How To - Mod_wsgi Module With Apache To Host Python In CentOs
This article will teach you how to use mod_wsgi module with Apache to host python web server in Centos 6.4.Mod_wsgi is an Apache HTTP Server module by Graham Dumpleton that provides a WSGI compliant interface for hosting Python 2.3+ based web applications under Apache.It is written in C codes.So it have better performance and lower memory overhead than mod_python or others.
The following paragraph will show the steps to use mod_wsgi.
Step 1. Install mod_wsgi
Run command:
[root@localhost]yum install mod_wsgi
Step 2. Configure Apache with mod_wsgi
Modify the /etc/httpd/conf/httpd.conf file.Add below line in the LoadModule section:
AddModule wsgi_module modules/mod_wsgi.so
Restart httpd service:
[root@localhost]service httpd stop
[root@localhost]service httpd start
Maybe you don't need to modify httpd.conf file,if there is /etc/httpd/conf.d/wsgi.conf.
Step 3. Create web access directory and python file
For example,create /usr/local/wsgi/scripts directory and add wsgi-myapp.py file in it.
File content is as follows:
def application(environ,start_response):
status='200 OK'
output='Hello world'
response_headers=[('Content-type','text/plain'),
('Content-Length',str(len(output)))]
start_response(status,response_headers)
return [output]
step 4. Create Apache conf file
Create a file named myapp.conf and put it in the /etc/httpd/conf.d/ directory.The file content is:
Alias /myapp “/usr/local/wsgi/scripts/wsgi-myapp.py”
Options ExecCGI
SetHandler wsgi-script
Order allow,deny
Allow from all
Step 5. Check the result
Restart httpd service.Then open firefox and input address”localhost/myapp”,you will see
“Hello world” in the web page.
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