def create_gtasks_service_proxy(cls):
auth_service = AuthenticationService()
authorized_http = auth_service.authenticate_connection()
gtasks_service_proxy = apiclient.discovery.build("tasks", "v1",
http=authorized_http)
return gtasks_service_proxy
def start(self):
"""
Begin the CogGrinder application by authenticating the user, and then
creating and starting the controller for the primary app view.
"""
main_controller = TaskTreeWindowController()
# With the UI built, attempt to access the authentication credentials
# for the user. If those credentials cannot be found, prompt the user
# for permission to proceed with the Google OpenID authentication
# process.
auth_service = AuthenticationService()
while not auth_service.has_valid_credentials():
# Local credentials are either missing or invalid, notify the user
# that an attempt will be made to authenticate them.
auth_dialog_controller = AuthenticationDialogViewController(main_controller)
user_choice = auth_dialog_controller.show_dialog()
if user_choice == Gtk.ResponseType.CANCEL:
# User has canceled the authentication process, and the
# app cannot proceed.
main_controller.view.destroy()
return
else:
# Delete the old dialog.
auth_dialog_controller.delete_dialog()
# Create an authenticated connection for use in communicating with
# the Google Task services. If the user doesn't have valid local
# credentials, this will begin with running them
# through the Google Accounts authentication process.
auth_http_connection = auth_service.authenticate_connection()
gtasks_service_proxy = GoogleTasksServiceProxy(auth_http_connection)
tasklist_service = gtasks_service_proxy.create_tasklist_service()
task_service = gtasks_service_proxy.create_task_service()
tasktree_service = TaskTreeService()
tasktree_service.tasklist_service = tasklist_service
tasktree_service.task_service = task_service
main_controller.tasktree_service = tasktree_service
main_controller.refresh_task_data()
main_controller.show()
Gtk.main()