引发 ImproperlyConfigured 错误，exc_info[1]，exc_info[2]。

Question

引发 ImproperlyConfigured 错误，exc_info[1]，exc_info[2]。

pythondjangodjango-nonreldjango-mongodb-engine

3

我创建了一个django (1.6.1) 项目并使用mongodb。当我运行python manage.py runserver 0.0.0.0:8000启动服务器时，它给我以下错误：

  File "D:\Python34\lib\importlib\__init__.py", line 129, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 2186, in _gcd_import
  File "<frozen importlib._bootstrap>", line 2169, in _find_and_load
  File "<frozen importlib._bootstrap>", line 2158, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 1209, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 1133, in _exec
  File "<frozen importlib._bootstrap>", line 1432, in exec_module
  File "<frozen importlib._bootstrap>", line 1537, in get_code
  File "<frozen importlib._bootstrap>", line 1497, in source_to_code
  File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
  File "D:\Python34\lib\site-packages\django_mongodb_engine\base.py", line 234
    raise ImproperlyConfigured, exc_info[1], exc_info[2]
                              ^
SyntaxError: invalid syntax

这个错误的含义是什么？

- Muhammad Usman

1个回答

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- falsetru · Accepted Answer

django-mongodb-engine 不支持 Python 3.x。

错误的含义：

在Python 3.x中，raise语句的语法已经发生了改变。在Python 3.x中，raise expression, expression, expression语法是无效的。

>>> raise ValueError, 'msg'
  File "<stdin>", line 1
    raise ValueError, 'msg'
                    ^
SyntaxError: invalid syntax

>>> raise ValueError('msg')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: msg