Python Jenkins API Auth

jenkins-api.py

#!/usr/bin/env python

import base64
import os
import urllib2

username = os.environ['user']
password = os.environ['password']


# http://stackoverflow.com/questions/16907684/fetching-a-url-from-a-basic-auth-protected-jenkins-server-with-urllib2
class PreemptiveBasicAuthHandler(urllib2.HTTPBasicAuthHandler):
    '''Preemptive basic auth.

    Instead of waiting for a 403 to then retry with the credentials,
    send the credentials if the url is handled by the password manager.
    Note: please use realm=None when calling add_password.'''
    def http_request(self, req):
        url = req.get_full_url()
        realm = None
        # this is very similar to the code from retry_http_basic_auth()
        # but returns a request object.
        user, pw = self.passwd.find_user_password(realm, url)
        if pw:
            raw = "%s:%s" % (user, pw)
            auth = 'Basic %s' % base64.b64encode(raw).strip()
            req.add_unredirected_header(self.auth_header, auth)
        return req

    https_request = http_request

auth_handler = PreemptiveBasicAuthHandler()
auth_handler.add_password(None, "jenkins.tomologic.net", username, password)

urllib2.install_opener(urllib2.build_opener(auth_handler))

try:
    response = urllib2.urlopen("http://jenkins.localhost/job/example/config.xml")
    print response.read()
except urllib2.HTTPError, e:
    print e.code
    print e.header