Mercurial > repos > shellac > guppy_basecaller
annotate env/lib/python3.7/site-packages/psutil/tests/test_process.py @ 3:758bc20232e8 draft
"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author | shellac |
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date | Thu, 14 May 2020 16:20:52 -0400 |
parents | 26e78fe6e8c4 |
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1 #!/usr/bin/env python3 |
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2 |
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3 # Copyright (c) 2009, Giampaolo Rodola'. All rights reserved. |
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4 # Use of this source code is governed by a BSD-style license that can be |
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5 # found in the LICENSE file. |
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6 |
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7 """Tests for psutil.Process class.""" |
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8 |
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9 import collections |
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10 import errno |
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11 import getpass |
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12 import itertools |
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13 import os |
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14 import signal |
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15 import socket |
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16 import subprocess |
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17 import sys |
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18 import tempfile |
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19 import textwrap |
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20 import time |
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21 import types |
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22 |
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23 import psutil |
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24 |
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25 from psutil import AIX |
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26 from psutil import BSD |
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27 from psutil import LINUX |
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28 from psutil import MACOS |
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29 from psutil import NETBSD |
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30 from psutil import OPENBSD |
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31 from psutil import OSX |
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32 from psutil import POSIX |
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33 from psutil import SUNOS |
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34 from psutil import WINDOWS |
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35 from psutil._common import open_text |
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36 from psutil._compat import long |
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37 from psutil._compat import PY3 |
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38 from psutil.tests import APPVEYOR |
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39 from psutil.tests import call_until |
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40 from psutil.tests import CIRRUS |
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41 from psutil.tests import copyload_shared_lib |
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42 from psutil.tests import create_exe |
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43 from psutil.tests import create_proc_children_pair |
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44 from psutil.tests import create_zombie_proc |
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45 from psutil.tests import enum |
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46 from psutil.tests import get_test_subprocess |
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47 from psutil.tests import HAS_CPU_AFFINITY |
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48 from psutil.tests import HAS_ENVIRON |
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49 from psutil.tests import HAS_IONICE |
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50 from psutil.tests import HAS_MEMORY_MAPS |
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51 from psutil.tests import HAS_PROC_CPU_NUM |
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52 from psutil.tests import HAS_PROC_IO_COUNTERS |
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53 from psutil.tests import HAS_RLIMIT |
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54 from psutil.tests import HAS_THREADS |
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55 from psutil.tests import mock |
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56 from psutil.tests import PYPY |
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57 from psutil.tests import PYTHON_EXE |
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58 from psutil.tests import reap_children |
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59 from psutil.tests import retry_on_failure |
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60 from psutil.tests import safe_rmpath |
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61 from psutil.tests import sh |
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62 from psutil.tests import skip_on_access_denied |
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63 from psutil.tests import skip_on_not_implemented |
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64 from psutil.tests import TESTFILE_PREFIX |
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65 from psutil.tests import TESTFN |
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66 from psutil.tests import ThreadTask |
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67 from psutil.tests import TRAVIS |
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68 from psutil.tests import unittest |
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69 from psutil.tests import wait_for_pid |
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70 |
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71 |
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72 # =================================================================== |
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73 # --- psutil.Process class tests |
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74 # =================================================================== |
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75 |
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76 class TestProcess(unittest.TestCase): |
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77 """Tests for psutil.Process class.""" |
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78 |
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79 def setUp(self): |
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80 safe_rmpath(TESTFN) |
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81 |
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82 def tearDown(self): |
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83 reap_children() |
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84 |
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85 def test_pid(self): |
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86 p = psutil.Process() |
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87 self.assertEqual(p.pid, os.getpid()) |
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88 sproc = get_test_subprocess() |
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89 self.assertEqual(psutil.Process(sproc.pid).pid, sproc.pid) |
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90 with self.assertRaises(AttributeError): |
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91 p.pid = 33 |
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92 |
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93 def test_kill(self): |
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94 sproc = get_test_subprocess() |
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95 test_pid = sproc.pid |
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96 p = psutil.Process(test_pid) |
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97 p.kill() |
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98 sig = p.wait() |
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99 self.assertFalse(psutil.pid_exists(test_pid)) |
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100 if POSIX: |
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101 self.assertEqual(sig, -signal.SIGKILL) |
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102 |
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103 def test_terminate(self): |
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104 sproc = get_test_subprocess() |
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105 test_pid = sproc.pid |
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106 p = psutil.Process(test_pid) |
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107 p.terminate() |
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108 sig = p.wait() |
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109 self.assertFalse(psutil.pid_exists(test_pid)) |
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110 if POSIX: |
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111 self.assertEqual(sig, -signal.SIGTERM) |
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112 |
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113 def test_send_signal(self): |
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114 sig = signal.SIGKILL if POSIX else signal.SIGTERM |
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115 sproc = get_test_subprocess() |
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116 p = psutil.Process(sproc.pid) |
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117 p.send_signal(sig) |
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118 exit_sig = p.wait() |
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119 self.assertFalse(psutil.pid_exists(p.pid)) |
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120 if POSIX: |
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121 self.assertEqual(exit_sig, -sig) |
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122 # |
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123 sproc = get_test_subprocess() |
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124 p = psutil.Process(sproc.pid) |
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125 p.send_signal(sig) |
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126 with mock.patch('psutil.os.kill', |
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127 side_effect=OSError(errno.ESRCH, "")): |
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128 with self.assertRaises(psutil.NoSuchProcess): |
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129 p.send_signal(sig) |
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130 # |
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131 sproc = get_test_subprocess() |
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132 p = psutil.Process(sproc.pid) |
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133 p.send_signal(sig) |
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134 with mock.patch('psutil.os.kill', |
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135 side_effect=OSError(errno.EPERM, "")): |
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136 with self.assertRaises(psutil.AccessDenied): |
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137 psutil.Process().send_signal(sig) |
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138 # Sending a signal to process with PID 0 is not allowed as |
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139 # it would affect every process in the process group of |
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140 # the calling process (os.getpid()) instead of PID 0"). |
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141 if 0 in psutil.pids(): |
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142 p = psutil.Process(0) |
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143 self.assertRaises(ValueError, p.send_signal, signal.SIGTERM) |
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144 |
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145 def test_wait(self): |
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146 # check exit code signal |
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147 sproc = get_test_subprocess() |
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148 p = psutil.Process(sproc.pid) |
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149 p.kill() |
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150 code = p.wait() |
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151 if POSIX: |
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152 self.assertEqual(code, -signal.SIGKILL) |
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153 else: |
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154 self.assertEqual(code, signal.SIGTERM) |
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155 self.assertFalse(p.is_running()) |
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156 |
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157 sproc = get_test_subprocess() |
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158 p = psutil.Process(sproc.pid) |
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159 p.terminate() |
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160 code = p.wait() |
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161 if POSIX: |
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162 self.assertEqual(code, -signal.SIGTERM) |
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163 else: |
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164 self.assertEqual(code, signal.SIGTERM) |
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165 self.assertFalse(p.is_running()) |
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166 |
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167 # check sys.exit() code |
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168 code = "import time, sys; time.sleep(0.01); sys.exit(5);" |
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169 sproc = get_test_subprocess([PYTHON_EXE, "-c", code]) |
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170 p = psutil.Process(sproc.pid) |
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171 self.assertEqual(p.wait(), 5) |
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172 self.assertFalse(p.is_running()) |
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173 |
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174 # Test wait() issued twice. |
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175 # It is not supposed to raise NSP when the process is gone. |
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176 # On UNIX this should return None, on Windows it should keep |
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177 # returning the exit code. |
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178 sproc = get_test_subprocess([PYTHON_EXE, "-c", code]) |
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179 p = psutil.Process(sproc.pid) |
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180 self.assertEqual(p.wait(), 5) |
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181 self.assertIn(p.wait(), (5, None)) |
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182 |
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183 # test timeout |
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184 sproc = get_test_subprocess() |
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185 p = psutil.Process(sproc.pid) |
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186 p.name() |
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187 self.assertRaises(psutil.TimeoutExpired, p.wait, 0.01) |
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188 |
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189 # timeout < 0 not allowed |
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190 self.assertRaises(ValueError, p.wait, -1) |
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191 |
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192 def test_wait_non_children(self): |
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193 # Test wait() against a process which is not our direct |
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194 # child. |
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195 p1, p2 = create_proc_children_pair() |
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196 self.assertRaises(psutil.TimeoutExpired, p1.wait, 0.01) |
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197 self.assertRaises(psutil.TimeoutExpired, p2.wait, 0.01) |
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198 # We also terminate the direct child otherwise the |
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199 # grandchild will hang until the parent is gone. |
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200 p1.terminate() |
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201 p2.terminate() |
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202 ret1 = p1.wait() |
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203 ret2 = p2.wait() |
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204 if POSIX: |
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205 self.assertEqual(ret1, -signal.SIGTERM) |
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206 # For processes which are not our children we're supposed |
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207 # to get None. |
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208 self.assertEqual(ret2, None) |
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209 else: |
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210 self.assertEqual(ret1, signal.SIGTERM) |
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211 self.assertEqual(ret1, signal.SIGTERM) |
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212 |
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213 def test_wait_timeout_0(self): |
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214 sproc = get_test_subprocess() |
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215 p = psutil.Process(sproc.pid) |
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216 self.assertRaises(psutil.TimeoutExpired, p.wait, 0) |
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217 p.kill() |
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218 stop_at = time.time() + 2 |
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219 while True: |
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220 try: |
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221 code = p.wait(0) |
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222 except psutil.TimeoutExpired: |
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223 if time.time() >= stop_at: |
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224 raise |
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225 else: |
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226 break |
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227 if POSIX: |
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228 self.assertEqual(code, -signal.SIGKILL) |
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229 else: |
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230 self.assertEqual(code, signal.SIGTERM) |
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231 self.assertFalse(p.is_running()) |
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232 |
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233 def test_cpu_percent(self): |
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234 p = psutil.Process() |
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235 p.cpu_percent(interval=0.001) |
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236 p.cpu_percent(interval=0.001) |
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237 for x in range(100): |
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238 percent = p.cpu_percent(interval=None) |
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239 self.assertIsInstance(percent, float) |
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240 self.assertGreaterEqual(percent, 0.0) |
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241 with self.assertRaises(ValueError): |
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242 p.cpu_percent(interval=-1) |
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243 |
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244 def test_cpu_percent_numcpus_none(self): |
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245 # See: https://github.com/giampaolo/psutil/issues/1087 |
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246 with mock.patch('psutil.cpu_count', return_value=None) as m: |
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247 psutil.Process().cpu_percent() |
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248 assert m.called |
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249 |
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250 def test_cpu_times(self): |
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251 times = psutil.Process().cpu_times() |
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252 assert (times.user > 0.0) or (times.system > 0.0), times |
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253 assert (times.children_user >= 0.0), times |
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254 assert (times.children_system >= 0.0), times |
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255 if LINUX: |
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256 assert times.iowait >= 0.0, times |
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257 # make sure returned values can be pretty printed with strftime |
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258 for name in times._fields: |
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259 time.strftime("%H:%M:%S", time.localtime(getattr(times, name))) |
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260 |
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261 def test_cpu_times_2(self): |
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262 user_time, kernel_time = psutil.Process().cpu_times()[:2] |
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263 utime, ktime = os.times()[:2] |
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264 |
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265 # Use os.times()[:2] as base values to compare our results |
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266 # using a tolerance of +/- 0.1 seconds. |
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267 # It will fail if the difference between the values is > 0.1s. |
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268 if (max([user_time, utime]) - min([user_time, utime])) > 0.1: |
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269 self.fail("expected: %s, found: %s" % (utime, user_time)) |
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270 |
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271 if (max([kernel_time, ktime]) - min([kernel_time, ktime])) > 0.1: |
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272 self.fail("expected: %s, found: %s" % (ktime, kernel_time)) |
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273 |
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274 @unittest.skipIf(not HAS_PROC_CPU_NUM, "not supported") |
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275 def test_cpu_num(self): |
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276 p = psutil.Process() |
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277 num = p.cpu_num() |
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278 self.assertGreaterEqual(num, 0) |
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279 if psutil.cpu_count() == 1: |
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280 self.assertEqual(num, 0) |
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281 self.assertIn(p.cpu_num(), range(psutil.cpu_count())) |
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282 |
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283 def test_create_time(self): |
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284 sproc = get_test_subprocess() |
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285 now = time.time() |
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286 p = psutil.Process(sproc.pid) |
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287 create_time = p.create_time() |
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288 |
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289 # Use time.time() as base value to compare our result using a |
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290 # tolerance of +/- 1 second. |
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291 # It will fail if the difference between the values is > 2s. |
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292 difference = abs(create_time - now) |
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293 if difference > 2: |
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294 self.fail("expected: %s, found: %s, difference: %s" |
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295 % (now, create_time, difference)) |
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296 |
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297 # make sure returned value can be pretty printed with strftime |
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298 time.strftime("%Y %m %d %H:%M:%S", time.localtime(p.create_time())) |
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299 |
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300 @unittest.skipIf(not POSIX, 'POSIX only') |
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301 @unittest.skipIf(TRAVIS or CIRRUS, 'not reliable on TRAVIS/CIRRUS') |
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302 def test_terminal(self): |
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303 terminal = psutil.Process().terminal() |
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304 if sys.stdin.isatty() or sys.stdout.isatty(): |
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305 tty = os.path.realpath(sh('tty')) |
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306 self.assertEqual(terminal, tty) |
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307 else: |
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308 self.assertIsNone(terminal) |
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309 |
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310 @unittest.skipIf(not HAS_PROC_IO_COUNTERS, 'not supported') |
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311 @skip_on_not_implemented(only_if=LINUX) |
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312 def test_io_counters(self): |
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313 p = psutil.Process() |
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314 # test reads |
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315 io1 = p.io_counters() |
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316 with open(PYTHON_EXE, 'rb') as f: |
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317 f.read() |
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318 io2 = p.io_counters() |
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319 if not BSD and not AIX: |
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320 self.assertGreater(io2.read_count, io1.read_count) |
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321 self.assertEqual(io2.write_count, io1.write_count) |
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322 if LINUX: |
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323 self.assertGreater(io2.read_chars, io1.read_chars) |
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324 self.assertEqual(io2.write_chars, io1.write_chars) |
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325 else: |
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326 self.assertGreaterEqual(io2.read_bytes, io1.read_bytes) |
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327 self.assertGreaterEqual(io2.write_bytes, io1.write_bytes) |
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328 |
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329 # test writes |
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330 io1 = p.io_counters() |
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331 with tempfile.TemporaryFile(prefix=TESTFILE_PREFIX) as f: |
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332 if PY3: |
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333 f.write(bytes("x" * 1000000, 'ascii')) |
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334 else: |
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335 f.write("x" * 1000000) |
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336 io2 = p.io_counters() |
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337 self.assertGreaterEqual(io2.write_count, io1.write_count) |
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338 self.assertGreaterEqual(io2.write_bytes, io1.write_bytes) |
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339 self.assertGreaterEqual(io2.read_count, io1.read_count) |
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340 self.assertGreaterEqual(io2.read_bytes, io1.read_bytes) |
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341 if LINUX: |
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342 self.assertGreater(io2.write_chars, io1.write_chars) |
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343 self.assertGreaterEqual(io2.read_chars, io1.read_chars) |
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344 |
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345 # sanity check |
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346 for i in range(len(io2)): |
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347 if BSD and i >= 2: |
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348 # On BSD read_bytes and write_bytes are always set to -1. |
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349 continue |
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350 self.assertGreaterEqual(io2[i], 0) |
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351 self.assertGreaterEqual(io2[i], 0) |
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352 |
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353 @unittest.skipIf(not HAS_IONICE, "not supported") |
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354 @unittest.skipIf(not LINUX, "linux only") |
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355 def test_ionice_linux(self): |
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356 p = psutil.Process() |
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357 self.assertEqual(p.ionice()[0], psutil.IOPRIO_CLASS_NONE) |
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358 self.assertEqual(psutil.IOPRIO_CLASS_NONE, 0) |
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359 self.assertEqual(psutil.IOPRIO_CLASS_RT, 1) # high |
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360 self.assertEqual(psutil.IOPRIO_CLASS_BE, 2) # normal |
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361 self.assertEqual(psutil.IOPRIO_CLASS_IDLE, 3) # low |
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362 try: |
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363 # low |
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364 p.ionice(psutil.IOPRIO_CLASS_IDLE) |
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365 self.assertEqual(tuple(p.ionice()), (psutil.IOPRIO_CLASS_IDLE, 0)) |
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366 with self.assertRaises(ValueError): # accepts no value |
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367 p.ionice(psutil.IOPRIO_CLASS_IDLE, value=7) |
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368 # normal |
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369 p.ionice(psutil.IOPRIO_CLASS_BE) |
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370 self.assertEqual(tuple(p.ionice()), (psutil.IOPRIO_CLASS_BE, 0)) |
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371 p.ionice(psutil.IOPRIO_CLASS_BE, value=7) |
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372 self.assertEqual(tuple(p.ionice()), (psutil.IOPRIO_CLASS_BE, 7)) |
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373 with self.assertRaises(ValueError): |
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374 p.ionice(psutil.IOPRIO_CLASS_BE, value=8) |
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375 # high |
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376 if os.getuid() == 0: # root |
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377 p.ionice(psutil.IOPRIO_CLASS_RT) |
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378 self.assertEqual(tuple(p.ionice()), |
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379 (psutil.IOPRIO_CLASS_RT, 0)) |
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380 p.ionice(psutil.IOPRIO_CLASS_RT, value=7) |
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381 self.assertEqual(tuple(p.ionice()), |
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382 (psutil.IOPRIO_CLASS_RT, 7)) |
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383 with self.assertRaises(ValueError): |
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384 p.ionice(psutil.IOPRIO_CLASS_IDLE, value=8) |
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385 # errs |
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386 self.assertRaisesRegex( |
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387 ValueError, "ioclass accepts no value", |
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388 p.ionice, psutil.IOPRIO_CLASS_NONE, 1) |
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389 self.assertRaisesRegex( |
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390 ValueError, "ioclass accepts no value", |
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391 p.ionice, psutil.IOPRIO_CLASS_IDLE, 1) |
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392 self.assertRaisesRegex( |
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393 ValueError, "'ioclass' argument must be specified", |
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394 p.ionice, value=1) |
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395 finally: |
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396 p.ionice(psutil.IOPRIO_CLASS_BE) |
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397 |
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398 @unittest.skipIf(not HAS_IONICE, "not supported") |
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399 @unittest.skipIf(not WINDOWS, 'not supported on this win version') |
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400 def test_ionice_win(self): |
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401 p = psutil.Process() |
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402 self.assertEqual(p.ionice(), psutil.IOPRIO_NORMAL) |
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403 try: |
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404 # base |
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405 p.ionice(psutil.IOPRIO_VERYLOW) |
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406 self.assertEqual(p.ionice(), psutil.IOPRIO_VERYLOW) |
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407 p.ionice(psutil.IOPRIO_LOW) |
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408 self.assertEqual(p.ionice(), psutil.IOPRIO_LOW) |
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409 try: |
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410 p.ionice(psutil.IOPRIO_HIGH) |
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411 except psutil.AccessDenied: |
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412 pass |
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413 else: |
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414 self.assertEqual(p.ionice(), psutil.IOPRIO_HIGH) |
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415 # errs |
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416 self.assertRaisesRegex( |
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417 TypeError, "value argument not accepted on Windows", |
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418 p.ionice, psutil.IOPRIO_NORMAL, value=1) |
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419 self.assertRaisesRegex( |
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420 ValueError, "is not a valid priority", |
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421 p.ionice, psutil.IOPRIO_HIGH + 1) |
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422 finally: |
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423 p.ionice(psutil.IOPRIO_NORMAL) |
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424 self.assertEqual(p.ionice(), psutil.IOPRIO_NORMAL) |
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425 |
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426 @unittest.skipIf(not HAS_RLIMIT, "not supported") |
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427 def test_rlimit_get(self): |
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428 import resource |
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429 p = psutil.Process(os.getpid()) |
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430 names = [x for x in dir(psutil) if x.startswith('RLIMIT')] |
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431 assert names, names |
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432 for name in names: |
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433 value = getattr(psutil, name) |
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434 self.assertGreaterEqual(value, 0) |
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435 if name in dir(resource): |
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436 self.assertEqual(value, getattr(resource, name)) |
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437 # XXX - On PyPy RLIMIT_INFINITY returned by |
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438 # resource.getrlimit() is reported as a very big long |
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439 # number instead of -1. It looks like a bug with PyPy. |
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440 if PYPY: |
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441 continue |
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442 self.assertEqual(p.rlimit(value), resource.getrlimit(value)) |
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443 else: |
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444 ret = p.rlimit(value) |
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445 self.assertEqual(len(ret), 2) |
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446 self.assertGreaterEqual(ret[0], -1) |
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447 self.assertGreaterEqual(ret[1], -1) |
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448 |
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449 @unittest.skipIf(not HAS_RLIMIT, "not supported") |
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450 def test_rlimit_set(self): |
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451 sproc = get_test_subprocess() |
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452 p = psutil.Process(sproc.pid) |
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453 p.rlimit(psutil.RLIMIT_NOFILE, (5, 5)) |
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454 self.assertEqual(p.rlimit(psutil.RLIMIT_NOFILE), (5, 5)) |
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455 # If pid is 0 prlimit() applies to the calling process and |
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456 # we don't want that. |
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457 with self.assertRaises(ValueError): |
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458 psutil._psplatform.Process(0).rlimit(0) |
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459 with self.assertRaises(ValueError): |
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460 p.rlimit(psutil.RLIMIT_NOFILE, (5, 5, 5)) |
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461 |
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462 @unittest.skipIf(not HAS_RLIMIT, "not supported") |
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463 def test_rlimit(self): |
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464 p = psutil.Process() |
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465 soft, hard = p.rlimit(psutil.RLIMIT_FSIZE) |
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466 try: |
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467 p.rlimit(psutil.RLIMIT_FSIZE, (1024, hard)) |
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468 with open(TESTFN, "wb") as f: |
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469 f.write(b"X" * 1024) |
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470 # write() or flush() doesn't always cause the exception |
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471 # but close() will. |
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472 with self.assertRaises(IOError) as exc: |
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473 with open(TESTFN, "wb") as f: |
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474 f.write(b"X" * 1025) |
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475 self.assertEqual(exc.exception.errno if PY3 else exc.exception[0], |
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476 errno.EFBIG) |
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477 finally: |
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478 p.rlimit(psutil.RLIMIT_FSIZE, (soft, hard)) |
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479 self.assertEqual(p.rlimit(psutil.RLIMIT_FSIZE), (soft, hard)) |
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480 |
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481 @unittest.skipIf(not HAS_RLIMIT, "not supported") |
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482 def test_rlimit_infinity(self): |
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483 # First set a limit, then re-set it by specifying INFINITY |
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484 # and assume we overridden the previous limit. |
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485 p = psutil.Process() |
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486 soft, hard = p.rlimit(psutil.RLIMIT_FSIZE) |
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487 try: |
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488 p.rlimit(psutil.RLIMIT_FSIZE, (1024, hard)) |
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489 p.rlimit(psutil.RLIMIT_FSIZE, (psutil.RLIM_INFINITY, hard)) |
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490 with open(TESTFN, "wb") as f: |
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491 f.write(b"X" * 2048) |
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492 finally: |
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493 p.rlimit(psutil.RLIMIT_FSIZE, (soft, hard)) |
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494 self.assertEqual(p.rlimit(psutil.RLIMIT_FSIZE), (soft, hard)) |
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495 |
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496 @unittest.skipIf(not HAS_RLIMIT, "not supported") |
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497 def test_rlimit_infinity_value(self): |
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498 # RLIMIT_FSIZE should be RLIM_INFINITY, which will be a really |
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499 # big number on a platform with large file support. On these |
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500 # platforms we need to test that the get/setrlimit functions |
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501 # properly convert the number to a C long long and that the |
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502 # conversion doesn't raise an error. |
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503 p = psutil.Process() |
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504 soft, hard = p.rlimit(psutil.RLIMIT_FSIZE) |
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505 self.assertEqual(psutil.RLIM_INFINITY, hard) |
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506 p.rlimit(psutil.RLIMIT_FSIZE, (soft, hard)) |
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507 |
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508 def test_num_threads(self): |
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509 # on certain platforms such as Linux we might test for exact |
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510 # thread number, since we always have with 1 thread per process, |
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511 # but this does not apply across all platforms (MACOS, Windows) |
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512 p = psutil.Process() |
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513 if OPENBSD: |
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514 try: |
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515 step1 = p.num_threads() |
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516 except psutil.AccessDenied: |
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517 raise unittest.SkipTest("on OpenBSD this requires root access") |
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518 else: |
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519 step1 = p.num_threads() |
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520 |
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521 with ThreadTask(): |
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522 step2 = p.num_threads() |
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523 self.assertEqual(step2, step1 + 1) |
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524 |
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525 @unittest.skipIf(not WINDOWS, 'WINDOWS only') |
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526 def test_num_handles(self): |
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527 # a better test is done later into test/_windows.py |
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528 p = psutil.Process() |
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529 self.assertGreater(p.num_handles(), 0) |
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530 |
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531 @unittest.skipIf(not HAS_THREADS, 'not supported') |
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532 def test_threads(self): |
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533 p = psutil.Process() |
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534 if OPENBSD: |
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535 try: |
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536 step1 = p.threads() |
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537 except psutil.AccessDenied: |
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538 raise unittest.SkipTest("on OpenBSD this requires root access") |
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539 else: |
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540 step1 = p.threads() |
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541 |
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542 with ThreadTask(): |
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543 step2 = p.threads() |
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544 self.assertEqual(len(step2), len(step1) + 1) |
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545 athread = step2[0] |
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546 # test named tuple |
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547 self.assertEqual(athread.id, athread[0]) |
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548 self.assertEqual(athread.user_time, athread[1]) |
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549 self.assertEqual(athread.system_time, athread[2]) |
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550 |
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551 @retry_on_failure() |
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552 @skip_on_access_denied(only_if=MACOS) |
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553 @unittest.skipIf(not HAS_THREADS, 'not supported') |
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554 def test_threads_2(self): |
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555 sproc = get_test_subprocess() |
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556 p = psutil.Process(sproc.pid) |
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557 if OPENBSD: |
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558 try: |
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559 p.threads() |
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560 except psutil.AccessDenied: |
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561 raise unittest.SkipTest( |
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562 "on OpenBSD this requires root access") |
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563 self.assertAlmostEqual( |
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564 p.cpu_times().user, |
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565 sum([x.user_time for x in p.threads()]), delta=0.1) |
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parents:
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|
566 self.assertAlmostEqual( |
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|
567 p.cpu_times().system, |
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568 sum([x.system_time for x in p.threads()]), delta=0.1) |
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569 |
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570 def test_memory_info(self): |
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571 p = psutil.Process() |
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572 |
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573 # step 1 - get a base value to compare our results |
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574 rss1, vms1 = p.memory_info()[:2] |
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575 percent1 = p.memory_percent() |
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576 self.assertGreater(rss1, 0) |
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577 self.assertGreater(vms1, 0) |
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578 |
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579 # step 2 - allocate some memory |
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580 memarr = [None] * 1500000 |
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581 |
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582 rss2, vms2 = p.memory_info()[:2] |
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583 percent2 = p.memory_percent() |
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584 |
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585 # step 3 - make sure that the memory usage bumped up |
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586 self.assertGreater(rss2, rss1) |
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587 self.assertGreaterEqual(vms2, vms1) # vms might be equal |
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588 self.assertGreater(percent2, percent1) |
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589 del memarr |
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590 |
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591 if WINDOWS: |
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592 mem = p.memory_info() |
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593 self.assertEqual(mem.rss, mem.wset) |
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594 self.assertEqual(mem.vms, mem.pagefile) |
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595 |
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596 mem = p.memory_info() |
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597 for name in mem._fields: |
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598 self.assertGreaterEqual(getattr(mem, name), 0) |
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599 |
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600 def test_memory_full_info(self): |
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601 total = psutil.virtual_memory().total |
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602 mem = psutil.Process().memory_full_info() |
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603 for name in mem._fields: |
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604 value = getattr(mem, name) |
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605 self.assertGreaterEqual(value, 0, msg=(name, value)) |
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606 if name == 'vms' and OSX or LINUX: |
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607 continue |
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608 self.assertLessEqual(value, total, msg=(name, value, total)) |
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609 if LINUX or WINDOWS or MACOS: |
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610 self.assertGreaterEqual(mem.uss, 0) |
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611 if LINUX: |
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612 self.assertGreaterEqual(mem.pss, 0) |
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613 self.assertGreaterEqual(mem.swap, 0) |
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614 |
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615 @unittest.skipIf(not HAS_MEMORY_MAPS, "not supported") |
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616 def test_memory_maps(self): |
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617 p = psutil.Process() |
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618 maps = p.memory_maps() |
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619 paths = [x for x in maps] |
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620 self.assertEqual(len(paths), len(set(paths))) |
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621 ext_maps = p.memory_maps(grouped=False) |
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622 |
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623 for nt in maps: |
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624 if not nt.path.startswith('['): |
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625 assert os.path.isabs(nt.path), nt.path |
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626 if POSIX: |
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627 try: |
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628 assert os.path.exists(nt.path) or \ |
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629 os.path.islink(nt.path), nt.path |
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630 except AssertionError: |
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631 if not LINUX: |
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632 raise |
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633 else: |
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634 # https://github.com/giampaolo/psutil/issues/759 |
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635 with open_text('/proc/self/smaps') as f: |
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636 data = f.read() |
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637 if "%s (deleted)" % nt.path not in data: |
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638 raise |
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639 else: |
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640 # XXX - On Windows we have this strange behavior with |
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641 # 64 bit dlls: they are visible via explorer but cannot |
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642 # be accessed via os.stat() (wtf?). |
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643 if '64' not in os.path.basename(nt.path): |
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644 assert os.path.exists(nt.path), nt.path |
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645 for nt in ext_maps: |
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646 for fname in nt._fields: |
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647 value = getattr(nt, fname) |
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648 if fname == 'path': |
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649 continue |
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650 elif fname in ('addr', 'perms'): |
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651 assert value, value |
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652 else: |
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653 self.assertIsInstance(value, (int, long)) |
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654 assert value >= 0, value |
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655 |
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656 @unittest.skipIf(not HAS_MEMORY_MAPS, "not supported") |
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657 def test_memory_maps_lists_lib(self): |
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658 # Make sure a newly loaded shared lib is listed. |
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659 with copyload_shared_lib() as path: |
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660 def normpath(p): |
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661 return os.path.realpath(os.path.normcase(p)) |
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662 libpaths = [normpath(x.path) |
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663 for x in psutil.Process().memory_maps()] |
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664 self.assertIn(normpath(path), libpaths) |
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665 |
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666 def test_memory_percent(self): |
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667 p = psutil.Process() |
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668 p.memory_percent() |
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669 self.assertRaises(ValueError, p.memory_percent, memtype="?!?") |
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670 if LINUX or MACOS or WINDOWS: |
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671 p.memory_percent(memtype='uss') |
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672 |
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673 def test_is_running(self): |
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674 sproc = get_test_subprocess() |
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675 p = psutil.Process(sproc.pid) |
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676 assert p.is_running() |
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677 assert p.is_running() |
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678 p.kill() |
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679 p.wait() |
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680 assert not p.is_running() |
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681 assert not p.is_running() |
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682 |
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683 def test_exe(self): |
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684 sproc = get_test_subprocess() |
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685 exe = psutil.Process(sproc.pid).exe() |
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686 try: |
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687 self.assertEqual(exe, PYTHON_EXE) |
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688 except AssertionError: |
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689 if WINDOWS and len(exe) == len(PYTHON_EXE): |
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690 # on Windows we don't care about case sensitivity |
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691 normcase = os.path.normcase |
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692 self.assertEqual(normcase(exe), normcase(PYTHON_EXE)) |
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693 else: |
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694 # certain platforms such as BSD are more accurate returning: |
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695 # "/usr/local/bin/python2.7" |
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696 # ...instead of: |
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697 # "/usr/local/bin/python" |
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698 # We do not want to consider this difference in accuracy |
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699 # an error. |
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700 ver = "%s.%s" % (sys.version_info[0], sys.version_info[1]) |
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701 try: |
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702 self.assertEqual(exe.replace(ver, ''), |
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703 PYTHON_EXE.replace(ver, '')) |
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704 except AssertionError: |
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705 # Tipically MACOS. Really not sure what to do here. |
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|
706 pass |
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|
707 |
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708 out = sh([exe, "-c", "import os; print('hey')"]) |
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709 self.assertEqual(out, 'hey') |
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710 |
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|
711 def test_cmdline(self): |
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712 cmdline = [PYTHON_EXE, "-c", "import time; time.sleep(60)"] |
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713 sproc = get_test_subprocess(cmdline) |
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714 try: |
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715 self.assertEqual(' '.join(psutil.Process(sproc.pid).cmdline()), |
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716 ' '.join(cmdline)) |
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717 except AssertionError: |
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parents:
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718 # XXX - most of the times the underlying sysctl() call on Net |
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719 # and Open BSD returns a truncated string. |
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720 # Also /proc/pid/cmdline behaves the same so it looks |
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shellac
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721 # like this is a kernel bug. |
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parents:
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722 # XXX - AIX truncates long arguments in /proc/pid/cmdline |
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|
723 if NETBSD or OPENBSD or AIX: |
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shellac
parents:
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|
724 self.assertEqual( |
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shellac
parents:
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|
725 psutil.Process(sproc.pid).cmdline()[0], PYTHON_EXE) |
26e78fe6e8c4
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|
726 else: |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
727 raise |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
728 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
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|
729 @unittest.skipIf(PYPY, "broken on PYPY") |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
730 def test_long_cmdline(self): |
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|
731 create_exe(TESTFN) |
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parents:
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|
732 self.addCleanup(safe_rmpath, TESTFN) |
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shellac
parents:
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|
733 cmdline = [TESTFN] + (["0123456789"] * 20) |
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shellac
parents:
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|
734 sproc = get_test_subprocess(cmdline) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
735 p = psutil.Process(sproc.pid) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
736 self.assertEqual(p.cmdline(), cmdline) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
737 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
738 def test_name(self): |
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parents:
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739 sproc = get_test_subprocess(PYTHON_EXE) |
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shellac
parents:
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|
740 name = psutil.Process(sproc.pid).name().lower() |
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shellac
parents:
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|
741 pyexe = os.path.basename(os.path.realpath(sys.executable)).lower() |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
742 assert pyexe.startswith(name), (pyexe, name) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
743 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
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|
744 @unittest.skipIf(PYPY, "unreliable on PYPY") |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
745 def test_long_name(self): |
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shellac
parents:
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746 long_name = TESTFN + ("0123456789" * 2) |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
747 create_exe(long_name) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
748 self.addCleanup(safe_rmpath, long_name) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
749 sproc = get_test_subprocess(long_name) |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
750 p = psutil.Process(sproc.pid) |
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shellac
parents:
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|
751 self.assertEqual(p.name(), os.path.basename(long_name)) |
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shellac
parents:
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|
752 |
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shellac
parents:
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|
753 # XXX |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
754 @unittest.skipIf(SUNOS, "broken on SUNOS") |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
755 @unittest.skipIf(AIX, "broken on AIX") |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
756 @unittest.skipIf(PYPY, "broken on PYPY") |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
757 def test_prog_w_funky_name(self): |
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shellac
parents:
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|
758 # Test that name(), exe() and cmdline() correctly handle programs |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
759 # with funky chars such as spaces and ")", see: |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
760 # https://github.com/giampaolo/psutil/issues/628 |
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shellac
parents:
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changeset
|
761 |
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shellac
parents:
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|
762 def rm(): |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
763 # Try to limit occasional failures on Appveyor: |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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764 # https://ci.appveyor.com/project/giampaolo/psutil/build/1350/ |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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|
765 # job/lbo3bkju55le850n |
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shellac
parents:
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|
766 try: |
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shellac
parents:
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changeset
|
767 safe_rmpath(funky_path) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
768 except OSError: |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
769 pass |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
770 |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
771 funky_path = TESTFN + 'foo bar )' |
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shellac
parents:
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changeset
|
772 create_exe(funky_path) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
773 self.addCleanup(rm) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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774 cmdline = [funky_path, "-c", |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
775 "import time; [time.sleep(0.01) for x in range(3000)];" |
26e78fe6e8c4
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shellac
parents:
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changeset
|
776 "arg1", "arg2", "", "arg3", ""] |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
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|
777 sproc = get_test_subprocess(cmdline) |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
778 p = psutil.Process(sproc.pid) |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
779 # ...in order to try to prevent occasional failures on travis |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
780 if TRAVIS: |
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parents:
diff
changeset
|
781 wait_for_pid(p.pid) |
26e78fe6e8c4
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782 self.assertEqual(p.cmdline(), cmdline) |
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|
783 self.assertEqual(p.name(), os.path.basename(funky_path)) |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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784 self.assertEqual(os.path.normcase(p.exe()), |
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shellac
parents:
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|
785 os.path.normcase(funky_path)) |
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parents:
diff
changeset
|
786 |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
787 @unittest.skipIf(not POSIX, 'POSIX only') |
26e78fe6e8c4
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parents:
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|
788 def test_uids(self): |
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789 p = psutil.Process() |
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parents:
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changeset
|
790 real, effective, saved = p.uids() |
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parents:
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changeset
|
791 # os.getuid() refers to "real" uid |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
792 self.assertEqual(real, os.getuid()) |
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shellac
parents:
diff
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|
793 # os.geteuid() refers to "effective" uid |
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parents:
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794 self.assertEqual(effective, os.geteuid()) |
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parents:
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795 # No such thing as os.getsuid() ("saved" uid), but starting |
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shellac
parents:
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796 # from python 2.7 we have os.getresuid() which returns all |
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parents:
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797 # of them. |
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parents:
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|
798 if hasattr(os, "getresuid"): |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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799 self.assertEqual(os.getresuid(), p.uids()) |
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parents:
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changeset
|
800 |
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parents:
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|
801 @unittest.skipIf(not POSIX, 'POSIX only') |
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parents:
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802 def test_gids(self): |
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parents:
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changeset
|
803 p = psutil.Process() |
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parents:
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|
804 real, effective, saved = p.gids() |
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parents:
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|
805 # os.getuid() refers to "real" uid |
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parents:
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|
806 self.assertEqual(real, os.getgid()) |
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parents:
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|
807 # os.geteuid() refers to "effective" uid |
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parents:
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changeset
|
808 self.assertEqual(effective, os.getegid()) |
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parents:
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809 # No such thing as os.getsgid() ("saved" gid), but starting |
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parents:
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810 # from python 2.7 we have os.getresgid() which returns all |
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parents:
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811 # of them. |
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parents:
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|
812 if hasattr(os, "getresuid"): |
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shellac
parents:
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813 self.assertEqual(os.getresgid(), p.gids()) |
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parents:
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|
814 |
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parents:
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|
815 def test_nice(self): |
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parents:
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816 p = psutil.Process() |
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817 self.assertRaises(TypeError, p.nice, "str") |
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818 if WINDOWS: |
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|
819 try: |
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820 init = p.nice() |
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821 if sys.version_info > (3, 4): |
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822 self.assertIsInstance(init, enum.IntEnum) |
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|
823 else: |
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|
824 self.assertIsInstance(init, int) |
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|
825 self.assertEqual(init, psutil.NORMAL_PRIORITY_CLASS) |
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|
826 p.nice(psutil.HIGH_PRIORITY_CLASS) |
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827 self.assertEqual(p.nice(), psutil.HIGH_PRIORITY_CLASS) |
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|
828 p.nice(psutil.NORMAL_PRIORITY_CLASS) |
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|
829 self.assertEqual(p.nice(), psutil.NORMAL_PRIORITY_CLASS) |
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|
830 finally: |
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|
831 p.nice(psutil.NORMAL_PRIORITY_CLASS) |
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|
832 else: |
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|
833 first_nice = p.nice() |
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|
834 try: |
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shellac
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|
835 if hasattr(os, "getpriority"): |
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parents:
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|
836 self.assertEqual( |
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parents:
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|
837 os.getpriority(os.PRIO_PROCESS, os.getpid()), p.nice()) |
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|
838 p.nice(1) |
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parents:
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|
839 self.assertEqual(p.nice(), 1) |
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|
840 if hasattr(os, "getpriority"): |
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|
841 self.assertEqual( |
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|
842 os.getpriority(os.PRIO_PROCESS, os.getpid()), p.nice()) |
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shellac
parents:
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|
843 # XXX - going back to previous nice value raises |
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parents:
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|
844 # AccessDenied on MACOS |
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parents:
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|
845 if not MACOS: |
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|
846 p.nice(0) |
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parents:
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|
847 self.assertEqual(p.nice(), 0) |
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|
848 except psutil.AccessDenied: |
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shellac
parents:
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|
849 pass |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
850 finally: |
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parents:
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changeset
|
851 try: |
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shellac
parents:
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|
852 p.nice(first_nice) |
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shellac
parents:
diff
changeset
|
853 except psutil.AccessDenied: |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
854 pass |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
855 |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
856 def test_status(self): |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
857 p = psutil.Process() |
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shellac
parents:
diff
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|
858 self.assertEqual(p.status(), psutil.STATUS_RUNNING) |
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parents:
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|
859 |
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shellac
parents:
diff
changeset
|
860 def test_username(self): |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
861 sproc = get_test_subprocess() |
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parents:
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|
862 p = psutil.Process(sproc.pid) |
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parents:
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863 username = p.username() |
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|
864 if WINDOWS: |
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shellac
parents:
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|
865 domain, username = username.split('\\') |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
866 self.assertEqual(username, getpass.getuser()) |
26e78fe6e8c4
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shellac
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|
867 if 'USERDOMAIN' in os.environ: |
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|
868 self.assertEqual(domain, os.environ['USERDOMAIN']) |
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parents:
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|
869 else: |
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shellac
parents:
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|
870 self.assertEqual(username, getpass.getuser()) |
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shellac
parents:
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|
871 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
872 def test_cwd(self): |
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|
873 sproc = get_test_subprocess() |
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parents:
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|
874 p = psutil.Process(sproc.pid) |
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parents:
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875 self.assertEqual(p.cwd(), os.getcwd()) |
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parents:
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changeset
|
876 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
877 def test_cwd_2(self): |
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parents:
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878 cmd = [PYTHON_EXE, "-c", |
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parents:
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|
879 "import os, time; os.chdir('..'); time.sleep(60)"] |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
880 sproc = get_test_subprocess(cmd) |
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parents:
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|
881 p = psutil.Process(sproc.pid) |
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parents:
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|
882 call_until(p.cwd, "ret == os.path.dirname(os.getcwd())") |
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parents:
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|
883 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
884 @unittest.skipIf(not HAS_CPU_AFFINITY, 'not supported') |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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885 def test_cpu_affinity(self): |
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parents:
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|
886 p = psutil.Process() |
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shellac
parents:
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changeset
|
887 initial = p.cpu_affinity() |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff
changeset
|
888 assert initial, initial |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
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|
889 self.addCleanup(p.cpu_affinity, initial) |
26e78fe6e8c4
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shellac
parents:
diff
changeset
|
890 |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
891 if hasattr(os, "sched_getaffinity"): |
26e78fe6e8c4
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
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892 self.assertEqual(initial, list(os.sched_getaffinity(p.pid))) |
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893 self.assertEqual(len(initial), len(set(initial))) |
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894 |
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895 all_cpus = list(range(len(psutil.cpu_percent(percpu=True)))) |
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896 # Work around travis failure: |
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897 # https://travis-ci.org/giampaolo/psutil/builds/284173194 |
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898 for n in all_cpus if not TRAVIS else initial: |
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899 p.cpu_affinity([n]) |
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900 self.assertEqual(p.cpu_affinity(), [n]) |
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901 if hasattr(os, "sched_getaffinity"): |
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902 self.assertEqual(p.cpu_affinity(), |
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903 list(os.sched_getaffinity(p.pid))) |
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904 # also test num_cpu() |
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905 if hasattr(p, "num_cpu"): |
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906 self.assertEqual(p.cpu_affinity()[0], p.num_cpu()) |
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907 |
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908 # [] is an alias for "all eligible CPUs"; on Linux this may |
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909 # not be equal to all available CPUs, see: |
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910 # https://github.com/giampaolo/psutil/issues/956 |
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911 p.cpu_affinity([]) |
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912 if LINUX: |
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913 self.assertEqual(p.cpu_affinity(), p._proc._get_eligible_cpus()) |
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914 else: |
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915 self.assertEqual(p.cpu_affinity(), all_cpus) |
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916 if hasattr(os, "sched_getaffinity"): |
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917 self.assertEqual(p.cpu_affinity(), |
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918 list(os.sched_getaffinity(p.pid))) |
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919 # |
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920 self.assertRaises(TypeError, p.cpu_affinity, 1) |
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921 p.cpu_affinity(initial) |
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922 # it should work with all iterables, not only lists |
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923 if not TRAVIS: |
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924 p.cpu_affinity(set(all_cpus)) |
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925 p.cpu_affinity(tuple(all_cpus)) |
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926 |
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927 @unittest.skipIf(not HAS_CPU_AFFINITY, 'not supported') |
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928 def test_cpu_affinity_errs(self): |
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929 sproc = get_test_subprocess() |
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930 p = psutil.Process(sproc.pid) |
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931 invalid_cpu = [len(psutil.cpu_times(percpu=True)) + 10] |
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932 self.assertRaises(ValueError, p.cpu_affinity, invalid_cpu) |
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933 self.assertRaises(ValueError, p.cpu_affinity, range(10000, 11000)) |
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934 self.assertRaises(TypeError, p.cpu_affinity, [0, "1"]) |
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935 self.assertRaises(ValueError, p.cpu_affinity, [0, -1]) |
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936 |
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937 @unittest.skipIf(not HAS_CPU_AFFINITY, 'not supported') |
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938 def test_cpu_affinity_all_combinations(self): |
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939 p = psutil.Process() |
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940 initial = p.cpu_affinity() |
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941 assert initial, initial |
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942 self.addCleanup(p.cpu_affinity, initial) |
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943 |
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|
944 # All possible CPU set combinations. |
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945 if len(initial) > 12: |
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946 initial = initial[:12] # ...otherwise it will take forever |
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947 combos = [] |
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948 for l in range(0, len(initial) + 1): |
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949 for subset in itertools.combinations(initial, l): |
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950 if subset: |
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951 combos.append(list(subset)) |
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952 |
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953 for combo in combos: |
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954 p.cpu_affinity(combo) |
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955 self.assertEqual(p.cpu_affinity(), combo) |
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956 |
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957 # TODO: #595 |
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958 @unittest.skipIf(BSD, "broken on BSD") |
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959 # can't find any process file on Appveyor |
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960 @unittest.skipIf(APPVEYOR, "unreliable on APPVEYOR") |
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961 def test_open_files(self): |
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962 # current process |
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963 p = psutil.Process() |
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964 files = p.open_files() |
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965 self.assertFalse(TESTFN in files) |
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966 with open(TESTFN, 'wb') as f: |
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967 f.write(b'x' * 1024) |
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968 f.flush() |
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969 # give the kernel some time to see the new file |
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970 files = call_until(p.open_files, "len(ret) != %i" % len(files)) |
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971 filenames = [os.path.normcase(x.path) for x in files] |
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972 self.assertIn(os.path.normcase(TESTFN), filenames) |
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973 if LINUX: |
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974 for file in files: |
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975 if file.path == TESTFN: |
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976 self.assertEqual(file.position, 1024) |
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977 for file in files: |
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978 assert os.path.isfile(file.path), file |
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979 |
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980 # another process |
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981 cmdline = "import time; f = open(r'%s', 'r'); time.sleep(60);" % TESTFN |
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982 sproc = get_test_subprocess([PYTHON_EXE, "-c", cmdline]) |
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983 p = psutil.Process(sproc.pid) |
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984 |
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985 for x in range(100): |
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986 filenames = [os.path.normcase(x.path) for x in p.open_files()] |
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987 if TESTFN in filenames: |
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988 break |
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989 time.sleep(.01) |
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990 else: |
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991 self.assertIn(os.path.normcase(TESTFN), filenames) |
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992 for file in filenames: |
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993 assert os.path.isfile(file), file |
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994 |
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995 # TODO: #595 |
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996 @unittest.skipIf(BSD, "broken on BSD") |
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997 # can't find any process file on Appveyor |
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998 @unittest.skipIf(APPVEYOR, "unreliable on APPVEYOR") |
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999 def test_open_files_2(self): |
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1000 # test fd and path fields |
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1001 normcase = os.path.normcase |
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1002 with open(TESTFN, 'w') as fileobj: |
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1003 p = psutil.Process() |
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1004 for file in p.open_files(): |
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1005 if normcase(file.path) == normcase(fileobj.name) or \ |
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1006 file.fd == fileobj.fileno(): |
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1007 break |
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1008 else: |
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1009 self.fail("no file found; files=%s" % repr(p.open_files())) |
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1010 self.assertEqual(normcase(file.path), normcase(fileobj.name)) |
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1011 if WINDOWS: |
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1012 self.assertEqual(file.fd, -1) |
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1013 else: |
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1014 self.assertEqual(file.fd, fileobj.fileno()) |
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1015 # test positions |
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1016 ntuple = p.open_files()[0] |
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1017 self.assertEqual(ntuple[0], ntuple.path) |
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1018 self.assertEqual(ntuple[1], ntuple.fd) |
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1019 # test file is gone |
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1020 self.assertNotIn(fileobj.name, p.open_files()) |
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1021 |
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1022 @unittest.skipIf(not POSIX, 'POSIX only') |
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1023 def test_num_fds(self): |
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1024 p = psutil.Process() |
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1025 start = p.num_fds() |
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1026 file = open(TESTFN, 'w') |
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1027 self.addCleanup(file.close) |
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1028 self.assertEqual(p.num_fds(), start + 1) |
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1029 sock = socket.socket() |
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1030 self.addCleanup(sock.close) |
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1031 self.assertEqual(p.num_fds(), start + 2) |
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1032 file.close() |
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1033 sock.close() |
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1034 self.assertEqual(p.num_fds(), start) |
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1035 |
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1036 @skip_on_not_implemented(only_if=LINUX) |
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1037 @unittest.skipIf(OPENBSD or NETBSD, "not reliable on OPENBSD & NETBSD") |
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1038 def test_num_ctx_switches(self): |
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1039 p = psutil.Process() |
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1040 before = sum(p.num_ctx_switches()) |
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1041 for x in range(500000): |
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1042 after = sum(p.num_ctx_switches()) |
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1043 if after > before: |
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1044 return |
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1045 self.fail("num ctx switches still the same after 50.000 iterations") |
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1046 |
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1047 def test_ppid(self): |
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1048 if hasattr(os, 'getppid'): |
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1049 self.assertEqual(psutil.Process().ppid(), os.getppid()) |
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1050 this_parent = os.getpid() |
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1051 sproc = get_test_subprocess() |
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1052 p = psutil.Process(sproc.pid) |
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1053 self.assertEqual(p.ppid(), this_parent) |
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1054 # no other process is supposed to have us as parent |
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1055 reap_children(recursive=True) |
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1056 if APPVEYOR: |
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1057 # Occasional failures, see: |
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1058 # https://ci.appveyor.com/project/giampaolo/psutil/build/ |
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1059 # job/0hs623nenj7w4m33 |
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1060 return |
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1061 for p in psutil.process_iter(): |
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1062 if p.pid == sproc.pid: |
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1063 continue |
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1064 # XXX: sometimes this fails on Windows; not sure why. |
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1065 self.assertNotEqual(p.ppid(), this_parent, msg=p) |
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1066 |
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1067 def test_parent(self): |
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1068 this_parent = os.getpid() |
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1069 sproc = get_test_subprocess() |
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1070 p = psutil.Process(sproc.pid) |
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1071 self.assertEqual(p.parent().pid, this_parent) |
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1072 |
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1073 lowest_pid = psutil.pids()[0] |
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1074 self.assertIsNone(psutil.Process(lowest_pid).parent()) |
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1075 |
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1076 def test_parent_multi(self): |
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1077 p1, p2 = create_proc_children_pair() |
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1078 self.assertEqual(p2.parent(), p1) |
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1079 self.assertEqual(p1.parent(), psutil.Process()) |
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1080 |
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1081 def test_parent_disappeared(self): |
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1082 # Emulate a case where the parent process disappeared. |
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1083 sproc = get_test_subprocess() |
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1084 p = psutil.Process(sproc.pid) |
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1085 with mock.patch("psutil.Process", |
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1086 side_effect=psutil.NoSuchProcess(0, 'foo')): |
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1087 self.assertIsNone(p.parent()) |
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1088 |
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1089 @retry_on_failure() |
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1090 def test_parents(self): |
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1091 assert psutil.Process().parents() |
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1092 p1, p2 = create_proc_children_pair() |
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1093 self.assertEqual(p1.parents()[0], psutil.Process()) |
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1094 self.assertEqual(p2.parents()[0], p1) |
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1095 self.assertEqual(p2.parents()[1], psutil.Process()) |
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1096 |
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1097 def test_children(self): |
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1098 reap_children(recursive=True) |
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1099 p = psutil.Process() |
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1100 self.assertEqual(p.children(), []) |
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1101 self.assertEqual(p.children(recursive=True), []) |
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1102 # On Windows we set the flag to 0 in order to cancel out the |
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1103 # CREATE_NO_WINDOW flag (enabled by default) which creates |
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1104 # an extra "conhost.exe" child. |
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1105 sproc = get_test_subprocess(creationflags=0) |
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1106 children1 = p.children() |
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1107 children2 = p.children(recursive=True) |
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1108 for children in (children1, children2): |
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1109 self.assertEqual(len(children), 1) |
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1110 self.assertEqual(children[0].pid, sproc.pid) |
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1111 self.assertEqual(children[0].ppid(), os.getpid()) |
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1112 |
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1113 def test_children_recursive(self): |
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1114 # Test children() against two sub processes, p1 and p2, where |
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1115 # p1 (our child) spawned p2 (our grandchild). |
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1116 p1, p2 = create_proc_children_pair() |
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1117 p = psutil.Process() |
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1118 self.assertEqual(p.children(), [p1]) |
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1119 self.assertEqual(p.children(recursive=True), [p1, p2]) |
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1120 # If the intermediate process is gone there's no way for |
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1121 # children() to recursively find it. |
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1122 p1.terminate() |
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1123 p1.wait() |
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1124 self.assertEqual(p.children(recursive=True), []) |
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1125 |
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1126 def test_children_duplicates(self): |
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1127 # find the process which has the highest number of children |
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1128 table = collections.defaultdict(int) |
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1129 for p in psutil.process_iter(): |
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1130 try: |
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1131 table[p.ppid()] += 1 |
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1132 except psutil.Error: |
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1133 pass |
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1134 # this is the one, now let's make sure there are no duplicates |
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1135 pid = sorted(table.items(), key=lambda x: x[1])[-1][0] |
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1136 p = psutil.Process(pid) |
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1137 try: |
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1138 c = p.children(recursive=True) |
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1139 except psutil.AccessDenied: # windows |
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1140 pass |
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1141 else: |
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1142 self.assertEqual(len(c), len(set(c))) |
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1143 |
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1144 def test_parents_and_children(self): |
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1145 p1, p2 = create_proc_children_pair() |
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1146 me = psutil.Process() |
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1147 # forward |
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1148 children = me.children(recursive=True) |
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1149 self.assertEqual(len(children), 2) |
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1150 self.assertEqual(children[0], p1) |
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1151 self.assertEqual(children[1], p2) |
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1152 # backward |
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1153 parents = p2.parents() |
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1154 self.assertEqual(parents[0], p1) |
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1155 self.assertEqual(parents[1], me) |
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1156 |
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1157 def test_suspend_resume(self): |
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1158 sproc = get_test_subprocess() |
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1159 p = psutil.Process(sproc.pid) |
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1160 p.suspend() |
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1161 for x in range(100): |
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1162 if p.status() == psutil.STATUS_STOPPED: |
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1163 break |
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1164 time.sleep(0.01) |
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1165 p.resume() |
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1166 self.assertNotEqual(p.status(), psutil.STATUS_STOPPED) |
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1167 |
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1168 def test_invalid_pid(self): |
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1169 self.assertRaises(TypeError, psutil.Process, "1") |
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1170 self.assertRaises(ValueError, psutil.Process, -1) |
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1171 |
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1172 def test_as_dict(self): |
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1173 p = psutil.Process() |
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1174 d = p.as_dict(attrs=['exe', 'name']) |
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1175 self.assertEqual(sorted(d.keys()), ['exe', 'name']) |
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1176 |
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1177 p = psutil.Process(min(psutil.pids())) |
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1178 d = p.as_dict(attrs=['connections'], ad_value='foo') |
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1179 if not isinstance(d['connections'], list): |
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1180 self.assertEqual(d['connections'], 'foo') |
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1181 |
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1182 # Test ad_value is set on AccessDenied. |
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1183 with mock.patch('psutil.Process.nice', create=True, |
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1184 side_effect=psutil.AccessDenied): |
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1185 self.assertEqual( |
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1186 p.as_dict(attrs=["nice"], ad_value=1), {"nice": 1}) |
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1187 |
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1188 # Test that NoSuchProcess bubbles up. |
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1189 with mock.patch('psutil.Process.nice', create=True, |
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1190 side_effect=psutil.NoSuchProcess(p.pid, "name")): |
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1191 self.assertRaises( |
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1192 psutil.NoSuchProcess, p.as_dict, attrs=["nice"]) |
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1193 |
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1194 # Test that ZombieProcess is swallowed. |
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1195 with mock.patch('psutil.Process.nice', create=True, |
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1196 side_effect=psutil.ZombieProcess(p.pid, "name")): |
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1197 self.assertEqual( |
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1198 p.as_dict(attrs=["nice"], ad_value="foo"), {"nice": "foo"}) |
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1199 |
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1200 # By default APIs raising NotImplementedError are |
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1201 # supposed to be skipped. |
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1202 with mock.patch('psutil.Process.nice', create=True, |
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1203 side_effect=NotImplementedError): |
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1204 d = p.as_dict() |
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1205 self.assertNotIn('nice', list(d.keys())) |
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1206 # ...unless the user explicitly asked for some attr. |
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1207 with self.assertRaises(NotImplementedError): |
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1208 p.as_dict(attrs=["nice"]) |
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1209 |
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1210 # errors |
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1211 with self.assertRaises(TypeError): |
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1212 p.as_dict('name') |
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1213 with self.assertRaises(ValueError): |
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1214 p.as_dict(['foo']) |
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1215 with self.assertRaises(ValueError): |
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1216 p.as_dict(['foo', 'bar']) |
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1217 |
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1218 def test_oneshot(self): |
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1219 with mock.patch("psutil._psplatform.Process.cpu_times") as m: |
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1220 p = psutil.Process() |
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1221 with p.oneshot(): |
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1222 p.cpu_times() |
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1223 p.cpu_times() |
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1224 self.assertEqual(m.call_count, 1) |
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1225 |
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1226 with mock.patch("psutil._psplatform.Process.cpu_times") as m: |
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1227 p.cpu_times() |
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1228 p.cpu_times() |
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1229 self.assertEqual(m.call_count, 2) |
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1230 |
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1231 def test_oneshot_twice(self): |
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1232 # Test the case where the ctx manager is __enter__ed twice. |
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1233 # The second __enter__ is supposed to resut in a NOOP. |
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1234 with mock.patch("psutil._psplatform.Process.cpu_times") as m1: |
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1235 with mock.patch("psutil._psplatform.Process.oneshot_enter") as m2: |
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1236 p = psutil.Process() |
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1237 with p.oneshot(): |
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1238 p.cpu_times() |
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1239 p.cpu_times() |
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1240 with p.oneshot(): |
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1241 p.cpu_times() |
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1242 p.cpu_times() |
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1243 self.assertEqual(m1.call_count, 1) |
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1244 self.assertEqual(m2.call_count, 1) |
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1245 |
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1246 with mock.patch("psutil._psplatform.Process.cpu_times") as m: |
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1247 p.cpu_times() |
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1248 p.cpu_times() |
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1249 self.assertEqual(m.call_count, 2) |
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1250 |
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1251 def test_oneshot_cache(self): |
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1252 # Make sure oneshot() cache is nonglobal. Instead it's |
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1253 # supposed to be bound to the Process instance, see: |
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1254 # https://github.com/giampaolo/psutil/issues/1373 |
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1255 p1, p2 = create_proc_children_pair() |
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1256 p1_ppid = p1.ppid() |
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1257 p2_ppid = p2.ppid() |
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1258 self.assertNotEqual(p1_ppid, p2_ppid) |
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1259 with p1.oneshot(): |
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1260 self.assertEqual(p1.ppid(), p1_ppid) |
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1261 self.assertEqual(p2.ppid(), p2_ppid) |
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1262 with p2.oneshot(): |
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1263 self.assertEqual(p1.ppid(), p1_ppid) |
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1264 self.assertEqual(p2.ppid(), p2_ppid) |
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1265 |
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1266 def test_halfway_terminated_process(self): |
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1267 # Test that NoSuchProcess exception gets raised in case the |
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1268 # process dies after we create the Process object. |
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1269 # Example: |
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1270 # >>> proc = Process(1234) |
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1271 # >>> time.sleep(2) # time-consuming task, process dies in meantime |
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1272 # >>> proc.name() |
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1273 # Refers to Issue #15 |
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1274 sproc = get_test_subprocess() |
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1275 p = psutil.Process(sproc.pid) |
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1276 p.terminate() |
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1277 p.wait() |
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1278 if WINDOWS: |
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1279 call_until(psutil.pids, "%s not in ret" % p.pid) |
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1280 assert not p.is_running() |
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1281 |
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1282 if WINDOWS: |
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1283 with self.assertRaises(psutil.NoSuchProcess): |
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1284 p.send_signal(signal.CTRL_C_EVENT) |
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1285 with self.assertRaises(psutil.NoSuchProcess): |
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1286 p.send_signal(signal.CTRL_BREAK_EVENT) |
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1287 |
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1288 excluded_names = ['pid', 'is_running', 'wait', 'create_time', |
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1289 'oneshot', 'memory_info_ex'] |
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1290 if LINUX and not HAS_RLIMIT: |
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1291 excluded_names.append('rlimit') |
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1292 for name in dir(p): |
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1293 if (name.startswith('_') or |
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1294 name in excluded_names): |
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1295 continue |
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1296 try: |
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1297 meth = getattr(p, name) |
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1298 # get/set methods |
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1299 if name == 'nice': |
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1300 if POSIX: |
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1301 ret = meth(1) |
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1302 else: |
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1303 ret = meth(psutil.NORMAL_PRIORITY_CLASS) |
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1304 elif name == 'ionice': |
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1305 ret = meth() |
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1306 ret = meth(2) |
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1307 elif name == 'rlimit': |
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1308 ret = meth(psutil.RLIMIT_NOFILE) |
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1309 ret = meth(psutil.RLIMIT_NOFILE, (5, 5)) |
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1310 elif name == 'cpu_affinity': |
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1311 ret = meth() |
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1312 ret = meth([0]) |
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1313 elif name == 'send_signal': |
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1314 ret = meth(signal.SIGTERM) |
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1315 else: |
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1316 ret = meth() |
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1317 except psutil.ZombieProcess: |
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1318 self.fail("ZombieProcess for %r was not supposed to happen" % |
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1319 name) |
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1320 except psutil.NoSuchProcess: |
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1321 pass |
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1322 except psutil.AccessDenied: |
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1323 if OPENBSD and name in ('threads', 'num_threads'): |
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1324 pass |
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1325 else: |
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1326 raise |
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1327 except NotImplementedError: |
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1328 pass |
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1329 else: |
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1330 # NtQuerySystemInformation succeeds if process is gone. |
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1331 if WINDOWS and name in ('exe', 'name'): |
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1332 normcase = os.path.normcase |
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1333 if name == 'exe': |
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1334 self.assertEqual(normcase(ret), normcase(PYTHON_EXE)) |
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1335 else: |
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1336 self.assertEqual( |
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1337 normcase(ret), |
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1338 normcase(os.path.basename(PYTHON_EXE))) |
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1339 continue |
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1340 self.fail( |
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1341 "NoSuchProcess exception not raised for %r, retval=%s" % ( |
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1342 name, ret)) |
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1343 |
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1344 @unittest.skipIf(not POSIX, 'POSIX only') |
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1345 def test_zombie_process(self): |
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1346 def succeed_or_zombie_p_exc(fun, *args, **kwargs): |
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1347 try: |
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1348 return fun(*args, **kwargs) |
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1349 except (psutil.ZombieProcess, psutil.AccessDenied): |
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1350 pass |
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1351 |
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1352 zpid = create_zombie_proc() |
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1353 self.addCleanup(reap_children, recursive=True) |
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1354 # A zombie process should always be instantiable |
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1355 zproc = psutil.Process(zpid) |
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1356 # ...and at least its status always be querable |
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1357 self.assertEqual(zproc.status(), psutil.STATUS_ZOMBIE) |
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1358 # ...and it should be considered 'running' |
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1359 self.assertTrue(zproc.is_running()) |
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1360 # ...and as_dict() shouldn't crash |
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1361 zproc.as_dict() |
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1362 # if cmdline succeeds it should be an empty list |
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1363 ret = succeed_or_zombie_p_exc(zproc.suspend) |
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1364 if ret is not None: |
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1365 self.assertEqual(ret, []) |
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1366 |
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1367 if hasattr(zproc, "rlimit"): |
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1368 succeed_or_zombie_p_exc(zproc.rlimit, psutil.RLIMIT_NOFILE) |
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1369 succeed_or_zombie_p_exc(zproc.rlimit, psutil.RLIMIT_NOFILE, |
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1370 (5, 5)) |
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1371 # set methods |
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1372 succeed_or_zombie_p_exc(zproc.parent) |
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1373 if hasattr(zproc, 'cpu_affinity'): |
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1374 try: |
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1375 succeed_or_zombie_p_exc(zproc.cpu_affinity, [0]) |
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1376 except ValueError as err: |
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1377 if TRAVIS and LINUX and "not eligible" in str(err): |
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1378 # https://travis-ci.org/giampaolo/psutil/jobs/279890461 |
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1379 pass |
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1380 else: |
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1381 raise |
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1382 |
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1383 succeed_or_zombie_p_exc(zproc.nice, 0) |
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1384 if hasattr(zproc, 'ionice'): |
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1385 if LINUX: |
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1386 succeed_or_zombie_p_exc(zproc.ionice, 2, 0) |
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1387 else: |
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1388 succeed_or_zombie_p_exc(zproc.ionice, 0) # Windows |
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1389 if hasattr(zproc, 'rlimit'): |
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1390 succeed_or_zombie_p_exc(zproc.rlimit, |
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1391 psutil.RLIMIT_NOFILE, (5, 5)) |
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1392 succeed_or_zombie_p_exc(zproc.suspend) |
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1393 succeed_or_zombie_p_exc(zproc.resume) |
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1394 succeed_or_zombie_p_exc(zproc.terminate) |
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1395 succeed_or_zombie_p_exc(zproc.kill) |
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1396 |
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1397 # ...its parent should 'see' it |
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1398 # edit: not true on BSD and MACOS |
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1399 # descendants = [x.pid for x in psutil.Process().children( |
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1400 # recursive=True)] |
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1401 # self.assertIn(zpid, descendants) |
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1402 # XXX should we also assume ppid be usable? Note: this |
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1403 # would be an important use case as the only way to get |
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1404 # rid of a zombie is to kill its parent. |
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1405 # self.assertEqual(zpid.ppid(), os.getpid()) |
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1406 # ...and all other APIs should be able to deal with it |
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1407 self.assertTrue(psutil.pid_exists(zpid)) |
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1408 if not TRAVIS and MACOS: |
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1409 # For some reason this started failing all of the sudden. |
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1410 # Maybe they upgraded MACOS version? |
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1411 # https://travis-ci.org/giampaolo/psutil/jobs/310896404 |
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1412 self.assertIn(zpid, psutil.pids()) |
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1413 self.assertIn(zpid, [x.pid for x in psutil.process_iter()]) |
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1414 psutil._pmap = {} |
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1415 self.assertIn(zpid, [x.pid for x in psutil.process_iter()]) |
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1416 |
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1417 @unittest.skipIf(not POSIX, 'POSIX only') |
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1418 def test_zombie_process_is_running_w_exc(self): |
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1419 # Emulate a case where internally is_running() raises |
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1420 # ZombieProcess. |
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1421 p = psutil.Process() |
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1422 with mock.patch("psutil.Process", |
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1423 side_effect=psutil.ZombieProcess(0)) as m: |
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1424 assert p.is_running() |
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1425 assert m.called |
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1426 |
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1427 @unittest.skipIf(not POSIX, 'POSIX only') |
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1428 def test_zombie_process_status_w_exc(self): |
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1429 # Emulate a case where internally status() raises |
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1430 # ZombieProcess. |
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1431 p = psutil.Process() |
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1432 with mock.patch("psutil._psplatform.Process.status", |
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1433 side_effect=psutil.ZombieProcess(0)) as m: |
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1434 self.assertEqual(p.status(), psutil.STATUS_ZOMBIE) |
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1435 assert m.called |
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1436 |
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1437 def test_pid_0(self): |
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1438 # Process(0) is supposed to work on all platforms except Linux |
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1439 if 0 not in psutil.pids(): |
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1440 self.assertRaises(psutil.NoSuchProcess, psutil.Process, 0) |
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1441 return |
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1442 |
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1443 # test all methods |
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1444 p = psutil.Process(0) |
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parents:
diff
changeset
|
1445 for name in psutil._as_dict_attrnames: |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff
changeset
|
1446 if name == 'pid': |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
1447 continue |
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parents:
diff
changeset
|
1448 meth = getattr(p, name) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff
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|
1449 try: |
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parents:
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|
1450 ret = meth() |
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parents:
diff
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|
1451 except psutil.AccessDenied: |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
1452 pass |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
diff
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|
1453 else: |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
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|
1454 if name in ("uids", "gids"): |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
1455 self.assertEqual(ret.real, 0) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
1456 elif name == "username": |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
1457 if POSIX: |
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parents:
diff
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|
1458 self.assertEqual(p.username(), 'root') |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
1459 elif WINDOWS: |
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parents:
diff
changeset
|
1460 self.assertEqual(p.username(), 'NT AUTHORITY\\SYSTEM') |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
1461 elif name == "name": |
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parents:
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changeset
|
1462 assert name, name |
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shellac
parents:
diff
changeset
|
1463 |
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parents:
diff
changeset
|
1464 if hasattr(p, 'rlimit'): |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
1465 try: |
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shellac
parents:
diff
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|
1466 p.rlimit(psutil.RLIMIT_FSIZE) |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
1467 except psutil.AccessDenied: |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
1468 pass |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
diff
changeset
|
1469 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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changeset
|
1470 p.as_dict() |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
1471 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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changeset
|
1472 if not OPENBSD: |
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parents:
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|
1473 self.assertIn(0, psutil.pids()) |
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parents:
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|
1474 self.assertTrue(psutil.pid_exists(0)) |
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parents:
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|
1475 |
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parents:
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|
1476 @unittest.skipIf(not HAS_ENVIRON, "not supported") |
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parents:
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|
1477 def test_environ(self): |
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parents:
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|
1478 def clean_dict(d): |
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parents:
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|
1479 # Most of these are problematic on Travis. |
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parents:
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|
1480 d.pop("PSUTIL_TESTING", None) |
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parents:
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|
1481 d.pop("PLAT", None) |
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parents:
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|
1482 d.pop("HOME", None) |
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parents:
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|
1483 if MACOS: |
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shellac
parents:
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|
1484 d.pop("__CF_USER_TEXT_ENCODING", None) |
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parents:
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|
1485 d.pop("VERSIONER_PYTHON_PREFER_32_BIT", None) |
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parents:
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|
1486 d.pop("VERSIONER_PYTHON_VERSION", None) |
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parents:
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|
1487 return dict( |
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parents:
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|
1488 [(k.replace("\r", "").replace("\n", ""), |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
shellac
parents:
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|
1489 v.replace("\r", "").replace("\n", "")) |
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parents:
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|
1490 for k, v in d.items()]) |
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parents:
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|
1491 |
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parents:
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|
1492 self.maxDiff = None |
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parents:
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|
1493 p = psutil.Process() |
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parents:
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|
1494 d1 = clean_dict(p.environ()) |
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|
1495 d2 = clean_dict(os.environ.copy()) |
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|
1496 self.assertEqual(d1, d2) |
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parents:
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|
1497 |
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parents:
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|
1498 @unittest.skipIf(not HAS_ENVIRON, "not supported") |
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|
1499 @unittest.skipIf(not POSIX, "POSIX only") |
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|
1500 def test_weird_environ(self): |
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|
1501 # environment variables can contain values without an equals sign |
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|
1502 code = textwrap.dedent(""" |
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|
1503 #include <unistd.h> |
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|
1504 #include <fcntl.h> |
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1505 char * const argv[] = {"cat", 0}; |
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|
1506 char * const envp[] = {"A=1", "X", "C=3", 0}; |
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|
1507 int main(void) { |
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|
1508 /* Close stderr on exec so parent can wait for the execve to |
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1509 * finish. */ |
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|
1510 if (fcntl(2, F_SETFD, FD_CLOEXEC) != 0) |
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|
1511 return 0; |
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parents:
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|
1512 return execve("/bin/cat", argv, envp); |
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|
1513 } |
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|
1514 """) |
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|
1515 path = TESTFN |
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|
1516 create_exe(path, c_code=code) |
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parents:
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|
1517 self.addCleanup(safe_rmpath, path) |
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|
1518 sproc = get_test_subprocess([path], |
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|
1519 stdin=subprocess.PIPE, |
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|
1520 stderr=subprocess.PIPE) |
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|
1521 p = psutil.Process(sproc.pid) |
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parents:
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|
1522 wait_for_pid(p.pid) |
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|
1523 self.assertTrue(p.is_running()) |
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|
1524 # Wait for process to exec or exit. |
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|
1525 self.assertEqual(sproc.stderr.read(), b"") |
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|
1526 self.assertEqual(p.environ(), {"A": "1", "C": "3"}) |
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|
1527 sproc.communicate() |
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|
1528 self.assertEqual(sproc.returncode, 0) |
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parents:
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|
1529 |
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parents:
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|
1530 |
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parents:
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|
1531 # =================================================================== |
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parents:
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|
1532 # --- Limited user tests |
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parents:
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|
1533 # =================================================================== |
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parents:
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|
1534 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
1535 |
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parents:
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|
1536 if POSIX and os.getuid() == 0: |
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parents:
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|
1537 class LimitedUserTestCase(TestProcess): |
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parents:
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|
1538 """Repeat the previous tests by using a limited user. |
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|
1539 Executed only on UNIX and only if the user who run the test script |
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|
1540 is root. |
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parents:
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|
1541 """ |
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parents:
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|
1542 # the uid/gid the test suite runs under |
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parents:
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|
1543 if hasattr(os, 'getuid'): |
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parents:
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|
1544 PROCESS_UID = os.getuid() |
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parents:
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|
1545 PROCESS_GID = os.getgid() |
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parents:
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|
1546 |
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parents:
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|
1547 def __init__(self, *args, **kwargs): |
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|
1548 TestProcess.__init__(self, *args, **kwargs) |
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parents:
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|
1549 # re-define all existent test methods in order to |
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parents:
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1550 # ignore AccessDenied exceptions |
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parents:
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|
1551 for attr in [x for x in dir(self) if x.startswith('test')]: |
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|
1552 meth = getattr(self, attr) |
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parents:
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|
1553 |
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"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
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parents:
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|
1554 def test_(self): |
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|
1555 try: |
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parents:
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|
1556 meth() |
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|
1557 except psutil.AccessDenied: |
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1558 pass |
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1559 setattr(self, attr, types.MethodType(test_, self)) |
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1560 |
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1561 def setUp(self): |
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1562 safe_rmpath(TESTFN) |
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1563 TestProcess.setUp(self) |
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1564 os.setegid(1000) |
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1565 os.seteuid(1000) |
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1566 |
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1567 def tearDown(self): |
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1568 os.setegid(self.PROCESS_UID) |
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1569 os.seteuid(self.PROCESS_GID) |
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1570 TestProcess.tearDown(self) |
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1571 |
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1572 def test_nice(self): |
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1573 try: |
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1574 psutil.Process().nice(-1) |
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1575 except psutil.AccessDenied: |
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1576 pass |
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1577 else: |
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1578 self.fail("exception not raised") |
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1579 |
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1580 def test_zombie_process(self): |
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1581 # causes problems if test test suite is run as root |
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1582 pass |
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1583 |
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1584 |
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1585 # =================================================================== |
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1586 # --- psutil.Popen tests |
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1587 # =================================================================== |
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1588 |
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1589 |
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1590 class TestPopen(unittest.TestCase): |
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1591 """Tests for psutil.Popen class.""" |
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1592 |
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1593 def tearDown(self): |
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1594 reap_children() |
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1595 |
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1596 def test_misc(self): |
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1597 # XXX this test causes a ResourceWarning on Python 3 because |
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1598 # psutil.__subproc instance doesn't get propertly freed. |
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1599 # Not sure what to do though. |
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1600 cmd = [PYTHON_EXE, "-c", "import time; time.sleep(60);"] |
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1601 with psutil.Popen(cmd, stdout=subprocess.PIPE, |
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1602 stderr=subprocess.PIPE) as proc: |
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1603 proc.name() |
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1604 proc.cpu_times() |
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1605 proc.stdin |
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1606 self.assertTrue(dir(proc)) |
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1607 self.assertRaises(AttributeError, getattr, proc, 'foo') |
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1608 proc.terminate() |
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1609 |
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1610 def test_ctx_manager(self): |
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1611 with psutil.Popen([PYTHON_EXE, "-V"], |
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1612 stdout=subprocess.PIPE, |
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1613 stderr=subprocess.PIPE, |
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1614 stdin=subprocess.PIPE) as proc: |
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1615 proc.communicate() |
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1616 assert proc.stdout.closed |
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1617 assert proc.stderr.closed |
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1618 assert proc.stdin.closed |
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1619 self.assertEqual(proc.returncode, 0) |
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1620 |
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1621 def test_kill_terminate(self): |
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1622 # subprocess.Popen()'s terminate(), kill() and send_signal() do |
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1623 # not raise exception after the process is gone. psutil.Popen |
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1624 # diverges from that. |
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1625 cmd = [PYTHON_EXE, "-c", "import time; time.sleep(60);"] |
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1626 with psutil.Popen(cmd, stdout=subprocess.PIPE, |
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1627 stderr=subprocess.PIPE) as proc: |
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1628 proc.terminate() |
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1629 proc.wait() |
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1630 self.assertRaises(psutil.NoSuchProcess, proc.terminate) |
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1631 self.assertRaises(psutil.NoSuchProcess, proc.kill) |
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1632 self.assertRaises(psutil.NoSuchProcess, proc.send_signal, |
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1633 signal.SIGTERM) |
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1634 if WINDOWS and sys.version_info >= (2, 7): |
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1635 self.assertRaises(psutil.NoSuchProcess, proc.send_signal, |
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1636 signal.CTRL_C_EVENT) |
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1637 self.assertRaises(psutil.NoSuchProcess, proc.send_signal, |
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1638 signal.CTRL_BREAK_EVENT) |
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1639 |
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1640 |
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1641 if __name__ == '__main__': |
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1642 from psutil.tests.runner import run |
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1643 run(__file__) |