+++ /dev/null
-# -*- coding: utf-8 -*-
-#
-# Copyright (C) 2012 The Python Software Foundation.
-# See LICENSE.txt and CONTRIBUTORS.txt.
-#
-"""Backports for individual classes and functions."""
-
-import os
-import sys
-
-__all__ = ['cache_from_source', 'callable', 'fsencode']
-
-
-try:
- from imp import cache_from_source
-except ImportError:
- def cache_from_source(py_file, debug=__debug__):
- ext = debug and 'c' or 'o'
- return py_file + ext
-
-
-try:
- callable = callable
-except NameError:
- from collections import Callable
-
- def callable(obj):
- return isinstance(obj, Callable)
-
-
-try:
- fsencode = os.fsencode
-except AttributeError:
- def fsencode(filename):
- if isinstance(filename, bytes):
- return filename
- elif isinstance(filename, str):
- return filename.encode(sys.getfilesystemencoding())
- else:
- raise TypeError("expect bytes or str, not %s" %
- type(filename).__name__)