# --------------------------------------------------------------------------
#
# Copyright (c) Microsoft Corporation. All rights reserved.
#
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the ""Software""), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
# --------------------------------------------------------------------------
from typing import Any, Callable, Optional
from azure.core.exceptions import TooManyRedirectsError
from . import AsyncHTTPPolicy
from ._redirect import RedirectPolicy
[docs]class AsyncRedirectPolicy(RedirectPolicy, AsyncHTTPPolicy):
"""An async redirect policy.
An async redirect policy in the pipeline can be configured directly or per operation.
:keyword bool permit_redirects: Whether the client allows redirects. Defaults to True.
:keyword int redirect_max: The maximum allowed redirects. Defaults to 30.
.. admonition:: Example:
.. literalinclude:: ../samples/test_example_async.py
:start-after: [START async_redirect_policy]
:end-before: [END async_redirect_policy]
:language: python
:dedent: 4
:caption: Configuring an async redirect policy.
"""
[docs] async def send(self, request): # pylint:disable=invalid-overridden-method
"""Sends the PipelineRequest object to the next policy.
Uses redirect settings to send the request to redirect endpoint if necessary.
:param request: The PipelineRequest object
:type request: ~azure.core.pipeline.PipelineRequest
:return: Returns the PipelineResponse or raises error if maximum redirects exceeded.
:rtype: ~azure.core.pipeline.PipelineResponse
:raises: ~azure.core.exceptions.TooManyRedirectsError if maximum redirects exceeded.
"""
redirects_remaining = True
redirect_settings = self.configure_redirects(request.context.options)
while redirects_remaining:
response = await self.next.send(request)
redirect_location = self.get_redirect_location(response)
if redirect_location and redirect_settings['allow']:
redirects_remaining = self.increment(redirect_settings, response, redirect_location)
request.http_request = response.http_request
continue
return response
raise TooManyRedirectsError(redirect_settings['history'])