'RegistrationTestModel没有属性'_deferred‘

Question

我正在尝试让Django Shell与Google App Engine一起工作。不幸的是，我得到了以下错误：

AttributeError: type object 'RegistrationTestModel' has no attribute '_deferred'

有谁知道怎么解决这个问题吗？

堆栈跟踪：

WARNING:root:Could not read datastore data from /var/folders/X0/X0QgAfs7Hd8IcCVZOIkiCE+++TI/-Tmp-/django_content-sharer.datastore
WARNING:root:Could not initialize images API; you are likely missing the Python "PIL" module. ImportError: No module named _imaging
Traceback (most recent call last):
  File "manage.py", line 30, in <module>
    execute_manager(settings)
  File "/Users/chris/Documents/workspace/ContentSharer/src/__init__.py", line 362, in execute_manager    
  File "/Users/chris/Documents/workspace/ContentSharer/src/__init__.py", line 303, in execute
  File "/Users/chris/Documents/workspace/ContentSharer2/src/django/core/management/base.py", line 195, in run_from_argv
  File "/Users/chris/Documents/workspace/ContentSharer2/src/django/core/management/base.py", line 222, in execute
  File "/Users/chris/Documents/workspace/ContentSharer2/src/django/core/management/base.py", line 351, in handle
  File "/Users/chris/Documents/workspace/ContentSharer/src/django/core/management/commands/shell.py", line 18, in handle_noargs
    loaded_models = get_models()
  File "/Users/chris/Documents/workspace/ContentSharer2/src/django/db/models/loading.py", line 166, in get_models
AttributeError: type object 'RegistrationTestModel' has no attribute '_deferred'

Answer 1

看起来您正在尝试加载依赖于Django模型的Django的一部分。Django模型不能在App Engine上工作，因为它们依赖于关系数据库。

请尝试使用django-nonrel。