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05-15-2007
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Python, HTML, and Unix
Hi Experts,
This may be the wrong category for posting my question, or it could be the perfect category to post. I have no idea how difficult my problem is. I have python 2.3 installed in my server machine. I am trying to create a web page with python script in it. Now this can be a .html page with python embedded in it, or it could be a .py page with html embedded in it. Whatever it is, it's okay. I cannot use python templates like Kid, Spyce, etc., because my System Admin will not install new software into the machine (it's a 64 bit, cluster server, and he is very possessive about it). I have the CentOS operating system (a version of Red Hat Linux Enterprise). I followed the simple instructions given online, and created a page called trial.py with the following code in it: #!/usr/bin/python print "Content-type: text/html\n\n" print "Hello World!!! <br />" print "this is on the next line because of the line break above" saved it into the public_html folder, and did $chmod 777 trial.py. Now, when I access this page from the browser (firefox) I get the display on the page to be the exact same code that I had written. That is, the page shows me: #!/usr/bin/python print "Content-type: text/html\n\n" print "Hello World!!! <br />" print "this is on the next line because of the line break above" Now, the path to python, is /usr/bin/python. I have verified this with $which python, and I also have some python programs running with crontab that use this path, /usr/bin/python. I changed the file name to trial.cgi, did $chmod 777 trial.cgi, and use firefox to go to it, and I get a 403 Forbidden message saying "You don't have permission to access /~davidfrank/trial.cgi on this server". So, I tried the other way around. I created a page called new.html, and once again followed the instructions in another online place and wrote the code as: <html> <body> <script language="python2.3"> <!-- print "hello world!" import string, re --> </script> </body> </html> I again saved this into the public_html folder and did $chmod 777 new.html. Now when I access this page from the web browser (firefox), I get nothing on the display. The page is blank. Please please do help me out. What am I doing wrong?! Is there a tutorial on this. Once again, I cannot use a framework like Kid or Spyce. I have to use the coding that is similar to other scripting languages. I do not know if the server has Apache or CGI. I am guessing that my server uses Apache since several of the associated web addresses that have the same owners and name servers do use apache. So, now I create this .htaccess file (chmod 777) with the content as: Options +ExecCGI AddHandler cgi-script .py and store it in the public_html folder (this has all the web page files for my username), but no effect. So, I try out the following content: Options +ExecCGI AddHandler cgi-script cgi pl but still no effect. Then finally, I try out: Options +ExecCGI AddHandler cgi-script and no effect after that too. I am at a complete loss now. If someone could please tell me what I am doing wrong or what I should do to get this working, I would truly appreciate it! Thank you for your time and effort. |
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05-16-2007
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Yes, 'tis easy
Hi Davidfrank,
Yes this is an easy one, but you were along the right lines at the end of the post anyway - you were almost there! You're going to have to speak to your sysadmin to make a one line change in his httpd.conf for this apache instance. Basically there's a line says "AllowOverride None" - get him to delete that and do a reload of apache, then your .htaccess should take effect, the important bits in there is the +ExecCGI and the AddHandler cgi-script .py - this ensures that any .py files in the current directory will be run through whatever's specified on the shebang line (#! at the top). For this to work, you'll go with your first approach, creating trial.py and putting your python code in there. The second approach (create a .html with some script tags in) won't work here. Hope this helps, Craig |
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