在centos中使用mod_wsgi安装Django，ImportError：没有名为os的模块

时间：2012-08-29 11:41:54

标签： django centos mod-wsgi

我有，httpd.conf 

NameVirtualHost *:80
<VirtualHost *:80>
    ServerName www.hello2.ch
    DocumentRoot /home/django_www/hello
    WSGIScriptAlias / /var/www/django_www/hardi/django.wsgi
    ErrorLog /var/www/django_www/hardi/error_log
    CustomLog /var/www/django_www/hardi/access_log common
</VirtualHost>

<VirtualHost *:80>
    DocumentRoot /var/www/html
</VirtualHost>

vi / etc / hosts 

127.0.0.1       localhost.localdomain localhost
128.178.131.89  www.hello2.ch
128.178.131.89  ohtersite.ch

python 2.5，mod_wsgi-2.5，/ root / epd-5.1.0/lib/libpython2.5.so.1.0：已安装！

ldd /root/epd-5.1.0/bin/python 

libpython2.5.so.1.0 => /root/epd-5.1.0/lib/libpython2.5.so.1.0 (0x00002b1bb7333000)
libpthread.so.0 => /lib64/libpthread.so.0 (0x0000003da0600000)
libdl.so.2 => /lib64/libdl.so.2 (0x0000003d9fe00000)
libutil.so.1 => /lib64/libutil.so.1 (0x0000003dadc00000)
libm.so.6 => /lib64/libm.so.6 (0x0000003da0200000)
libc.so.6 => /lib64/libc.so.6 (0x0000003d9fa00000)
/lib64/ld-linux-x86-64.so.2 (0x0000003d9f600000)

echo $ LD_LIBRARY_PATH

/root/epd-5.1.0/lib /

但是当我尝试加载网页时，我收到以下error_log：

'import site' failed; use -v for traceback
[Wed Aug 29 11:52:57 2012] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Wed Aug 29 11:52:57 2012] [notice] Digest: generating secret for digest authentication ...
[Wed Aug 29 11:52:57 2012] [notice] Digest: done
[Wed Aug 29 11:52:57 2012] [notice] mod_python: Creating 4 session mutexes based on 256 max processes and 0 max threads.
[Wed Aug 29 11:52:57 2012] [notice] Apache/2.2.3 (Red Hat) configured -- resuming normal operations
[Wed Aug 29 11:55:00 2012] [error] [client 66.249.72.187] Symbolic link not allowed or link target not accessible: /var/www/html/app/webroot/w3
[Wed Aug 29 11:58:30 2012] [error] [client 66.249.72.187] Symbolic link not allowed or link target not accessible: /var/www/html/app/webroot/w3
[Wed Aug 29 12:01:58 2012] [error] [client 66.249.72.187] Symbolic link not allowed or link target not accessible: /var/www/html/app/webroot/w3
[Wed Aug 29 12:05:30 2012] [error] [client 66.249.72.187] Symbolic link not allowed or link target not accessible: /var/www/html/app/webroot/w3
[Wed Aug 29 12:09:00 2012] [error] [client 66.249.72.187] Symbolic link not allowed or link target not accessible: /var/www/html/app/webroot/w3
[Wed Aug 29 12:12:29 2012] [error] [client 66.249.72.187] Symbolic link not allowed or link target not accessible: /var/www/html/app/webroot/w3
[Wed Aug 29 12:14:06 2012] [error] [client 178.33.137.225] Symbolic link not allowed or link target not accessible: /var/www/html/app/webroot/w3
[Wed Aug 29 12:15:59 2012] [error] [client 66.249.72.187] Symbolic link not allowed or link target not accessible: /var/www/html/app/webroot/w3
Could not find platform independent libraries <prefix>
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
'import site' failed; use -v for traceback
Could not find platform independent libraries <prefix>
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
....
'import site' failed; use -v for traceback
[Wed Aug 29 12:17:47 2012] [notice] caught SIGTERM, shutting down
Could not find platform independent libraries <prefix>
Could not find platform dependent libraries <exec_prefix>
Consider setting $PYTHONHOME to <prefix>[:<exec_prefix>]
'import site' failed; use -v for traceback
[Wed Aug 29 12:17:47 2012] [notice] suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
[Wed Aug 29 12:17:47 2012] [notice] Digest: generating secret for digest authentication ...
[Wed Aug 29 12:17:47 2012] [notice] Digest: done
[Wed Aug 29 12:17:47 2012] [notice] mod_python: Creating 4 session mutexes based on 256 max processes and 0 max threads.
[Wed Aug 29 12:17:47 2012] [notice] Apache/2.2.3 (Red Hat) configured -- resuming normal operations
[Wed Aug 29 12:18:01 2012] [error] Traceback (most recent call last):
[Wed Aug 29 12:18:01 2012] [error]   File "/var/www/django_www/hardi/django.wsgi", line 1, in <module>
[Wed Aug 29 12:18:01 2012] [error]     import os
[Wed Aug 29 12:18:01 2012] [error] ImportError: No module named os

任何想法，如何使Django与mod_wsgi一起工作，以及如何使第一个VirtualHost条目与www.hello2.ch网页以及第二个VirtualHost条目中的所有其他条目相匹配？

2 个答案:

答案 0 :(得分：1)

在mod_wsgi.so上运行'ldd'。

问题可能在于找到不同的Python版本。也可能是因为你的Python不在标准位置，所以它不知道在哪里找到安装。

在后一种情况下，在Apache配置中添加VirtualHost之外的全局范围：

WSGIPythonHome /root/epd-5.1.0

该值应对应于运行时从Python打印的sys.prefix的值。

import sys
print sys.prefix

答案 1 :(得分：0)

根据您所得到的错误，似乎可能会发生一些事情。然而，我不会把所有这些都投入到评论中，而是继续作为答案发布。

在我的django.wsgi文件中，我有以下两行更改PATH环境变量，让python从我的django项目导入包：

import sys
sys.path.append('/path/to/mysite.com/app/mydjangoproject')

您还需要确保在httpd.conf内的VirtualHost中添加以下内容，您将使用django：

<Directory /path/to/mysite.com/app/mydjangoproject>
    Order allow,deny
    Allow from all
</Directory>

编辑：

关于您在错误消息中显示的评论中提到的符号链接，我不太清楚该怎么做。如果您只是尝试使用它来允许apache访问DocumentRoot之外的资源，那么您需要为包含符号链接的Options FollowSymLinks添加Directory指令

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