di.py 文件源码

def get_data(self, save_directory):
        """
        Retrieves data from remote location
        saves data in: save_directory
        TODO:
            figure out how to handle local file paths
            consider directory downloads from html pages with hyperlinks
            ** Impliment custom URL schemes -- Now needs to be done in lasubway.py
            How does raw data fit into this function?
        """

        url = urlunparse(self)
        file_name = os.path.basename(os.path.normpath(self.path))
        save_path = os.path.join(save_directory, file_name)
        with closing(urlopen(url)) as request:
            with open(save_path, 'wb') as sfile:
                shutil.copyfileobj(request, sfile)