使用WSGI和虚拟环境时Django错误：无法导入设置

Question

我看了很多关于wsgi无法找到Django的settings.py文件的问题，最后我得出的结论是，我的Django项目没有在PYTHONPATH中。

事情变得复杂的是，我在系统层面上运行的是一个旧版本的Django，但这个项目需要在一个虚拟环境中运行。

我在/usr/local/pythonenv/election设置了一个虚拟环境，而我的项目位于/usr/local/pythonenv/election/src/dev/election。

我的.wsgi文件在/usr/local/pythonenv/election/src/dev/election/config/目录下。

我可以通过$ python manage.py runserver命令来运行Django服务器。

但是当我使用apache和mod_wsgi时，我遇到了错误：

ImportError: Could not import settings 'election.settings' (Is it on sys.path? Does it have syntax errors?): No module named election.settings

这是我的.wsgi文件：

import os
import sys
import site

sys.stdout = sys.stderr

HERE = env_root = os.path.abspath(os.path.dirname(__file__))
found = False
while env_root != '/':
    env_root = os.path.abspath(os.path.dirname(env_root))
    if os.path.exists(os.path.join(env_root, 'bin', 'activate')):
        found = True
        break
assert found, "didn't find a virtualenv in any parent of %s" % HERE

sitepackages_root = os.path.join(env_root, 'lib')
assert os.path.exists(sitepackages_root), "no such dir %s" % sitepackages_root
for d in os.listdir(sitepackages_root):
    if d.startswith('python'):
        site.addsitedir(os.path.join(sitepackages_root, d, 'site-packages'))
        break
else:
    raise RuntimeError("Could not find any site-packages to add in %r" % env_root)

os.environ['DJANGO_SETTINGS_MODULE'] = 'election.settings'
os.environ['PYTHON_EGG_CACHE'] = '/tmp/election-python-eggs'

import django.core.handlers.wsgi
application = django.core.handlers.wsgi.WSGIHandler()

这是错误追踪信息：

[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122]   File "/usr/lib/pymodules/python2.6/django/core/handlers/base.py", line 33, in load_middleware
[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122]     for middleware_path in settings.MIDDLEWARE_CLASSES:
[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122]   File "/usr/lib/pymodules/python2.6/django/utils/functional.py", line 269, in __getattr__
[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122]     self._setup()
[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122]   File "/usr/lib/pymodules/python2.6/django/conf/__init__.py", line 40, in _setup
[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122]     self._wrapped = Settings(settings_module)
[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122]   File "/usr/lib/pymodules/python2.6/django/conf/__init__.py", line 75, in __init__
[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122]     raise ImportError, "Could not import settings '%s' (Is it on sys.path? Does it have syntax errors?): %s" % (self.SETTINGS_MODULE, e)
[Sat Jan 07 21:54:19 2012] [error] [client 192.168.150.122] ImportError: Could not import settings 'election.settings' (Is it on sys.path? Does it have syntax errors?): No module named election.settings

django apache mod_wsgi wsgi 错误追踪虚拟环境 python环境 settings.py

使用WSGI和虚拟环境时Django错误：无法导入设置

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