mirror of https://github.com/python/cpython
264 lines
10 KiB
Python
264 lines
10 KiB
Python
"""Tests for distutils.sysconfig."""
|
|
import contextlib
|
|
import os
|
|
import shutil
|
|
import subprocess
|
|
import sys
|
|
import textwrap
|
|
import unittest
|
|
|
|
from distutils import sysconfig
|
|
from distutils.ccompiler import get_default_compiler
|
|
from distutils.tests import support
|
|
from test.support import run_unittest, swap_item, requires_subprocess, is_wasi
|
|
from test.support.os_helper import TESTFN
|
|
|
|
|
|
class SysconfigTestCase(support.EnvironGuard, unittest.TestCase):
|
|
def setUp(self):
|
|
super(SysconfigTestCase, self).setUp()
|
|
self.makefile = None
|
|
|
|
def tearDown(self):
|
|
if self.makefile is not None:
|
|
os.unlink(self.makefile)
|
|
self.cleanup_testfn()
|
|
super(SysconfigTestCase, self).tearDown()
|
|
|
|
def cleanup_testfn(self):
|
|
if os.path.isfile(TESTFN):
|
|
os.remove(TESTFN)
|
|
elif os.path.isdir(TESTFN):
|
|
shutil.rmtree(TESTFN)
|
|
|
|
@unittest.skipIf(is_wasi, "Incompatible with WASI mapdir and OOT builds")
|
|
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_python_lib(self):
|
|
# XXX doesn't work on Linux when Python was never installed before
|
|
#self.assertTrue(os.path.isdir(lib_dir), lib_dir)
|
|
# test for pythonxx.lib?
|
|
self.assertNotEqual(sysconfig.get_python_lib(),
|
|
sysconfig.get_python_lib(prefix=TESTFN))
|
|
|
|
def test_get_config_vars(self):
|
|
cvars = sysconfig.get_config_vars()
|
|
self.assertIsInstance(cvars, dict)
|
|
self.assertTrue(cvars)
|
|
|
|
@unittest.skipIf(is_wasi, "Incompatible with WASI mapdir and OOT builds")
|
|
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)
|
|
# <srcdir>/PC/pyconfig.h always exists even if unused on POSIX.
|
|
pyconfig_h = os.path.join(srcdir, 'PC', 'pyconfig.h')
|
|
self.assertTrue(os.path.exists(pyconfig_h), pyconfig_h)
|
|
pyconfig_h_in = os.path.join(srcdir, 'pyconfig.h.in')
|
|
self.assertTrue(os.path.exists(pyconfig_h_in), pyconfig_h_in)
|
|
elif os.name == 'posix':
|
|
self.assertEqual(
|
|
os.path.dirname(sysconfig.get_makefile_filename()),
|
|
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')
|
|
cwd = os.getcwd()
|
|
try:
|
|
os.chdir('..')
|
|
srcdir2 = sysconfig.get_config_var('srcdir')
|
|
finally:
|
|
os.chdir(cwd)
|
|
self.assertEqual(srcdir, srcdir2)
|
|
|
|
def customize_compiler(self):
|
|
# make sure AR gets caught
|
|
class compiler:
|
|
compiler_type = 'unix'
|
|
|
|
def set_executables(self, **kw):
|
|
self.exes = kw
|
|
|
|
sysconfig_vars = {
|
|
'AR': 'sc_ar',
|
|
'CC': 'sc_cc',
|
|
'CXX': 'sc_cxx',
|
|
'ARFLAGS': '--sc-arflags',
|
|
'CFLAGS': '--sc-cflags',
|
|
'CCSHARED': '--sc-ccshared',
|
|
'LDSHARED': 'sc_ldshared',
|
|
'SHLIB_SUFFIX': 'sc_shutil_suffix',
|
|
|
|
# On macOS, disable _osx_support.customize_compiler()
|
|
'CUSTOMIZED_OSX_COMPILER': 'True',
|
|
}
|
|
|
|
comp = compiler()
|
|
with contextlib.ExitStack() as cm:
|
|
for key, value in sysconfig_vars.items():
|
|
cm.enter_context(swap_item(sysconfig._config_vars, key, value))
|
|
sysconfig.customize_compiler(comp)
|
|
|
|
return comp
|
|
|
|
@unittest.skipUnless(get_default_compiler() == 'unix',
|
|
'not testing if default compiler is not unix')
|
|
def test_customize_compiler(self):
|
|
# Make sure that sysconfig._config_vars is initialized
|
|
sysconfig.get_config_vars()
|
|
|
|
os.environ['AR'] = 'env_ar'
|
|
os.environ['CC'] = 'env_cc'
|
|
os.environ['CPP'] = 'env_cpp'
|
|
os.environ['CXX'] = 'env_cxx --env-cxx-flags'
|
|
os.environ['LDSHARED'] = 'env_ldshared'
|
|
os.environ['LDFLAGS'] = '--env-ldflags'
|
|
os.environ['ARFLAGS'] = '--env-arflags'
|
|
os.environ['CFLAGS'] = '--env-cflags'
|
|
os.environ['CPPFLAGS'] = '--env-cppflags'
|
|
|
|
comp = self.customize_compiler()
|
|
self.assertEqual(comp.exes['archiver'],
|
|
'env_ar --env-arflags')
|
|
self.assertEqual(comp.exes['preprocessor'],
|
|
'env_cpp --env-cppflags')
|
|
self.assertEqual(comp.exes['compiler'],
|
|
'env_cc --sc-cflags --env-cflags --env-cppflags')
|
|
self.assertEqual(comp.exes['compiler_so'],
|
|
('env_cc --sc-cflags '
|
|
'--env-cflags ''--env-cppflags --sc-ccshared'))
|
|
self.assertEqual(comp.exes['compiler_cxx'],
|
|
'env_cxx --env-cxx-flags')
|
|
self.assertEqual(comp.exes['linker_exe'],
|
|
'env_cc')
|
|
self.assertEqual(comp.exes['linker_so'],
|
|
('env_ldshared --env-ldflags --env-cflags'
|
|
' --env-cppflags'))
|
|
self.assertEqual(comp.shared_lib_extension, 'sc_shutil_suffix')
|
|
|
|
del os.environ['AR']
|
|
del os.environ['CC']
|
|
del os.environ['CPP']
|
|
del os.environ['CXX']
|
|
del os.environ['LDSHARED']
|
|
del os.environ['LDFLAGS']
|
|
del os.environ['ARFLAGS']
|
|
del os.environ['CFLAGS']
|
|
del os.environ['CPPFLAGS']
|
|
|
|
comp = self.customize_compiler()
|
|
self.assertEqual(comp.exes['archiver'],
|
|
'sc_ar --sc-arflags')
|
|
self.assertEqual(comp.exes['preprocessor'],
|
|
'sc_cc -E')
|
|
self.assertEqual(comp.exes['compiler'],
|
|
'sc_cc --sc-cflags')
|
|
self.assertEqual(comp.exes['compiler_so'],
|
|
'sc_cc --sc-cflags --sc-ccshared')
|
|
self.assertEqual(comp.exes['compiler_cxx'],
|
|
'sc_cxx')
|
|
self.assertEqual(comp.exes['linker_exe'],
|
|
'sc_cc')
|
|
self.assertEqual(comp.exes['linker_so'],
|
|
'sc_ldshared')
|
|
self.assertEqual(comp.shared_lib_extension, 'sc_shutil_suffix')
|
|
|
|
def test_parse_makefile_base(self):
|
|
self.makefile = TESTFN
|
|
fd = open(self.makefile, 'w')
|
|
try:
|
|
fd.write(r"CONFIG_ARGS= '--arg1=optarg1' 'ENV=LIB'" '\n')
|
|
fd.write('VAR=$OTHER\nOTHER=foo')
|
|
finally:
|
|
fd.close()
|
|
d = sysconfig.parse_makefile(self.makefile)
|
|
self.assertEqual(d, {'CONFIG_ARGS': "'--arg1=optarg1' 'ENV=LIB'",
|
|
'OTHER': 'foo'})
|
|
|
|
def test_parse_makefile_literal_dollar(self):
|
|
self.makefile = TESTFN
|
|
fd = open(self.makefile, 'w')
|
|
try:
|
|
fd.write(r"CONFIG_ARGS= '--arg1=optarg1' 'ENV=\$$LIB'" '\n')
|
|
fd.write('VAR=$OTHER\nOTHER=foo')
|
|
finally:
|
|
fd.close()
|
|
d = sysconfig.parse_makefile(self.makefile)
|
|
self.assertEqual(d, {'CONFIG_ARGS': r"'--arg1=optarg1' 'ENV=\$LIB'",
|
|
'OTHER': 'foo'})
|
|
|
|
|
|
def test_sysconfig_module(self):
|
|
import sysconfig as global_sysconfig
|
|
self.assertEqual(global_sysconfig.get_config_var('CFLAGS'),
|
|
sysconfig.get_config_var('CFLAGS'))
|
|
self.assertEqual(global_sysconfig.get_config_var('LDFLAGS'),
|
|
sysconfig.get_config_var('LDFLAGS'))
|
|
|
|
@unittest.skipIf(sysconfig.get_config_var('CUSTOMIZED_OSX_COMPILER'),
|
|
'compiler flags customized')
|
|
def test_sysconfig_compiler_vars(self):
|
|
# On OS X, binary installers support extension module building on
|
|
# various levels of the operating system with differing Xcode
|
|
# configurations. This requires customization of some of the
|
|
# compiler configuration directives to suit the environment on
|
|
# the installed machine. Some of these customizations may require
|
|
# running external programs and, so, are deferred until needed by
|
|
# the first extension module build. With Python 3.3, only
|
|
# the Distutils version of sysconfig is used for extension module
|
|
# builds, which happens earlier in the Distutils tests. This may
|
|
# cause the following tests to fail since no tests have caused
|
|
# the global version of sysconfig to call the customization yet.
|
|
# The solution for now is to simply skip this test in this case.
|
|
# The longer-term solution is to only have one version of sysconfig.
|
|
|
|
import sysconfig as global_sysconfig
|
|
if sysconfig.get_config_var('CUSTOMIZED_OSX_COMPILER'):
|
|
self.skipTest('compiler flags customized')
|
|
self.assertEqual(global_sysconfig.get_config_var('LDSHARED'),
|
|
sysconfig.get_config_var('LDSHARED'))
|
|
self.assertEqual(global_sysconfig.get_config_var('CC'),
|
|
sysconfig.get_config_var('CC'))
|
|
|
|
@requires_subprocess()
|
|
def test_customize_compiler_before_get_config_vars(self):
|
|
# Issue #21923: test that a Distribution compiler
|
|
# instance can be called without an explicit call to
|
|
# get_config_vars().
|
|
with open(TESTFN, 'w') as f:
|
|
f.writelines(textwrap.dedent('''\
|
|
from distutils.core import Distribution
|
|
config = Distribution().get_command_obj('config')
|
|
# try_compile may pass or it may fail if no compiler
|
|
# is found but it should not raise an exception.
|
|
rc = config.try_compile('int x;')
|
|
'''))
|
|
p = subprocess.Popen([str(sys.executable), TESTFN],
|
|
stdout=subprocess.PIPE,
|
|
stderr=subprocess.STDOUT,
|
|
universal_newlines=True)
|
|
outs, errs = p.communicate()
|
|
self.assertEqual(0, p.returncode, "Subprocess failed: " + outs)
|
|
|
|
|
|
def test_suite():
|
|
suite = unittest.TestSuite()
|
|
suite.addTest(unittest.TestLoader().loadTestsFromTestCase(SysconfigTestCase))
|
|
return suite
|
|
|
|
|
|
if __name__ == '__main__':
|
|
run_unittest(test_suite())
|