how to run python cgi script in ubuntu using xampp

Question

I am not able to run python cgi script in ubuntu using xampp

I have made necessary changes in httpd.conf(/opt/lampp/etc)

<Directory "/opt/lampp/htdocs">
  Options +ExecCGI
  AddHandler cgi-script .cgi .py
  Order allow,deny
  Allow from all
</Directory>

==========================================================

and my python script file is

#!/usr/bin/python
# -*- coding: UTF-8 -*-# enable debugging
import cgitb
cgitb.enable()    
print "Content-Type: text/html;charset=utf-8"
print "Hello World!"

===========================================================

Thanks in advance !

After I run , get error as "The server encountered an internal error and was unable to complete your request. Error message: End of script output before headers: labels.py" — Deep 3015
– Deep 3015, Commented May 16, 2016 at 7:59
In the Python script deployed on the server, is there a line break between the 2nd and 3rd print statement? — Maximilian Peters
– Maximilian Peters, Commented May 16, 2016 at 9:59

Maximilian Peters · Accepted Answer · 2020-05-27 20:23:05Z

1

The output of a CGI script should consist of two sections, separated by a blank line. The first section contains a number of headers, telling the client what kind of data is following.

https://docs.python.org/2/library/cgi.html

In your current code example the blank line is missing (not in your originally posted code). Try changing the first print statement to:

print "Content-Type: text/html;charset=utf-8\n"

and it should work (at least it did on a Amazon server with Ubuntu and Apache).

My personal troubleshooting workflow with Python and cgi:

Check the permissions of the script, e.g. is it owned by www-data?
Does the Python script run when called from the command line? i.e. no simple typos, indentation errors, etc.
Try using a logger (since you cannot print to stdout) to see where and when it crashes, e.g. this one: http://www.electricmonk.nl/log/2011/08/14/redirect-stdout-and-stderr-to-a-logger-in-python/

edited May 27, 2020 at 20:23

answered May 16, 2016 at 11:17

Maximilian Peters

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9 Comments

Deep 3015 Over a year ago

I get error in error.log as [Tue May 17 11:54:24.307673 2016] [cgid:error] [pid 15122:tid 140289761994624] (2)No such file or directory: AH01241: exec of '/var/www/html/test/labels.py' failed [Tue May 17 11:54:24.307933 2016] [cgid:error] [pid 15020:tid 140289461118720] [client 127.0.0.1:60209] End of script output before headers: labels.py

Maximilian Peters Over a year ago

In your httpd.conf your cgi directory is "/opt/lampp/htdocs" but the Python script seems to be in '/var/www/html/test/labels.py'. Does it work when you move the script or change http.conf?

Deep 3015 Over a year ago

And get ideas from site linux.com/blog/configuring-apache2-run-python-scripts

Maximilian Peters Over a year ago

Can you post your http.conf entry?

Deep 3015 Over a year ago

ServerAdmin webmaster@localhost DocumentRoot /var/www/html <Directory /> Options FollowSymLinks AllowOverride None </Directory> <Directory /var/www/html/test> Options +ExecCGI AddHandler cgi-script .cgi .py Order allow,deny Allow from all </Directory> ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/ <Directory "/usr/lib/cgi-bin"> AllowOverride None Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch Order allow,deny Allow from all </Directory>

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