这里有点晚了,但是您应该能够通过在 kombu 序列化程序注册表中注册自定义编码器和解码器来定义它们,如文档中所示:http://docs.celeryproject.org/en/latest/userguide/calling.html#serializers http://docs.celeryproject.org/en/latest/userguide/calling.html#serializers.
例如,以下是自定义日期时间序列化器/反序列化器(子类化python的内置json模块 http://docs.python.org/2/library/json.html#module-json)对于姜戈:
myjson.py(将其放在 settings.py 文件的同一文件夹中)
import json
from datetime import datetime
from time import mktime
class MyEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, datetime):
return {
'__type__': '__datetime__',
'epoch': int(mktime(obj.timetuple()))
}
else:
return json.JSONEncoder.default(self, obj)
def my_decoder(obj):
if '__type__' in obj:
if obj['__type__'] == '__datetime__':
return datetime.fromtimestamp(obj['epoch'])
return obj
# Encoder function
def my_dumps(obj):
return json.dumps(obj, cls=MyEncoder)
# Decoder function
def my_loads(obj):
return json.loads(obj, object_hook=my_decoder)
设置.py
# Register your new serializer methods into kombu
from kombu.serialization import register
from .myjson import my_dumps, my_loads
register('myjson', my_dumps, my_loads,
content_type='application/x-myjson',
content_encoding='utf-8')
# Tell celery to use your new serializer:
CELERY_ACCEPT_CONTENT = ['myjson']
CELERY_TASK_SERIALIZER = 'myjson'
CELERY_RESULT_SERIALIZER = 'myjson'