models.py 文件源码

def create_image_filename(image_filename, filename_append_list=[]):
    '''
    .. function:: create_image_filename(image_filename, filename_append_list=[])

    Generate a filename with optional strings appended.

    :param image_filename: file owner
    :type image_filename: User
    :param image_filename: list of strings to append to the gnerated filename
    :type image_filename: List
    :rtype: String
    '''
    from werkzeug import secure_filename
    new_filename = secure_filename(image_filename)
    fix_filename = os.path.splitext(new_filename)

    # Optionally append strings, question id etc
    for append in filename_append_list:
        new_filename += '_' + append

    app.logger.debug("new_filename + appendics = %s", new_filename)
    new_filename = hash_string(new_filename) + fix_filename[1]
    return new_filename