models.py 文件源码

def disable_for_loaddata(signal_handler):
    """The signals to update denormalized data should not be called
    during loaddata management command (can raise an IntegrityError)"""
    def wrapper(*args, **kwargs):
        for fr in inspect.stack():
            if inspect.getmodulename(fr[1]) == 'loaddata':
                return
        signal_handler(*args, **kwargs)
    return wrapper
# end