python_linter.py 文件源码

def get_module_version(cls):
        """
        Return the string version of the imported module, without any prefix/suffix.

        This method handles the common case where a module (or one of its parents)
        defines a __version__ string. For other cases, subclasses should override
        this method and return the version string.

        """

        if cls.module:
            module = cls.module

            while True:
                if isinstance(getattr(module, '__version__', None), str):
                    return module.__version__

                if hasattr(module, '__package__'):
                    try:
                        module = importlib.import_module(module.__package__)
                    except ImportError:
                        return None
        else:
            return None