test_translation.py 文件源码

def write_and_import(self, code, modulename='mymodule'):
        self.assertTrue('.py' not in modulename)
        filename = modulename + '.py'
        if isinstance(code, bytes):
            code = code.decode('utf-8')
        # Be explicit about encoding the temp file as UTF-8 (issue #63):
        with io.open(self.tempdir + filename, 'w', encoding='utf-8') as f:
            f.write(textwrap.dedent(code).strip() + '\n')

        # meta_path_len = len(sys.meta_path)
        install_hooks(modulename)
        # print('Hooks installed')
        # assert len(sys.meta_path) == 1 + meta_path_len
        # print('sys.meta_path is: {0}'.format(sys.meta_path))
        module = None

        sys.path.insert(0, self.tempdir)
        try:
            module = __import__(modulename)
        except SyntaxError:
            print('Bombed!')
        else:
            print('Succeeded!')
        finally:
            remove_hooks()
            # print('Hooks removed')
            sys.path.remove(self.tempdir)
        return module