api wrapper for google translate

gistfile1.py

#!/usr/bin/env python
## index.cgi

import cgitb
cgitb.enable()

import os
import urllib
import urllib2
import web


## grab Google Translate API KEY
f = open("apikey.txt", "r")
API_KEY = unicode(f.readline()[:-1])
f.close()


def translate(phrase, tolang=False, fromlang=False):
    bad_input = "Invalid input."
    bad_input += "\nExamples:\n\n"
    bad_input += "/tr/to_lang/phrase\n"
    bad_input += "/tr/to_lang/from_lang/phrase"

    ## sanity checks
    if (tolang and len(tolang) != 2) or (fromlang and len(fromlang) != 2):
        print bad_input
        print "A"
        return

    ## start formulating the API
    url = "https://www.googleapis.com/language/translate/v2?key={0}"
    url = url.format(API_KEY)
    url += "&q=" + (phrase).encode('utf-8')

    url += "&target="
    if not tolang:
        tolang = "en"
    url += tolang

    if fromlang:
        url += "&source=" + fromlang

    url = (url).encode('utf-8')
    url = web.decode(url)
    data = urllib2.urlopen(url).read()
    print data
    #except urllib2.HTTPError:
    #    print bad_input
    #    print "B"
    #    return


def main():
    print "Content-Type: text/html\n"
    incoming = os.environ.get('REQUEST_URI', '/').split('/')
    if len(incoming) == 3:
        translate(incoming[-1])
    elif len(incoming) == 4:
        translate(incoming[-1], incoming[-2])
    elif len(incoming) == 5:
        translate(incoming[-1], incoming[-3], incoming[-2])
    elif len(incoming) > 5:
        phrase = '%20'.join(incoming[3:])
        translate(phrase, incoming[2], incoming[3])

if __name__ == "__main__":
    main()