cgi - push a page from a select menu

Mon Jul 19 00:37:40 EDT 1999

Try:

import cgi

form = cgi.FieldStorage()
if form.has_key("select"):
    print "Location: %s" % (form['select'].value)
    print
else:
    print "Content-type: text/html"
    print
    print "<HTML><BODY><H1>What?</H1></BODY></HTML>"


----- Original Message ----- 
From: TMGB <bennettt at am.appstate.edu>
Newsgroups: comp.lang.python
To: <python-list at cwi.nl>
Sent: Monday, July 19, 1999 12:44 PM
Subject: cgi - push a page from a select menu


> I am trying to use python to receive a url from a form select menu and
> then send that page back to the browser.  All three of my attempts so
> far leave this error message on the web server: 
> 
> [18/Jul/1999:22:06:34] failure: for host ....library.appstate.edu trying
> to POST /CGI-NT_Python/goto.pyc, cgi-parse-output reports: the CGI
> program D:\...(path to python)\Python\python.exe did not produce a valid
> header (program terminated without a valid CGI header (check for core
> dump or other abnormal termination) 
> 
> I also get this on a web page for the third attempt: AttributeError:
> open_http 
> 
> The python paths are correct, I have another python form using these
> paths.  I would think that the urllib would send the url requested with
> its header( if I use it correctly).  I tried printing a header and still
> get this error.  The URL of the page with the selector is:
> 
> http://www.library.appstate.edu/saat/forms/test/
> 
> 
> # Author: Thomas McMillan Grant Bennett
> # webmaster at www.library.appstate.edu
> # Python script to accept a url from a form and go to that URL
> # Filename: goto.py
> 
> import cgi
> import urllib
> 
> form = cgi.FieldStorage()
> form_ok = 0
> if form.has_key("select"):
> 
> # third attempt
> #   html_page=urllib.open_http(form["select"].value)
> #   print html_page
> 
> # second attempt  
> #   html_page=urllib.urlretrieve(form["select"].value)
> #   print html_page
> 
> # first attempt
> #   print(read(urllib.urlopen(form["select"].value)))
>    
> 
> 
> ----------------------------------------------------------------------
> Thomas McMillan Grant Bennett           Appalachian State University
> Computer Consultant II                  University Library
> bennettt at am.appstate.edu               
> http://www.library.appstate.edu/admin/
> Voice:  828 262 6587 FAX:    828 262 3001
> 
> Windows 95 is a 32-bit extension to a 16-bit patch for an 8-bit
> operating system that was originally coded for a 4-bit microprocessor.
>  - Chris Dunphy     Boot Magazine
> 
> 
>