files.py 文件源码

def guess_mime_type_from_filename(file_path):
    """ Guess the type of a file based on its filename or URL. """
    if not mimetypes.inited:
        mimetypes.init()
        mimetypes.add_type('application/javascript', '.jse')

    mt = mimetypes.guess_type(file_path)[0]
    if mt:
        return mt