server_api.py 文件源码

def get_credentials(handler=None):
    home_dir = os.path.expanduser('~')
    credential_dir = os.path.join(home_dir, '.credentials')
    if not os.path.exists(credential_dir):
        os.makedirs(credential_dir)
    credential_path = os.path.join(credential_dir,
        'google-api-quickstart.json')
    store = Storage(credential_path)
    credentials = store.get()
    if not credentials or credentials.invalid:
        flow = client.flow_from_clientsecrets(filename=CLIENT_SECRET_FILE,scope=SCOPES,redirect_uri=redirect_url)
        url = flow.step1_get_authorize_url()
        if handler:
            handler.redirect(url)
        else:
            return None
    return credentials