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"""Tests for distutils.sysconfig."""
import os
import shutil
import test
import unittest
from distutils import sysconfig
from distutils.ccompiler import get_default_compiler
from distutils.tests import support
from test.support import TESTFN, run_unittest
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)
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):
lib_dir = sysconfig.get_python_lib()
# 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_python_inc(self):
inc_dir = sysconfig.get_python_inc()
# This is not much of a test. We make sure Python.h exists
# in the directory returned by get_python_inc() but we don't know
# it is the correct file.
self.assertTrue(os.path.isdir(inc_dir), inc_dir)
python_h = os.path.join(inc_dir, "Python.h")
self.assertTrue(os.path.isfile(python_h), python_h)
def test_get_config_vars(self):
cvars = sysconfig.get_config_vars()
self.assertIsInstance(cvars, dict)
self.assertTrue(cvars)
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':
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 test_customize_compiler(self):
# not testing if default compiler is not unix
if get_default_compiler() != 'unix':
return
os.environ['AR'] = 'my_ar'
os.environ['ARFLAGS'] = '-arflags'
# make sure AR gets caught
class compiler:
compiler_type = 'unix'
def set_executables(self, **kw):
self.exes = kw
comp = compiler()
sysconfig.customize_compiler(comp)
self.assertEqual(comp.exes['archiver'], 'my_ar -arflags')
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'):
return
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'))
def test_suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(SysconfigTestCase))
return suite
if __name__ == '__main__':
run_unittest(test_suite())
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