imp.py 文件源码

def get_suffixes():
    warnings.warn('imp.get_suffixes() is deprecated; use the constants '
                  'defined on importlib.machinery instead',
                  DeprecationWarning, 2)
    extensions = [(s, 'rb', C_EXTENSION) for s in machinery.EXTENSION_SUFFIXES]
    source = [(s, 'U', PY_SOURCE) for s in machinery.SOURCE_SUFFIXES]
    bytecode = [(s, 'rb', PY_COMPILED) for s in machinery.BYTECODE_SUFFIXES]

    return extensions + source + bytecode