util.py 文件源码

def find_msvcrt():
        """Return the name of the VC runtime dll"""
        version = _get_build_version()
        if version is None:
            # better be safe than sorry
            return None
        if version <= 6:
            clibname = 'msvcrt'
        elif version <= 13:
            clibname = 'msvcr%d' % (version * 10)
        else:
            # CRT is no longer directly loadable. See issue23606 for the
            # discussion about alternative approaches.
            return None

        # If python was built with in debug mode
        import importlib.machinery
        if '_d.pyd' in importlib.machinery.EXTENSION_SUFFIXES:
            clibname += 'd'
        return clibname+'.dll'