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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
import subprocess
import shutil
from copy import copy, deepcopy
from test.support import (run_unittest, TESTFN, unlink, get_attribute,
captured_stdout, skip_unless_symlink)
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, get_config_var, _main)
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 list(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):
path = TESTFN
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 = list(wanted.items())
wanted.sort()
scheme = list(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.assertTrue(isinstance(cvars, dict))
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.maxsize
try:
sys.maxsize = 2147483647
self.assertEquals(get_platform(), 'macosx-10.3-ppc')
sys.maxsize = 9223372036854775807
self.assertEquals(get_platform(), 'macosx-10.3-ppc64')
finally:
sys.maxsize = maxint
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.maxsize
try:
sys.maxsize = 2147483647
self.assertEquals(get_platform(), 'macosx-10.3-i386')
sys.maxsize = 9223372036854775807
self.assertEquals(get_platform(), 'macosx-10.3-x86_64')
finally:
sys.maxsize = maxint
# 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)
@unittest.skipIf(sys.platform.startswith('win'),
'Test is not Windows compatible')
def test_get_makefile_filename(self):
makefile = sysconfig.get_makefile_filename()
self.assertTrue(os.path.isfile(makefile), makefile)
def test_get_scheme_names(self):
wanted = ('nt', 'nt_user', 'os2', 'os2_home', 'osx_framework_user',
'posix_home', 'posix_prefix', 'posix_user')
self.assertEquals(get_scheme_names(), wanted)
@skip_unless_symlink
def test_symlink(self):
# On Windows, the EXE needs to know where pythonXY.dll is at so we have
# to add the directory to the path.
if sys.platform == "win32":
os.environ["Path"] = "{};{}".format(
os.path.dirname(sys.executable), os.environ["Path"])
# Issue 7880
def get(python):
cmd = [python, '-c',
'import sysconfig; print(sysconfig.get_platform())']
p = subprocess.Popen(cmd, stdout=subprocess.PIPE, env=os.environ)
return p.communicate()
real = os.path.realpath(sys.executable)
link = os.path.abspath(TESTFN)
os.symlink(real, link)
try:
self.assertEqual(get(real), get(link))
finally:
unlink(link)
def test_user_similar(self):
# Issue 8759 : make sure the posix scheme for the users
# is similar to the global posix_prefix one
base = get_config_var('base')
user = get_config_var('userbase')
for name in ('stdlib', 'platstdlib', 'purelib', 'platlib'):
global_path = get_path(name, 'posix_prefix')
user_path = get_path(name, 'posix_user')
self.assertEquals(user_path, global_path.replace(base, user))
def test_main(self):
# just making sure _main() runs and returns things in the stdout
with captured_stdout() as output:
_main()
self.assertTrue(len(output.getvalue().split('\n')) > 0)
@unittest.skipIf(sys.platform == "win32", "Does not apply to Windows")
def test_ldshared_value(self):
ldflags = sysconfig.get_config_var('LDFLAGS')
ldshared = sysconfig.get_config_var('LDSHARED')
self.assertIn(ldflags, ldshared)
def test_main():
run_unittest(TestSysConfig)
if __name__ == "__main__":
test_main()
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