tobiko/tobiko/http/_session.py

71 lines
2.4 KiB
Python

# Copyright (c) 2019 Red Hat, Inc.
#
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import absolute_import
import collections
import functools
import requests
from urllib3 import poolmanager
from tobiko.http import _connection
def get_http_session(ssh_client=None):
return setup_http_session(session=requests.Session(),
ssh_client=ssh_client)
def setup_http_session(session, ssh_client=None):
for adapter in session.adapters.values():
manager = adapter.poolmanager
manager.pool_classes_by_scheme = pool_classes_by_scheme.copy()
manager.key_fn_by_scheme = key_fn_by_scheme.copy()
manager.connection_pool_kw['ssh_client'] = ssh_client
return session
# pylint: disable=protected-access
# All known keyword arguments that could be provided to the pool manager, its
# pools, or the underlying connections. This is used to construct a pool key.
_key_fields = tuple(poolmanager._key_fields) + ('key_ssh_client',)
class PoolKey(collections.namedtuple("PoolKey", _key_fields)): # type: ignore
"""The namedtuple class used to construct keys for the connection pool.
All custom key schemes should include the fields in this key at a minimum.
"""
#: A dictionary that maps a scheme to a callable that creates a pool key.
#: This can be used to alter the way pool keys are constructed, if desired.
#: Each PoolManager makes a copy of this dictionary so they can be configured
#: globally here, or individually on the instance.
key_fn_by_scheme = {
"http": functools.partial(poolmanager._default_key_normalizer,
PoolKey),
"https": functools.partial(poolmanager._default_key_normalizer,
PoolKey),
}
# pylint: enable=protected-access
pool_classes_by_scheme = {"http": _connection.HTTPConnectionPool,
"https": _connection.HTTPSConnectionPool}