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@@ -1,285 +1,276 b'' | |||||
1 | """Remote Functions and decorators for Views. |
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1 | """Remote Functions and decorators for Views.""" | |
2 |
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2 | |||
3 | Authors: |
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3 | # Copyright (c) IPython Development Team. | |
4 |
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4 | # Distributed under the terms of the Modified BSD License. | ||
5 | * Brian Granger |
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6 | * Min RK |
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7 | """ |
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8 | #----------------------------------------------------------------------------- |
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9 | # Copyright (C) 2010-2011 The IPython Development Team |
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10 | # |
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11 | # Distributed under the terms of the BSD License. The full license is in |
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12 | # the file COPYING, distributed as part of this software. |
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13 | #----------------------------------------------------------------------------- |
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14 |
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15 | #----------------------------------------------------------------------------- |
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16 | # Imports |
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17 | #----------------------------------------------------------------------------- |
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18 |
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5 | |||
19 | from __future__ import division |
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6 | from __future__ import division | |
20 |
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7 | |||
21 | import sys |
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8 | import sys | |
22 | import warnings |
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9 | import warnings | |
23 |
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10 | |||
24 | from IPython.external.decorator import decorator |
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11 | from IPython.external.decorator import decorator | |
25 | from IPython.testing.skipdoctest import skip_doctest |
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12 | from IPython.testing.skipdoctest import skip_doctest | |
26 |
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13 | |||
27 | from . import map as Map |
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14 | from . import map as Map | |
28 | from .asyncresult import AsyncMapResult |
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15 | from .asyncresult import AsyncMapResult | |
29 |
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16 | |||
30 | #----------------------------------------------------------------------------- |
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17 | #----------------------------------------------------------------------------- | |
31 | # Functions and Decorators |
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18 | # Functions and Decorators | |
32 | #----------------------------------------------------------------------------- |
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19 | #----------------------------------------------------------------------------- | |
33 |
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20 | |||
34 | @skip_doctest |
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21 | @skip_doctest | |
35 | def remote(view, block=None, **flags): |
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22 | def remote(view, block=None, **flags): | |
36 | """Turn a function into a remote function. |
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23 | """Turn a function into a remote function. | |
37 |
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24 | |||
38 | This method can be used for map: |
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25 | This method can be used for map: | |
39 |
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26 | |||
40 | In [1]: @remote(view,block=True) |
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27 | In [1]: @remote(view,block=True) | |
41 | ...: def func(a): |
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28 | ...: def func(a): | |
42 | ...: pass |
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29 | ...: pass | |
43 | """ |
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30 | """ | |
44 |
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31 | |||
45 | def remote_function(f): |
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32 | def remote_function(f): | |
46 | return RemoteFunction(view, f, block=block, **flags) |
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33 | return RemoteFunction(view, f, block=block, **flags) | |
47 | return remote_function |
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34 | return remote_function | |
48 |
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35 | |||
49 | @skip_doctest |
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36 | @skip_doctest | |
50 | def parallel(view, dist='b', block=None, ordered=True, **flags): |
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37 | def parallel(view, dist='b', block=None, ordered=True, **flags): | |
51 | """Turn a function into a parallel remote function. |
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38 | """Turn a function into a parallel remote function. | |
52 |
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39 | |||
53 | This method can be used for map: |
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40 | This method can be used for map: | |
54 |
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41 | |||
55 | In [1]: @parallel(view, block=True) |
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42 | In [1]: @parallel(view, block=True) | |
56 | ...: def func(a): |
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43 | ...: def func(a): | |
57 | ...: pass |
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44 | ...: pass | |
58 | """ |
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45 | """ | |
59 |
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46 | |||
60 | def parallel_function(f): |
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47 | def parallel_function(f): | |
61 | return ParallelFunction(view, f, dist=dist, block=block, ordered=ordered, **flags) |
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48 | return ParallelFunction(view, f, dist=dist, block=block, ordered=ordered, **flags) | |
62 | return parallel_function |
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49 | return parallel_function | |
63 |
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50 | |||
64 | def getname(f): |
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51 | def getname(f): | |
65 | """Get the name of an object. |
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52 | """Get the name of an object. | |
66 |
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53 | |||
67 | For use in case of callables that are not functions, and |
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54 | For use in case of callables that are not functions, and | |
68 | thus may not have __name__ defined. |
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55 | thus may not have __name__ defined. | |
69 |
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56 | |||
70 | Order: f.__name__ > f.name > str(f) |
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57 | Order: f.__name__ > f.name > str(f) | |
71 | """ |
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58 | """ | |
72 | try: |
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59 | try: | |
73 | return f.__name__ |
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60 | return f.__name__ | |
74 | except: |
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61 | except: | |
75 | pass |
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62 | pass | |
76 | try: |
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63 | try: | |
77 | return f.name |
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64 | return f.name | |
78 | except: |
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65 | except: | |
79 | pass |
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66 | pass | |
80 |
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67 | |||
81 | return str(f) |
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68 | return str(f) | |
82 |
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69 | |||
83 | @decorator |
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70 | @decorator | |
84 | def sync_view_results(f, self, *args, **kwargs): |
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71 | def sync_view_results(f, self, *args, **kwargs): | |
85 | """sync relevant results from self.client to our results attribute. |
|
72 | """sync relevant results from self.client to our results attribute. | |
86 |
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73 | |||
87 | This is a clone of view.sync_results, but for remote functions |
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74 | This is a clone of view.sync_results, but for remote functions | |
88 | """ |
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75 | """ | |
89 | view = self.view |
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76 | view = self.view | |
90 | if view._in_sync_results: |
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77 | if view._in_sync_results: | |
91 | return f(self, *args, **kwargs) |
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78 | return f(self, *args, **kwargs) | |
92 | view._in_sync_results = True |
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79 | view._in_sync_results = True | |
93 | try: |
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80 | try: | |
94 | ret = f(self, *args, **kwargs) |
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81 | ret = f(self, *args, **kwargs) | |
95 | finally: |
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82 | finally: | |
96 | view._in_sync_results = False |
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83 | view._in_sync_results = False | |
97 | view._sync_results() |
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84 | view._sync_results() | |
98 | return ret |
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85 | return ret | |
99 |
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86 | |||
100 | #-------------------------------------------------------------------------- |
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87 | #-------------------------------------------------------------------------- | |
101 | # Classes |
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88 | # Classes | |
102 | #-------------------------------------------------------------------------- |
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89 | #-------------------------------------------------------------------------- | |
103 |
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90 | |||
104 | class RemoteFunction(object): |
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91 | class RemoteFunction(object): | |
105 | """Turn an existing function into a remote function. |
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92 | """Turn an existing function into a remote function. | |
106 |
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93 | |||
107 | Parameters |
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94 | Parameters | |
108 | ---------- |
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95 | ---------- | |
109 |
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96 | |||
110 | view : View instance |
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97 | view : View instance | |
111 | The view to be used for execution |
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98 | The view to be used for execution | |
112 | f : callable |
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99 | f : callable | |
113 | The function to be wrapped into a remote function |
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100 | The function to be wrapped into a remote function | |
114 | block : bool [default: None] |
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101 | block : bool [default: None] | |
115 | Whether to wait for results or not. The default behavior is |
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102 | Whether to wait for results or not. The default behavior is | |
116 | to use the current `block` attribute of `view` |
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103 | to use the current `block` attribute of `view` | |
117 |
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104 | |||
118 | **flags : remaining kwargs are passed to View.temp_flags |
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105 | **flags : remaining kwargs are passed to View.temp_flags | |
119 | """ |
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106 | """ | |
120 |
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107 | |||
121 | view = None # the remote connection |
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108 | view = None # the remote connection | |
122 | func = None # the wrapped function |
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109 | func = None # the wrapped function | |
123 | block = None # whether to block |
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110 | block = None # whether to block | |
124 | flags = None # dict of extra kwargs for temp_flags |
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111 | flags = None # dict of extra kwargs for temp_flags | |
125 |
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112 | |||
126 | def __init__(self, view, f, block=None, **flags): |
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113 | def __init__(self, view, f, block=None, **flags): | |
127 | self.view = view |
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114 | self.view = view | |
128 | self.func = f |
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115 | self.func = f | |
129 | self.block=block |
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116 | self.block=block | |
130 | self.flags=flags |
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117 | self.flags=flags | |
131 |
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118 | |||
132 | def __call__(self, *args, **kwargs): |
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119 | def __call__(self, *args, **kwargs): | |
133 | block = self.view.block if self.block is None else self.block |
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120 | block = self.view.block if self.block is None else self.block | |
134 | with self.view.temp_flags(block=block, **self.flags): |
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121 | with self.view.temp_flags(block=block, **self.flags): | |
135 | return self.view.apply(self.func, *args, **kwargs) |
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122 | return self.view.apply(self.func, *args, **kwargs) | |
136 |
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123 | |||
137 |
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124 | |||
138 | class ParallelFunction(RemoteFunction): |
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125 | class ParallelFunction(RemoteFunction): | |
139 | """Class for mapping a function to sequences. |
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126 | """Class for mapping a function to sequences. | |
140 |
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127 | |||
141 | This will distribute the sequences according the a mapper, and call |
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128 | This will distribute the sequences according the a mapper, and call | |
142 | the function on each sub-sequence. If called via map, then the function |
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129 | the function on each sub-sequence. If called via map, then the function | |
143 | will be called once on each element, rather that each sub-sequence. |
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130 | will be called once on each element, rather that each sub-sequence. | |
144 |
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131 | |||
145 | Parameters |
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132 | Parameters | |
146 | ---------- |
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133 | ---------- | |
147 |
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134 | |||
148 | view : View instance |
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135 | view : View instance | |
149 | The view to be used for execution |
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136 | The view to be used for execution | |
150 | f : callable |
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137 | f : callable | |
151 | The function to be wrapped into a remote function |
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138 | The function to be wrapped into a remote function | |
152 | dist : str [default: 'b'] |
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139 | dist : str [default: 'b'] | |
153 | The key for which mapObject to use to distribute sequences |
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140 | The key for which mapObject to use to distribute sequences | |
154 | options are: |
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141 | options are: | |
155 |
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142 | |||
156 | * 'b' : use contiguous chunks in order |
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143 | * 'b' : use contiguous chunks in order | |
157 | * 'r' : use round-robin striping |
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144 | * 'r' : use round-robin striping | |
158 |
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145 | |||
159 | block : bool [default: None] |
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146 | block : bool [default: None] | |
160 | Whether to wait for results or not. The default behavior is |
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147 | Whether to wait for results or not. The default behavior is | |
161 | to use the current `block` attribute of `view` |
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148 | to use the current `block` attribute of `view` | |
162 | chunksize : int or None |
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149 | chunksize : int or None | |
163 | The size of chunk to use when breaking up sequences in a load-balanced manner |
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150 | The size of chunk to use when breaking up sequences in a load-balanced manner | |
164 | ordered : bool [default: True] |
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151 | ordered : bool [default: True] | |
165 | Whether the result should be kept in order. If False, |
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152 | Whether the result should be kept in order. If False, | |
166 | results become available as they arrive, regardless of submission order. |
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153 | results become available as they arrive, regardless of submission order. | |
167 | **flags |
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154 | **flags | |
168 | remaining kwargs are passed to View.temp_flags |
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155 | remaining kwargs are passed to View.temp_flags | |
169 | """ |
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156 | """ | |
170 |
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157 | |||
171 | chunksize = None |
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158 | chunksize = None | |
172 | ordered = None |
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159 | ordered = None | |
173 | mapObject = None |
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160 | mapObject = None | |
174 | _mapping = False |
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161 | _mapping = False | |
175 |
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162 | |||
176 | def __init__(self, view, f, dist='b', block=None, chunksize=None, ordered=True, **flags): |
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163 | def __init__(self, view, f, dist='b', block=None, chunksize=None, ordered=True, **flags): | |
177 | super(ParallelFunction, self).__init__(view, f, block=block, **flags) |
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164 | super(ParallelFunction, self).__init__(view, f, block=block, **flags) | |
178 | self.chunksize = chunksize |
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165 | self.chunksize = chunksize | |
179 | self.ordered = ordered |
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166 | self.ordered = ordered | |
180 |
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167 | |||
181 | mapClass = Map.dists[dist] |
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168 | mapClass = Map.dists[dist] | |
182 | self.mapObject = mapClass() |
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169 | self.mapObject = mapClass() | |
183 |
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170 | |||
184 | @sync_view_results |
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171 | @sync_view_results | |
185 | def __call__(self, *sequences): |
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172 | def __call__(self, *sequences): | |
186 | client = self.view.client |
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173 | client = self.view.client | |
187 |
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174 | |||
188 | lens = [] |
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175 | lens = [] | |
189 | maxlen = minlen = -1 |
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176 | maxlen = minlen = -1 | |
190 | for i, seq in enumerate(sequences): |
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177 | for i, seq in enumerate(sequences): | |
191 | try: |
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178 | try: | |
192 | n = len(seq) |
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179 | n = len(seq) | |
193 | except Exception: |
|
180 | except Exception: | |
194 | seq = list(seq) |
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181 | seq = list(seq) | |
195 | if isinstance(sequences, tuple): |
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182 | if isinstance(sequences, tuple): | |
196 | # can't alter a tuple |
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183 | # can't alter a tuple | |
197 | sequences = list(sequences) |
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184 | sequences = list(sequences) | |
198 | sequences[i] = seq |
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185 | sequences[i] = seq | |
199 | n = len(seq) |
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186 | n = len(seq) | |
200 | if n > maxlen: |
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187 | if n > maxlen: | |
201 | maxlen = n |
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188 | maxlen = n | |
202 | if minlen == -1 or n < minlen: |
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189 | if minlen == -1 or n < minlen: | |
203 | minlen = n |
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190 | minlen = n | |
204 | lens.append(n) |
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191 | lens.append(n) | |
205 |
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192 | |||
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193 | if maxlen == 0: | |||
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194 | # nothing to iterate over | |||
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195 | return [] | |||
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196 | ||||
206 | # check that the length of sequences match |
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197 | # check that the length of sequences match | |
207 | if not self._mapping and minlen != maxlen: |
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198 | if not self._mapping and minlen != maxlen: | |
208 | msg = 'all sequences must have equal length, but have %s' % lens |
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199 | msg = 'all sequences must have equal length, but have %s' % lens | |
209 | raise ValueError(msg) |
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200 | raise ValueError(msg) | |
210 |
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201 | |||
211 | balanced = 'Balanced' in self.view.__class__.__name__ |
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202 | balanced = 'Balanced' in self.view.__class__.__name__ | |
212 | if balanced: |
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203 | if balanced: | |
213 | if self.chunksize: |
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204 | if self.chunksize: | |
214 | nparts = maxlen // self.chunksize + int(maxlen % self.chunksize > 0) |
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205 | nparts = maxlen // self.chunksize + int(maxlen % self.chunksize > 0) | |
215 | else: |
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206 | else: | |
216 | nparts = maxlen |
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207 | nparts = maxlen | |
217 | targets = [None]*nparts |
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208 | targets = [None]*nparts | |
218 | else: |
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209 | else: | |
219 | if self.chunksize: |
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210 | if self.chunksize: | |
220 | warnings.warn("`chunksize` is ignored unless load balancing", UserWarning) |
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211 | warnings.warn("`chunksize` is ignored unless load balancing", UserWarning) | |
221 | # multiplexed: |
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212 | # multiplexed: | |
222 | targets = self.view.targets |
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213 | targets = self.view.targets | |
223 | # 'all' is lazily evaluated at execution time, which is now: |
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214 | # 'all' is lazily evaluated at execution time, which is now: | |
224 | if targets == 'all': |
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215 | if targets == 'all': | |
225 | targets = client._build_targets(targets)[1] |
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216 | targets = client._build_targets(targets)[1] | |
226 | elif isinstance(targets, int): |
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217 | elif isinstance(targets, int): | |
227 | # single-engine view, targets must be iterable |
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218 | # single-engine view, targets must be iterable | |
228 | targets = [targets] |
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219 | targets = [targets] | |
229 | nparts = len(targets) |
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220 | nparts = len(targets) | |
230 |
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221 | |||
231 | msg_ids = [] |
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222 | msg_ids = [] | |
232 | for index, t in enumerate(targets): |
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223 | for index, t in enumerate(targets): | |
233 | args = [] |
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224 | args = [] | |
234 | for seq in sequences: |
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225 | for seq in sequences: | |
235 | part = self.mapObject.getPartition(seq, index, nparts, maxlen) |
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226 | part = self.mapObject.getPartition(seq, index, nparts, maxlen) | |
236 | args.append(part) |
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227 | args.append(part) | |
237 |
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228 | |||
238 | if sum([len(arg) for arg in args]) == 0: |
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229 | if sum([len(arg) for arg in args]) == 0: | |
239 | continue |
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230 | continue | |
240 |
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231 | |||
241 | if self._mapping: |
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232 | if self._mapping: | |
242 | if sys.version_info[0] >= 3: |
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233 | if sys.version_info[0] >= 3: | |
243 | f = lambda f, *sequences: list(map(f, *sequences)) |
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234 | f = lambda f, *sequences: list(map(f, *sequences)) | |
244 | else: |
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235 | else: | |
245 | f = map |
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236 | f = map | |
246 | args = [self.func] + args |
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237 | args = [self.func] + args | |
247 | else: |
|
238 | else: | |
248 | f=self.func |
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239 | f=self.func | |
249 |
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240 | |||
250 | view = self.view if balanced else client[t] |
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241 | view = self.view if balanced else client[t] | |
251 | with view.temp_flags(block=False, **self.flags): |
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242 | with view.temp_flags(block=False, **self.flags): | |
252 | ar = view.apply(f, *args) |
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243 | ar = view.apply(f, *args) | |
253 |
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244 | |||
254 | msg_ids.extend(ar.msg_ids) |
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245 | msg_ids.extend(ar.msg_ids) | |
255 |
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246 | |||
256 | r = AsyncMapResult(self.view.client, msg_ids, self.mapObject, |
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247 | r = AsyncMapResult(self.view.client, msg_ids, self.mapObject, | |
257 | fname=getname(self.func), |
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248 | fname=getname(self.func), | |
258 | ordered=self.ordered |
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249 | ordered=self.ordered | |
259 | ) |
|
250 | ) | |
260 |
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251 | |||
261 | if self.block: |
|
252 | if self.block: | |
262 | try: |
|
253 | try: | |
263 | return r.get() |
|
254 | return r.get() | |
264 | except KeyboardInterrupt: |
|
255 | except KeyboardInterrupt: | |
265 | return r |
|
256 | return r | |
266 | else: |
|
257 | else: | |
267 | return r |
|
258 | return r | |
268 |
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259 | |||
269 | def map(self, *sequences): |
|
260 | def map(self, *sequences): | |
270 | """call a function on each element of one or more sequence(s) remotely. |
|
261 | """call a function on each element of one or more sequence(s) remotely. | |
271 | This should behave very much like the builtin map, but return an AsyncMapResult |
|
262 | This should behave very much like the builtin map, but return an AsyncMapResult | |
272 | if self.block is False. |
|
263 | if self.block is False. | |
273 |
|
264 | |||
274 | That means it can take generators (will be cast to lists locally), |
|
265 | That means it can take generators (will be cast to lists locally), | |
275 | and mismatched sequence lengths will be padded with None. |
|
266 | and mismatched sequence lengths will be padded with None. | |
276 | """ |
|
267 | """ | |
277 | # set _mapping as a flag for use inside self.__call__ |
|
268 | # set _mapping as a flag for use inside self.__call__ | |
278 | self._mapping = True |
|
269 | self._mapping = True | |
279 | try: |
|
270 | try: | |
280 | ret = self(*sequences) |
|
271 | ret = self(*sequences) | |
281 | finally: |
|
272 | finally: | |
282 | self._mapping = False |
|
273 | self._mapping = False | |
283 | return ret |
|
274 | return ret | |
284 |
|
275 | |||
285 | __all__ = ['remote', 'parallel', 'RemoteFunction', 'ParallelFunction'] |
|
276 | __all__ = ['remote', 'parallel', 'RemoteFunction', 'ParallelFunction'] |
@@ -1,849 +1,842 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """test View objects |
|
2 | """test View objects""" | |
3 |
|
3 | |||
4 | Authors: |
|
4 | # Copyright (c) IPython Development Team. | |
5 |
|
5 | # Distributed under the terms of the Modified BSD License. | ||
6 | * Min RK |
|
|||
7 | """ |
|
|||
8 | #------------------------------------------------------------------------------- |
|
|||
9 | # Copyright (C) 2011 The IPython Development Team |
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|||
10 | # |
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|||
11 | # Distributed under the terms of the BSD License. The full license is in |
|
|||
12 | # the file COPYING, distributed as part of this software. |
|
|||
13 | #------------------------------------------------------------------------------- |
|
|||
14 |
|
||||
15 | #------------------------------------------------------------------------------- |
|
|||
16 | # Imports |
|
|||
17 | #------------------------------------------------------------------------------- |
|
|||
18 |
|
6 | |||
19 | import base64 |
|
7 | import base64 | |
20 | import sys |
|
8 | import sys | |
21 | import platform |
|
9 | import platform | |
22 | import time |
|
10 | import time | |
23 | from collections import namedtuple |
|
11 | from collections import namedtuple | |
24 | from tempfile import NamedTemporaryFile |
|
12 | from tempfile import NamedTemporaryFile | |
25 |
|
13 | |||
26 | import zmq |
|
14 | import zmq | |
27 | from nose.plugins.attrib import attr |
|
15 | from nose.plugins.attrib import attr | |
28 |
|
16 | |||
29 | from IPython.testing import decorators as dec |
|
17 | from IPython.testing import decorators as dec | |
30 | from IPython.utils.io import capture_output |
|
18 | from IPython.utils.io import capture_output | |
31 | from IPython.utils.py3compat import unicode_type |
|
19 | from IPython.utils.py3compat import unicode_type | |
32 |
|
20 | |||
33 | from IPython import parallel as pmod |
|
21 | from IPython import parallel as pmod | |
34 | from IPython.parallel import error |
|
22 | from IPython.parallel import error | |
35 | from IPython.parallel import AsyncResult, AsyncHubResult, AsyncMapResult |
|
23 | from IPython.parallel import AsyncResult, AsyncHubResult, AsyncMapResult | |
36 | from IPython.parallel.util import interactive |
|
24 | from IPython.parallel.util import interactive | |
37 |
|
25 | |||
38 | from IPython.parallel.tests import add_engines |
|
26 | from IPython.parallel.tests import add_engines | |
39 |
|
27 | |||
40 | from .clienttest import ClusterTestCase, crash, wait, skip_without |
|
28 | from .clienttest import ClusterTestCase, crash, wait, skip_without | |
41 |
|
29 | |||
42 | def setup(): |
|
30 | def setup(): | |
43 | add_engines(3, total=True) |
|
31 | add_engines(3, total=True) | |
44 |
|
32 | |||
45 | point = namedtuple("point", "x y") |
|
33 | point = namedtuple("point", "x y") | |
46 |
|
34 | |||
47 | class TestView(ClusterTestCase): |
|
35 | class TestView(ClusterTestCase): | |
48 |
|
36 | |||
49 | def setUp(self): |
|
37 | def setUp(self): | |
50 | # On Win XP, wait for resource cleanup, else parallel test group fails |
|
38 | # On Win XP, wait for resource cleanup, else parallel test group fails | |
51 | if platform.system() == "Windows" and platform.win32_ver()[0] == "XP": |
|
39 | if platform.system() == "Windows" and platform.win32_ver()[0] == "XP": | |
52 | # 1 sec fails. 1.5 sec seems ok. Using 2 sec for margin of safety |
|
40 | # 1 sec fails. 1.5 sec seems ok. Using 2 sec for margin of safety | |
53 | time.sleep(2) |
|
41 | time.sleep(2) | |
54 | super(TestView, self).setUp() |
|
42 | super(TestView, self).setUp() | |
55 |
|
43 | |||
56 | @attr('crash') |
|
44 | @attr('crash') | |
57 | def test_z_crash_mux(self): |
|
45 | def test_z_crash_mux(self): | |
58 | """test graceful handling of engine death (direct)""" |
|
46 | """test graceful handling of engine death (direct)""" | |
59 | # self.add_engines(1) |
|
47 | # self.add_engines(1) | |
60 | eid = self.client.ids[-1] |
|
48 | eid = self.client.ids[-1] | |
61 | ar = self.client[eid].apply_async(crash) |
|
49 | ar = self.client[eid].apply_async(crash) | |
62 | self.assertRaisesRemote(error.EngineError, ar.get, 10) |
|
50 | self.assertRaisesRemote(error.EngineError, ar.get, 10) | |
63 | eid = ar.engine_id |
|
51 | eid = ar.engine_id | |
64 | tic = time.time() |
|
52 | tic = time.time() | |
65 | while eid in self.client.ids and time.time()-tic < 5: |
|
53 | while eid in self.client.ids and time.time()-tic < 5: | |
66 | time.sleep(.01) |
|
54 | time.sleep(.01) | |
67 | self.client.spin() |
|
55 | self.client.spin() | |
68 | self.assertFalse(eid in self.client.ids, "Engine should have died") |
|
56 | self.assertFalse(eid in self.client.ids, "Engine should have died") | |
69 |
|
57 | |||
70 | def test_push_pull(self): |
|
58 | def test_push_pull(self): | |
71 | """test pushing and pulling""" |
|
59 | """test pushing and pulling""" | |
72 | data = dict(a=10, b=1.05, c=list(range(10)), d={'e':(1,2),'f':'hi'}) |
|
60 | data = dict(a=10, b=1.05, c=list(range(10)), d={'e':(1,2),'f':'hi'}) | |
73 | t = self.client.ids[-1] |
|
61 | t = self.client.ids[-1] | |
74 | v = self.client[t] |
|
62 | v = self.client[t] | |
75 | push = v.push |
|
63 | push = v.push | |
76 | pull = v.pull |
|
64 | pull = v.pull | |
77 | v.block=True |
|
65 | v.block=True | |
78 | nengines = len(self.client) |
|
66 | nengines = len(self.client) | |
79 | push({'data':data}) |
|
67 | push({'data':data}) | |
80 | d = pull('data') |
|
68 | d = pull('data') | |
81 | self.assertEqual(d, data) |
|
69 | self.assertEqual(d, data) | |
82 | self.client[:].push({'data':data}) |
|
70 | self.client[:].push({'data':data}) | |
83 | d = self.client[:].pull('data', block=True) |
|
71 | d = self.client[:].pull('data', block=True) | |
84 | self.assertEqual(d, nengines*[data]) |
|
72 | self.assertEqual(d, nengines*[data]) | |
85 | ar = push({'data':data}, block=False) |
|
73 | ar = push({'data':data}, block=False) | |
86 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
74 | self.assertTrue(isinstance(ar, AsyncResult)) | |
87 | r = ar.get() |
|
75 | r = ar.get() | |
88 | ar = self.client[:].pull('data', block=False) |
|
76 | ar = self.client[:].pull('data', block=False) | |
89 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
77 | self.assertTrue(isinstance(ar, AsyncResult)) | |
90 | r = ar.get() |
|
78 | r = ar.get() | |
91 | self.assertEqual(r, nengines*[data]) |
|
79 | self.assertEqual(r, nengines*[data]) | |
92 | self.client[:].push(dict(a=10,b=20)) |
|
80 | self.client[:].push(dict(a=10,b=20)) | |
93 | r = self.client[:].pull(('a','b'), block=True) |
|
81 | r = self.client[:].pull(('a','b'), block=True) | |
94 | self.assertEqual(r, nengines*[[10,20]]) |
|
82 | self.assertEqual(r, nengines*[[10,20]]) | |
95 |
|
83 | |||
96 | def test_push_pull_function(self): |
|
84 | def test_push_pull_function(self): | |
97 | "test pushing and pulling functions" |
|
85 | "test pushing and pulling functions" | |
98 | def testf(x): |
|
86 | def testf(x): | |
99 | return 2.0*x |
|
87 | return 2.0*x | |
100 |
|
88 | |||
101 | t = self.client.ids[-1] |
|
89 | t = self.client.ids[-1] | |
102 | v = self.client[t] |
|
90 | v = self.client[t] | |
103 | v.block=True |
|
91 | v.block=True | |
104 | push = v.push |
|
92 | push = v.push | |
105 | pull = v.pull |
|
93 | pull = v.pull | |
106 | execute = v.execute |
|
94 | execute = v.execute | |
107 | push({'testf':testf}) |
|
95 | push({'testf':testf}) | |
108 | r = pull('testf') |
|
96 | r = pull('testf') | |
109 | self.assertEqual(r(1.0), testf(1.0)) |
|
97 | self.assertEqual(r(1.0), testf(1.0)) | |
110 | execute('r = testf(10)') |
|
98 | execute('r = testf(10)') | |
111 | r = pull('r') |
|
99 | r = pull('r') | |
112 | self.assertEqual(r, testf(10)) |
|
100 | self.assertEqual(r, testf(10)) | |
113 | ar = self.client[:].push({'testf':testf}, block=False) |
|
101 | ar = self.client[:].push({'testf':testf}, block=False) | |
114 | ar.get() |
|
102 | ar.get() | |
115 | ar = self.client[:].pull('testf', block=False) |
|
103 | ar = self.client[:].pull('testf', block=False) | |
116 | rlist = ar.get() |
|
104 | rlist = ar.get() | |
117 | for r in rlist: |
|
105 | for r in rlist: | |
118 | self.assertEqual(r(1.0), testf(1.0)) |
|
106 | self.assertEqual(r(1.0), testf(1.0)) | |
119 | execute("def g(x): return x*x") |
|
107 | execute("def g(x): return x*x") | |
120 | r = pull(('testf','g')) |
|
108 | r = pull(('testf','g')) | |
121 | self.assertEqual((r[0](10),r[1](10)), (testf(10), 100)) |
|
109 | self.assertEqual((r[0](10),r[1](10)), (testf(10), 100)) | |
122 |
|
110 | |||
123 | def test_push_function_globals(self): |
|
111 | def test_push_function_globals(self): | |
124 | """test that pushed functions have access to globals""" |
|
112 | """test that pushed functions have access to globals""" | |
125 | @interactive |
|
113 | @interactive | |
126 | def geta(): |
|
114 | def geta(): | |
127 | return a |
|
115 | return a | |
128 | # self.add_engines(1) |
|
116 | # self.add_engines(1) | |
129 | v = self.client[-1] |
|
117 | v = self.client[-1] | |
130 | v.block=True |
|
118 | v.block=True | |
131 | v['f'] = geta |
|
119 | v['f'] = geta | |
132 | self.assertRaisesRemote(NameError, v.execute, 'b=f()') |
|
120 | self.assertRaisesRemote(NameError, v.execute, 'b=f()') | |
133 | v.execute('a=5') |
|
121 | v.execute('a=5') | |
134 | v.execute('b=f()') |
|
122 | v.execute('b=f()') | |
135 | self.assertEqual(v['b'], 5) |
|
123 | self.assertEqual(v['b'], 5) | |
136 |
|
124 | |||
137 | def test_push_function_defaults(self): |
|
125 | def test_push_function_defaults(self): | |
138 | """test that pushed functions preserve default args""" |
|
126 | """test that pushed functions preserve default args""" | |
139 | def echo(a=10): |
|
127 | def echo(a=10): | |
140 | return a |
|
128 | return a | |
141 | v = self.client[-1] |
|
129 | v = self.client[-1] | |
142 | v.block=True |
|
130 | v.block=True | |
143 | v['f'] = echo |
|
131 | v['f'] = echo | |
144 | v.execute('b=f()') |
|
132 | v.execute('b=f()') | |
145 | self.assertEqual(v['b'], 10) |
|
133 | self.assertEqual(v['b'], 10) | |
146 |
|
134 | |||
147 | def test_get_result(self): |
|
135 | def test_get_result(self): | |
148 | """test getting results from the Hub.""" |
|
136 | """test getting results from the Hub.""" | |
149 | c = pmod.Client(profile='iptest') |
|
137 | c = pmod.Client(profile='iptest') | |
150 | # self.add_engines(1) |
|
138 | # self.add_engines(1) | |
151 | t = c.ids[-1] |
|
139 | t = c.ids[-1] | |
152 | v = c[t] |
|
140 | v = c[t] | |
153 | v2 = self.client[t] |
|
141 | v2 = self.client[t] | |
154 | ar = v.apply_async(wait, 1) |
|
142 | ar = v.apply_async(wait, 1) | |
155 | # give the monitor time to notice the message |
|
143 | # give the monitor time to notice the message | |
156 | time.sleep(.25) |
|
144 | time.sleep(.25) | |
157 | ahr = v2.get_result(ar.msg_ids[0]) |
|
145 | ahr = v2.get_result(ar.msg_ids[0]) | |
158 | self.assertTrue(isinstance(ahr, AsyncHubResult)) |
|
146 | self.assertTrue(isinstance(ahr, AsyncHubResult)) | |
159 | self.assertEqual(ahr.get(), ar.get()) |
|
147 | self.assertEqual(ahr.get(), ar.get()) | |
160 | ar2 = v2.get_result(ar.msg_ids[0]) |
|
148 | ar2 = v2.get_result(ar.msg_ids[0]) | |
161 | self.assertFalse(isinstance(ar2, AsyncHubResult)) |
|
149 | self.assertFalse(isinstance(ar2, AsyncHubResult)) | |
162 | c.spin() |
|
150 | c.spin() | |
163 | c.close() |
|
151 | c.close() | |
164 |
|
152 | |||
165 | def test_run_newline(self): |
|
153 | def test_run_newline(self): | |
166 | """test that run appends newline to files""" |
|
154 | """test that run appends newline to files""" | |
167 | with NamedTemporaryFile('w', delete=False) as f: |
|
155 | with NamedTemporaryFile('w', delete=False) as f: | |
168 | f.write("""def g(): |
|
156 | f.write("""def g(): | |
169 | return 5 |
|
157 | return 5 | |
170 | """) |
|
158 | """) | |
171 | v = self.client[-1] |
|
159 | v = self.client[-1] | |
172 | v.run(f.name, block=True) |
|
160 | v.run(f.name, block=True) | |
173 | self.assertEqual(v.apply_sync(lambda f: f(), pmod.Reference('g')), 5) |
|
161 | self.assertEqual(v.apply_sync(lambda f: f(), pmod.Reference('g')), 5) | |
174 |
|
162 | |||
175 | def test_apply_tracked(self): |
|
163 | def test_apply_tracked(self): | |
176 | """test tracking for apply""" |
|
164 | """test tracking for apply""" | |
177 | # self.add_engines(1) |
|
165 | # self.add_engines(1) | |
178 | t = self.client.ids[-1] |
|
166 | t = self.client.ids[-1] | |
179 | v = self.client[t] |
|
167 | v = self.client[t] | |
180 | v.block=False |
|
168 | v.block=False | |
181 | def echo(n=1024*1024, **kwargs): |
|
169 | def echo(n=1024*1024, **kwargs): | |
182 | with v.temp_flags(**kwargs): |
|
170 | with v.temp_flags(**kwargs): | |
183 | return v.apply(lambda x: x, 'x'*n) |
|
171 | return v.apply(lambda x: x, 'x'*n) | |
184 | ar = echo(1, track=False) |
|
172 | ar = echo(1, track=False) | |
185 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
173 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
186 | self.assertTrue(ar.sent) |
|
174 | self.assertTrue(ar.sent) | |
187 | ar = echo(track=True) |
|
175 | ar = echo(track=True) | |
188 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
176 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
189 | self.assertEqual(ar.sent, ar._tracker.done) |
|
177 | self.assertEqual(ar.sent, ar._tracker.done) | |
190 | ar._tracker.wait() |
|
178 | ar._tracker.wait() | |
191 | self.assertTrue(ar.sent) |
|
179 | self.assertTrue(ar.sent) | |
192 |
|
180 | |||
193 | def test_push_tracked(self): |
|
181 | def test_push_tracked(self): | |
194 | t = self.client.ids[-1] |
|
182 | t = self.client.ids[-1] | |
195 | ns = dict(x='x'*1024*1024) |
|
183 | ns = dict(x='x'*1024*1024) | |
196 | v = self.client[t] |
|
184 | v = self.client[t] | |
197 | ar = v.push(ns, block=False, track=False) |
|
185 | ar = v.push(ns, block=False, track=False) | |
198 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
186 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
199 | self.assertTrue(ar.sent) |
|
187 | self.assertTrue(ar.sent) | |
200 |
|
188 | |||
201 | ar = v.push(ns, block=False, track=True) |
|
189 | ar = v.push(ns, block=False, track=True) | |
202 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
190 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
203 | ar._tracker.wait() |
|
191 | ar._tracker.wait() | |
204 | self.assertEqual(ar.sent, ar._tracker.done) |
|
192 | self.assertEqual(ar.sent, ar._tracker.done) | |
205 | self.assertTrue(ar.sent) |
|
193 | self.assertTrue(ar.sent) | |
206 | ar.get() |
|
194 | ar.get() | |
207 |
|
195 | |||
208 | def test_scatter_tracked(self): |
|
196 | def test_scatter_tracked(self): | |
209 | t = self.client.ids |
|
197 | t = self.client.ids | |
210 | x='x'*1024*1024 |
|
198 | x='x'*1024*1024 | |
211 | ar = self.client[t].scatter('x', x, block=False, track=False) |
|
199 | ar = self.client[t].scatter('x', x, block=False, track=False) | |
212 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
200 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
213 | self.assertTrue(ar.sent) |
|
201 | self.assertTrue(ar.sent) | |
214 |
|
202 | |||
215 | ar = self.client[t].scatter('x', x, block=False, track=True) |
|
203 | ar = self.client[t].scatter('x', x, block=False, track=True) | |
216 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
204 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
217 | self.assertEqual(ar.sent, ar._tracker.done) |
|
205 | self.assertEqual(ar.sent, ar._tracker.done) | |
218 | ar._tracker.wait() |
|
206 | ar._tracker.wait() | |
219 | self.assertTrue(ar.sent) |
|
207 | self.assertTrue(ar.sent) | |
220 | ar.get() |
|
208 | ar.get() | |
221 |
|
209 | |||
222 | def test_remote_reference(self): |
|
210 | def test_remote_reference(self): | |
223 | v = self.client[-1] |
|
211 | v = self.client[-1] | |
224 | v['a'] = 123 |
|
212 | v['a'] = 123 | |
225 | ra = pmod.Reference('a') |
|
213 | ra = pmod.Reference('a') | |
226 | b = v.apply_sync(lambda x: x, ra) |
|
214 | b = v.apply_sync(lambda x: x, ra) | |
227 | self.assertEqual(b, 123) |
|
215 | self.assertEqual(b, 123) | |
228 |
|
216 | |||
229 |
|
217 | |||
230 | def test_scatter_gather(self): |
|
218 | def test_scatter_gather(self): | |
231 | view = self.client[:] |
|
219 | view = self.client[:] | |
232 | seq1 = list(range(16)) |
|
220 | seq1 = list(range(16)) | |
233 | view.scatter('a', seq1) |
|
221 | view.scatter('a', seq1) | |
234 | seq2 = view.gather('a', block=True) |
|
222 | seq2 = view.gather('a', block=True) | |
235 | self.assertEqual(seq2, seq1) |
|
223 | self.assertEqual(seq2, seq1) | |
236 | self.assertRaisesRemote(NameError, view.gather, 'asdf', block=True) |
|
224 | self.assertRaisesRemote(NameError, view.gather, 'asdf', block=True) | |
237 |
|
225 | |||
238 | @skip_without('numpy') |
|
226 | @skip_without('numpy') | |
239 | def test_scatter_gather_numpy(self): |
|
227 | def test_scatter_gather_numpy(self): | |
240 | import numpy |
|
228 | import numpy | |
241 | from numpy.testing.utils import assert_array_equal |
|
229 | from numpy.testing.utils import assert_array_equal | |
242 | view = self.client[:] |
|
230 | view = self.client[:] | |
243 | a = numpy.arange(64) |
|
231 | a = numpy.arange(64) | |
244 | view.scatter('a', a, block=True) |
|
232 | view.scatter('a', a, block=True) | |
245 | b = view.gather('a', block=True) |
|
233 | b = view.gather('a', block=True) | |
246 | assert_array_equal(b, a) |
|
234 | assert_array_equal(b, a) | |
247 |
|
235 | |||
248 | def test_scatter_gather_lazy(self): |
|
236 | def test_scatter_gather_lazy(self): | |
249 | """scatter/gather with targets='all'""" |
|
237 | """scatter/gather with targets='all'""" | |
250 | view = self.client.direct_view(targets='all') |
|
238 | view = self.client.direct_view(targets='all') | |
251 | x = list(range(64)) |
|
239 | x = list(range(64)) | |
252 | view.scatter('x', x) |
|
240 | view.scatter('x', x) | |
253 | gathered = view.gather('x', block=True) |
|
241 | gathered = view.gather('x', block=True) | |
254 | self.assertEqual(gathered, x) |
|
242 | self.assertEqual(gathered, x) | |
255 |
|
243 | |||
256 |
|
244 | |||
257 | @dec.known_failure_py3 |
|
245 | @dec.known_failure_py3 | |
258 | @skip_without('numpy') |
|
246 | @skip_without('numpy') | |
259 | def test_push_numpy_nocopy(self): |
|
247 | def test_push_numpy_nocopy(self): | |
260 | import numpy |
|
248 | import numpy | |
261 | view = self.client[:] |
|
249 | view = self.client[:] | |
262 | a = numpy.arange(64) |
|
250 | a = numpy.arange(64) | |
263 | view['A'] = a |
|
251 | view['A'] = a | |
264 | @interactive |
|
252 | @interactive | |
265 | def check_writeable(x): |
|
253 | def check_writeable(x): | |
266 | return x.flags.writeable |
|
254 | return x.flags.writeable | |
267 |
|
255 | |||
268 | for flag in view.apply_sync(check_writeable, pmod.Reference('A')): |
|
256 | for flag in view.apply_sync(check_writeable, pmod.Reference('A')): | |
269 | self.assertFalse(flag, "array is writeable, push shouldn't have pickled it") |
|
257 | self.assertFalse(flag, "array is writeable, push shouldn't have pickled it") | |
270 |
|
258 | |||
271 | view.push(dict(B=a)) |
|
259 | view.push(dict(B=a)) | |
272 | for flag in view.apply_sync(check_writeable, pmod.Reference('B')): |
|
260 | for flag in view.apply_sync(check_writeable, pmod.Reference('B')): | |
273 | self.assertFalse(flag, "array is writeable, push shouldn't have pickled it") |
|
261 | self.assertFalse(flag, "array is writeable, push shouldn't have pickled it") | |
274 |
|
262 | |||
275 | @skip_without('numpy') |
|
263 | @skip_without('numpy') | |
276 | def test_apply_numpy(self): |
|
264 | def test_apply_numpy(self): | |
277 | """view.apply(f, ndarray)""" |
|
265 | """view.apply(f, ndarray)""" | |
278 | import numpy |
|
266 | import numpy | |
279 | from numpy.testing.utils import assert_array_equal |
|
267 | from numpy.testing.utils import assert_array_equal | |
280 |
|
268 | |||
281 | A = numpy.random.random((100,100)) |
|
269 | A = numpy.random.random((100,100)) | |
282 | view = self.client[-1] |
|
270 | view = self.client[-1] | |
283 | for dt in [ 'int32', 'uint8', 'float32', 'float64' ]: |
|
271 | for dt in [ 'int32', 'uint8', 'float32', 'float64' ]: | |
284 | B = A.astype(dt) |
|
272 | B = A.astype(dt) | |
285 | C = view.apply_sync(lambda x:x, B) |
|
273 | C = view.apply_sync(lambda x:x, B) | |
286 | assert_array_equal(B,C) |
|
274 | assert_array_equal(B,C) | |
287 |
|
275 | |||
288 | @skip_without('numpy') |
|
276 | @skip_without('numpy') | |
289 | def test_apply_numpy_object_dtype(self): |
|
277 | def test_apply_numpy_object_dtype(self): | |
290 | """view.apply(f, ndarray) with dtype=object""" |
|
278 | """view.apply(f, ndarray) with dtype=object""" | |
291 | import numpy |
|
279 | import numpy | |
292 | from numpy.testing.utils import assert_array_equal |
|
280 | from numpy.testing.utils import assert_array_equal | |
293 | view = self.client[-1] |
|
281 | view = self.client[-1] | |
294 |
|
282 | |||
295 | A = numpy.array([dict(a=5)]) |
|
283 | A = numpy.array([dict(a=5)]) | |
296 | B = view.apply_sync(lambda x:x, A) |
|
284 | B = view.apply_sync(lambda x:x, A) | |
297 | assert_array_equal(A,B) |
|
285 | assert_array_equal(A,B) | |
298 |
|
286 | |||
299 | A = numpy.array([(0, dict(b=10))], dtype=[('i', int), ('o', object)]) |
|
287 | A = numpy.array([(0, dict(b=10))], dtype=[('i', int), ('o', object)]) | |
300 | B = view.apply_sync(lambda x:x, A) |
|
288 | B = view.apply_sync(lambda x:x, A) | |
301 | assert_array_equal(A,B) |
|
289 | assert_array_equal(A,B) | |
302 |
|
290 | |||
303 | @skip_without('numpy') |
|
291 | @skip_without('numpy') | |
304 | def test_push_pull_recarray(self): |
|
292 | def test_push_pull_recarray(self): | |
305 | """push/pull recarrays""" |
|
293 | """push/pull recarrays""" | |
306 | import numpy |
|
294 | import numpy | |
307 | from numpy.testing.utils import assert_array_equal |
|
295 | from numpy.testing.utils import assert_array_equal | |
308 |
|
296 | |||
309 | view = self.client[-1] |
|
297 | view = self.client[-1] | |
310 |
|
298 | |||
311 | R = numpy.array([ |
|
299 | R = numpy.array([ | |
312 | (1, 'hi', 0.), |
|
300 | (1, 'hi', 0.), | |
313 | (2**30, 'there', 2.5), |
|
301 | (2**30, 'there', 2.5), | |
314 | (-99999, 'world', -12345.6789), |
|
302 | (-99999, 'world', -12345.6789), | |
315 | ], [('n', int), ('s', '|S10'), ('f', float)]) |
|
303 | ], [('n', int), ('s', '|S10'), ('f', float)]) | |
316 |
|
304 | |||
317 | view['RR'] = R |
|
305 | view['RR'] = R | |
318 | R2 = view['RR'] |
|
306 | R2 = view['RR'] | |
319 |
|
307 | |||
320 | 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))) | |
321 | self.assertEqual(r_dtype, R.dtype) |
|
309 | self.assertEqual(r_dtype, R.dtype) | |
322 | self.assertEqual(r_shape, R.shape) |
|
310 | self.assertEqual(r_shape, R.shape) | |
323 | self.assertEqual(R2.dtype, R.dtype) |
|
311 | self.assertEqual(R2.dtype, R.dtype) | |
324 | self.assertEqual(R2.shape, R.shape) |
|
312 | self.assertEqual(R2.shape, R.shape) | |
325 | assert_array_equal(R2, R) |
|
313 | assert_array_equal(R2, R) | |
326 |
|
314 | |||
327 | @skip_without('pandas') |
|
315 | @skip_without('pandas') | |
328 | def test_push_pull_timeseries(self): |
|
316 | def test_push_pull_timeseries(self): | |
329 | """push/pull pandas.TimeSeries""" |
|
317 | """push/pull pandas.TimeSeries""" | |
330 | import pandas |
|
318 | import pandas | |
331 |
|
319 | |||
332 | ts = pandas.TimeSeries(list(range(10))) |
|
320 | ts = pandas.TimeSeries(list(range(10))) | |
333 |
|
321 | |||
334 | view = self.client[-1] |
|
322 | view = self.client[-1] | |
335 |
|
323 | |||
336 | view.push(dict(ts=ts), block=True) |
|
324 | view.push(dict(ts=ts), block=True) | |
337 | rts = view['ts'] |
|
325 | rts = view['ts'] | |
338 |
|
326 | |||
339 | self.assertEqual(type(rts), type(ts)) |
|
327 | self.assertEqual(type(rts), type(ts)) | |
340 | self.assertTrue((ts == rts).all()) |
|
328 | self.assertTrue((ts == rts).all()) | |
341 |
|
329 | |||
342 | def test_map(self): |
|
330 | def test_map(self): | |
343 | view = self.client[:] |
|
331 | view = self.client[:] | |
344 | def f(x): |
|
332 | def f(x): | |
345 | return x**2 |
|
333 | return x**2 | |
346 | data = list(range(16)) |
|
334 | data = list(range(16)) | |
347 | r = view.map_sync(f, data) |
|
335 | r = view.map_sync(f, data) | |
348 | self.assertEqual(r, list(map(f, data))) |
|
336 | self.assertEqual(r, list(map(f, data))) | |
349 |
|
337 | |||
|
338 | def test_map_empty_sequence(self): | |||
|
339 | view = self.client[:] | |||
|
340 | r = view.map_sync(lambda x: x, []) | |||
|
341 | self.assertEqual(r, []) | |||
|
342 | ||||
350 | def test_map_iterable(self): |
|
343 | def test_map_iterable(self): | |
351 | """test map on iterables (direct)""" |
|
344 | """test map on iterables (direct)""" | |
352 | view = self.client[:] |
|
345 | view = self.client[:] | |
353 | # 101 is prime, so it won't be evenly distributed |
|
346 | # 101 is prime, so it won't be evenly distributed | |
354 | arr = range(101) |
|
347 | arr = range(101) | |
355 | # ensure it will be an iterator, even in Python 3 |
|
348 | # ensure it will be an iterator, even in Python 3 | |
356 | it = iter(arr) |
|
349 | it = iter(arr) | |
357 | r = view.map_sync(lambda x: x, it) |
|
350 | r = view.map_sync(lambda x: x, it) | |
358 | self.assertEqual(r, list(arr)) |
|
351 | self.assertEqual(r, list(arr)) | |
359 |
|
352 | |||
360 | @skip_without('numpy') |
|
353 | @skip_without('numpy') | |
361 | def test_map_numpy(self): |
|
354 | def test_map_numpy(self): | |
362 | """test map on numpy arrays (direct)""" |
|
355 | """test map on numpy arrays (direct)""" | |
363 | import numpy |
|
356 | import numpy | |
364 | from numpy.testing.utils import assert_array_equal |
|
357 | from numpy.testing.utils import assert_array_equal | |
365 |
|
358 | |||
366 | view = self.client[:] |
|
359 | view = self.client[:] | |
367 | # 101 is prime, so it won't be evenly distributed |
|
360 | # 101 is prime, so it won't be evenly distributed | |
368 | arr = numpy.arange(101) |
|
361 | arr = numpy.arange(101) | |
369 | r = view.map_sync(lambda x: x, arr) |
|
362 | r = view.map_sync(lambda x: x, arr) | |
370 | assert_array_equal(r, arr) |
|
363 | assert_array_equal(r, arr) | |
371 |
|
364 | |||
372 | def test_scatter_gather_nonblocking(self): |
|
365 | def test_scatter_gather_nonblocking(self): | |
373 | data = list(range(16)) |
|
366 | data = list(range(16)) | |
374 | view = self.client[:] |
|
367 | view = self.client[:] | |
375 | view.scatter('a', data, block=False) |
|
368 | view.scatter('a', data, block=False) | |
376 | ar = view.gather('a', block=False) |
|
369 | ar = view.gather('a', block=False) | |
377 | self.assertEqual(ar.get(), data) |
|
370 | self.assertEqual(ar.get(), data) | |
378 |
|
371 | |||
379 | @skip_without('numpy') |
|
372 | @skip_without('numpy') | |
380 | def test_scatter_gather_numpy_nonblocking(self): |
|
373 | def test_scatter_gather_numpy_nonblocking(self): | |
381 | import numpy |
|
374 | import numpy | |
382 | from numpy.testing.utils import assert_array_equal |
|
375 | from numpy.testing.utils import assert_array_equal | |
383 | a = numpy.arange(64) |
|
376 | a = numpy.arange(64) | |
384 | view = self.client[:] |
|
377 | view = self.client[:] | |
385 | ar = view.scatter('a', a, block=False) |
|
378 | ar = view.scatter('a', a, block=False) | |
386 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
379 | self.assertTrue(isinstance(ar, AsyncResult)) | |
387 | amr = view.gather('a', block=False) |
|
380 | amr = view.gather('a', block=False) | |
388 | self.assertTrue(isinstance(amr, AsyncMapResult)) |
|
381 | self.assertTrue(isinstance(amr, AsyncMapResult)) | |
389 | assert_array_equal(amr.get(), a) |
|
382 | assert_array_equal(amr.get(), a) | |
390 |
|
383 | |||
391 | def test_execute(self): |
|
384 | def test_execute(self): | |
392 | view = self.client[:] |
|
385 | view = self.client[:] | |
393 | # self.client.debug=True |
|
386 | # self.client.debug=True | |
394 | execute = view.execute |
|
387 | execute = view.execute | |
395 | ar = execute('c=30', block=False) |
|
388 | ar = execute('c=30', block=False) | |
396 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
389 | self.assertTrue(isinstance(ar, AsyncResult)) | |
397 | ar = execute('d=[0,1,2]', block=False) |
|
390 | ar = execute('d=[0,1,2]', block=False) | |
398 | self.client.wait(ar, 1) |
|
391 | self.client.wait(ar, 1) | |
399 | self.assertEqual(len(ar.get()), len(self.client)) |
|
392 | self.assertEqual(len(ar.get()), len(self.client)) | |
400 | for c in view['c']: |
|
393 | for c in view['c']: | |
401 | self.assertEqual(c, 30) |
|
394 | self.assertEqual(c, 30) | |
402 |
|
395 | |||
403 | def test_abort(self): |
|
396 | def test_abort(self): | |
404 | view = self.client[-1] |
|
397 | view = self.client[-1] | |
405 | ar = view.execute('import time; time.sleep(1)', block=False) |
|
398 | ar = view.execute('import time; time.sleep(1)', block=False) | |
406 | ar2 = view.apply_async(lambda : 2) |
|
399 | ar2 = view.apply_async(lambda : 2) | |
407 | ar3 = view.apply_async(lambda : 3) |
|
400 | ar3 = view.apply_async(lambda : 3) | |
408 | view.abort(ar2) |
|
401 | view.abort(ar2) | |
409 | view.abort(ar3.msg_ids) |
|
402 | view.abort(ar3.msg_ids) | |
410 | self.assertRaises(error.TaskAborted, ar2.get) |
|
403 | self.assertRaises(error.TaskAborted, ar2.get) | |
411 | self.assertRaises(error.TaskAborted, ar3.get) |
|
404 | self.assertRaises(error.TaskAborted, ar3.get) | |
412 |
|
405 | |||
413 | def test_abort_all(self): |
|
406 | def test_abort_all(self): | |
414 | """view.abort() aborts all outstanding tasks""" |
|
407 | """view.abort() aborts all outstanding tasks""" | |
415 | view = self.client[-1] |
|
408 | view = self.client[-1] | |
416 | ars = [ view.apply_async(time.sleep, 0.25) for i in range(10) ] |
|
409 | ars = [ view.apply_async(time.sleep, 0.25) for i in range(10) ] | |
417 | view.abort() |
|
410 | view.abort() | |
418 | view.wait(timeout=5) |
|
411 | view.wait(timeout=5) | |
419 | for ar in ars[5:]: |
|
412 | for ar in ars[5:]: | |
420 | self.assertRaises(error.TaskAborted, ar.get) |
|
413 | self.assertRaises(error.TaskAborted, ar.get) | |
421 |
|
414 | |||
422 | def test_temp_flags(self): |
|
415 | def test_temp_flags(self): | |
423 | view = self.client[-1] |
|
416 | view = self.client[-1] | |
424 | view.block=True |
|
417 | view.block=True | |
425 | with view.temp_flags(block=False): |
|
418 | with view.temp_flags(block=False): | |
426 | self.assertFalse(view.block) |
|
419 | self.assertFalse(view.block) | |
427 | self.assertTrue(view.block) |
|
420 | self.assertTrue(view.block) | |
428 |
|
421 | |||
429 | @dec.known_failure_py3 |
|
422 | @dec.known_failure_py3 | |
430 | def test_importer(self): |
|
423 | def test_importer(self): | |
431 | view = self.client[-1] |
|
424 | view = self.client[-1] | |
432 | view.clear(block=True) |
|
425 | view.clear(block=True) | |
433 | with view.importer: |
|
426 | with view.importer: | |
434 | import re |
|
427 | import re | |
435 |
|
428 | |||
436 | @interactive |
|
429 | @interactive | |
437 | def findall(pat, s): |
|
430 | def findall(pat, s): | |
438 | # this globals() step isn't necessary in real code |
|
431 | # this globals() step isn't necessary in real code | |
439 | # only to prevent a closure in the test |
|
432 | # only to prevent a closure in the test | |
440 | re = globals()['re'] |
|
433 | re = globals()['re'] | |
441 | return re.findall(pat, s) |
|
434 | return re.findall(pat, s) | |
442 |
|
435 | |||
443 | self.assertEqual(view.apply_sync(findall, '\w+', 'hello world'), 'hello world'.split()) |
|
436 | self.assertEqual(view.apply_sync(findall, '\w+', 'hello world'), 'hello world'.split()) | |
444 |
|
437 | |||
445 | def test_unicode_execute(self): |
|
438 | def test_unicode_execute(self): | |
446 | """test executing unicode strings""" |
|
439 | """test executing unicode strings""" | |
447 | v = self.client[-1] |
|
440 | v = self.client[-1] | |
448 | v.block=True |
|
441 | v.block=True | |
449 | if sys.version_info[0] >= 3: |
|
442 | if sys.version_info[0] >= 3: | |
450 | code="a='é'" |
|
443 | code="a='é'" | |
451 | else: |
|
444 | else: | |
452 | code=u"a=u'é'" |
|
445 | code=u"a=u'é'" | |
453 | v.execute(code) |
|
446 | v.execute(code) | |
454 | self.assertEqual(v['a'], u'é') |
|
447 | self.assertEqual(v['a'], u'é') | |
455 |
|
448 | |||
456 | def test_unicode_apply_result(self): |
|
449 | def test_unicode_apply_result(self): | |
457 | """test unicode apply results""" |
|
450 | """test unicode apply results""" | |
458 | v = self.client[-1] |
|
451 | v = self.client[-1] | |
459 | r = v.apply_sync(lambda : u'é') |
|
452 | r = v.apply_sync(lambda : u'é') | |
460 | self.assertEqual(r, u'é') |
|
453 | self.assertEqual(r, u'é') | |
461 |
|
454 | |||
462 | def test_unicode_apply_arg(self): |
|
455 | def test_unicode_apply_arg(self): | |
463 | """test passing unicode arguments to apply""" |
|
456 | """test passing unicode arguments to apply""" | |
464 | v = self.client[-1] |
|
457 | v = self.client[-1] | |
465 |
|
458 | |||
466 | @interactive |
|
459 | @interactive | |
467 | def check_unicode(a, check): |
|
460 | def check_unicode(a, check): | |
468 | assert not isinstance(a, bytes), "%r is bytes, not unicode"%a |
|
461 | assert not isinstance(a, bytes), "%r is bytes, not unicode"%a | |
469 | assert isinstance(check, bytes), "%r is not bytes"%check |
|
462 | assert isinstance(check, bytes), "%r is not bytes"%check | |
470 | assert a.encode('utf8') == check, "%s != %s"%(a,check) |
|
463 | assert a.encode('utf8') == check, "%s != %s"%(a,check) | |
471 |
|
464 | |||
472 | for s in [ u'é', u'ßø®∫',u'asdf' ]: |
|
465 | for s in [ u'é', u'ßø®∫',u'asdf' ]: | |
473 | try: |
|
466 | try: | |
474 | v.apply_sync(check_unicode, s, s.encode('utf8')) |
|
467 | v.apply_sync(check_unicode, s, s.encode('utf8')) | |
475 | except error.RemoteError as e: |
|
468 | except error.RemoteError as e: | |
476 | if e.ename == 'AssertionError': |
|
469 | if e.ename == 'AssertionError': | |
477 | self.fail(e.evalue) |
|
470 | self.fail(e.evalue) | |
478 | else: |
|
471 | else: | |
479 | raise e |
|
472 | raise e | |
480 |
|
473 | |||
481 | def test_map_reference(self): |
|
474 | def test_map_reference(self): | |
482 | """view.map(<Reference>, *seqs) should work""" |
|
475 | """view.map(<Reference>, *seqs) should work""" | |
483 | v = self.client[:] |
|
476 | v = self.client[:] | |
484 | v.scatter('n', self.client.ids, flatten=True) |
|
477 | v.scatter('n', self.client.ids, flatten=True) | |
485 | v.execute("f = lambda x,y: x*y") |
|
478 | v.execute("f = lambda x,y: x*y") | |
486 | rf = pmod.Reference('f') |
|
479 | rf = pmod.Reference('f') | |
487 | nlist = list(range(10)) |
|
480 | nlist = list(range(10)) | |
488 | mlist = nlist[::-1] |
|
481 | mlist = nlist[::-1] | |
489 | expected = [ m*n for m,n in zip(mlist, nlist) ] |
|
482 | expected = [ m*n for m,n in zip(mlist, nlist) ] | |
490 | result = v.map_sync(rf, mlist, nlist) |
|
483 | result = v.map_sync(rf, mlist, nlist) | |
491 | self.assertEqual(result, expected) |
|
484 | self.assertEqual(result, expected) | |
492 |
|
485 | |||
493 | def test_apply_reference(self): |
|
486 | def test_apply_reference(self): | |
494 | """view.apply(<Reference>, *args) should work""" |
|
487 | """view.apply(<Reference>, *args) should work""" | |
495 | v = self.client[:] |
|
488 | v = self.client[:] | |
496 | v.scatter('n', self.client.ids, flatten=True) |
|
489 | v.scatter('n', self.client.ids, flatten=True) | |
497 | v.execute("f = lambda x: n*x") |
|
490 | v.execute("f = lambda x: n*x") | |
498 | rf = pmod.Reference('f') |
|
491 | rf = pmod.Reference('f') | |
499 | result = v.apply_sync(rf, 5) |
|
492 | result = v.apply_sync(rf, 5) | |
500 | expected = [ 5*id for id in self.client.ids ] |
|
493 | expected = [ 5*id for id in self.client.ids ] | |
501 | self.assertEqual(result, expected) |
|
494 | self.assertEqual(result, expected) | |
502 |
|
495 | |||
503 | def test_eval_reference(self): |
|
496 | def test_eval_reference(self): | |
504 | v = self.client[self.client.ids[0]] |
|
497 | v = self.client[self.client.ids[0]] | |
505 | v['g'] = list(range(5)) |
|
498 | v['g'] = list(range(5)) | |
506 | rg = pmod.Reference('g[0]') |
|
499 | rg = pmod.Reference('g[0]') | |
507 | echo = lambda x:x |
|
500 | echo = lambda x:x | |
508 | self.assertEqual(v.apply_sync(echo, rg), 0) |
|
501 | self.assertEqual(v.apply_sync(echo, rg), 0) | |
509 |
|
502 | |||
510 | def test_reference_nameerror(self): |
|
503 | def test_reference_nameerror(self): | |
511 | v = self.client[self.client.ids[0]] |
|
504 | v = self.client[self.client.ids[0]] | |
512 | r = pmod.Reference('elvis_has_left') |
|
505 | r = pmod.Reference('elvis_has_left') | |
513 | echo = lambda x:x |
|
506 | echo = lambda x:x | |
514 | self.assertRaisesRemote(NameError, v.apply_sync, echo, r) |
|
507 | self.assertRaisesRemote(NameError, v.apply_sync, echo, r) | |
515 |
|
508 | |||
516 | def test_single_engine_map(self): |
|
509 | def test_single_engine_map(self): | |
517 | e0 = self.client[self.client.ids[0]] |
|
510 | e0 = self.client[self.client.ids[0]] | |
518 | r = list(range(5)) |
|
511 | r = list(range(5)) | |
519 | check = [ -1*i for i in r ] |
|
512 | check = [ -1*i for i in r ] | |
520 | result = e0.map_sync(lambda x: -1*x, r) |
|
513 | result = e0.map_sync(lambda x: -1*x, r) | |
521 | self.assertEqual(result, check) |
|
514 | self.assertEqual(result, check) | |
522 |
|
515 | |||
523 | def test_len(self): |
|
516 | def test_len(self): | |
524 | """len(view) makes sense""" |
|
517 | """len(view) makes sense""" | |
525 | e0 = self.client[self.client.ids[0]] |
|
518 | e0 = self.client[self.client.ids[0]] | |
526 | self.assertEqual(len(e0), 1) |
|
519 | self.assertEqual(len(e0), 1) | |
527 | v = self.client[:] |
|
520 | v = self.client[:] | |
528 | self.assertEqual(len(v), len(self.client.ids)) |
|
521 | self.assertEqual(len(v), len(self.client.ids)) | |
529 | v = self.client.direct_view('all') |
|
522 | v = self.client.direct_view('all') | |
530 | self.assertEqual(len(v), len(self.client.ids)) |
|
523 | self.assertEqual(len(v), len(self.client.ids)) | |
531 | v = self.client[:2] |
|
524 | v = self.client[:2] | |
532 | self.assertEqual(len(v), 2) |
|
525 | self.assertEqual(len(v), 2) | |
533 | v = self.client[:1] |
|
526 | v = self.client[:1] | |
534 | self.assertEqual(len(v), 1) |
|
527 | self.assertEqual(len(v), 1) | |
535 | v = self.client.load_balanced_view() |
|
528 | v = self.client.load_balanced_view() | |
536 | self.assertEqual(len(v), len(self.client.ids)) |
|
529 | self.assertEqual(len(v), len(self.client.ids)) | |
537 |
|
530 | |||
538 |
|
531 | |||
539 | # begin execute tests |
|
532 | # begin execute tests | |
540 |
|
533 | |||
541 | def test_execute_reply(self): |
|
534 | def test_execute_reply(self): | |
542 | e0 = self.client[self.client.ids[0]] |
|
535 | e0 = self.client[self.client.ids[0]] | |
543 | e0.block = True |
|
536 | e0.block = True | |
544 | ar = e0.execute("5", silent=False) |
|
537 | ar = e0.execute("5", silent=False) | |
545 | er = ar.get() |
|
538 | er = ar.get() | |
546 | self.assertEqual(str(er), "<ExecuteReply[%i]: 5>" % er.execution_count) |
|
539 | self.assertEqual(str(er), "<ExecuteReply[%i]: 5>" % er.execution_count) | |
547 | self.assertEqual(er.pyout['data']['text/plain'], '5') |
|
540 | self.assertEqual(er.pyout['data']['text/plain'], '5') | |
548 |
|
541 | |||
549 | def test_execute_reply_rich(self): |
|
542 | def test_execute_reply_rich(self): | |
550 | e0 = self.client[self.client.ids[0]] |
|
543 | e0 = self.client[self.client.ids[0]] | |
551 | e0.block = True |
|
544 | e0.block = True | |
552 | e0.execute("from IPython.display import Image, HTML") |
|
545 | e0.execute("from IPython.display import Image, HTML") | |
553 | ar = e0.execute("Image(data=b'garbage', format='png', width=10)", silent=False) |
|
546 | ar = e0.execute("Image(data=b'garbage', format='png', width=10)", silent=False) | |
554 | er = ar.get() |
|
547 | er = ar.get() | |
555 | b64data = base64.encodestring(b'garbage').decode('ascii') |
|
548 | b64data = base64.encodestring(b'garbage').decode('ascii') | |
556 | self.assertEqual(er._repr_png_(), (b64data, dict(width=10))) |
|
549 | self.assertEqual(er._repr_png_(), (b64data, dict(width=10))) | |
557 | ar = e0.execute("HTML('<b>bold</b>')", silent=False) |
|
550 | ar = e0.execute("HTML('<b>bold</b>')", silent=False) | |
558 | er = ar.get() |
|
551 | er = ar.get() | |
559 | self.assertEqual(er._repr_html_(), "<b>bold</b>") |
|
552 | self.assertEqual(er._repr_html_(), "<b>bold</b>") | |
560 |
|
553 | |||
561 | def test_execute_reply_stdout(self): |
|
554 | def test_execute_reply_stdout(self): | |
562 | e0 = self.client[self.client.ids[0]] |
|
555 | e0 = self.client[self.client.ids[0]] | |
563 | e0.block = True |
|
556 | e0.block = True | |
564 | ar = e0.execute("print (5)", silent=False) |
|
557 | ar = e0.execute("print (5)", silent=False) | |
565 | er = ar.get() |
|
558 | er = ar.get() | |
566 | self.assertEqual(er.stdout.strip(), '5') |
|
559 | self.assertEqual(er.stdout.strip(), '5') | |
567 |
|
560 | |||
568 | def test_execute_pyout(self): |
|
561 | def test_execute_pyout(self): | |
569 | """execute triggers pyout with silent=False""" |
|
562 | """execute triggers pyout with silent=False""" | |
570 | view = self.client[:] |
|
563 | view = self.client[:] | |
571 | ar = view.execute("5", silent=False, block=True) |
|
564 | ar = view.execute("5", silent=False, block=True) | |
572 |
|
565 | |||
573 | expected = [{'text/plain' : '5'}] * len(view) |
|
566 | expected = [{'text/plain' : '5'}] * len(view) | |
574 | mimes = [ out['data'] for out in ar.pyout ] |
|
567 | mimes = [ out['data'] for out in ar.pyout ] | |
575 | self.assertEqual(mimes, expected) |
|
568 | self.assertEqual(mimes, expected) | |
576 |
|
569 | |||
577 | def test_execute_silent(self): |
|
570 | def test_execute_silent(self): | |
578 | """execute does not trigger pyout with silent=True""" |
|
571 | """execute does not trigger pyout with silent=True""" | |
579 | view = self.client[:] |
|
572 | view = self.client[:] | |
580 | ar = view.execute("5", block=True) |
|
573 | ar = view.execute("5", block=True) | |
581 | expected = [None] * len(view) |
|
574 | expected = [None] * len(view) | |
582 | self.assertEqual(ar.pyout, expected) |
|
575 | self.assertEqual(ar.pyout, expected) | |
583 |
|
576 | |||
584 | def test_execute_magic(self): |
|
577 | def test_execute_magic(self): | |
585 | """execute accepts IPython commands""" |
|
578 | """execute accepts IPython commands""" | |
586 | view = self.client[:] |
|
579 | view = self.client[:] | |
587 | view.execute("a = 5") |
|
580 | view.execute("a = 5") | |
588 | ar = view.execute("%whos", block=True) |
|
581 | ar = view.execute("%whos", block=True) | |
589 | # this will raise, if that failed |
|
582 | # this will raise, if that failed | |
590 | ar.get(5) |
|
583 | ar.get(5) | |
591 | for stdout in ar.stdout: |
|
584 | for stdout in ar.stdout: | |
592 | lines = stdout.splitlines() |
|
585 | lines = stdout.splitlines() | |
593 | self.assertEqual(lines[0].split(), ['Variable', 'Type', 'Data/Info']) |
|
586 | self.assertEqual(lines[0].split(), ['Variable', 'Type', 'Data/Info']) | |
594 | found = False |
|
587 | found = False | |
595 | for line in lines[2:]: |
|
588 | for line in lines[2:]: | |
596 | split = line.split() |
|
589 | split = line.split() | |
597 | if split == ['a', 'int', '5']: |
|
590 | if split == ['a', 'int', '5']: | |
598 | found = True |
|
591 | found = True | |
599 | break |
|
592 | break | |
600 | self.assertTrue(found, "whos output wrong: %s" % stdout) |
|
593 | self.assertTrue(found, "whos output wrong: %s" % stdout) | |
601 |
|
594 | |||
602 | def test_execute_displaypub(self): |
|
595 | def test_execute_displaypub(self): | |
603 | """execute tracks display_pub output""" |
|
596 | """execute tracks display_pub output""" | |
604 | view = self.client[:] |
|
597 | view = self.client[:] | |
605 | view.execute("from IPython.core.display import *") |
|
598 | view.execute("from IPython.core.display import *") | |
606 | ar = view.execute("[ display(i) for i in range(5) ]", block=True) |
|
599 | ar = view.execute("[ display(i) for i in range(5) ]", block=True) | |
607 |
|
600 | |||
608 | expected = [ {u'text/plain' : unicode_type(j)} for j in range(5) ] |
|
601 | expected = [ {u'text/plain' : unicode_type(j)} for j in range(5) ] | |
609 | for outputs in ar.outputs: |
|
602 | for outputs in ar.outputs: | |
610 | mimes = [ out['data'] for out in outputs ] |
|
603 | mimes = [ out['data'] for out in outputs ] | |
611 | self.assertEqual(mimes, expected) |
|
604 | self.assertEqual(mimes, expected) | |
612 |
|
605 | |||
613 | def test_apply_displaypub(self): |
|
606 | def test_apply_displaypub(self): | |
614 | """apply tracks display_pub output""" |
|
607 | """apply tracks display_pub output""" | |
615 | view = self.client[:] |
|
608 | view = self.client[:] | |
616 | view.execute("from IPython.core.display import *") |
|
609 | view.execute("from IPython.core.display import *") | |
617 |
|
610 | |||
618 | @interactive |
|
611 | @interactive | |
619 | def publish(): |
|
612 | def publish(): | |
620 | [ display(i) for i in range(5) ] |
|
613 | [ display(i) for i in range(5) ] | |
621 |
|
614 | |||
622 | ar = view.apply_async(publish) |
|
615 | ar = view.apply_async(publish) | |
623 | ar.get(5) |
|
616 | ar.get(5) | |
624 | expected = [ {u'text/plain' : unicode_type(j)} for j in range(5) ] |
|
617 | expected = [ {u'text/plain' : unicode_type(j)} for j in range(5) ] | |
625 | for outputs in ar.outputs: |
|
618 | for outputs in ar.outputs: | |
626 | mimes = [ out['data'] for out in outputs ] |
|
619 | mimes = [ out['data'] for out in outputs ] | |
627 | self.assertEqual(mimes, expected) |
|
620 | self.assertEqual(mimes, expected) | |
628 |
|
621 | |||
629 | def test_execute_raises(self): |
|
622 | def test_execute_raises(self): | |
630 | """exceptions in execute requests raise appropriately""" |
|
623 | """exceptions in execute requests raise appropriately""" | |
631 | view = self.client[-1] |
|
624 | view = self.client[-1] | |
632 | ar = view.execute("1/0") |
|
625 | ar = view.execute("1/0") | |
633 | self.assertRaisesRemote(ZeroDivisionError, ar.get, 2) |
|
626 | self.assertRaisesRemote(ZeroDivisionError, ar.get, 2) | |
634 |
|
627 | |||
635 | def test_remoteerror_render_exception(self): |
|
628 | def test_remoteerror_render_exception(self): | |
636 | """RemoteErrors get nice tracebacks""" |
|
629 | """RemoteErrors get nice tracebacks""" | |
637 | view = self.client[-1] |
|
630 | view = self.client[-1] | |
638 | ar = view.execute("1/0") |
|
631 | ar = view.execute("1/0") | |
639 | ip = get_ipython() |
|
632 | ip = get_ipython() | |
640 | ip.user_ns['ar'] = ar |
|
633 | ip.user_ns['ar'] = ar | |
641 | with capture_output() as io: |
|
634 | with capture_output() as io: | |
642 | ip.run_cell("ar.get(2)") |
|
635 | ip.run_cell("ar.get(2)") | |
643 |
|
636 | |||
644 | self.assertTrue('ZeroDivisionError' in io.stdout, io.stdout) |
|
637 | self.assertTrue('ZeroDivisionError' in io.stdout, io.stdout) | |
645 |
|
638 | |||
646 | def test_compositeerror_render_exception(self): |
|
639 | def test_compositeerror_render_exception(self): | |
647 | """CompositeErrors get nice tracebacks""" |
|
640 | """CompositeErrors get nice tracebacks""" | |
648 | view = self.client[:] |
|
641 | view = self.client[:] | |
649 | ar = view.execute("1/0") |
|
642 | ar = view.execute("1/0") | |
650 | ip = get_ipython() |
|
643 | ip = get_ipython() | |
651 | ip.user_ns['ar'] = ar |
|
644 | ip.user_ns['ar'] = ar | |
652 |
|
645 | |||
653 | with capture_output() as io: |
|
646 | with capture_output() as io: | |
654 | ip.run_cell("ar.get(2)") |
|
647 | ip.run_cell("ar.get(2)") | |
655 |
|
648 | |||
656 | count = min(error.CompositeError.tb_limit, len(view)) |
|
649 | count = min(error.CompositeError.tb_limit, len(view)) | |
657 |
|
650 | |||
658 | self.assertEqual(io.stdout.count('ZeroDivisionError'), count * 2, io.stdout) |
|
651 | self.assertEqual(io.stdout.count('ZeroDivisionError'), count * 2, io.stdout) | |
659 | self.assertEqual(io.stdout.count('by zero'), count, io.stdout) |
|
652 | self.assertEqual(io.stdout.count('by zero'), count, io.stdout) | |
660 | self.assertEqual(io.stdout.count(':execute'), count, io.stdout) |
|
653 | self.assertEqual(io.stdout.count(':execute'), count, io.stdout) | |
661 |
|
654 | |||
662 | def test_compositeerror_truncate(self): |
|
655 | def test_compositeerror_truncate(self): | |
663 | """Truncate CompositeErrors with many exceptions""" |
|
656 | """Truncate CompositeErrors with many exceptions""" | |
664 | view = self.client[:] |
|
657 | view = self.client[:] | |
665 | msg_ids = [] |
|
658 | msg_ids = [] | |
666 | for i in range(10): |
|
659 | for i in range(10): | |
667 | ar = view.execute("1/0") |
|
660 | ar = view.execute("1/0") | |
668 | msg_ids.extend(ar.msg_ids) |
|
661 | msg_ids.extend(ar.msg_ids) | |
669 |
|
662 | |||
670 | ar = self.client.get_result(msg_ids) |
|
663 | ar = self.client.get_result(msg_ids) | |
671 | try: |
|
664 | try: | |
672 | ar.get() |
|
665 | ar.get() | |
673 | except error.CompositeError as _e: |
|
666 | except error.CompositeError as _e: | |
674 | e = _e |
|
667 | e = _e | |
675 | else: |
|
668 | else: | |
676 | self.fail("Should have raised CompositeError") |
|
669 | self.fail("Should have raised CompositeError") | |
677 |
|
670 | |||
678 | lines = e.render_traceback() |
|
671 | lines = e.render_traceback() | |
679 | with capture_output() as io: |
|
672 | with capture_output() as io: | |
680 | e.print_traceback() |
|
673 | e.print_traceback() | |
681 |
|
674 | |||
682 | self.assertTrue("more exceptions" in lines[-1]) |
|
675 | self.assertTrue("more exceptions" in lines[-1]) | |
683 | count = e.tb_limit |
|
676 | count = e.tb_limit | |
684 |
|
677 | |||
685 | self.assertEqual(io.stdout.count('ZeroDivisionError'), 2 * count, io.stdout) |
|
678 | self.assertEqual(io.stdout.count('ZeroDivisionError'), 2 * count, io.stdout) | |
686 | self.assertEqual(io.stdout.count('by zero'), count, io.stdout) |
|
679 | self.assertEqual(io.stdout.count('by zero'), count, io.stdout) | |
687 | self.assertEqual(io.stdout.count(':execute'), count, io.stdout) |
|
680 | self.assertEqual(io.stdout.count(':execute'), count, io.stdout) | |
688 |
|
681 | |||
689 | @dec.skipif_not_matplotlib |
|
682 | @dec.skipif_not_matplotlib | |
690 | def test_magic_pylab(self): |
|
683 | def test_magic_pylab(self): | |
691 | """%pylab works on engines""" |
|
684 | """%pylab works on engines""" | |
692 | view = self.client[-1] |
|
685 | view = self.client[-1] | |
693 | ar = view.execute("%pylab inline") |
|
686 | ar = view.execute("%pylab inline") | |
694 | # at least check if this raised: |
|
687 | # at least check if this raised: | |
695 | reply = ar.get(5) |
|
688 | reply = ar.get(5) | |
696 | # include imports, in case user config |
|
689 | # include imports, in case user config | |
697 | ar = view.execute("plot(rand(100))", silent=False) |
|
690 | ar = view.execute("plot(rand(100))", silent=False) | |
698 | reply = ar.get(5) |
|
691 | reply = ar.get(5) | |
699 | self.assertEqual(len(reply.outputs), 1) |
|
692 | self.assertEqual(len(reply.outputs), 1) | |
700 | output = reply.outputs[0] |
|
693 | output = reply.outputs[0] | |
701 | self.assertTrue("data" in output) |
|
694 | self.assertTrue("data" in output) | |
702 | data = output['data'] |
|
695 | data = output['data'] | |
703 | self.assertTrue("image/png" in data) |
|
696 | self.assertTrue("image/png" in data) | |
704 |
|
697 | |||
705 | def test_func_default_func(self): |
|
698 | def test_func_default_func(self): | |
706 | """interactively defined function as apply func default""" |
|
699 | """interactively defined function as apply func default""" | |
707 | def foo(): |
|
700 | def foo(): | |
708 | return 'foo' |
|
701 | return 'foo' | |
709 |
|
702 | |||
710 | def bar(f=foo): |
|
703 | def bar(f=foo): | |
711 | return f() |
|
704 | return f() | |
712 |
|
705 | |||
713 | view = self.client[-1] |
|
706 | view = self.client[-1] | |
714 | ar = view.apply_async(bar) |
|
707 | ar = view.apply_async(bar) | |
715 | r = ar.get(10) |
|
708 | r = ar.get(10) | |
716 | self.assertEqual(r, 'foo') |
|
709 | self.assertEqual(r, 'foo') | |
717 | def test_data_pub_single(self): |
|
710 | def test_data_pub_single(self): | |
718 | view = self.client[-1] |
|
711 | view = self.client[-1] | |
719 | ar = view.execute('\n'.join([ |
|
712 | ar = view.execute('\n'.join([ | |
720 | 'from IPython.kernel.zmq.datapub import publish_data', |
|
713 | 'from IPython.kernel.zmq.datapub import publish_data', | |
721 | 'for i in range(5):', |
|
714 | 'for i in range(5):', | |
722 | ' publish_data(dict(i=i))' |
|
715 | ' publish_data(dict(i=i))' | |
723 | ]), block=False) |
|
716 | ]), block=False) | |
724 | self.assertTrue(isinstance(ar.data, dict)) |
|
717 | self.assertTrue(isinstance(ar.data, dict)) | |
725 | ar.get(5) |
|
718 | ar.get(5) | |
726 | self.assertEqual(ar.data, dict(i=4)) |
|
719 | self.assertEqual(ar.data, dict(i=4)) | |
727 |
|
720 | |||
728 | def test_data_pub(self): |
|
721 | def test_data_pub(self): | |
729 | view = self.client[:] |
|
722 | view = self.client[:] | |
730 | ar = view.execute('\n'.join([ |
|
723 | ar = view.execute('\n'.join([ | |
731 | 'from IPython.kernel.zmq.datapub import publish_data', |
|
724 | 'from IPython.kernel.zmq.datapub import publish_data', | |
732 | 'for i in range(5):', |
|
725 | 'for i in range(5):', | |
733 | ' publish_data(dict(i=i))' |
|
726 | ' publish_data(dict(i=i))' | |
734 | ]), block=False) |
|
727 | ]), block=False) | |
735 | self.assertTrue(all(isinstance(d, dict) for d in ar.data)) |
|
728 | self.assertTrue(all(isinstance(d, dict) for d in ar.data)) | |
736 | ar.get(5) |
|
729 | ar.get(5) | |
737 | self.assertEqual(ar.data, [dict(i=4)] * len(ar)) |
|
730 | self.assertEqual(ar.data, [dict(i=4)] * len(ar)) | |
738 |
|
731 | |||
739 | def test_can_list_arg(self): |
|
732 | def test_can_list_arg(self): | |
740 | """args in lists are canned""" |
|
733 | """args in lists are canned""" | |
741 | view = self.client[-1] |
|
734 | view = self.client[-1] | |
742 | view['a'] = 128 |
|
735 | view['a'] = 128 | |
743 | rA = pmod.Reference('a') |
|
736 | rA = pmod.Reference('a') | |
744 | ar = view.apply_async(lambda x: x, [rA]) |
|
737 | ar = view.apply_async(lambda x: x, [rA]) | |
745 | r = ar.get(5) |
|
738 | r = ar.get(5) | |
746 | self.assertEqual(r, [128]) |
|
739 | self.assertEqual(r, [128]) | |
747 |
|
740 | |||
748 | def test_can_dict_arg(self): |
|
741 | def test_can_dict_arg(self): | |
749 | """args in dicts are canned""" |
|
742 | """args in dicts are canned""" | |
750 | view = self.client[-1] |
|
743 | view = self.client[-1] | |
751 | view['a'] = 128 |
|
744 | view['a'] = 128 | |
752 | rA = pmod.Reference('a') |
|
745 | rA = pmod.Reference('a') | |
753 | ar = view.apply_async(lambda x: x, dict(foo=rA)) |
|
746 | ar = view.apply_async(lambda x: x, dict(foo=rA)) | |
754 | r = ar.get(5) |
|
747 | r = ar.get(5) | |
755 | self.assertEqual(r, dict(foo=128)) |
|
748 | self.assertEqual(r, dict(foo=128)) | |
756 |
|
749 | |||
757 | def test_can_list_kwarg(self): |
|
750 | def test_can_list_kwarg(self): | |
758 | """kwargs in lists are canned""" |
|
751 | """kwargs in lists are canned""" | |
759 | view = self.client[-1] |
|
752 | view = self.client[-1] | |
760 | view['a'] = 128 |
|
753 | view['a'] = 128 | |
761 | rA = pmod.Reference('a') |
|
754 | rA = pmod.Reference('a') | |
762 | ar = view.apply_async(lambda x=5: x, x=[rA]) |
|
755 | ar = view.apply_async(lambda x=5: x, x=[rA]) | |
763 | r = ar.get(5) |
|
756 | r = ar.get(5) | |
764 | self.assertEqual(r, [128]) |
|
757 | self.assertEqual(r, [128]) | |
765 |
|
758 | |||
766 | def test_can_dict_kwarg(self): |
|
759 | def test_can_dict_kwarg(self): | |
767 | """kwargs in dicts are canned""" |
|
760 | """kwargs in dicts are canned""" | |
768 | view = self.client[-1] |
|
761 | view = self.client[-1] | |
769 | view['a'] = 128 |
|
762 | view['a'] = 128 | |
770 | rA = pmod.Reference('a') |
|
763 | rA = pmod.Reference('a') | |
771 | ar = view.apply_async(lambda x=5: x, dict(foo=rA)) |
|
764 | ar = view.apply_async(lambda x=5: x, dict(foo=rA)) | |
772 | r = ar.get(5) |
|
765 | r = ar.get(5) | |
773 | self.assertEqual(r, dict(foo=128)) |
|
766 | self.assertEqual(r, dict(foo=128)) | |
774 |
|
767 | |||
775 | def test_map_ref(self): |
|
768 | def test_map_ref(self): | |
776 | """view.map works with references""" |
|
769 | """view.map works with references""" | |
777 | view = self.client[:] |
|
770 | view = self.client[:] | |
778 | ranks = sorted(self.client.ids) |
|
771 | ranks = sorted(self.client.ids) | |
779 | view.scatter('rank', ranks, flatten=True) |
|
772 | view.scatter('rank', ranks, flatten=True) | |
780 | rrank = pmod.Reference('rank') |
|
773 | rrank = pmod.Reference('rank') | |
781 |
|
774 | |||
782 | amr = view.map_async(lambda x: x*2, [rrank] * len(view)) |
|
775 | amr = view.map_async(lambda x: x*2, [rrank] * len(view)) | |
783 | drank = amr.get(5) |
|
776 | drank = amr.get(5) | |
784 | self.assertEqual(drank, [ r*2 for r in ranks ]) |
|
777 | self.assertEqual(drank, [ r*2 for r in ranks ]) | |
785 |
|
778 | |||
786 | def test_nested_getitem_setitem(self): |
|
779 | def test_nested_getitem_setitem(self): | |
787 | """get and set with view['a.b']""" |
|
780 | """get and set with view['a.b']""" | |
788 | view = self.client[-1] |
|
781 | view = self.client[-1] | |
789 | view.execute('\n'.join([ |
|
782 | view.execute('\n'.join([ | |
790 | 'class A(object): pass', |
|
783 | 'class A(object): pass', | |
791 | 'a = A()', |
|
784 | 'a = A()', | |
792 | 'a.b = 128', |
|
785 | 'a.b = 128', | |
793 | ]), block=True) |
|
786 | ]), block=True) | |
794 | ra = pmod.Reference('a') |
|
787 | ra = pmod.Reference('a') | |
795 |
|
788 | |||
796 | r = view.apply_sync(lambda x: x.b, ra) |
|
789 | r = view.apply_sync(lambda x: x.b, ra) | |
797 | self.assertEqual(r, 128) |
|
790 | self.assertEqual(r, 128) | |
798 | self.assertEqual(view['a.b'], 128) |
|
791 | self.assertEqual(view['a.b'], 128) | |
799 |
|
792 | |||
800 | view['a.b'] = 0 |
|
793 | view['a.b'] = 0 | |
801 |
|
794 | |||
802 | r = view.apply_sync(lambda x: x.b, ra) |
|
795 | r = view.apply_sync(lambda x: x.b, ra) | |
803 | self.assertEqual(r, 0) |
|
796 | self.assertEqual(r, 0) | |
804 | self.assertEqual(view['a.b'], 0) |
|
797 | self.assertEqual(view['a.b'], 0) | |
805 |
|
798 | |||
806 | def test_return_namedtuple(self): |
|
799 | def test_return_namedtuple(self): | |
807 | def namedtuplify(x, y): |
|
800 | def namedtuplify(x, y): | |
808 | from IPython.parallel.tests.test_view import point |
|
801 | from IPython.parallel.tests.test_view import point | |
809 | return point(x, y) |
|
802 | return point(x, y) | |
810 |
|
803 | |||
811 | view = self.client[-1] |
|
804 | view = self.client[-1] | |
812 | p = view.apply_sync(namedtuplify, 1, 2) |
|
805 | p = view.apply_sync(namedtuplify, 1, 2) | |
813 | self.assertEqual(p.x, 1) |
|
806 | self.assertEqual(p.x, 1) | |
814 | self.assertEqual(p.y, 2) |
|
807 | self.assertEqual(p.y, 2) | |
815 |
|
808 | |||
816 | def test_apply_namedtuple(self): |
|
809 | def test_apply_namedtuple(self): | |
817 | def echoxy(p): |
|
810 | def echoxy(p): | |
818 | return p.y, p.x |
|
811 | return p.y, p.x | |
819 |
|
812 | |||
820 | view = self.client[-1] |
|
813 | view = self.client[-1] | |
821 | tup = view.apply_sync(echoxy, point(1, 2)) |
|
814 | tup = view.apply_sync(echoxy, point(1, 2)) | |
822 | self.assertEqual(tup, (2,1)) |
|
815 | self.assertEqual(tup, (2,1)) | |
823 |
|
816 | |||
824 | def test_sync_imports(self): |
|
817 | def test_sync_imports(self): | |
825 | view = self.client[-1] |
|
818 | view = self.client[-1] | |
826 | with capture_output() as io: |
|
819 | with capture_output() as io: | |
827 | with view.sync_imports(): |
|
820 | with view.sync_imports(): | |
828 | import IPython |
|
821 | import IPython | |
829 | self.assertIn("IPython", io.stdout) |
|
822 | self.assertIn("IPython", io.stdout) | |
830 |
|
823 | |||
831 | @interactive |
|
824 | @interactive | |
832 | def find_ipython(): |
|
825 | def find_ipython(): | |
833 | return 'IPython' in globals() |
|
826 | return 'IPython' in globals() | |
834 |
|
827 | |||
835 | assert view.apply_sync(find_ipython) |
|
828 | assert view.apply_sync(find_ipython) | |
836 |
|
829 | |||
837 | def test_sync_imports_quiet(self): |
|
830 | def test_sync_imports_quiet(self): | |
838 | view = self.client[-1] |
|
831 | view = self.client[-1] | |
839 | with capture_output() as io: |
|
832 | with capture_output() as io: | |
840 | with view.sync_imports(quiet=True): |
|
833 | with view.sync_imports(quiet=True): | |
841 | import IPython |
|
834 | import IPython | |
842 | self.assertEqual(io.stdout, '') |
|
835 | self.assertEqual(io.stdout, '') | |
843 |
|
836 | |||
844 | @interactive |
|
837 | @interactive | |
845 | def find_ipython(): |
|
838 | def find_ipython(): | |
846 | return 'IPython' in globals() |
|
839 | return 'IPython' in globals() | |
847 |
|
840 | |||
848 | assert view.apply_sync(find_ipython) |
|
841 | assert view.apply_sync(find_ipython) | |
849 |
|
842 |
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