【Django】Apache上运行单个Django项目，mod_wsgi配置
1 安装环境操作系统：Ubuntu 12.04 LTS 32 位（安装在VMware虚拟机中）
python 版本：
Python 2.7.3
Django版本
>>> django.VERSION
(1, 6, 2, 'final', 0)
mod_wsgi版本
mod_wsgi3.x
apache版本及查看命令
x@x:~/program$ /usr/sbin/apachectl -v （版本查看命令）
/usr/sbin/apachectl: 87: ulimit: error setting limit (Operation not permitted)
Server version: Apache/2.2.22 (Ubuntu)
Server built: Mar 19 2014 21:10:40
2 安装过程
安装apache2
sudo apt-get install apache2
安装mod_wsgi
sudo apt-get install libapache2-mod-wsgi
配置工作
···新建Django项目
切换到工作目录（可自己定义别的）
cd /home/x/program/django/
在这儿个目录下创建Django项目
django-admin.py startproject mywork
项目的目录是（Django1.6 项目新建后，会有两层以项目名为名字的目录）
x@x:~/program/django$ cd mywork/
x@x:~/program/django/mywork$ tree
.
├── apache （刚创建是没有，自己后来新建）
│ └── django.wsgi （一会自己创建）
├── manage.py
├── mywork
│ ├── __init__.py
│ ├── settings.py
│ ├── urls.py
│ └── wsgi.py
└── static （一会儿自己创建）
···配置apache2
① 修改httpd.conf 配置文件
sudo vim /etc/apache2/httpd.conf
添加以下代码
#user defined configuration
#加载mod_wsgi模块
#LoadModule wsgi_module modules/mod_wsgi.so （这句不用加，若加上，系统会提示自动加载）
WSGIScriptAlias / /home/x/program/django/mywork/apache/django.wsgi
Order deny,allow
Allow from all
Alias /static/ /home/x/program/django/mywork/static/
Order deny,allow
Allow from all
要注意文件路径，不要写错
②修改 envvars文件
sudo vim /etc/apache2/envvars
添加以下配置
export LANGUAGE=zh_CN:zh
export LANG=zh_CN.utf8
③ 在项目外层mywork目录下建立apache下新建django.wsgi（参考：上边新建Django项目中的目录结构，那个是已经新建好的结构）
向文件 django.wsgi 中添加内容
import os, sys
sys.path.append('/home/x/program/django/mywork')
os.environ['DJANGO_SETTINGS_MODULE'] = 'mywork.settings'
os.environ['PYTHON_EGG_CACHE'] = '/tmp'
import django.core.handlers.wsgi
application = django.core.handlers.wsgi.WSGIHandler()
#print >> sys.stderr, sys.path
要特别注意标绿的一行，不能写错，要不会报错：
mod_wsgi (pid=4524): Exception occurred processing WSGI script '/home/x/program/django/mywork/apache/django.wsgi'.
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/wsgi.py", line 187, in __call__
self.load_middleware()
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 46, in load_middleware
for middleware_path in settings.MIDDLEWARE_CLASSES:
File "/usr/local/lib/python2.7/dist-packages/django/conf/__init__.py", line 54, in __getattr__
self._setup(name)
File "/usr/local/lib/python2.7/dist-packages/django/conf/__init__.py", line 49, in _setup
self._wrapped = Settings(settings_module)
File "/usr/local/lib/python2.7/dist-packages/django/conf/__init__.py", line 132, in __init__
% (self.SETTINGS_MODULE, e)
ImportError: Could not import settings 'mywork.settings' (Is it on sys.path? Is there an import error in the settings file?): No module named mywork.settings
提示找不到模块文件settings.py。这是因为在步骤③中：
sys.path.append('/home/x/program/django/mywork')
设置有误。参考文2
④ 在外层目录myword下 新建一个空的static文件（用来存放js css，目前是空的）
完成以后的目录是：
├── mywork
│ ├── apache
│ │ └── django.wsgi
│ ├── manage.py
│ ├── mywork
│ │ ├── __init__.py
│ │ ├── settings.py
│ │ ├── urls.py
│ │ └── wsgi.py
│ └── static
⑤重启apache服务器
sudo service apache2 restart
⑥在地址栏打开localhost即可
说明配置成功。
若发生错误，可能会出现以下界面
这是要到Server的log中查看错误原因
查看错误日志文件
sudo vim /var/log/apache2/error.log
部分错误信息如下，根据具体情况，到google查找解决办法
mod_wsgi (pid=6569): Exception occurred processing WSGI script '/home/x/program/django/mywork/apache/django.wsgi'.
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/wsgi.py", line 187, in __call__
self.load_middleware()
File "/usr/local/lib/python2.7/dist-packages/django/core/handlers/base.py", line 46, in load_middleware
for middleware_path in settings.MIDDLEWARE_CLASSES:
File "/usr/local/lib/python2.7/dist-packages/django/conf/__init__.py", line 54, in __getattr__
self._setup(name)
File "/usr/local/lib/python2.7/dist-packages/django/conf/__init__.py", line 49, in _setup
self._wrapped = Settings(settings_module)
File "/usr/local/lib/python2.7/dist-packages/django/conf/__init__.py", line 132, in __init__
% (self.SETTINGS_MODULE, e)
ImportError: Could not import settings 'mywork.settings' (Is it on sys.path? Is there an import error in the settings file?): No module named mywork.settings
3 参考文章
1 ubuntu下django+apache2+mod_wsgi快速部署
2 发生importError后参考这个文章
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