base.py 文件源码

def setUp(self):
        """
        The outputs from the various futurize stages should have the
        following headers:
        """
        # After stage1:
        # TODO: use this form after implementing a fixer to consolidate
        #       __future__ imports into a single line:
        # self.headers1 = """
        # from __future__ import absolute_import, division, print_function
        # """
        self.headers1 = reformat_code("""
        from __future__ import absolute_import
        from __future__ import division
        from __future__ import print_function
        """)

        # After stage2 --all-imports:
        # TODO: use this form after implementing a fixer to consolidate
        #       __future__ imports into a single line:
        # self.headers2 = """
        # from __future__ import (absolute_import, division,
        #                         print_function, unicode_literals)
        # from future import standard_library
        # from future.builtins import *
        # """
        self.headers2 = reformat_code("""
        from __future__ import absolute_import
        from __future__ import division
        from __future__ import print_function
        from __future__ import unicode_literals
        from future import standard_library
        standard_library.install_aliases()
        from builtins import *
        """)
        self.interpreters = [sys.executable]
        self.tempdir = tempfile.mkdtemp() + os.path.sep
        pypath = os.getenv('PYTHONPATH')
        if pypath:
            self.env = {'PYTHONPATH': os.getcwd() + os.pathsep + pypath}
        else:
            self.env = {'PYTHONPATH': os.getcwd()}