Python Script to estimate number of results in a google search. Also supports site: and inurl: queries.

countgoogle.py

#!/usr/bin/python
import sys
from optparse import OptionParser
import json
import urllib

def calculate(searchfor):
  query = urllib.urlencode({'q': searchfor})
  url = 'http://ajax.googleapis.com/ajax/services/search/web?v=2.0&%s' % query
  search_response = urllib.urlopen(url)
  search_results = search_response.read()
  results = json.loads(search_results)
  data = results['responseData']
  print 'Total Estimated Results: %s' % data['cursor']['estimatedResultCount']

def main():
    parser = OptionParser("""%prog --q <keyword> --site <http://example.com> --inurl <blog>""")

    pao = parser.add_option
    pao("--q", action="store")
    pao("--site", action="store")
    pao("--inurl", action="store")

    (options, args) = parser.parse_args()

    if not options.q:
        if not options.site:
            sys.exit(parser.get_usage())

    if options.q:
        params = options.q

    if options.site:
        params = 'site:' + options.site

    if options.inurl:
        params += ' inurl:' + options.inurl

    calculate(params)

if __name__ == '__main__':
    main()