config.py 文件源码

def from_pyfile(self, filename):
        """Update the values in the config from a Python file.
        Only the uppercase variables in that module are stored in the config.
        :param filename: an absolute path to the config file
        """
        module = types.ModuleType('config')
        module.__file__ = filename
        try:
            with open(filename) as config_file:
                exec(compile(config_file.read(), filename, 'exec'),
                     module.__dict__)
        except IOError as e:
            e.strerror = 'Unable to load configuration file (%s)' % e.strerror
            raise
        self.from_object(module)
        return True