156 In order to make authenticated requests in the App Engine environment using the
160 #. If you are using the :mod:`google.auth.transport.requests` transport, vendor
161    in the `requests-toolbelt`_ library into your app, and enable the App Engine
184     https://cloud.google.com/appengine/docs/standard/python/issue-requests
212 for integrating with `requests-oauthlib`_ to provide support for obtaining
223 2.0 Authorization Grant Flow to obtain credentials using `requests-oauthlib`_.
232     https://requests-oauthlib.readthedocs.io/en/latest/
447     from google.auth.transport import requests
474     downscoped_credentials.refresh(requests.Request())
483 requests to that broker for downscoped tokens to access or modify specific google
496     from google.auth.transport import requests
500     # The `get_token_from_broker` callable requests a token and an expiry
503         requests.Request(),
575     import google.auth.transport.requests
579     request = google.auth.transport.requests.Request()
602     import google.auth.transport.requests
604     request = google.auth.transport.requests.Request()
618     request = google.auth.transport.requests.Request()
630     import google.auth.transport.requests
631     from google.auth.transport.requests import AuthorizedSession
647     request = google.auth.transport.requests.Request()
659 Making authenticated requests
663 use this transport to make authenticated requests to APIs. google-auth supports
667 Requests  section in Making authenticated requests
670 The recommended HTTP transport is :mod:`google.auth.transport.requests` which
671 uses the `Requests`_ library. To make authenticated requests using Requests
674     from google.auth.transport.requests import AuthorizedSession
681 .. _Requests: http://docs.python-requests.org/en/master/
682 .. _Session: http://docs.python-requests.org/en/master/user/advanced/#session-objects
687 :mod:`urllib3` is the underlying HTTP library used by Requests and can also be  argument
688 used with google-auth. urllib3's interface isn't as high-level as Requests but
690 requests are made. To make authenticated requests using urllib3 create an
716     import google.auth.transport.requests
718     http_request = google.auth.transport.requests.Request()
725     types need to make HTTP requests in order to refresh their access token.
726     The sample above uses the Requests transport, but any HTTP transport can
728     make HTTP requests in order to refresh (as is the case with
752 You can use this channel to make a gRPC stub that makes authenticated requests