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# Copyright (c) 2023-2024, Zexin He
#
# 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
#
# https://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.
import os
NO_PROXY = "OPENLRM_NO_DATA_PROXY" in os.environ
def no_proxy(func):
"""Decorator to disable proxy but then restore after the function call."""
def wrapper(*args, **kwargs):
# http_proxy, https_proxy, HTTP_PROXY, HTTPS_PROXY, all_proxy
http_proxy = os.environ.get('http_proxy')
https_proxy = os.environ.get('https_proxy')
HTTP_PROXY = os.environ.get('HTTP_PROXY')
HTTPS_PROXY = os.environ.get('HTTPS_PROXY')
all_proxy = os.environ.get('all_proxy')
os.environ['http_proxy'] = ''
os.environ['https_proxy'] = ''
os.environ['HTTP_PROXY'] = ''
os.environ['HTTPS_PROXY'] = ''
os.environ['all_proxy'] = ''
try:
return func(*args, **kwargs)
finally:
os.environ['http_proxy'] = http_proxy
os.environ['https_proxy'] = https_proxy
os.environ['HTTP_PROXY'] = HTTP_PROXY
os.environ['HTTPS_PROXY'] = HTTPS_PROXY
os.environ['all_proxy'] = all_proxy
if NO_PROXY:
return wrapper
else:
return func
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