cpython/Lib/test/test_sysconfig.py

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"""Tests for 'site'.
Tests assume the initial paths in sys.path once the interpreter has begun
executing have not been removed.
"""
import unittest
import sys
import os
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import shutil
import subprocess
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from copy import copy, deepcopy
from test.test_support import run_unittest, TESTFN, unlink, get_attribute
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import sysconfig
from sysconfig import (get_paths, get_platform, get_config_vars,
get_path, get_path_names, _INSTALL_SCHEMES,
_get_default_scheme, _expand_vars,
get_scheme_names)
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class TestSysConfig(unittest.TestCase):
def setUp(self):
"""Make a copy of sys.path"""
super(TestSysConfig, self).setUp()
self.sys_path = sys.path[:]
self.makefile = None
# patching os.uname
if hasattr(os, 'uname'):
self.uname = os.uname
self._uname = os.uname()
else:
self.uname = None
self._uname = None
os.uname = self._get_uname
# saving the environment
self.name = os.name
self.platform = sys.platform
self.version = sys.version
self.sep = os.sep
self.join = os.path.join
self.isabs = os.path.isabs
self.splitdrive = os.path.splitdrive
self._config_vars = copy(sysconfig._CONFIG_VARS)
self.old_environ = deepcopy(os.environ)
def tearDown(self):
"""Restore sys.path"""
sys.path[:] = self.sys_path
if self.makefile is not None:
os.unlink(self.makefile)
self._cleanup_testfn()
if self.uname is not None:
os.uname = self.uname
else:
del os.uname
os.name = self.name
sys.platform = self.platform
sys.version = self.version
os.sep = self.sep
os.path.join = self.join
os.path.isabs = self.isabs
os.path.splitdrive = self.splitdrive
sysconfig._CONFIG_VARS = copy(self._config_vars)
for key, value in self.old_environ.items():
if os.environ.get(key) != value:
os.environ[key] = value
for key in os.environ.keys():
if key not in self.old_environ:
del os.environ[key]
super(TestSysConfig, self).tearDown()
def _set_uname(self, uname):
self._uname = uname
def _get_uname(self):
return self._uname
def _cleanup_testfn(self):
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path = TESTFN
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if os.path.isfile(path):
os.remove(path)
elif os.path.isdir(path):
shutil.rmtree(path)
def test_get_path_names(self):
self.assertEquals(get_path_names(), sysconfig._SCHEME_KEYS)
def test_get_paths(self):
scheme = get_paths()
default_scheme = _get_default_scheme()
wanted = _expand_vars(default_scheme, None)
wanted = wanted.items()
wanted.sort()
scheme = scheme.items()
scheme.sort()
self.assertEquals(scheme, wanted)
def test_get_path(self):
# xxx make real tests here
for scheme in _INSTALL_SCHEMES:
for name in _INSTALL_SCHEMES[scheme]:
res = get_path(name, scheme)
def test_get_config_vars(self):
cvars = get_config_vars()
self.assertIsInstance(cvars, dict)
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self.assertTrue(cvars)
def test_get_platform(self):
# windows XP, 32bits
os.name = 'nt'
sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
'[MSC v.1310 32 bit (Intel)]')
sys.platform = 'win32'
self.assertEquals(get_platform(), 'win32')
# windows XP, amd64
os.name = 'nt'
sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
'[MSC v.1310 32 bit (Amd64)]')
sys.platform = 'win32'
self.assertEquals(get_platform(), 'win-amd64')
# windows XP, itanium
os.name = 'nt'
sys.version = ('2.4.4 (#71, Oct 18 2006, 08:34:43) '
'[MSC v.1310 32 bit (Itanium)]')
sys.platform = 'win32'
self.assertEquals(get_platform(), 'win-ia64')
# macbook
os.name = 'posix'
sys.version = ('2.5 (r25:51918, Sep 19 2006, 08:49:13) '
'\n[GCC 4.0.1 (Apple Computer, Inc. build 5341)]')
sys.platform = 'darwin'
self._set_uname(('Darwin', 'macziade', '8.11.1',
('Darwin Kernel Version 8.11.1: '
'Wed Oct 10 18:23:28 PDT 2007; '
'root:xnu-792.25.20~1/RELEASE_I386'), 'PowerPC'))
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
'-fwrapv -O3 -Wall -Wstrict-prototypes')
maxint = sys.maxint
try:
sys.maxint = 2147483647
self.assertEquals(get_platform(), 'macosx-10.3-ppc')
sys.maxint = 9223372036854775807
self.assertEquals(get_platform(), 'macosx-10.3-ppc64')
finally:
sys.maxint = maxint
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self._set_uname(('Darwin', 'macziade', '8.11.1',
('Darwin Kernel Version 8.11.1: '
'Wed Oct 10 18:23:28 PDT 2007; '
'root:xnu-792.25.20~1/RELEASE_I386'), 'i386'))
get_config_vars()['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.3'
get_config_vars()['CFLAGS'] = ('-fno-strict-aliasing -DNDEBUG -g '
'-fwrapv -O3 -Wall -Wstrict-prototypes')
maxint = sys.maxint
try:
sys.maxint = 2147483647
self.assertEquals(get_platform(), 'macosx-10.3-i386')
sys.maxint = 9223372036854775807
self.assertEquals(get_platform(), 'macosx-10.3-x86_64')
finally:
sys.maxint = maxint
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# macbook with fat binaries (fat, universal or fat64)
os.environ['MACOSX_DEPLOYMENT_TARGET'] = '10.4'
get_config_vars()['CFLAGS'] = ('-arch ppc -arch i386 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-fat')
get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch i386 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-intel')
get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc -arch i386 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-fat3')
get_config_vars()['CFLAGS'] = ('-arch ppc64 -arch x86_64 -arch ppc -arch i386 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-universal')
get_config_vars()['CFLAGS'] = ('-arch x86_64 -arch ppc64 -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3')
self.assertEquals(get_platform(), 'macosx-10.4-fat64')
for arch in ('ppc', 'i386', 'x86_64', 'ppc64'):
get_config_vars()['CFLAGS'] = ('-arch %s -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3'%(arch,))
self.assertEquals(get_platform(), 'macosx-10.4-%s'%(arch,))
# linux debian sarge
os.name = 'posix'
sys.version = ('2.3.5 (#1, Jul 4 2007, 17:28:59) '
'\n[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)]')
sys.platform = 'linux2'
self._set_uname(('Linux', 'aglae', '2.6.21.1dedibox-r7',
'#1 Mon Apr 30 17:25:38 CEST 2007', 'i686'))
self.assertEquals(get_platform(), 'linux-i686')
# XXX more platforms to tests here
def test_get_config_h_filename(self):
config_h = sysconfig.get_config_h_filename()
self.assertTrue(os.path.isfile(config_h), config_h)
def test_get_scheme_names(self):
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wanted = ('nt', 'nt_user', 'os2', 'os2_home', 'osx_framework_user',
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'posix_home', 'posix_prefix', 'posix_user')
self.assertEquals(get_scheme_names(), wanted)
def test_symlink(self):
# Issue 7880
symlink = get_attribute(os, "symlink")
def get(python):
cmd = [python, '-c',
'import sysconfig; print sysconfig.get_platform()']
p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
return p.communicate()
real = os.path.realpath(sys.executable)
link = os.path.abspath(TESTFN)
symlink(real, link)
try:
self.assertEqual(get(real), get(link))
finally:
unlink(link)
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def test_main():
run_unittest(TestSysConfig)
if __name__ == "__main__":
test_main()