Python - passing arguments via browser (HTTP GET)

Question

I am trying to pass an argument to a python script via HTTP

e.g. http://www.domain.com/script.py?param=value

in some examples, I can see people using the cgi.FieldStorage() function to retrieve the GET parameters, but I cannot make it work

this is my code:

import cgi

print "Content-type: text/html\n"
arguments = cgi.FieldStorage()
print arguments

by making the http request either by the browser or via commandline with wget, this is the output I get for the object arguments:

FieldStorage(None, None, [])

which doesn't seem to store the GET parameter

what am I missing?

Change your print statement so that its correct: print "Content-Type: text/html\n\n" - and then check it again. — Burhan Khalid
– Burhan Khalid, Commented Apr 29, 2013 at 5:09
Instead of CGI which is ancient, basic, and slow, consider using something lightweight but higher-level, like web.py or flask. — 9000
– 9000, Commented Apr 29, 2013 at 16:05

Daniele B · Accepted Answer · 2013-04-29 15:07:30Z

1

in this way, it works!

import os, cgi

print "Content-Type: text/html\n"

query = os.environ.get('QUERY_STRING')
arguments = cgi.parse_qs(query) if query else {}
print arguments

answered Apr 29, 2013 at 15:07

Daniele B

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