submit_sitemap.py

import httplib2
import os

from apiclient.discovery import build
from oauth2client.client import OAuth2WebServerFlow

# Copy your credentials from the console
CLIENT_ID = os.environ['CLIENT_ID']
CLIENT_SECRET = os.environ['CLIENT_SECRET']

# Check https://developers.google.com/webmaster-tools/search-console-api-original/v3/ for all available scopes
OAUTH_SCOPE = 'https://www.googleapis.com/auth/webmasters'

# Redirect URI for installed apps
REDIRECT_URI = 'urn:ietf:wg:oauth:2.0:oob'

# Run through the OAuth flow and retrieve credentials
flow = OAuth2WebServerFlow(CLIENT_ID, CLIENT_SECRET, OAUTH_SCOPE, REDIRECT_URI)
authorize_url = flow.step1_get_authorize_url()
print 'Go to the following link in your browser: ' + authorize_url
code = raw_input('Enter verification code: ').strip()
credentials = flow.step2_exchange(code)

# Create an httplib2.Http object and authorize it with our credentials
http = httplib2.Http()
http = credentials.authorize(http)

webmasters_service = build('webmasters', 'v3', http=http)

# Retrieve list of properties in account
site_list = webmasters_service.sites().list().execute()

# Printing the URLs of all websites you are verified for.
sitemaps = webmasters_service.sitemaps().submit(
    siteUrl='https://www.kieranbamforth.me',
    feedpath='https://www.kieranbamforth.me/blog/sitemap.xml'
).execute()