# encoding: utf-8 # The MIT License # # Copyright (c) 2012 the bpython authors. # Copyright (c) 2015 Sebastian Ramacher # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN # THE SOFTWARE. """ Helper module for Python 3 compatibility. Defines the following attributes: - PythonLexer: Pygment's Python lexer matching the hosting runtime's Python version. - py3: True if the hosting Python runtime is of Python version 3 or later """ import sys py3 = (sys.version_info[0] == 3) if py3: from pygments.lexers import Python3Lexer as PythonLexer else: from pygments.lexers import PythonLexer if py3 or sys.version_info[:3] >= (2, 7, 3): def prepare_for_exec(arg, encoding=None): return arg else: def prepare_for_exec(arg, encoding=None): return arg.encode(encoding) if py3: def try_decode(s, encoding): return s else: def try_decode(s, encoding): """Try to decode s which is str names. Return None if not decodable""" if not isinstance(s, unicode): try: return s.decode(encoding) except UnicodeDecodeError: return None return s