import unittest
import sys
import os
import subprocess
import shutil
from copy import copy
from test.support import (import_module, TESTFN, unlink, check_warnings,
captured_stdout, skip_unless_symlink, change_cwd)
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)
import _osx_support
class TestSysConfig(unittest.TestCase):
def setUp(self):
super(TestSysConfig, self).setUp()
self.sys_path = sys.path[:]
# patching os.uname
if hasattr(os, 'uname'):
self.uname = os.uname
self._uname = os.uname()
else:
self.uname = None
self._set_uname(('',)*5)
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 = sysconfig._CONFIG_VARS, copy(sysconfig._CONFIG_VARS)
self._added_envvars = []
self._changed_envvars = []
for var in ('MACOSX_DEPLOYMENT_TARGET', 'PATH'):
if var in os.environ:
self._changed_envvars.append((var, os.environ[var]))
else:
self._added_envvars.append(var)
def tearDown(self):
sys.path[:] = self.sys_path
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 = self._config_vars[0]
sysconfig._CONFIG_VARS.clear()
sysconfig._CONFIG_VARS.update(self._config_vars[1])
for var, value in self._changed_envvars:
os.environ[var] = value
for var in self._added_envvars:
os.environ.pop(var, None)
super(TestSysConfig, self).tearDown()
def _set_uname(self, uname):
self._uname = os.uname_result(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.assertEqual(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 = sorted(wanted.items())
scheme = sorted(scheme.items())
self.assertEqual(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)
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.assertEqual(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.assertEqual(get_platform(), 'win-amd64')
# 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'))
_osx_support._remove_original_values(get_config_vars())
get_config_vars()['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.assertEqual(get_platform(), 'macosx-10.3-ppc')
sys.maxsize = 9223372036854775807
self.assertEqual(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'))
_osx_support._remove_original_values(get_config_vars())
get_config_vars()['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.assertEqual(get_platform(), 'macosx-10.3-i386')
sys.maxsize = 9223372036854775807
self.assertEqual(get_platform(), 'macosx-10.3-x86_64')
finally:
sys.maxsize = maxint
# macbook with fat binaries (fat, universal or fat64)
_osx_support._remove_original_values(get_config_vars())
get_config_vars()['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.assertEqual(get_platform(), 'macosx-10.4-fat')
_osx_support._remove_original_values(get_config_vars())
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.assertEqual(get_platform(), 'macosx-10.4-intel')
_osx_support._remove_original_values(get_config_vars())
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.assertEqual(get_platform(), 'macosx-10.4-fat3')
_osx_support._remove_original_values(get_config_vars())
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.assertEqual(get_platform(), 'macosx-10.4-universal')
_osx_support._remove_original_values(get_config_vars())
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.assertEqual(get_platform(), 'macosx-10.4-fat64')
for arch in ('ppc', 'i386', 'x86_64', 'ppc64'):
_osx_support._remove_original_values(get_config_vars())
get_config_vars()['CFLAGS'] = ('-arch %s -isysroot '
'/Developer/SDKs/MacOSX10.4u.sdk '
'-fno-strict-aliasing -fno-common '
'-dynamic -DNDEBUG -g -O3' % arch)
self.assertEqual(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.assertEqual(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):
wanted = ('nt', 'nt_user', 'osx_framework_user',
'posix_home', 'posix_prefix', 'posix_user')
self.assertEqual(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.
env = None
if sys.platform == "win32":
env = {k.upper(): os.environ[k] for k in os.environ}
env["PATH"] = "{};{}".format(
os.path.dirname(sys.executable), env.get("PATH", ""))
# Requires PYTHONHOME as well since we locate stdlib from the
# EXE path and not the DLL path (which should be fixed)
env["PYTHONHOME"] = os.path.dirname(sys.executable)
if sysconfig.is_python_build(True):
env["PYTHONPATH"] = os.path.dirname(os.__file__)
# Issue 7880
def get(python, env=None):
cmd = [python, '-c',
'import sysconfig; print(sysconfig.get_platform())']
p = subprocess.Popen(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, env=env)
out, err = p.communicate()
if p.returncode:
print((out, err))
self.fail('Non-zero return code {0} (0x{0:08X})'
.format(p.returncode))
return out, err
real = os.path.realpath(sys.executable)
link = os.path.abspath(TESTFN)
os.symlink(real, link)
try:
self.assertEqual(get(real), get(link, env))
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')
# the global scheme mirrors the distinction between prefix and
# exec-prefix but not the user scheme, so we have to adapt the paths
# before comparing (issue #9100)
adapt = sys.base_prefix != sys.base_exec_prefix
for name in ('stdlib', 'platstdlib', 'purelib', 'platlib'):
global_path = get_path(name, 'posix_prefix')
if adapt:
global_path = global_path.replace(sys.exec_prefix, sys.base_prefix)
base = base.replace(sys.exec_prefix, sys.base_prefix)
elif sys.base_prefix != sys.prefix:
# virtual environment? Likewise, we have to adapt the paths
# before comparing
global_path = global_path.replace(sys.base_prefix, sys.prefix)
base = base.replace(sys.base_prefix, sys.prefix)
user_path = get_path(name, 'posix_user')
self.assertEqual(user_path, global_path.replace(base, user, 1))
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)
@unittest.skipUnless(sys.platform == "darwin", "test only relevant on MacOSX")
def test_platform_in_subprocess(self):
my_platform = sysconfig.get_platform()
# Test without MACOSX_DEPLOYMENT_TARGET in the environment
env = os.environ.copy()
if 'MACOSX_DEPLOYMENT_TARGET' in env:
del env['MACOSX_DEPLOYMENT_TARGET']
p = subprocess.Popen([
sys.executable, '-c',
'import sysconfig; print(sysconfig.get_platform())',
],
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL,
env=env)
test_platform = p.communicate()[0].strip()
test_platform = test_platform.decode('utf-8')
status = p.wait()
self.assertEqual(status, 0)
self.assertEqual(my_platform, test_platform)
# Test with MACOSX_DEPLOYMENT_TARGET in the environment, and
# using a value that is unlikely to be the default one.
env = os.environ.copy()
env['MACOSX_DEPLOYMENT_TARGET'] = '10.1'
p = subprocess.Popen([
sys.executable, '-c',
'import sysconfig; print(sysconfig.get_platform())',
],
stdout=subprocess.PIPE,
stderr=subprocess.DEVNULL,
env=env)
test_platform = p.communicate()[0].strip()
test_platform = test_platform.decode('utf-8')
status = p.wait()
self.assertEqual(status, 0)
self.assertEqual(my_platform, test_platform)
def test_srcdir(self):
# See Issues #15322, #15364.
srcdir = sysconfig.get_config_var('srcdir')
self.assertTrue(os.path.isabs(srcdir), srcdir)
self.assertTrue(os.path.isdir(srcdir), srcdir)
if sysconfig._PYTHON_BUILD:
# The python executable has not been installed so srcdir
# should be a full source checkout.
Python_h = os.path.join(srcdir, 'Include', 'Python.h')
self.assertTrue(os.path.exists(Python_h), Python_h)
self.assertTrue(sysconfig._is_python_source_dir(srcdir))
elif os.name == 'posix':
makefile_dir = os.path.dirname(sysconfig.get_makefile_filename())
# Issue #19340: srcdir has been realpath'ed already
makefile_dir = os.path.realpath(makefile_dir)
self.assertEqual(makefile_dir, srcdir)
def test_srcdir_independent_of_cwd(self):
# srcdir should be independent of the current working directory
# See Issues #15322, #15364.
srcdir = sysconfig.get_config_var('srcdir')
with change_cwd(os.pardir):
srcdir2 = sysconfig.get_config_var('srcdir')
self.assertEqual(srcdir, srcdir2)
@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
'EXT_SUFFIX required for this test')
def test_SO_deprecation(self):
self.assertWarns(DeprecationWarning,
sysconfig.get_config_var, 'SO')
@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
'EXT_SUFFIX required for this test')
def test_SO_value(self):
with check_warnings(('', DeprecationWarning)):
self.assertEqual(sysconfig.get_config_var('SO'),
sysconfig.get_config_var('EXT_SUFFIX'))
@unittest.skipIf(sysconfig.get_config_var('EXT_SUFFIX') is None,
'EXT_SUFFIX required for this test')
def test_SO_in_vars(self):
vars = sysconfig.get_config_vars()
self.assertIsNotNone(vars['SO'])
self.assertEqual(vars['SO'], vars['EXT_SUFFIX'])
@unittest.skipUnless(sys.platform == 'linux' and
hasattr(sys.implementation, '_multiarch'),
'multiarch-specific test')
def test_triplet_in_ext_suffix(self):
ctypes = import_module('ctypes')
import platform, re
machine = platform.machine()
suffix = sysconfig.get_config_var('EXT_SUFFIX')
if re.match('(aarch64|arm|mips|ppc|powerpc|s390|sparc)', machine):
self.assertTrue('linux' in suffix, suffix)
if re.match('(i[3-6]86|x86_64)$', machine):
if ctypes.sizeof(ctypes.c_char_p()) == 4:
self.assertTrue(suffix.endswith('i386-linux-gnu.so') or
suffix.endswith('x86_64-linux-gnux32.so'),
suffix)
else: # 8 byte pointer size
self.assertTrue(suffix.endswith('x86_64-linux-gnu.so'), suffix)
@unittest.skipUnless(sys.platform == 'darwin', 'OS X-specific test')
def test_osx_ext_suffix(self):
suffix = sysconfig.get_config_var('EXT_SUFFIX')
self.assertTrue(suffix.endswith('-darwin.so'), suffix)
class MakefileTests(unittest.TestCase):
@unittest.skipIf(sys.platform.startswith('win'),
'Test is not Windows compatible')
def test_get_makefile_filename(self):
makefile = sysconfig.get_makefile_filename()
self.assertTrue(os.path.isfile(makefile), makefile)
def test_parse_makefile(self):
self.addCleanup(unlink, TESTFN)
with open(TESTFN, "w") as makefile:
print("var1=a$(VAR2)", file=makefile)
print("VAR2=b$(var3)", file=makefile)
print("var3=42", file=makefile)
print("var4=$/invalid", file=makefile)
print("var5=dollar$$5", file=makefile)
print("var6=${var3}/lib/python3.5/config-$(VAR2)$(var5)"
"-x86_64-linux-gnu", file=makefile)
vars = sysconfig._parse_makefile(TESTFN)
self.assertEqual(vars, {
'var1': 'ab42',
'VAR2': 'b42',
'var3': 42,
'var4': '$/invalid',
'var5': 'dollar$5',
'var6': '42/lib/python3.5/config-b42dollar$5-x86_64-linux-gnu',
})
if __name__ == "__main__":
unittest.main()