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I'm trying to get Python working with Apache, however I'm failing to have success with either CGI or mod_python.

Does anyone know a good tutorial or something?

Thanks.

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1 Answer 1

up vote 15 down vote accepted

mod_python is basically non-maintained - you should look into mod_wsgi. Install the package libapache2-mod-wsgi, then issue sudo a2enmod wsgi to enable it.

Just as a quick example to get it running, stuff something like this in your /etc/apache2/sites-enabled/default:

WSGIScriptAlias /test /path/to/python/file.py

And in the file /path/to/python/file.py:

def application(environ, start_response):
    start_response('200 OK', [('Content-Type', 'text/plain')])
    return "Hello World"

After re-starting Apache2, any request to /test will turn into a call of application() in your python file.

For further reading, look into WSGI (WebServer Gateway Interface), the way Python integrates with web-servers.

Bonus / Update:

Python (unsurprisingly) has a small WSGI server in the standard library for testing. If you add this in the bottom of your file, you can run it as any old executable for testing purposes, and then let Apache take over for production:

if __name__ == '__main__':
    from wsgiref.simple_server import make_server

    httpd = make_server('', 8080, application)
    print "Serving on http://localhost:8080"

    httpd.serve_forever()
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I got the following as an error, out of the apache log. As far as I can tell, it thinks it's not getting a string. –  Vallery Mar 6 '11 at 1:08
    
[Sat Mar 05 17:06:14 2011] [error] [client 127.0.0.1] mod_wsgi (pid=2844): Exception occurred processing WSGI script '/var/www/file.py'. [Sat Mar 05 17:06:14 2011] [error] [client 127.0.0.1] Traceback (most recent call last): [Sat Mar 05 17:06:14 2011] [error] [client 127.0.0.1] File "/var/www/file.py", line 2, in application [Sat Mar 05 17:06:14 2011] [error] [client 127.0.0.1] start_response(200, [('Content-Type', 'text/plain')]) [Sat Mar 05 17:06:14 2011] [error] [client 127.0.0.1] TypeError: expected byte string object for status, value of type int found –  Vallery Mar 6 '11 at 1:08
    
Ah. My bad. I'm used to frameworks doing all the tricky stuff for me ;). I've updated the 200 to '200 OK' per python.org/dev/peps/pep-0333 –  Morten Siebuhr Mar 7 '11 at 15:20
    
Great, that works. Last question: how do I make it display in html? My browser shows the return in plaintext, ignoring the markup. –  Vallery Mar 7 '11 at 22:50
1  
Wait, got it: change text/plain to text/html. –  Vallery Mar 7 '11 at 22:52

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