tasks.py 文件源码

def register_post_save_functions():
    # Disconnect first in case this function is called twice
    logger.debug('Thumbnail: Registering post_save functions.')
    post_save.disconnect(generate_thumbnail, sender=Layer)
    post_save.connect(generate_thumbnail, sender=Layer, weak=False)
    post_save.disconnect(generate_thumbnail, sender=Map)
    post_save.connect(generate_thumbnail, sender=Map, weak=False)