
728 | ar = view.apply_async(lambda x=5: x, x=[rA]) |
|
728 | ar = view.apply_async(lambda x=5: x, x=[rA]) | |
729 | r = ar.get(5) |
|
729 | r = ar.get(5) | |
730 | self.assertEqual(r, [128]) |
|
730 | self.assertEqual(r, [128]) | |
731 |
|
731 | |||
732 | def test_can_dict_kwarg(self): |
|
732 | def test_can_dict_kwarg(self): | |
733 | """kwargs in dicts are canned""" |
|
733 | """kwargs in dicts are canned""" | |
734 | view = self.client[-1] |
|
734 | view = self.client[-1] | |
735 | view['a'] = 128 |
|
735 | view['a'] = 128 | |
736 | rA = pmod.Reference('a') |
|
736 | rA = pmod.Reference('a') | |
737 | ar = view.apply_async(lambda x=5: x, dict(foo=rA)) |
|
737 | ar = view.apply_async(lambda x=5: x, dict(foo=rA)) | |
738 | r = ar.get(5) |
|
738 | r = ar.get(5) | |
739 | self.assertEqual(r, dict(foo=128)) |
|
739 | self.assertEqual(r, dict(foo=128)) | |
740 |
|
740 | |||
741 | def test_map_ref(self): |
|
741 | def test_map_ref(self): | |
742 | """view.map works with references""" |
|
742 | """view.map works with references""" | |
743 | view = self.client[:] |
|
743 | view = self.client[:] | |
744 | ranks = sorted(self.client.ids) |
|
744 | ranks = sorted(self.client.ids) | |
745 | view.scatter('rank', ranks, flatten=True) |
|
745 | view.scatter('rank', ranks, flatten=True) | |
746 | rrank = pmod.Reference('rank') |
|
746 | rrank = pmod.Reference('rank') | |
747 |
|
747 | |||
748 | amr = view.map_async(lambda x: x*2, [rrank] * len(view)) |
|
748 | amr = view.map_async(lambda x: x*2, [rrank] * len(view)) | |
749 | drank = amr.get(5) |
|
749 | drank = amr.get(5) | |
750 | self.assertEqual(drank, [ r*2 for r in ranks ]) |
|
750 | self.assertEqual(drank, [ r*2 for r in ranks ]) | |
751 |
|
751 | |||
752 | def test_nested_getitem_setitem(self): |
|
752 | def test_nested_getitem_setitem(self): | |
753 | """get and set with view['a.b']""" |
|
753 | """get and set with view['a.b']""" | |
754 | view = self.client[-1] |
|
754 | view = self.client[-1] | |
755 | view.execute('\n'.join([ |
|
755 | view.execute('\n'.join([ | |
756 | 'class A(object): pass', |
|
756 | 'class A(object): pass', | |
757 | 'a = A()', |
|
757 | 'a = A()', | |
758 | 'a.b = 128', |
|
758 | 'a.b = 128', | |
759 | ]), block=True) |
|
759 | ]), block=True) | |
760 | ra = pmod.Reference('a') |
|
760 | ra = pmod.Reference('a') | |
761 |
|
761 | |||
762 | r = view.apply_sync(lambda x: x.b, ra) |
|
762 | r = view.apply_sync(lambda x: x.b, ra) | |
763 | self.assertEqual(r, 128) |
|
763 | self.assertEqual(r, 128) | |
764 | self.assertEqual(view['a.b'], 128) |
|
764 | self.assertEqual(view['a.b'], 128) | |
765 |
|
765 | |||
766 | view['a.b'] = 0 |
|
766 | view['a.b'] = 0 | |
767 |
|
767 | |||
768 | r = view.apply_sync(lambda x: x.b, ra) |
|
768 | r = view.apply_sync(lambda x: x.b, ra) | |
769 | self.assertEqual(r, 0) |
|
769 | self.assertEqual(r, 0) | |
770 | self.assertEqual(view['a.b'], 0) |
|
770 | self.assertEqual(view['a.b'], 0) | |
771 |
|
771 | |||
772 | def test_return_namedtuple(self): |
|
772 | def test_return_namedtuple(self): | |
773 | def namedtuplify(x, y): |
|
773 | def namedtuplify(x, y): | |
774 | from IPython.parallel.tests.test_view import point |
|
774 | from IPython.parallel.tests.test_view import point | |
775 | return point(x, y) |
|
775 | return point(x, y) | |
776 |
|
776 | |||
777 | view = self.client[-1] |
|
777 | view = self.client[-1] | |
778 | p = view.apply_sync(namedtuplify, 1, 2) |
|
778 | p = view.apply_sync(namedtuplify, 1, 2) | |
779 | self.assertEqual(p.x, 1) |
|
779 | self.assertEqual(p.x, 1) | |
780 | self.assertEqual(p.y, 2) |
|
780 | self.assertEqual(p.y, 2) | |
781 |
|
781 | |||
782 | def test_apply_namedtuple(self): |
|
782 | def test_apply_namedtuple(self): | |
783 | def echoxy(p): |
|
783 | def echoxy(p): | |
784 | return p.y, p.x |
|
784 | return p.y, p.x | |
785 |
|
785 | |||
786 | view = self.client[-1] |
|
786 | view = self.client[-1] | |
787 | tup = view.apply_sync(echoxy, point(1, 2)) |
|
787 | tup = view.apply_sync(echoxy, point(1, 2)) | |
788 | self.assertEqual(tup, (2,1)) |
|
788 | self.assertEqual(tup, (2,1)) | |
789 |
|
789 |
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