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@@ -1,165 +1,171 b'' | |||||
1 | # encoding: utf-8 |
|
1 | # encoding: utf-8 | |
2 |
|
2 | |||
3 | """Classes used in scattering and gathering sequences. |
|
3 | """Classes used in scattering and gathering sequences. | |
4 |
|
4 | |||
5 | Scattering consists of partitioning a sequence and sending the various |
|
5 | Scattering consists of partitioning a sequence and sending the various | |
6 | pieces to individual nodes in a cluster. |
|
6 | pieces to individual nodes in a cluster. | |
7 |
|
7 | |||
8 |
|
8 | |||
9 | Authors: |
|
9 | Authors: | |
10 |
|
10 | |||
11 | * Brian Granger |
|
11 | * Brian Granger | |
12 | * MinRK |
|
12 | * MinRK | |
13 |
|
13 | |||
14 | """ |
|
14 | """ | |
15 |
|
15 | |||
16 | #------------------------------------------------------------------------------- |
|
16 | #------------------------------------------------------------------------------- | |
17 | # Copyright (C) 2008-2011 The IPython Development Team |
|
17 | # Copyright (C) 2008-2011 The IPython Development Team | |
18 | # |
|
18 | # | |
19 | # Distributed under the terms of the BSD License. The full license is in |
|
19 | # Distributed under the terms of the BSD License. The full license is in | |
20 | # the file COPYING, distributed as part of this software. |
|
20 | # the file COPYING, distributed as part of this software. | |
21 | #------------------------------------------------------------------------------- |
|
21 | #------------------------------------------------------------------------------- | |
22 |
|
22 | |||
23 | #------------------------------------------------------------------------------- |
|
23 | #------------------------------------------------------------------------------- | |
24 | # Imports |
|
24 | # Imports | |
25 | #------------------------------------------------------------------------------- |
|
25 | #------------------------------------------------------------------------------- | |
26 |
|
26 | |||
27 | from __future__ import division |
|
27 | from __future__ import division | |
28 |
|
28 | |||
29 | import types |
|
29 | import types | |
|
30 | from itertools import islice | |||
30 |
|
31 | |||
31 | from IPython.utils.data import flatten as utils_flatten |
|
32 | from IPython.utils.data import flatten as utils_flatten | |
32 |
|
33 | |||
33 | #------------------------------------------------------------------------------- |
|
34 | #------------------------------------------------------------------------------- | |
34 | # Figure out which array packages are present and their array types |
|
35 | # Figure out which array packages are present and their array types | |
35 | #------------------------------------------------------------------------------- |
|
36 | #------------------------------------------------------------------------------- | |
36 |
|
37 | |||
37 | arrayModules = [] |
|
38 | arrayModules = [] | |
38 | try: |
|
39 | try: | |
39 | import Numeric |
|
40 | import Numeric | |
40 | except ImportError: |
|
41 | except ImportError: | |
41 | pass |
|
42 | pass | |
42 | else: |
|
43 | else: | |
43 | arrayModules.append({'module':Numeric, 'type':Numeric.arraytype}) |
|
44 | arrayModules.append({'module':Numeric, 'type':Numeric.arraytype}) | |
44 | try: |
|
45 | try: | |
45 | import numpy |
|
46 | import numpy | |
46 | except ImportError: |
|
47 | except ImportError: | |
47 | pass |
|
48 | pass | |
48 | else: |
|
49 | else: | |
49 | arrayModules.append({'module':numpy, 'type':numpy.ndarray}) |
|
50 | arrayModules.append({'module':numpy, 'type':numpy.ndarray}) | |
50 | try: |
|
51 | try: | |
51 | import numarray |
|
52 | import numarray | |
52 | except ImportError: |
|
53 | except ImportError: | |
53 | pass |
|
54 | pass | |
54 | else: |
|
55 | else: | |
55 | arrayModules.append({'module':numarray, |
|
56 | arrayModules.append({'module':numarray, | |
56 | 'type':numarray.numarraycore.NumArray}) |
|
57 | 'type':numarray.numarraycore.NumArray}) | |
57 |
|
58 | |||
58 | class Map: |
|
59 | class Map: | |
59 | """A class for partitioning a sequence using a map.""" |
|
60 | """A class for partitioning a sequence using a map.""" | |
60 |
|
61 | |||
61 | def getPartition(self, seq, p, q): |
|
62 | def getPartition(self, seq, p, q): | |
62 | """Returns the pth partition of q partitions of seq.""" |
|
63 | """Returns the pth partition of q partitions of seq.""" | |
63 |
|
64 | |||
64 | # Test for error conditions here |
|
65 | # Test for error conditions here | |
65 | if p<0 or p>=q: |
|
66 | if p<0 or p>=q: | |
66 | print "No partition exists." |
|
67 | print "No partition exists." | |
67 | return |
|
68 | return | |
68 |
|
69 | |||
69 | remainder = len(seq)%q |
|
70 | remainder = len(seq)%q | |
70 | basesize = len(seq)//q |
|
71 | basesize = len(seq)//q | |
71 | hi = [] |
|
72 | hi = [] | |
72 | lo = [] |
|
73 | lo = [] | |
73 | for n in range(q): |
|
74 | for n in range(q): | |
74 | if n < remainder: |
|
75 | if n < remainder: | |
75 | lo.append(n * (basesize + 1)) |
|
76 | lo.append(n * (basesize + 1)) | |
76 | hi.append(lo[-1] + basesize + 1) |
|
77 | hi.append(lo[-1] + basesize + 1) | |
77 | else: |
|
78 | else: | |
78 | lo.append(n*basesize + remainder) |
|
79 | lo.append(n*basesize + remainder) | |
79 | hi.append(lo[-1] + basesize) |
|
80 | hi.append(lo[-1] + basesize) | |
80 |
|
||||
81 |
|
81 | |||
82 | result = seq[lo[p]:hi[p]] |
|
82 | try: | |
|
83 | result = seq[lo[p]:hi[p]] | |||
|
84 | except TypeError: | |||
|
85 | # some objects (iterators) can't be sliced, | |||
|
86 | # use islice: | |||
|
87 | result = list(islice(seq, lo[p], hi[p])) | |||
|
88 | ||||
83 | return result |
|
89 | return result | |
84 |
|
90 | |||
85 | def joinPartitions(self, listOfPartitions): |
|
91 | def joinPartitions(self, listOfPartitions): | |
86 | return self.concatenate(listOfPartitions) |
|
92 | return self.concatenate(listOfPartitions) | |
87 |
|
93 | |||
88 | def concatenate(self, listOfPartitions): |
|
94 | def concatenate(self, listOfPartitions): | |
89 | testObject = listOfPartitions[0] |
|
95 | testObject = listOfPartitions[0] | |
90 | # First see if we have a known array type |
|
96 | # First see if we have a known array type | |
91 | for m in arrayModules: |
|
97 | for m in arrayModules: | |
92 | #print m |
|
98 | #print m | |
93 | if isinstance(testObject, m['type']): |
|
99 | if isinstance(testObject, m['type']): | |
94 | return m['module'].concatenate(listOfPartitions) |
|
100 | return m['module'].concatenate(listOfPartitions) | |
95 | # Next try for Python sequence types |
|
101 | # Next try for Python sequence types | |
96 | if isinstance(testObject, (types.ListType, types.TupleType)): |
|
102 | if isinstance(testObject, (types.ListType, types.TupleType)): | |
97 | return utils_flatten(listOfPartitions) |
|
103 | return utils_flatten(listOfPartitions) | |
98 | # If we have scalars, just return listOfPartitions |
|
104 | # If we have scalars, just return listOfPartitions | |
99 | return listOfPartitions |
|
105 | return listOfPartitions | |
100 |
|
106 | |||
101 | class RoundRobinMap(Map): |
|
107 | class RoundRobinMap(Map): | |
102 | """Partitions a sequence in a roun robin fashion. |
|
108 | """Partitions a sequence in a roun robin fashion. | |
103 |
|
109 | |||
104 | This currently does not work! |
|
110 | This currently does not work! | |
105 | """ |
|
111 | """ | |
106 |
|
112 | |||
107 | def getPartition(self, seq, p, q): |
|
113 | def getPartition(self, seq, p, q): | |
108 | # if not isinstance(seq,(list,tuple)): |
|
114 | # if not isinstance(seq,(list,tuple)): | |
109 | # raise NotImplementedError("cannot RR partition type %s"%type(seq)) |
|
115 | # raise NotImplementedError("cannot RR partition type %s"%type(seq)) | |
110 | return seq[p:len(seq):q] |
|
116 | return seq[p:len(seq):q] | |
111 | #result = [] |
|
117 | #result = [] | |
112 | #for i in range(p,len(seq),q): |
|
118 | #for i in range(p,len(seq),q): | |
113 | # result.append(seq[i]) |
|
119 | # result.append(seq[i]) | |
114 | #return result |
|
120 | #return result | |
115 |
|
121 | |||
116 | def joinPartitions(self, listOfPartitions): |
|
122 | def joinPartitions(self, listOfPartitions): | |
117 | testObject = listOfPartitions[0] |
|
123 | testObject = listOfPartitions[0] | |
118 | # First see if we have a known array type |
|
124 | # First see if we have a known array type | |
119 | for m in arrayModules: |
|
125 | for m in arrayModules: | |
120 | #print m |
|
126 | #print m | |
121 | if isinstance(testObject, m['type']): |
|
127 | if isinstance(testObject, m['type']): | |
122 | return self.flatten_array(m['type'], listOfPartitions) |
|
128 | return self.flatten_array(m['type'], listOfPartitions) | |
123 | if isinstance(testObject, (types.ListType, types.TupleType)): |
|
129 | if isinstance(testObject, (types.ListType, types.TupleType)): | |
124 | return self.flatten_list(listOfPartitions) |
|
130 | return self.flatten_list(listOfPartitions) | |
125 | return listOfPartitions |
|
131 | return listOfPartitions | |
126 |
|
132 | |||
127 | def flatten_array(self, klass, listOfPartitions): |
|
133 | def flatten_array(self, klass, listOfPartitions): | |
128 | test = listOfPartitions[0] |
|
134 | test = listOfPartitions[0] | |
129 | shape = list(test.shape) |
|
135 | shape = list(test.shape) | |
130 | shape[0] = sum([ p.shape[0] for p in listOfPartitions]) |
|
136 | shape[0] = sum([ p.shape[0] for p in listOfPartitions]) | |
131 | A = klass(shape) |
|
137 | A = klass(shape) | |
132 | N = shape[0] |
|
138 | N = shape[0] | |
133 | q = len(listOfPartitions) |
|
139 | q = len(listOfPartitions) | |
134 | for p,part in enumerate(listOfPartitions): |
|
140 | for p,part in enumerate(listOfPartitions): | |
135 | A[p:N:q] = part |
|
141 | A[p:N:q] = part | |
136 | return A |
|
142 | return A | |
137 |
|
143 | |||
138 | def flatten_list(self, listOfPartitions): |
|
144 | def flatten_list(self, listOfPartitions): | |
139 | flat = [] |
|
145 | flat = [] | |
140 | for i in range(len(listOfPartitions[0])): |
|
146 | for i in range(len(listOfPartitions[0])): | |
141 | flat.extend([ part[i] for part in listOfPartitions if len(part) > i ]) |
|
147 | flat.extend([ part[i] for part in listOfPartitions if len(part) > i ]) | |
142 | return flat |
|
148 | return flat | |
143 | #lengths = [len(x) for x in listOfPartitions] |
|
149 | #lengths = [len(x) for x in listOfPartitions] | |
144 | #maxPartitionLength = len(listOfPartitions[0]) |
|
150 | #maxPartitionLength = len(listOfPartitions[0]) | |
145 | #numberOfPartitions = len(listOfPartitions) |
|
151 | #numberOfPartitions = len(listOfPartitions) | |
146 | #concat = self.concatenate(listOfPartitions) |
|
152 | #concat = self.concatenate(listOfPartitions) | |
147 | #totalLength = len(concat) |
|
153 | #totalLength = len(concat) | |
148 | #result = [] |
|
154 | #result = [] | |
149 | #for i in range(maxPartitionLength): |
|
155 | #for i in range(maxPartitionLength): | |
150 | # result.append(concat[i:totalLength:maxPartitionLength]) |
|
156 | # result.append(concat[i:totalLength:maxPartitionLength]) | |
151 | # return self.concatenate(listOfPartitions) |
|
157 | # return self.concatenate(listOfPartitions) | |
152 |
|
158 | |||
153 | def mappable(obj): |
|
159 | def mappable(obj): | |
154 | """return whether an object is mappable or not.""" |
|
160 | """return whether an object is mappable or not.""" | |
155 | if isinstance(obj, (tuple,list)): |
|
161 | if isinstance(obj, (tuple,list)): | |
156 | return True |
|
162 | return True | |
157 | for m in arrayModules: |
|
163 | for m in arrayModules: | |
158 | if isinstance(obj,m['type']): |
|
164 | if isinstance(obj,m['type']): | |
159 | return True |
|
165 | return True | |
160 | return False |
|
166 | return False | |
161 |
|
167 | |||
162 | dists = {'b':Map,'r':RoundRobinMap} |
|
168 | dists = {'b':Map,'r':RoundRobinMap} | |
163 |
|
169 | |||
164 |
|
170 | |||
165 |
|
171 |
@@ -1,167 +1,178 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """test LoadBalancedView objects |
|
2 | """test LoadBalancedView objects | |
3 |
|
3 | |||
4 | Authors: |
|
4 | Authors: | |
5 |
|
5 | |||
6 | * Min RK |
|
6 | * Min RK | |
7 | """ |
|
7 | """ | |
8 | #------------------------------------------------------------------------------- |
|
8 | #------------------------------------------------------------------------------- | |
9 | # Copyright (C) 2011 The IPython Development Team |
|
9 | # Copyright (C) 2011 The IPython Development Team | |
10 | # |
|
10 | # | |
11 | # Distributed under the terms of the BSD License. The full license is in |
|
11 | # Distributed under the terms of the BSD License. The full license is in | |
12 | # the file COPYING, distributed as part of this software. |
|
12 | # the file COPYING, distributed as part of this software. | |
13 | #------------------------------------------------------------------------------- |
|
13 | #------------------------------------------------------------------------------- | |
14 |
|
14 | |||
15 | #------------------------------------------------------------------------------- |
|
15 | #------------------------------------------------------------------------------- | |
16 | # Imports |
|
16 | # Imports | |
17 | #------------------------------------------------------------------------------- |
|
17 | #------------------------------------------------------------------------------- | |
18 |
|
18 | |||
19 | import sys |
|
19 | import sys | |
20 | import time |
|
20 | import time | |
21 |
|
21 | |||
22 | import zmq |
|
22 | import zmq | |
23 | from nose import SkipTest |
|
23 | from nose import SkipTest | |
24 |
|
24 | |||
25 | from IPython import parallel as pmod |
|
25 | from IPython import parallel as pmod | |
26 | from IPython.parallel import error |
|
26 | from IPython.parallel import error | |
27 |
|
27 | |||
28 | from IPython.parallel.tests import add_engines |
|
28 | from IPython.parallel.tests import add_engines | |
29 |
|
29 | |||
30 | from .clienttest import ClusterTestCase, crash, wait, skip_without |
|
30 | from .clienttest import ClusterTestCase, crash, wait, skip_without | |
31 |
|
31 | |||
32 | def setup(): |
|
32 | def setup(): | |
33 | add_engines(3) |
|
33 | add_engines(3) | |
34 |
|
34 | |||
35 | class TestLoadBalancedView(ClusterTestCase): |
|
35 | class TestLoadBalancedView(ClusterTestCase): | |
36 |
|
36 | |||
37 | def setUp(self): |
|
37 | def setUp(self): | |
38 | ClusterTestCase.setUp(self) |
|
38 | ClusterTestCase.setUp(self) | |
39 | self.view = self.client.load_balanced_view() |
|
39 | self.view = self.client.load_balanced_view() | |
40 |
|
40 | |||
41 | def test_z_crash_task(self): |
|
41 | def test_z_crash_task(self): | |
42 | """test graceful handling of engine death (balanced)""" |
|
42 | """test graceful handling of engine death (balanced)""" | |
43 | raise SkipTest("crash tests disabled, due to undesirable crash reports") |
|
43 | raise SkipTest("crash tests disabled, due to undesirable crash reports") | |
44 | # self.add_engines(1) |
|
44 | # self.add_engines(1) | |
45 | ar = self.view.apply_async(crash) |
|
45 | ar = self.view.apply_async(crash) | |
46 | self.assertRaisesRemote(error.EngineError, ar.get, 10) |
|
46 | self.assertRaisesRemote(error.EngineError, ar.get, 10) | |
47 | eid = ar.engine_id |
|
47 | eid = ar.engine_id | |
48 | tic = time.time() |
|
48 | tic = time.time() | |
49 | while eid in self.client.ids and time.time()-tic < 5: |
|
49 | while eid in self.client.ids and time.time()-tic < 5: | |
50 | time.sleep(.01) |
|
50 | time.sleep(.01) | |
51 | self.client.spin() |
|
51 | self.client.spin() | |
52 | self.assertFalse(eid in self.client.ids, "Engine should have died") |
|
52 | self.assertFalse(eid in self.client.ids, "Engine should have died") | |
53 |
|
53 | |||
54 | def test_map(self): |
|
54 | def test_map(self): | |
55 | def f(x): |
|
55 | def f(x): | |
56 | return x**2 |
|
56 | return x**2 | |
57 | data = range(16) |
|
57 | data = range(16) | |
58 | r = self.view.map_sync(f, data) |
|
58 | r = self.view.map_sync(f, data) | |
59 | self.assertEquals(r, map(f, data)) |
|
59 | self.assertEquals(r, map(f, data)) | |
60 |
|
60 | |||
61 | def test_map_unordered(self): |
|
61 | def test_map_unordered(self): | |
62 | def f(x): |
|
62 | def f(x): | |
63 | return x**2 |
|
63 | return x**2 | |
64 | def slow_f(x): |
|
64 | def slow_f(x): | |
65 | import time |
|
65 | import time | |
66 | time.sleep(0.05*x) |
|
66 | time.sleep(0.05*x) | |
67 | return x**2 |
|
67 | return x**2 | |
68 | data = range(16,0,-1) |
|
68 | data = range(16,0,-1) | |
69 | reference = map(f, data) |
|
69 | reference = map(f, data) | |
70 |
|
70 | |||
71 | amr = self.view.map_async(slow_f, data, ordered=False) |
|
71 | amr = self.view.map_async(slow_f, data, ordered=False) | |
72 | self.assertTrue(isinstance(amr, pmod.AsyncMapResult)) |
|
72 | self.assertTrue(isinstance(amr, pmod.AsyncMapResult)) | |
73 | # check individual elements, retrieved as they come |
|
73 | # check individual elements, retrieved as they come | |
74 | # list comprehension uses __iter__ |
|
74 | # list comprehension uses __iter__ | |
75 | astheycame = [ r for r in amr ] |
|
75 | astheycame = [ r for r in amr ] | |
76 | # Ensure that at least one result came out of order: |
|
76 | # Ensure that at least one result came out of order: | |
77 | self.assertNotEquals(astheycame, reference, "should not have preserved order") |
|
77 | self.assertNotEquals(astheycame, reference, "should not have preserved order") | |
78 | self.assertEquals(sorted(astheycame, reverse=True), reference, "result corrupted") |
|
78 | self.assertEquals(sorted(astheycame, reverse=True), reference, "result corrupted") | |
79 |
|
79 | |||
80 | def test_map_ordered(self): |
|
80 | def test_map_ordered(self): | |
81 | def f(x): |
|
81 | def f(x): | |
82 | return x**2 |
|
82 | return x**2 | |
83 | def slow_f(x): |
|
83 | def slow_f(x): | |
84 | import time |
|
84 | import time | |
85 | time.sleep(0.05*x) |
|
85 | time.sleep(0.05*x) | |
86 | return x**2 |
|
86 | return x**2 | |
87 | data = range(16,0,-1) |
|
87 | data = range(16,0,-1) | |
88 | reference = map(f, data) |
|
88 | reference = map(f, data) | |
89 |
|
89 | |||
90 | amr = self.view.map_async(slow_f, data) |
|
90 | amr = self.view.map_async(slow_f, data) | |
91 | self.assertTrue(isinstance(amr, pmod.AsyncMapResult)) |
|
91 | self.assertTrue(isinstance(amr, pmod.AsyncMapResult)) | |
92 | # check individual elements, retrieved as they come |
|
92 | # check individual elements, retrieved as they come | |
93 | # list(amr) uses __iter__ |
|
93 | # list(amr) uses __iter__ | |
94 | astheycame = list(amr) |
|
94 | astheycame = list(amr) | |
95 | # Ensure that results came in order |
|
95 | # Ensure that results came in order | |
96 | self.assertEquals(astheycame, reference) |
|
96 | self.assertEquals(astheycame, reference) | |
97 | self.assertEquals(amr.result, reference) |
|
97 | self.assertEquals(amr.result, reference) | |
|
98 | ||||
|
99 | def test_map_iterable(self): | |||
|
100 | """test map on iterables (balanced)""" | |||
|
101 | view = self.view | |||
|
102 | # 101 is prime, so it won't be evenly distributed | |||
|
103 | arr = range(101) | |||
|
104 | # so that it will be an iterator, even in Python 3 | |||
|
105 | it = iter(arr) | |||
|
106 | r = view.map_sync(lambda x:x, arr) | |||
|
107 | self.assertEquals(r, list(arr)) | |||
|
108 | ||||
98 |
|
109 | |||
99 | def test_abort(self): |
|
110 | def test_abort(self): | |
100 | view = self.view |
|
111 | view = self.view | |
101 | ar = self.client[:].apply_async(time.sleep, .5) |
|
112 | ar = self.client[:].apply_async(time.sleep, .5) | |
102 | ar = self.client[:].apply_async(time.sleep, .5) |
|
113 | ar = self.client[:].apply_async(time.sleep, .5) | |
103 | time.sleep(0.2) |
|
114 | time.sleep(0.2) | |
104 | ar2 = view.apply_async(lambda : 2) |
|
115 | ar2 = view.apply_async(lambda : 2) | |
105 | ar3 = view.apply_async(lambda : 3) |
|
116 | ar3 = view.apply_async(lambda : 3) | |
106 | view.abort(ar2) |
|
117 | view.abort(ar2) | |
107 | view.abort(ar3.msg_ids) |
|
118 | view.abort(ar3.msg_ids) | |
108 | self.assertRaises(error.TaskAborted, ar2.get) |
|
119 | self.assertRaises(error.TaskAborted, ar2.get) | |
109 | self.assertRaises(error.TaskAborted, ar3.get) |
|
120 | self.assertRaises(error.TaskAborted, ar3.get) | |
110 |
|
121 | |||
111 | def test_retries(self): |
|
122 | def test_retries(self): | |
112 | add_engines(3) |
|
123 | add_engines(3) | |
113 | view = self.view |
|
124 | view = self.view | |
114 | view.timeout = 1 # prevent hang if this doesn't behave |
|
125 | view.timeout = 1 # prevent hang if this doesn't behave | |
115 | def fail(): |
|
126 | def fail(): | |
116 | assert False |
|
127 | assert False | |
117 | for r in range(len(self.client)-1): |
|
128 | for r in range(len(self.client)-1): | |
118 | with view.temp_flags(retries=r): |
|
129 | with view.temp_flags(retries=r): | |
119 | self.assertRaisesRemote(AssertionError, view.apply_sync, fail) |
|
130 | self.assertRaisesRemote(AssertionError, view.apply_sync, fail) | |
120 |
|
131 | |||
121 | with view.temp_flags(retries=len(self.client), timeout=0.25): |
|
132 | with view.temp_flags(retries=len(self.client), timeout=0.25): | |
122 | self.assertRaisesRemote(error.TaskTimeout, view.apply_sync, fail) |
|
133 | self.assertRaisesRemote(error.TaskTimeout, view.apply_sync, fail) | |
123 |
|
134 | |||
124 | def test_invalid_dependency(self): |
|
135 | def test_invalid_dependency(self): | |
125 | view = self.view |
|
136 | view = self.view | |
126 | with view.temp_flags(after='12345'): |
|
137 | with view.temp_flags(after='12345'): | |
127 | self.assertRaisesRemote(error.InvalidDependency, view.apply_sync, lambda : 1) |
|
138 | self.assertRaisesRemote(error.InvalidDependency, view.apply_sync, lambda : 1) | |
128 |
|
139 | |||
129 | def test_impossible_dependency(self): |
|
140 | def test_impossible_dependency(self): | |
130 | if len(self.client) < 2: |
|
141 | if len(self.client) < 2: | |
131 | add_engines(2) |
|
142 | add_engines(2) | |
132 | view = self.client.load_balanced_view() |
|
143 | view = self.client.load_balanced_view() | |
133 | ar1 = view.apply_async(lambda : 1) |
|
144 | ar1 = view.apply_async(lambda : 1) | |
134 | ar1.get() |
|
145 | ar1.get() | |
135 | e1 = ar1.engine_id |
|
146 | e1 = ar1.engine_id | |
136 | e2 = e1 |
|
147 | e2 = e1 | |
137 | while e2 == e1: |
|
148 | while e2 == e1: | |
138 | ar2 = view.apply_async(lambda : 1) |
|
149 | ar2 = view.apply_async(lambda : 1) | |
139 | ar2.get() |
|
150 | ar2.get() | |
140 | e2 = ar2.engine_id |
|
151 | e2 = ar2.engine_id | |
141 |
|
152 | |||
142 | with view.temp_flags(follow=[ar1, ar2]): |
|
153 | with view.temp_flags(follow=[ar1, ar2]): | |
143 | self.assertRaisesRemote(error.ImpossibleDependency, view.apply_sync, lambda : 1) |
|
154 | self.assertRaisesRemote(error.ImpossibleDependency, view.apply_sync, lambda : 1) | |
144 |
|
155 | |||
145 |
|
156 | |||
146 | def test_follow(self): |
|
157 | def test_follow(self): | |
147 | ar = self.view.apply_async(lambda : 1) |
|
158 | ar = self.view.apply_async(lambda : 1) | |
148 | ar.get() |
|
159 | ar.get() | |
149 | ars = [] |
|
160 | ars = [] | |
150 | first_id = ar.engine_id |
|
161 | first_id = ar.engine_id | |
151 |
|
162 | |||
152 | self.view.follow = ar |
|
163 | self.view.follow = ar | |
153 | for i in range(5): |
|
164 | for i in range(5): | |
154 | ars.append(self.view.apply_async(lambda : 1)) |
|
165 | ars.append(self.view.apply_async(lambda : 1)) | |
155 | self.view.wait(ars) |
|
166 | self.view.wait(ars) | |
156 | for ar in ars: |
|
167 | for ar in ars: | |
157 | self.assertEquals(ar.engine_id, first_id) |
|
168 | self.assertEquals(ar.engine_id, first_id) | |
158 |
|
169 | |||
159 | def test_after(self): |
|
170 | def test_after(self): | |
160 | view = self.view |
|
171 | view = self.view | |
161 | ar = view.apply_async(time.sleep, 0.5) |
|
172 | ar = view.apply_async(time.sleep, 0.5) | |
162 | with view.temp_flags(after=ar): |
|
173 | with view.temp_flags(after=ar): | |
163 | ar2 = view.apply_async(lambda : 1) |
|
174 | ar2 = view.apply_async(lambda : 1) | |
164 |
|
175 | |||
165 | ar.wait() |
|
176 | ar.wait() | |
166 | ar2.wait() |
|
177 | ar2.wait() | |
167 | self.assertTrue(ar2.started >= ar.completed, "%s not >= %s"%(ar.started, ar.completed)) |
|
178 | self.assertTrue(ar2.started >= ar.completed, "%s not >= %s"%(ar.started, ar.completed)) |
@@ -1,451 +1,460 b'' | |||||
1 | # -*- coding: utf-8 -*- |
|
1 | # -*- coding: utf-8 -*- | |
2 | """test View objects |
|
2 | """test View objects | |
3 |
|
3 | |||
4 | Authors: |
|
4 | Authors: | |
5 |
|
5 | |||
6 | * Min RK |
|
6 | * Min RK | |
7 | """ |
|
7 | """ | |
8 | #------------------------------------------------------------------------------- |
|
8 | #------------------------------------------------------------------------------- | |
9 | # Copyright (C) 2011 The IPython Development Team |
|
9 | # Copyright (C) 2011 The IPython Development Team | |
10 | # |
|
10 | # | |
11 | # Distributed under the terms of the BSD License. The full license is in |
|
11 | # Distributed under the terms of the BSD License. The full license is in | |
12 | # the file COPYING, distributed as part of this software. |
|
12 | # the file COPYING, distributed as part of this software. | |
13 | #------------------------------------------------------------------------------- |
|
13 | #------------------------------------------------------------------------------- | |
14 |
|
14 | |||
15 | #------------------------------------------------------------------------------- |
|
15 | #------------------------------------------------------------------------------- | |
16 | # Imports |
|
16 | # Imports | |
17 | #------------------------------------------------------------------------------- |
|
17 | #------------------------------------------------------------------------------- | |
18 |
|
18 | |||
19 | import sys |
|
19 | import sys | |
20 | import time |
|
20 | import time | |
21 | from tempfile import mktemp |
|
21 | from tempfile import mktemp | |
22 | from StringIO import StringIO |
|
22 | from StringIO import StringIO | |
23 |
|
23 | |||
24 | import zmq |
|
24 | import zmq | |
25 | from nose import SkipTest |
|
25 | from nose import SkipTest | |
26 |
|
26 | |||
27 | from IPython import parallel as pmod |
|
27 | from IPython import parallel as pmod | |
28 | from IPython.parallel import error |
|
28 | from IPython.parallel import error | |
29 | from IPython.parallel import AsyncResult, AsyncHubResult, AsyncMapResult |
|
29 | from IPython.parallel import AsyncResult, AsyncHubResult, AsyncMapResult | |
30 | from IPython.parallel import DirectView |
|
30 | from IPython.parallel import DirectView | |
31 | from IPython.parallel.util import interactive |
|
31 | from IPython.parallel.util import interactive | |
32 |
|
32 | |||
33 | from IPython.parallel.tests import add_engines |
|
33 | from IPython.parallel.tests import add_engines | |
34 |
|
34 | |||
35 | from .clienttest import ClusterTestCase, crash, wait, skip_without |
|
35 | from .clienttest import ClusterTestCase, crash, wait, skip_without | |
36 |
|
36 | |||
37 | def setup(): |
|
37 | def setup(): | |
38 | add_engines(3) |
|
38 | add_engines(3) | |
39 |
|
39 | |||
40 | class TestView(ClusterTestCase): |
|
40 | class TestView(ClusterTestCase): | |
41 |
|
41 | |||
42 | def test_z_crash_mux(self): |
|
42 | def test_z_crash_mux(self): | |
43 | """test graceful handling of engine death (direct)""" |
|
43 | """test graceful handling of engine death (direct)""" | |
44 | raise SkipTest("crash tests disabled, due to undesirable crash reports") |
|
44 | raise SkipTest("crash tests disabled, due to undesirable crash reports") | |
45 | # self.add_engines(1) |
|
45 | # self.add_engines(1) | |
46 | eid = self.client.ids[-1] |
|
46 | eid = self.client.ids[-1] | |
47 | ar = self.client[eid].apply_async(crash) |
|
47 | ar = self.client[eid].apply_async(crash) | |
48 | self.assertRaisesRemote(error.EngineError, ar.get, 10) |
|
48 | self.assertRaisesRemote(error.EngineError, ar.get, 10) | |
49 | eid = ar.engine_id |
|
49 | eid = ar.engine_id | |
50 | tic = time.time() |
|
50 | tic = time.time() | |
51 | while eid in self.client.ids and time.time()-tic < 5: |
|
51 | while eid in self.client.ids and time.time()-tic < 5: | |
52 | time.sleep(.01) |
|
52 | time.sleep(.01) | |
53 | self.client.spin() |
|
53 | self.client.spin() | |
54 | self.assertFalse(eid in self.client.ids, "Engine should have died") |
|
54 | self.assertFalse(eid in self.client.ids, "Engine should have died") | |
55 |
|
55 | |||
56 | def test_push_pull(self): |
|
56 | def test_push_pull(self): | |
57 | """test pushing and pulling""" |
|
57 | """test pushing and pulling""" | |
58 | data = dict(a=10, b=1.05, c=range(10), d={'e':(1,2),'f':'hi'}) |
|
58 | data = dict(a=10, b=1.05, c=range(10), d={'e':(1,2),'f':'hi'}) | |
59 | t = self.client.ids[-1] |
|
59 | t = self.client.ids[-1] | |
60 | v = self.client[t] |
|
60 | v = self.client[t] | |
61 | push = v.push |
|
61 | push = v.push | |
62 | pull = v.pull |
|
62 | pull = v.pull | |
63 | v.block=True |
|
63 | v.block=True | |
64 | nengines = len(self.client) |
|
64 | nengines = len(self.client) | |
65 | push({'data':data}) |
|
65 | push({'data':data}) | |
66 | d = pull('data') |
|
66 | d = pull('data') | |
67 | self.assertEquals(d, data) |
|
67 | self.assertEquals(d, data) | |
68 | self.client[:].push({'data':data}) |
|
68 | self.client[:].push({'data':data}) | |
69 | d = self.client[:].pull('data', block=True) |
|
69 | d = self.client[:].pull('data', block=True) | |
70 | self.assertEquals(d, nengines*[data]) |
|
70 | self.assertEquals(d, nengines*[data]) | |
71 | ar = push({'data':data}, block=False) |
|
71 | ar = push({'data':data}, block=False) | |
72 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
72 | self.assertTrue(isinstance(ar, AsyncResult)) | |
73 | r = ar.get() |
|
73 | r = ar.get() | |
74 | ar = self.client[:].pull('data', block=False) |
|
74 | ar = self.client[:].pull('data', block=False) | |
75 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
75 | self.assertTrue(isinstance(ar, AsyncResult)) | |
76 | r = ar.get() |
|
76 | r = ar.get() | |
77 | self.assertEquals(r, nengines*[data]) |
|
77 | self.assertEquals(r, nengines*[data]) | |
78 | self.client[:].push(dict(a=10,b=20)) |
|
78 | self.client[:].push(dict(a=10,b=20)) | |
79 | r = self.client[:].pull(('a','b'), block=True) |
|
79 | r = self.client[:].pull(('a','b'), block=True) | |
80 | self.assertEquals(r, nengines*[[10,20]]) |
|
80 | self.assertEquals(r, nengines*[[10,20]]) | |
81 |
|
81 | |||
82 | def test_push_pull_function(self): |
|
82 | def test_push_pull_function(self): | |
83 | "test pushing and pulling functions" |
|
83 | "test pushing and pulling functions" | |
84 | def testf(x): |
|
84 | def testf(x): | |
85 | return 2.0*x |
|
85 | return 2.0*x | |
86 |
|
86 | |||
87 | t = self.client.ids[-1] |
|
87 | t = self.client.ids[-1] | |
88 | v = self.client[t] |
|
88 | v = self.client[t] | |
89 | v.block=True |
|
89 | v.block=True | |
90 | push = v.push |
|
90 | push = v.push | |
91 | pull = v.pull |
|
91 | pull = v.pull | |
92 | execute = v.execute |
|
92 | execute = v.execute | |
93 | push({'testf':testf}) |
|
93 | push({'testf':testf}) | |
94 | r = pull('testf') |
|
94 | r = pull('testf') | |
95 | self.assertEqual(r(1.0), testf(1.0)) |
|
95 | self.assertEqual(r(1.0), testf(1.0)) | |
96 | execute('r = testf(10)') |
|
96 | execute('r = testf(10)') | |
97 | r = pull('r') |
|
97 | r = pull('r') | |
98 | self.assertEquals(r, testf(10)) |
|
98 | self.assertEquals(r, testf(10)) | |
99 | ar = self.client[:].push({'testf':testf}, block=False) |
|
99 | ar = self.client[:].push({'testf':testf}, block=False) | |
100 | ar.get() |
|
100 | ar.get() | |
101 | ar = self.client[:].pull('testf', block=False) |
|
101 | ar = self.client[:].pull('testf', block=False) | |
102 | rlist = ar.get() |
|
102 | rlist = ar.get() | |
103 | for r in rlist: |
|
103 | for r in rlist: | |
104 | self.assertEqual(r(1.0), testf(1.0)) |
|
104 | self.assertEqual(r(1.0), testf(1.0)) | |
105 | execute("def g(x): return x*x") |
|
105 | execute("def g(x): return x*x") | |
106 | r = pull(('testf','g')) |
|
106 | r = pull(('testf','g')) | |
107 | self.assertEquals((r[0](10),r[1](10)), (testf(10), 100)) |
|
107 | self.assertEquals((r[0](10),r[1](10)), (testf(10), 100)) | |
108 |
|
108 | |||
109 | def test_push_function_globals(self): |
|
109 | def test_push_function_globals(self): | |
110 | """test that pushed functions have access to globals""" |
|
110 | """test that pushed functions have access to globals""" | |
111 | @interactive |
|
111 | @interactive | |
112 | def geta(): |
|
112 | def geta(): | |
113 | return a |
|
113 | return a | |
114 | # self.add_engines(1) |
|
114 | # self.add_engines(1) | |
115 | v = self.client[-1] |
|
115 | v = self.client[-1] | |
116 | v.block=True |
|
116 | v.block=True | |
117 | v['f'] = geta |
|
117 | v['f'] = geta | |
118 | self.assertRaisesRemote(NameError, v.execute, 'b=f()') |
|
118 | self.assertRaisesRemote(NameError, v.execute, 'b=f()') | |
119 | v.execute('a=5') |
|
119 | v.execute('a=5') | |
120 | v.execute('b=f()') |
|
120 | v.execute('b=f()') | |
121 | self.assertEquals(v['b'], 5) |
|
121 | self.assertEquals(v['b'], 5) | |
122 |
|
122 | |||
123 | def test_push_function_defaults(self): |
|
123 | def test_push_function_defaults(self): | |
124 | """test that pushed functions preserve default args""" |
|
124 | """test that pushed functions preserve default args""" | |
125 | def echo(a=10): |
|
125 | def echo(a=10): | |
126 | return a |
|
126 | return a | |
127 | v = self.client[-1] |
|
127 | v = self.client[-1] | |
128 | v.block=True |
|
128 | v.block=True | |
129 | v['f'] = echo |
|
129 | v['f'] = echo | |
130 | v.execute('b=f()') |
|
130 | v.execute('b=f()') | |
131 | self.assertEquals(v['b'], 10) |
|
131 | self.assertEquals(v['b'], 10) | |
132 |
|
132 | |||
133 | def test_get_result(self): |
|
133 | def test_get_result(self): | |
134 | """test getting results from the Hub.""" |
|
134 | """test getting results from the Hub.""" | |
135 | c = pmod.Client(profile='iptest') |
|
135 | c = pmod.Client(profile='iptest') | |
136 | # self.add_engines(1) |
|
136 | # self.add_engines(1) | |
137 | t = c.ids[-1] |
|
137 | t = c.ids[-1] | |
138 | v = c[t] |
|
138 | v = c[t] | |
139 | v2 = self.client[t] |
|
139 | v2 = self.client[t] | |
140 | ar = v.apply_async(wait, 1) |
|
140 | ar = v.apply_async(wait, 1) | |
141 | # give the monitor time to notice the message |
|
141 | # give the monitor time to notice the message | |
142 | time.sleep(.25) |
|
142 | time.sleep(.25) | |
143 | ahr = v2.get_result(ar.msg_ids) |
|
143 | ahr = v2.get_result(ar.msg_ids) | |
144 | self.assertTrue(isinstance(ahr, AsyncHubResult)) |
|
144 | self.assertTrue(isinstance(ahr, AsyncHubResult)) | |
145 | self.assertEquals(ahr.get(), ar.get()) |
|
145 | self.assertEquals(ahr.get(), ar.get()) | |
146 | ar2 = v2.get_result(ar.msg_ids) |
|
146 | ar2 = v2.get_result(ar.msg_ids) | |
147 | self.assertFalse(isinstance(ar2, AsyncHubResult)) |
|
147 | self.assertFalse(isinstance(ar2, AsyncHubResult)) | |
148 | c.spin() |
|
148 | c.spin() | |
149 | c.close() |
|
149 | c.close() | |
150 |
|
150 | |||
151 | def test_run_newline(self): |
|
151 | def test_run_newline(self): | |
152 | """test that run appends newline to files""" |
|
152 | """test that run appends newline to files""" | |
153 | tmpfile = mktemp() |
|
153 | tmpfile = mktemp() | |
154 | with open(tmpfile, 'w') as f: |
|
154 | with open(tmpfile, 'w') as f: | |
155 | f.write("""def g(): |
|
155 | f.write("""def g(): | |
156 | return 5 |
|
156 | return 5 | |
157 | """) |
|
157 | """) | |
158 | v = self.client[-1] |
|
158 | v = self.client[-1] | |
159 | v.run(tmpfile, block=True) |
|
159 | v.run(tmpfile, block=True) | |
160 | self.assertEquals(v.apply_sync(lambda f: f(), pmod.Reference('g')), 5) |
|
160 | self.assertEquals(v.apply_sync(lambda f: f(), pmod.Reference('g')), 5) | |
161 |
|
161 | |||
162 | def test_apply_tracked(self): |
|
162 | def test_apply_tracked(self): | |
163 | """test tracking for apply""" |
|
163 | """test tracking for apply""" | |
164 | # self.add_engines(1) |
|
164 | # self.add_engines(1) | |
165 | t = self.client.ids[-1] |
|
165 | t = self.client.ids[-1] | |
166 | v = self.client[t] |
|
166 | v = self.client[t] | |
167 | v.block=False |
|
167 | v.block=False | |
168 | def echo(n=1024*1024, **kwargs): |
|
168 | def echo(n=1024*1024, **kwargs): | |
169 | with v.temp_flags(**kwargs): |
|
169 | with v.temp_flags(**kwargs): | |
170 | return v.apply(lambda x: x, 'x'*n) |
|
170 | return v.apply(lambda x: x, 'x'*n) | |
171 | ar = echo(1, track=False) |
|
171 | ar = echo(1, track=False) | |
172 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
172 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
173 | self.assertTrue(ar.sent) |
|
173 | self.assertTrue(ar.sent) | |
174 | ar = echo(track=True) |
|
174 | ar = echo(track=True) | |
175 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
175 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
176 | self.assertEquals(ar.sent, ar._tracker.done) |
|
176 | self.assertEquals(ar.sent, ar._tracker.done) | |
177 | ar._tracker.wait() |
|
177 | ar._tracker.wait() | |
178 | self.assertTrue(ar.sent) |
|
178 | self.assertTrue(ar.sent) | |
179 |
|
179 | |||
180 | def test_push_tracked(self): |
|
180 | def test_push_tracked(self): | |
181 | t = self.client.ids[-1] |
|
181 | t = self.client.ids[-1] | |
182 | ns = dict(x='x'*1024*1024) |
|
182 | ns = dict(x='x'*1024*1024) | |
183 | v = self.client[t] |
|
183 | v = self.client[t] | |
184 | ar = v.push(ns, block=False, track=False) |
|
184 | ar = v.push(ns, block=False, track=False) | |
185 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
185 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
186 | self.assertTrue(ar.sent) |
|
186 | self.assertTrue(ar.sent) | |
187 |
|
187 | |||
188 | ar = v.push(ns, block=False, track=True) |
|
188 | ar = v.push(ns, block=False, track=True) | |
189 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
189 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
190 | ar._tracker.wait() |
|
190 | ar._tracker.wait() | |
191 | self.assertEquals(ar.sent, ar._tracker.done) |
|
191 | self.assertEquals(ar.sent, ar._tracker.done) | |
192 | self.assertTrue(ar.sent) |
|
192 | self.assertTrue(ar.sent) | |
193 | ar.get() |
|
193 | ar.get() | |
194 |
|
194 | |||
195 | def test_scatter_tracked(self): |
|
195 | def test_scatter_tracked(self): | |
196 | t = self.client.ids |
|
196 | t = self.client.ids | |
197 | x='x'*1024*1024 |
|
197 | x='x'*1024*1024 | |
198 | ar = self.client[t].scatter('x', x, block=False, track=False) |
|
198 | ar = self.client[t].scatter('x', x, block=False, track=False) | |
199 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
199 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
200 | self.assertTrue(ar.sent) |
|
200 | self.assertTrue(ar.sent) | |
201 |
|
201 | |||
202 | ar = self.client[t].scatter('x', x, block=False, track=True) |
|
202 | ar = self.client[t].scatter('x', x, block=False, track=True) | |
203 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) |
|
203 | self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker)) | |
204 | self.assertEquals(ar.sent, ar._tracker.done) |
|
204 | self.assertEquals(ar.sent, ar._tracker.done) | |
205 | ar._tracker.wait() |
|
205 | ar._tracker.wait() | |
206 | self.assertTrue(ar.sent) |
|
206 | self.assertTrue(ar.sent) | |
207 | ar.get() |
|
207 | ar.get() | |
208 |
|
208 | |||
209 | def test_remote_reference(self): |
|
209 | def test_remote_reference(self): | |
210 | v = self.client[-1] |
|
210 | v = self.client[-1] | |
211 | v['a'] = 123 |
|
211 | v['a'] = 123 | |
212 | ra = pmod.Reference('a') |
|
212 | ra = pmod.Reference('a') | |
213 | b = v.apply_sync(lambda x: x, ra) |
|
213 | b = v.apply_sync(lambda x: x, ra) | |
214 | self.assertEquals(b, 123) |
|
214 | self.assertEquals(b, 123) | |
215 |
|
215 | |||
216 |
|
216 | |||
217 | def test_scatter_gather(self): |
|
217 | def test_scatter_gather(self): | |
218 | view = self.client[:] |
|
218 | view = self.client[:] | |
219 | seq1 = range(16) |
|
219 | seq1 = range(16) | |
220 | view.scatter('a', seq1) |
|
220 | view.scatter('a', seq1) | |
221 | seq2 = view.gather('a', block=True) |
|
221 | seq2 = view.gather('a', block=True) | |
222 | self.assertEquals(seq2, seq1) |
|
222 | self.assertEquals(seq2, seq1) | |
223 | self.assertRaisesRemote(NameError, view.gather, 'asdf', block=True) |
|
223 | self.assertRaisesRemote(NameError, view.gather, 'asdf', block=True) | |
224 |
|
224 | |||
225 | @skip_without('numpy') |
|
225 | @skip_without('numpy') | |
226 | def test_scatter_gather_numpy(self): |
|
226 | def test_scatter_gather_numpy(self): | |
227 | import numpy |
|
227 | import numpy | |
228 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal |
|
228 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal | |
229 | view = self.client[:] |
|
229 | view = self.client[:] | |
230 | a = numpy.arange(64) |
|
230 | a = numpy.arange(64) | |
231 | view.scatter('a', a) |
|
231 | view.scatter('a', a) | |
232 | b = view.gather('a', block=True) |
|
232 | b = view.gather('a', block=True) | |
233 | assert_array_equal(b, a) |
|
233 | assert_array_equal(b, a) | |
234 |
|
234 | |||
235 | def test_map(self): |
|
235 | def test_map(self): | |
236 | view = self.client[:] |
|
236 | view = self.client[:] | |
237 | def f(x): |
|
237 | def f(x): | |
238 | return x**2 |
|
238 | return x**2 | |
239 | data = range(16) |
|
239 | data = range(16) | |
240 | r = view.map_sync(f, data) |
|
240 | r = view.map_sync(f, data) | |
241 | self.assertEquals(r, map(f, data)) |
|
241 | self.assertEquals(r, map(f, data)) | |
242 |
|
242 | |||
|
243 | def test_map_iterable(self): | |||
|
244 | """test map on iterables (direct)""" | |||
|
245 | view = self.client[:] | |||
|
246 | # 101 is prime, so it won't be evenly distributed | |||
|
247 | arr = range(101) | |||
|
248 | # ensure it will be an iterator, even in Python 3 | |||
|
249 | it = iter(arr) | |||
|
250 | r = view.map_sync(lambda x:x, arr) | |||
|
251 | self.assertEquals(r, list(arr)) | |||
|
252 | ||||
243 | def test_scatterGatherNonblocking(self): |
|
253 | def test_scatterGatherNonblocking(self): | |
244 | data = range(16) |
|
254 | data = range(16) | |
245 | view = self.client[:] |
|
255 | view = self.client[:] | |
246 | view.scatter('a', data, block=False) |
|
256 | view.scatter('a', data, block=False) | |
247 | ar = view.gather('a', block=False) |
|
257 | ar = view.gather('a', block=False) | |
248 | self.assertEquals(ar.get(), data) |
|
258 | self.assertEquals(ar.get(), data) | |
249 |
|
259 | |||
250 | @skip_without('numpy') |
|
260 | @skip_without('numpy') | |
251 | def test_scatter_gather_numpy_nonblocking(self): |
|
261 | def test_scatter_gather_numpy_nonblocking(self): | |
252 | import numpy |
|
262 | import numpy | |
253 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal |
|
263 | from numpy.testing.utils import assert_array_equal, assert_array_almost_equal | |
254 | a = numpy.arange(64) |
|
264 | a = numpy.arange(64) | |
255 | view = self.client[:] |
|
265 | view = self.client[:] | |
256 | ar = view.scatter('a', a, block=False) |
|
266 | ar = view.scatter('a', a, block=False) | |
257 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
267 | self.assertTrue(isinstance(ar, AsyncResult)) | |
258 | amr = view.gather('a', block=False) |
|
268 | amr = view.gather('a', block=False) | |
259 | self.assertTrue(isinstance(amr, AsyncMapResult)) |
|
269 | self.assertTrue(isinstance(amr, AsyncMapResult)) | |
260 | assert_array_equal(amr.get(), a) |
|
270 | assert_array_equal(amr.get(), a) | |
261 |
|
271 | |||
262 | def test_execute(self): |
|
272 | def test_execute(self): | |
263 | view = self.client[:] |
|
273 | view = self.client[:] | |
264 | # self.client.debug=True |
|
274 | # self.client.debug=True | |
265 | execute = view.execute |
|
275 | execute = view.execute | |
266 | ar = execute('c=30', block=False) |
|
276 | ar = execute('c=30', block=False) | |
267 | self.assertTrue(isinstance(ar, AsyncResult)) |
|
277 | self.assertTrue(isinstance(ar, AsyncResult)) | |
268 | ar = execute('d=[0,1,2]', block=False) |
|
278 | ar = execute('d=[0,1,2]', block=False) | |
269 | self.client.wait(ar, 1) |
|
279 | self.client.wait(ar, 1) | |
270 | self.assertEquals(len(ar.get()), len(self.client)) |
|
280 | self.assertEquals(len(ar.get()), len(self.client)) | |
271 | for c in view['c']: |
|
281 | for c in view['c']: | |
272 | self.assertEquals(c, 30) |
|
282 | self.assertEquals(c, 30) | |
273 |
|
283 | |||
274 | def test_abort(self): |
|
284 | def test_abort(self): | |
275 | view = self.client[-1] |
|
285 | view = self.client[-1] | |
276 | ar = view.execute('import time; time.sleep(1)', block=False) |
|
286 | ar = view.execute('import time; time.sleep(1)', block=False) | |
277 | ar2 = view.apply_async(lambda : 2) |
|
287 | ar2 = view.apply_async(lambda : 2) | |
278 | ar3 = view.apply_async(lambda : 3) |
|
288 | ar3 = view.apply_async(lambda : 3) | |
279 | view.abort(ar2) |
|
289 | view.abort(ar2) | |
280 | view.abort(ar3.msg_ids) |
|
290 | view.abort(ar3.msg_ids) | |
281 | self.assertRaises(error.TaskAborted, ar2.get) |
|
291 | self.assertRaises(error.TaskAborted, ar2.get) | |
282 | self.assertRaises(error.TaskAborted, ar3.get) |
|
292 | self.assertRaises(error.TaskAborted, ar3.get) | |
283 |
|
293 | |||
284 | def test_temp_flags(self): |
|
294 | def test_temp_flags(self): | |
285 | view = self.client[-1] |
|
295 | view = self.client[-1] | |
286 | view.block=True |
|
296 | view.block=True | |
287 | with view.temp_flags(block=False): |
|
297 | with view.temp_flags(block=False): | |
288 | self.assertFalse(view.block) |
|
298 | self.assertFalse(view.block) | |
289 | self.assertTrue(view.block) |
|
299 | self.assertTrue(view.block) | |
290 |
|
300 | |||
291 | def test_importer(self): |
|
301 | def test_importer(self): | |
292 | view = self.client[-1] |
|
302 | view = self.client[-1] | |
293 | view.clear(block=True) |
|
303 | view.clear(block=True) | |
294 | with view.importer: |
|
304 | with view.importer: | |
295 | import re |
|
305 | import re | |
296 |
|
306 | |||
297 | @interactive |
|
307 | @interactive | |
298 | def findall(pat, s): |
|
308 | def findall(pat, s): | |
299 | # this globals() step isn't necessary in real code |
|
309 | # this globals() step isn't necessary in real code | |
300 | # only to prevent a closure in the test |
|
310 | # only to prevent a closure in the test | |
301 | re = globals()['re'] |
|
311 | re = globals()['re'] | |
302 | return re.findall(pat, s) |
|
312 | return re.findall(pat, s) | |
303 |
|
313 | |||
304 | self.assertEquals(view.apply_sync(findall, '\w+', 'hello world'), 'hello world'.split()) |
|
314 | self.assertEquals(view.apply_sync(findall, '\w+', 'hello world'), 'hello world'.split()) | |
305 |
|
315 | |||
306 | # parallel magic tests |
|
316 | # parallel magic tests | |
307 |
|
317 | |||
308 | def test_magic_px_blocking(self): |
|
318 | def test_magic_px_blocking(self): | |
309 | ip = get_ipython() |
|
319 | ip = get_ipython() | |
310 | v = self.client[-1] |
|
320 | v = self.client[-1] | |
311 | v.activate() |
|
321 | v.activate() | |
312 | v.block=True |
|
322 | v.block=True | |
313 |
|
323 | |||
314 | ip.magic_px('a=5') |
|
324 | ip.magic_px('a=5') | |
315 | self.assertEquals(v['a'], 5) |
|
325 | self.assertEquals(v['a'], 5) | |
316 | ip.magic_px('a=10') |
|
326 | ip.magic_px('a=10') | |
317 | self.assertEquals(v['a'], 10) |
|
327 | self.assertEquals(v['a'], 10) | |
318 | sio = StringIO() |
|
328 | sio = StringIO() | |
319 | savestdout = sys.stdout |
|
329 | savestdout = sys.stdout | |
320 | sys.stdout = sio |
|
330 | sys.stdout = sio | |
321 | # just 'print a' worst ~99% of the time, but this ensures that |
|
331 | # just 'print a' worst ~99% of the time, but this ensures that | |
322 | # the stdout message has arrived when the result is finished: |
|
332 | # the stdout message has arrived when the result is finished: | |
323 | ip.magic_px('import sys,time;print a; sys.stdout.flush();time.sleep(0.2)') |
|
333 | ip.magic_px('import sys,time;print a; sys.stdout.flush();time.sleep(0.2)') | |
324 | sys.stdout = savestdout |
|
334 | sys.stdout = savestdout | |
325 | buf = sio.getvalue() |
|
335 | buf = sio.getvalue() | |
326 | self.assertTrue('[stdout:' in buf, buf) |
|
336 | self.assertTrue('[stdout:' in buf, buf) | |
327 | self.assertTrue(buf.rstrip().endswith('10')) |
|
337 | self.assertTrue(buf.rstrip().endswith('10')) | |
328 | self.assertRaisesRemote(ZeroDivisionError, ip.magic_px, '1/0') |
|
338 | self.assertRaisesRemote(ZeroDivisionError, ip.magic_px, '1/0') | |
329 |
|
339 | |||
330 | def test_magic_px_nonblocking(self): |
|
340 | def test_magic_px_nonblocking(self): | |
331 | ip = get_ipython() |
|
341 | ip = get_ipython() | |
332 | v = self.client[-1] |
|
342 | v = self.client[-1] | |
333 | v.activate() |
|
343 | v.activate() | |
334 | v.block=False |
|
344 | v.block=False | |
335 |
|
345 | |||
336 | ip.magic_px('a=5') |
|
346 | ip.magic_px('a=5') | |
337 | self.assertEquals(v['a'], 5) |
|
347 | self.assertEquals(v['a'], 5) | |
338 | ip.magic_px('a=10') |
|
348 | ip.magic_px('a=10') | |
339 | self.assertEquals(v['a'], 10) |
|
349 | self.assertEquals(v['a'], 10) | |
340 | sio = StringIO() |
|
350 | sio = StringIO() | |
341 | savestdout = sys.stdout |
|
351 | savestdout = sys.stdout | |
342 | sys.stdout = sio |
|
352 | sys.stdout = sio | |
343 | ip.magic_px('print a') |
|
353 | ip.magic_px('print a') | |
344 | sys.stdout = savestdout |
|
354 | sys.stdout = savestdout | |
345 | buf = sio.getvalue() |
|
355 | buf = sio.getvalue() | |
346 | self.assertFalse('[stdout:%i]'%v.targets in buf) |
|
356 | self.assertFalse('[stdout:%i]'%v.targets in buf) | |
347 | ip.magic_px('1/0') |
|
357 | ip.magic_px('1/0') | |
348 | ar = v.get_result(-1) |
|
358 | ar = v.get_result(-1) | |
349 | self.assertRaisesRemote(ZeroDivisionError, ar.get) |
|
359 | self.assertRaisesRemote(ZeroDivisionError, ar.get) | |
350 |
|
360 | |||
351 | def test_magic_autopx_blocking(self): |
|
361 | def test_magic_autopx_blocking(self): | |
352 | ip = get_ipython() |
|
362 | ip = get_ipython() | |
353 | v = self.client[-1] |
|
363 | v = self.client[-1] | |
354 | v.activate() |
|
364 | v.activate() | |
355 | v.block=True |
|
365 | v.block=True | |
356 |
|
366 | |||
357 | sio = StringIO() |
|
367 | sio = StringIO() | |
358 | savestdout = sys.stdout |
|
368 | savestdout = sys.stdout | |
359 | sys.stdout = sio |
|
369 | sys.stdout = sio | |
360 | ip.magic_autopx() |
|
370 | ip.magic_autopx() | |
361 | ip.run_cell('\n'.join(('a=5','b=10','c=0'))) |
|
371 | ip.run_cell('\n'.join(('a=5','b=10','c=0'))) | |
362 | ip.run_cell('print b') |
|
372 | ip.run_cell('print b') | |
363 | ip.run_cell("b/c") |
|
373 | ip.run_cell("b/c") | |
364 | ip.run_code(compile('b*=2', '', 'single')) |
|
374 | ip.run_code(compile('b*=2', '', 'single')) | |
365 | ip.magic_autopx() |
|
375 | ip.magic_autopx() | |
366 | sys.stdout = savestdout |
|
376 | sys.stdout = savestdout | |
367 | output = sio.getvalue().strip() |
|
377 | output = sio.getvalue().strip() | |
368 | self.assertTrue(output.startswith('%autopx enabled')) |
|
378 | self.assertTrue(output.startswith('%autopx enabled')) | |
369 | self.assertTrue(output.endswith('%autopx disabled')) |
|
379 | self.assertTrue(output.endswith('%autopx disabled')) | |
370 | self.assertTrue('RemoteError: ZeroDivisionError' in output) |
|
380 | self.assertTrue('RemoteError: ZeroDivisionError' in output) | |
371 | ar = v.get_result(-2) |
|
381 | ar = v.get_result(-2) | |
372 | self.assertEquals(v['a'], 5) |
|
382 | self.assertEquals(v['a'], 5) | |
373 | self.assertEquals(v['b'], 20) |
|
383 | self.assertEquals(v['b'], 20) | |
374 | self.assertRaisesRemote(ZeroDivisionError, ar.get) |
|
384 | self.assertRaisesRemote(ZeroDivisionError, ar.get) | |
375 |
|
385 | |||
376 | def test_magic_autopx_nonblocking(self): |
|
386 | def test_magic_autopx_nonblocking(self): | |
377 | ip = get_ipython() |
|
387 | ip = get_ipython() | |
378 | v = self.client[-1] |
|
388 | v = self.client[-1] | |
379 | v.activate() |
|
389 | v.activate() | |
380 | v.block=False |
|
390 | v.block=False | |
381 |
|
391 | |||
382 | sio = StringIO() |
|
392 | sio = StringIO() | |
383 | savestdout = sys.stdout |
|
393 | savestdout = sys.stdout | |
384 | sys.stdout = sio |
|
394 | sys.stdout = sio | |
385 | ip.magic_autopx() |
|
395 | ip.magic_autopx() | |
386 | ip.run_cell('\n'.join(('a=5','b=10','c=0'))) |
|
396 | ip.run_cell('\n'.join(('a=5','b=10','c=0'))) | |
387 | ip.run_cell('print b') |
|
397 | ip.run_cell('print b') | |
388 | ip.run_cell("b/c") |
|
398 | ip.run_cell("b/c") | |
389 | ip.run_code(compile('b*=2', '', 'single')) |
|
399 | ip.run_code(compile('b*=2', '', 'single')) | |
390 | ip.magic_autopx() |
|
400 | ip.magic_autopx() | |
391 | sys.stdout = savestdout |
|
401 | sys.stdout = savestdout | |
392 | output = sio.getvalue().strip() |
|
402 | output = sio.getvalue().strip() | |
393 | self.assertTrue(output.startswith('%autopx enabled')) |
|
403 | self.assertTrue(output.startswith('%autopx enabled')) | |
394 | self.assertTrue(output.endswith('%autopx disabled')) |
|
404 | self.assertTrue(output.endswith('%autopx disabled')) | |
395 | self.assertFalse('ZeroDivisionError' in output) |
|
405 | self.assertFalse('ZeroDivisionError' in output) | |
396 | ar = v.get_result(-2) |
|
406 | ar = v.get_result(-2) | |
397 | self.assertEquals(v['a'], 5) |
|
407 | self.assertEquals(v['a'], 5) | |
398 | self.assertEquals(v['b'], 20) |
|
408 | self.assertEquals(v['b'], 20) | |
399 | self.assertRaisesRemote(ZeroDivisionError, ar.get) |
|
409 | self.assertRaisesRemote(ZeroDivisionError, ar.get) | |
400 |
|
410 | |||
401 | def test_magic_result(self): |
|
411 | def test_magic_result(self): | |
402 | ip = get_ipython() |
|
412 | ip = get_ipython() | |
403 | v = self.client[-1] |
|
413 | v = self.client[-1] | |
404 | v.activate() |
|
414 | v.activate() | |
405 | v['a'] = 111 |
|
415 | v['a'] = 111 | |
406 | ra = v['a'] |
|
416 | ra = v['a'] | |
407 |
|
417 | |||
408 | ar = ip.magic_result() |
|
418 | ar = ip.magic_result() | |
409 | self.assertEquals(ar.msg_ids, [v.history[-1]]) |
|
419 | self.assertEquals(ar.msg_ids, [v.history[-1]]) | |
410 | self.assertEquals(ar.get(), 111) |
|
420 | self.assertEquals(ar.get(), 111) | |
411 | ar = ip.magic_result('-2') |
|
421 | ar = ip.magic_result('-2') | |
412 | self.assertEquals(ar.msg_ids, [v.history[-2]]) |
|
422 | self.assertEquals(ar.msg_ids, [v.history[-2]]) | |
413 |
|
423 | |||
414 | def test_unicode_execute(self): |
|
424 | def test_unicode_execute(self): | |
415 | """test executing unicode strings""" |
|
425 | """test executing unicode strings""" | |
416 | v = self.client[-1] |
|
426 | v = self.client[-1] | |
417 | v.block=True |
|
427 | v.block=True | |
418 | if sys.version_info[0] >= 3: |
|
428 | if sys.version_info[0] >= 3: | |
419 | code="a='é'" |
|
429 | code="a='é'" | |
420 | else: |
|
430 | else: | |
421 | code=u"a=u'é'" |
|
431 | code=u"a=u'é'" | |
422 | v.execute(code) |
|
432 | v.execute(code) | |
423 | self.assertEquals(v['a'], u'é') |
|
433 | self.assertEquals(v['a'], u'é') | |
424 |
|
434 | |||
425 | def test_unicode_apply_result(self): |
|
435 | def test_unicode_apply_result(self): | |
426 | """test unicode apply results""" |
|
436 | """test unicode apply results""" | |
427 | v = self.client[-1] |
|
437 | v = self.client[-1] | |
428 | r = v.apply_sync(lambda : u'é') |
|
438 | r = v.apply_sync(lambda : u'é') | |
429 | self.assertEquals(r, u'é') |
|
439 | self.assertEquals(r, u'é') | |
430 |
|
440 | |||
431 | def test_unicode_apply_arg(self): |
|
441 | def test_unicode_apply_arg(self): | |
432 | """test passing unicode arguments to apply""" |
|
442 | """test passing unicode arguments to apply""" | |
433 | v = self.client[-1] |
|
443 | v = self.client[-1] | |
434 |
|
444 | |||
435 | @interactive |
|
445 | @interactive | |
436 | def check_unicode(a, check): |
|
446 | def check_unicode(a, check): | |
437 | assert isinstance(a, unicode), "%r is not unicode"%a |
|
447 | assert isinstance(a, unicode), "%r is not unicode"%a | |
438 | assert isinstance(check, bytes), "%r is not bytes"%check |
|
448 | assert isinstance(check, bytes), "%r is not bytes"%check | |
439 | assert a.encode('utf8') == check, "%s != %s"%(a,check) |
|
449 | assert a.encode('utf8') == check, "%s != %s"%(a,check) | |
440 |
|
450 | |||
441 | for s in [ u'é', u'ßø®∫',u'asdf' ]: |
|
451 | for s in [ u'é', u'ßø®∫',u'asdf' ]: | |
442 | try: |
|
452 | try: | |
443 | v.apply_sync(check_unicode, s, s.encode('utf8')) |
|
453 | v.apply_sync(check_unicode, s, s.encode('utf8')) | |
444 | except error.RemoteError as e: |
|
454 | except error.RemoteError as e: | |
445 | if e.ename == 'AssertionError': |
|
455 | if e.ename == 'AssertionError': | |
446 | self.fail(e.evalue) |
|
456 | self.fail(e.evalue) | |
447 | else: |
|
457 | else: | |
448 | raise e |
|
458 | raise e | |
449 |
|
|
459 | ||
450 |
|
||||
451 |
|
460 |
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