def StoreCalendarSessionToken(relative_url):
"""Extract calendar auth tokens from url and store them in the datastore.
Args:
relative_url: The url that was called by the calendar token system with
token information in it.
"""
# Get auth token from url.
auth_token = auth.extract_auth_sub_token_from_url(relative_url)
assert auth_token
# Upgrade to session token.
calendar_client = calendar_service.CalendarService()
gdata_appengine.run_on_appengine(calendar_client, store_tokens=False,
single_user_mode=True, deadline=10)
session_token = calendar_client.upgrade_to_session_token(auth_token)
assert session_token
# Write session token to datastore.
session_token_str = session_token.get_token_string()
config = models.Configuration(key_name=_CALENDAR_TOKEN_KEY_NAME,
config_value=session_token_str,
config_key=_CALENDAR_TOKEN_KEY_NAME)
config.put()
# Refresh memcache session token and make sure a usable calendar client can be
# created.
calendar_client = _GetCalendarService(refresh_memcache=True)
assert calendar_client is not None
