Mercurial > cpython-lru_cache-weakref

annotate Lib/distutils/tests/test_build_scripts.py @ 87690:66c1c9f32567 default tip

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Add use_weakref option to functools.lru_cache The use_weakref option makes lru_cache create weak references to the function arguments when creating the cache key, which prevents them from staying in the memory forever even after all other references to them are gone. This is a proof of concept for http://bugs.python.org/issue19859
author Radomir Dopieralski <devel@sheep.art.pl>
date Tue, 03 Dec 2013 16:02:48 +0100
parents 5a0236f3f972
children
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1 """Tests for distutils.command.build_scripts."""
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2
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3 import os
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4 import unittest
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5
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6 from distutils.command.build_scripts import build_scripts
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7 from distutils.core import Distribution
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8 from distutils import sysconfig
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9
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10 from distutils.tests import support
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11 from test.support import run_unittest
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12
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13
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14 class BuildScriptsTestCase(support.TempdirManager,
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15 support.LoggingSilencer,
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16 unittest.TestCase):
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17
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18 def test_default_settings(self):
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19 cmd = self.get_build_scripts_cmd("/foo/bar", [])
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20 self.assertFalse(cmd.force)
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21 self.assertIsNone(cmd.build_dir)
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22
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23 cmd.finalize_options()
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24
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25 self.assertTrue(cmd.force)
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26 self.assertEqual(cmd.build_dir, "/foo/bar")
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27
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28 def test_build(self):
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29 source = self.mkdtemp()
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30 target = self.mkdtemp()
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31 expected = self.write_sample_scripts(source)
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32
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33 cmd = self.get_build_scripts_cmd(target,
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34 [os.path.join(source, fn)
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35 for fn in expected])
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36 cmd.finalize_options()
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37 cmd.run()
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38
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39 built = os.listdir(target)
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40 for name in expected:
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41 self.assertIn(name, built)
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42
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43 def get_build_scripts_cmd(self, target, scripts):
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44 import sys
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45 dist = Distribution()
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46 dist.scripts = scripts
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47 dist.command_obj["build"] = support.DummyCommand(
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48 build_scripts=target,
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49 force=1,
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50 executable=sys.executable
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51 )
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52 return build_scripts(dist)
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53
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54 def write_sample_scripts(self, dir):
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55 expected = []
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56 expected.append("script1.py")
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57 self.write_script(dir, "script1.py",
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58 ("#! /usr/bin/env python2.3\n"
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59 "# bogus script w/ Python sh-bang\n"
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60 "pass\n"))
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61 expected.append("script2.py")
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62 self.write_script(dir, "script2.py",
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63 ("#!/usr/bin/python\n"
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64 "# bogus script w/ Python sh-bang\n"
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65 "pass\n"))
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66 expected.append("shell.sh")
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67 self.write_script(dir, "shell.sh",
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68 ("#!/bin/sh\n"
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69 "# bogus shell script w/ sh-bang\n"
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70 "exit 0\n"))
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71 return expected
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72
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73 def write_script(self, dir, name, text):
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74 f = open(os.path.join(dir, name), "w")
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75 try:
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76 f.write(text)
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77 finally:
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78 f.close()
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79
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80 def test_version_int(self):
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81 source = self.mkdtemp()
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82 target = self.mkdtemp()
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83 expected = self.write_sample_scripts(source)
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84
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85
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86 cmd = self.get_build_scripts_cmd(target,
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87 [os.path.join(source, fn)
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88 for fn in expected])
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89 cmd.finalize_options()
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90
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91 # http://bugs.python.org/issue4524
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92 #
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93 # On linux-g++-32 with command line `./configure --enable-ipv6
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94 # --with-suffix=3`, python is compiled okay but the build scripts
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95 # failed when writing the name of the executable
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96 old = sysconfig.get_config_vars().get('VERSION')
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97 sysconfig._config_vars['VERSION'] = 4
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98 try:
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99 cmd.run()
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100 finally:
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101 if old is not None:
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102 sysconfig._config_vars['VERSION'] = old
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103
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104 built = os.listdir(target)
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105 for name in expected:
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106 self.assertIn(name, built)
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107
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108 def test_suite():
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109 return unittest.makeSuite(BuildScriptsTestCase)
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110
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111 if __name__ == "__main__":
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112 run_unittest(test_suite())