http://stackoverflow.com/questions/11322430/python-how-to-se

from urllib import parse, request
params = parse.urlencode({'@number': 12524, '@type': 'issue', '@action': 'show'})
headers = {"Content-type": "application/x-www-form-urlencoded",
           "Accept": "text/plain"}
req = request.Request("http://bugs.python.org", params.encode('ascii'), headers)
response = request.urlopen(req)