apache2和mod wsgi:目标WSGI脚本无法作为Python模块加载

Question

我想在ubuntu上的apache2上安装mod_wsgi.所以我安装了libapache2-mod-wsgi包,用a2enmod激活他.

我有一个网站(languageAnalyz),我试图用mod_wsgi.当我调用localhost/languageAnalyz时,我收到错误500.

在apache2日志中,我可以看到:

[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1] mod_wsgi (pid=4993): Target WSGI script '/var/www/languageAnalyz/test-wsgi.py' cannot be loaded as Python module.
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1] mod_wsgi (pid=4993): SystemExit exception raised by WSGI script '/var/www/languageAnalyz/test-wsgi.py' ignored.
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1] Traceback (most recent call last):
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]   File "/var/www/languageAnalyz/test-wsgi.py", line 10, in <module>
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]     WSGIServer(app).run()
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]   File "/usr/local/lib/python2.7/dist-packages/flup/server/fcgi.py", line 112, in run
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]     sock = self._setupSocket()
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]   File "/usr/local/lib/python2.7/dist-packages/flup/server/fcgi_base.py", line 997, in _setupSocket
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]     req.run()
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]   File "/usr/local/lib/python2.7/dist-packages/flup/server/fcgi_base.py", line 572, in run
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]     self._end(appStatus, protocolStatus)
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]   File "/usr/local/lib/python2.7/dist-packages/flup/server/fcgi_base.py", line 601, in _end
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1]     sys.exit(appStatus)
[Sun Aug 25 11:28:21 2013] [error] [client 127.0.0.1] SystemExit: 0

我搜索了这个错误,我找到了很多解决方案(Django项目的大部分时间).我想知道的是,我需要创建一个__init__.py文件.我做了什么,这是我的__init__.py文件:

__all__ = ['app','get_size_dir','get_nbrf_dir','getStats'] #name of my functions
import index # my three python files
import analyz
import test-wsgi

在__all__列表中,这是三个文件中的函数名称.我只是尝试启动test-wsgi.py,并获得相同的错误500.

这是我的test-wsgi.py文件:

import os,sys
sys.path.append(os.path.dirname(__file__))
from cgi import escape,parse_qs
from flup.server.fcgi import WSGIServer
def app(environ, start_response):
  start_response('200 OK',[('Content-Type','text/plain; charset=utf-8')])
   yield "hello world!"
WSGIServer(app).run()

那有什么不对？谢谢,

编辑:这是我的apache2 conf:

WSGIPythonPath /var/www/languageAnalyz
<VirtualHost *:80>
  ...
  <Directory /var/www/languageAnalyz/>
    Options +Indexes ExecCGI FollowSymLinks MultiViews
    AllowOverride None
    Order allow,deny
    Allow from all
    DirectoryIndex index.py
    SetHandler wsgi-script
  </Directory>
  ...
</VirtualHost>

Edit_bis:所以当我读到django doc时,我会尝试这样做.我将apache2 conf更改为:

WSGIPythonPath /var/www/languageAnalyz
<VirtualHost *:80>
  ...
   WSGIScriptAlias /IPA /var/www/languageAnalyz/testwsgi.py
    <Directory /var/www/languageAnalyz/>
            Options +Indexes FollowSymLinks MultiViews
            AllowOverride None
            Order allow,deny
            Allow from all
            DirectoryIndex testwsgi.py
    </Directory>

  ...
</VirtualHost>

我重新启动apache2,我得到了同样的错误,还有一个错误:

[Sun Aug 25 12:47:18 2013] [notice] caught SIGTERM, shutting down
[Sun Aug 25 12:47:19 2013] [notice] FastCGI: wrapper mechanism enabled (wrapper: /usr/lib/apache2/suexec)
[Sun Aug 25 12:47:19 2013] [notice] FastCGI: process manager initialized (pid 7879)
[Sun Aug 25 12:47:19 2013] [notice] mod_python: Creating 8 session mutexes based on 150 max processes and 0 max threads.
[Sun Aug 25 12:47:19 2013] [notice] mod_python: using mutex_directory /tmp
[Sun Aug 25 12:47:19 2013] [warn] mod_wsgi: Compiled for Python/2.7.3.
[Sun Aug 25 12:47:19 2013] [warn] mod_wsgi: Runtime using Python/2.7.4.
[Sun Aug 25 12:47:19 2013] [notice] Apache/2.2.22 (Ubuntu) mod_fastcgi/mod_fastcgi-SNAP-0910052141 PHP/5.4.9-4ubuntu2.2 mod_python/3.3.1 Python/2.7.4 mod_ruby/1.2.6 Ruby/1.8.7(2012-02-08) mod_wsgi/3.4 configured$
[Sun Aug 25 12:47:19 2013] [error] WSGIServer: missing FastCGI param REQUEST_METHOD required by WSGI!
[Sun Aug 25 12:47:19 2013] [error] WSGIServer: missing FastCGI param SERVER_NAME required by WSGI!
[Sun Aug 25 12:47:19 2013] [error] WSGIServer: missing FastCGI param SERVER_PORT required by WSGI!
[Sun Aug 25 12:47:19 2013] [error] WSGIServer: missing FastCGI param SERVER_PROTOCOL required by WSGI!
[Sun Aug 25 12:47:19 2013] [error] Status: 200 OK\r
[Sun Aug 25 12:47:19 2013] [error] Content-Type: text/plain; charset=utf-8\r
[Sun Aug 25 12:47:19 2013] [error] \r
[Sun Aug 25 12:47:19 2013] [error] hello world!
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1] mod_wsgi (pid=7884): Target WSGI script '/var/www/languageAnalyz/testwsgi.py' cannot be loaded as Python module.
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1] mod_wsgi (pid=7884): SystemExit exception raised by WSGI script '/var/www/languageAnalyz/testwsgi.py' ignored.
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1] Traceback (most recent call last):
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]   File "/var/www/languageAnalyz/testwsgi.py", line 10, in <module>
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]     WSGIServer(app).run()
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]   File "/usr/local/lib/python2.7/dist-packages/flup/server/fcgi.py", line 112, in run
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]     sock = self._setupSocket()
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]   File "/usr/local/lib/python2.7/dist-packages/flup/server/fcgi_base.py", line 997, in _setupSocket
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]     req.run()
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]   File "/usr/local/lib/python2.7/dist-packages/flup/server/fcgi_base.py", line 572, in run
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]     self._end(appStatus, protocolStatus)
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]   File "/usr/local/lib/python2.7/dist-packages/flup/server/fcgi_base.py", line 601, in _end
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1]     sys.exit(appStatus)
[Sun Aug 25 12:47:19 2013] [error] [client 127.0.0.1] SystemExit: 0

Edit_ter:

好的,我刚刚成功启动了testwsgi.py.我将我的应用程序功能更改为应用程序,并在最后添加一些行:

if __name__ == '__main__':
  from wsgiref.simple_server import make_server
  server = make_server('localhost', 8080, application)
  server.serve_forever()

我事件不知道,为什么它工作,为什么它以前没有工作....现在我有一些问题打开文件,路径(配置文件或模板文件......)

[Sun Aug 25 13:10:51 2013] [error] [client 127.0.0.1]   File "/var/www/languageAnalyz/analyz.py", line 22, in getStats
[Sun Aug 25 13:10:51 2013] [error] [client 127.0.0.1]     flangs=open('config/languages.yml')

我尝试绝对路径,它也没有用...

Answer 1

对于初学者来说，您似乎遵循了错误的文档。对于 mod_wsgi 使用：

• https://docs.djangoproject.com/en/dev/howto/deployment/wsgi/modwsgi/

您似乎正在使用 FASTCGI 部署文档。

另外，你不能这样做：

import test-wsgi

Python 模块名称中不能包含“-”。

总之，重新阅读（或阅读）有关部署的 Django 文档。