我们从Python开源项目中，提取了以下24个代码示例，用于说明如何使用distutils.sysconfig.get_config_h_filename()。
def setUp(self): super(CygwinCCompilerTestCase, self).setUp() self.version = sys.version self.python_h = os.path.join(self.mkdtemp(), 'python.h') from distutils import sysconfig self.old_get_config_h_filename = sysconfig.get_config_h_filename sysconfig.get_config_h_filename = self._get_config_h_filename self.old_find_executable = cygwinccompiler.find_executable cygwinccompiler.find_executable = self._find_executable self._exes = {} self.old_popen = cygwinccompiler.Popen FakePopen.test_class = self cygwinccompiler.Popen = FakePopen
def tearDown(self): sys.version = self.version from distutils import sysconfig sysconfig.get_config_h_filename = self.old_get_config_h_filename cygwinccompiler.find_executable = self.old_find_executable cygwinccompiler.Popen = self.old_popen super(CygwinCCompilerTestCase, self).tearDown()
def test_get_config_h_filename(self): config_h = sysconfig.get_config_h_filename() self.assertTrue(os.path.isfile(config_h), config_h)
def check_config_h(): """Check if the current Python installation (specifically, pyconfig.h) appears amenable to building extensions with GCC. Returns a tuple (status, details), where 'status' is one of the following constants: CONFIG_H_OK all is well, go ahead and compile CONFIG_H_NOTOK doesn't look good CONFIG_H_UNCERTAIN not sure -- unable to read pyconfig.h 'details' is a human-readable string explaining the situation. Note there are two ways to conclude "OK": either 'sys.version' contains the string "GCC" (implying that this Python was built with GCC), or the installed "pyconfig.h" contains the string "__GNUC__". """ # XXX since this function also checks sys.version, it's not strictly a # "pyconfig.h" check -- should probably be renamed... from distutils import sysconfig import string # if sys.version contains GCC then python was compiled with # GCC, and the pyconfig.h file should be OK if string.find(sys.version,"GCC") >= 0: return (CONFIG_H_OK, "sys.version mentions 'GCC'") fn = sysconfig.get_config_h_filename() try: # It would probably better to read single lines to search. # But we do this only once, and it is fast enough f = open(fn) try: s = f.read() finally: f.close() except IOError, exc: # if we can't read this file, we cannot say it is wrong # the compiler will complain later about this file as missing return (CONFIG_H_UNCERTAIN, "couldn't read '%s': %s" % (fn, exc.strerror)) else: # "pyconfig.h" contains an "#ifdef __GNUC__" or something similar if string.find(s,"__GNUC__") >= 0: return (CONFIG_H_OK, "'%s' mentions '__GNUC__'" % fn) else: return (CONFIG_H_NOTOK, "'%s' does not mention '__GNUC__'" % fn)
def check_config_h(): """Check if the current Python installation appears amenable to building extensions with GCC. Returns a tuple (status, details), where 'status' is one of the following constants: - CONFIG_H_OK: all is well, go ahead and compile - CONFIG_H_NOTOK: doesn't look good - CONFIG_H_UNCERTAIN: not sure -- unable to read pyconfig.h 'details' is a human-readable string explaining the situation. Note there are two ways to conclude "OK": either 'sys.version' contains the string "GCC" (implying that this Python was built with GCC), or the installed "pyconfig.h" contains the string "__GNUC__". """ # XXX since this function also checks sys.version, it's not strictly a # "pyconfig.h" check -- should probably be renamed... from distutils import sysconfig # if sys.version contains GCC then python was compiled with GCC, and the # pyconfig.h file should be OK if "GCC" in sys.version: return CONFIG_H_OK, "sys.version mentions 'GCC'" # let's see if __GNUC__ is mentioned in python.h fn = sysconfig.get_config_h_filename() try: config_h = open(fn) try: if "__GNUC__" in config_h.read(): return CONFIG_H_OK, "'%s' mentions '__GNUC__'" % fn else: return CONFIG_H_NOTOK, "'%s' does not mention '__GNUC__'" % fn finally: config_h.close() except OSError as exc: return (CONFIG_H_UNCERTAIN, "couldn't read '%s': %s" % (fn, exc.strerror))
