当我在谷歌应用引擎项目中使用来自 django.utils 的 simplejson 时,我收到此错误:
Traceback (most recent call last):
File "/base/python27_runtime/python27_lib/versions/1/google/appengine/runtime/wsgi.py", line 187, in Handle
handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
File "/base/python27_runtime/python27_lib/versions/1/google/appengine/runtime/wsgi.py", line 225, in _LoadHandler
handler = __import__(path[0])
File "/base/data/home/apps/s~testapp/1.359839747994604729/notify.py", line 8, in <module>
from handlers.xmpp_handler import XMPPHandler
File "/base/data/home/apps/s~testapp/1.359839747994604729/handlers/xmpp_handler.py", line 12, in <module>
import commands
File "/base/data/home/apps/s~testapp/1.359839747994604729/handlers/commands.py", line 4, in <module>
from django.utils import simplejson
ImportError: No module named django.utils
片段:
import datetime
from google.appengine.api import users
from google.appengine.ext import db
from django.utils import simplejson
class jsonEncoder(simplejson.JSONEncoder):
def default(self, obj):
if isinstance(obj, datetime.datetime):
return obj.isoformat()
elif isinstance(obj, db.Model):
return dict((p, getattr(obj, p))
for p in obj.properties())
elif isinstance(obj, users.User):
return obj.email()
else:
return simplejson.JSONEncoder.default(self, obj)