models.py 文件源码

def log_error(message, instance):
    # serialising model instance
    # https://stackoverflow.com/questions/757022/how-do-you-serialize-a-model-instance-in-django
    data = serialize('json', [instance, ])
    struct = json.loads(data)
    try:
        # replace long String64 function with useful info
        f = instance.function
        signature = str(inspect.signature(f))
        if hasattr(f, 'args'):
            signature += ', args='+str(f.args)
        if hasattr(f, 'kwargs'):
            signature += ', kwargs=' + str(f.kwargs)

        struct[0]['fields']['function'] = str(f.__module__+"."+f.__name__ + signature)

    except Exception:
        pass
    data = json.dumps(struct[0])
    logger.error(message + ' ' + data)