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https://github.com/searxng/searxng.git
synced 2024-11-04 20:30:11 +01:00
Merge pull request #261 from dalf/upgrade_httpx
[upd] upgrade httpx 0.19.0
This commit is contained in:
commit
dc74df3a55
@ -7,10 +7,10 @@ lxml==4.6.3
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pygments==2.10.0
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python-dateutil==2.8.2
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pyyaml==5.4.1
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httpx[http2]==0.17.1
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httpx[http2]==0.19.0
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Brotli==1.0.9
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uvloop==0.16.0; python_version >= '3.7'
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uvloop==0.14.0; python_version < '3.7'
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httpx-socks[asyncio]==0.3.1
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httpx-socks[asyncio]==0.4.1
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langdetect==1.0.9
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setproctitle==1.2.2
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@ -74,9 +74,11 @@ def get_request_exception_messages(exc: HTTPError)\
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status_code = None
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reason = None
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hostname = None
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if hasattr(exc, 'request') and exc.request is not None:
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if hasattr(exc, '_request') and exc._request is not None:
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# exc.request is property that raise an RuntimeException
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# if exc._request is not defined.
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url = exc.request.url
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if url is None and hasattr(exc, 'response') and exc.respones is not None:
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if url is None and hasattr(exc, 'response') and exc.response is not None:
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url = exc.response.url
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if url is not None:
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hostname = url.host
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@ -166,7 +166,7 @@ async def stream_chunk_to_queue(network, queue, method, url, **kwargs):
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async for chunk in response.aiter_raw(65536):
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if len(chunk) > 0:
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queue.put(chunk)
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except httpx.ResponseClosed:
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except httpx.StreamClosed:
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# the response was queued before the exception.
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# the exception was raised on aiter_raw.
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# we do nothing here: in the finally block, None will be queued
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@ -5,6 +5,7 @@
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import asyncio
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import logging
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import threading
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import httpcore
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import httpx
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from httpx_socks import AsyncProxyTransport
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@ -26,19 +27,22 @@ else:
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uvloop.install()
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logger = logger.getChild('searx.http.client')
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logger = logger.getChild('searx.network.client')
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LOOP = None
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SSLCONTEXTS = {}
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TRANSPORT_KWARGS = {
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'backend': 'asyncio',
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# use anyio :
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# * https://github.com/encode/httpcore/issues/344
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# * https://github.com/encode/httpx/discussions/1511
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'backend': 'anyio',
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'trust_env': False,
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}
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# pylint: disable=protected-access
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async def close_connections_for_url(
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connection_pool: httpcore.AsyncConnectionPool,
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url: httpcore._utils.URL ):
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connection_pool: httpcore.AsyncConnectionPool, url: httpcore._utils.URL
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):
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origin = httpcore._utils.url_to_origin(url)
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logger.debug('Drop connections for %r', origin)
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@ -47,7 +51,7 @@ async def close_connections_for_url(
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await connection_pool._remove_from_pool(connection)
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try:
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await connection.aclose()
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except httpcore.NetworkError as e:
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except httpx.NetworkError as e:
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logger.warning('Error closing an existing connection', exc_info=e)
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# pylint: enable=protected-access
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@ -59,80 +63,78 @@ def get_sslcontexts(proxy_url=None, cert=None, verify=True, trust_env=True, http
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return SSLCONTEXTS[key]
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class AsyncHTTPTransportNoHttp(httpcore.AsyncHTTPTransport):
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class AsyncHTTPTransportNoHttp(httpx.AsyncHTTPTransport):
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"""Block HTTP request"""
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async def arequest(self, method, url, headers=None, stream=None, ext=None):
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raise httpcore.UnsupportedProtocol("HTTP protocol is disabled")
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async def handle_async_request(
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self, method, url, headers=None, stream=None, extensions=None
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):
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raise httpx.UnsupportedProtocol('HTTP protocol is disabled')
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class AsyncProxyTransportFixed(AsyncProxyTransport):
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"""Fix httpx_socks.AsyncProxyTransport
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Map python_socks exceptions to httpcore.ProxyError
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Map python_socks exceptions to httpx.ProxyError / httpx.ConnectError
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Map socket.gaierror to httpcore.ConnectError
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Note: keepalive_expiry is ignored, AsyncProxyTransport should call:
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* self._keepalive_sweep()
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* self._response_closed(self, connection)
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Map socket.gaierror to httpx.ConnectError
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Note: AsyncProxyTransport inherit from AsyncConnectionPool
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Note: the API is going to change on httpx 0.18.0
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see https://github.com/encode/httpx/pull/1522
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"""
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async def arequest(self, method, url, headers=None, stream=None, ext=None):
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async def handle_async_request(
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self, method, url, headers=None, stream=None, extensions=None
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):
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retry = 2
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while retry > 0:
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retry -= 1
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try:
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return await super().arequest(method, url, headers, stream, ext)
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return await super().handle_async_request(
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method, url, headers=headers, stream=stream, extensions=extensions
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)
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except (ProxyConnectionError, ProxyTimeoutError, ProxyError) as e:
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raise httpcore.ProxyError(e)
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raise httpx.ProxyError from e
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except OSError as e:
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# socket.gaierror when DNS resolution fails
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raise httpcore.NetworkError(e)
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except httpcore.RemoteProtocolError as e:
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# in case of httpcore.RemoteProtocolError: Server disconnected
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await close_connections_for_url(self, url)
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logger.warning('httpcore.RemoteProtocolError: retry', exc_info=e)
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# retry
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except (httpcore.NetworkError, httpcore.ProtocolError) as e:
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# httpcore.WriteError on HTTP/2 connection leaves a new opened stream
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raise httpx.ConnectError from e
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except httpx.NetworkError as e:
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# httpx.WriteError on HTTP/2 connection leaves a new opened stream
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# then each new request creates a new stream and raise the same WriteError
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await close_connections_for_url(self, url)
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raise e
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except httpx.RemoteProtocolError as e:
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# in case of httpx.RemoteProtocolError: Server disconnected
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await close_connections_for_url(self, url)
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logger.warning('httpx.RemoteProtocolError: retry', exc_info=e)
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# retry
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class AsyncHTTPTransportFixed(httpx.AsyncHTTPTransport):
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"""Fix httpx.AsyncHTTPTransport"""
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async def arequest(self, method, url, headers=None, stream=None, ext=None):
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async def handle_async_request(
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self, method, url, headers=None, stream=None, extensions=None
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):
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retry = 2
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while retry > 0:
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retry -= 1
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try:
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return await super().arequest(method, url, headers, stream, ext)
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return await super().handle_async_request(
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method, url, headers=headers, stream=stream, extensions=extensions
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)
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except OSError as e:
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# socket.gaierror when DNS resolution fails
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raise httpcore.ConnectError(e)
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except httpcore.CloseError as e:
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# httpcore.CloseError: [Errno 104] Connection reset by peer
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# raised by _keepalive_sweep()
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# from https://github.com/encode/httpcore/blob/4b662b5c42378a61e54d673b4c949420102379f5/httpcore/_backends/asyncio.py#L198 # pylint: disable=line-too-long
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await close_connections_for_url(self._pool, url)
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logger.warning('httpcore.CloseError: retry', exc_info=e)
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# retry
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except httpcore.RemoteProtocolError as e:
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# in case of httpcore.RemoteProtocolError: Server disconnected
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await close_connections_for_url(self._pool, url)
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logger.warning('httpcore.RemoteProtocolError: retry', exc_info=e)
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# retry
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except (httpcore.ProtocolError, httpcore.NetworkError) as e:
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raise httpx.ConnectError from e
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except httpx.NetworkError as e:
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# httpx.WriteError on HTTP/2 connection leaves a new opened stream
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# then each new request creates a new stream and raise the same WriteError
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await close_connections_for_url(self._pool, url)
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raise e
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except httpx.RemoteProtocolError as e:
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# in case of httpx.RemoteProtocolError: Server disconnected
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await close_connections_for_url(self._pool, url)
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logger.warning('httpx.RemoteProtocolError: retry', exc_info=e)
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# retry
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def get_transport_for_socks_proxy(verify, http2, local_address, proxy_url, limit, retries):
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@ -178,15 +180,6 @@ def get_transport(verify, http2, local_address, proxy_url, limit, retries):
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)
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def iter_proxies(proxies):
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# https://www.python-httpx.org/compatibility/#proxy-keys
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if isinstance(proxies, str):
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yield 'all://', proxies
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elif isinstance(proxies, dict):
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for pattern, proxy_url in proxies.items():
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yield pattern, proxy_url
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def new_client(
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# pylint: disable=too-many-arguments
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enable_http, verify, enable_http2,
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@ -199,8 +192,8 @@ def new_client(
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)
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# See https://www.python-httpx.org/advanced/#routing
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mounts = {}
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for pattern, proxy_url in iter_proxies(proxies):
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if not enable_http and (pattern == 'http' or pattern.startswith('http://')):
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for pattern, proxy_url in proxies.items():
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if not enable_http and pattern.startswith('http://'):
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continue
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if (proxy_url.startswith('socks4://')
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or proxy_url.startswith('socks5://')
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@ -138,12 +138,10 @@ class Network:
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request = response.request
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status = f"{response.status_code} {response.reason_phrase}"
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response_line = f"{response.http_version} {status}"
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if hasattr(response, "_elapsed"):
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elapsed_time = f"{response.elapsed.total_seconds()} sec"
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else:
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elapsed_time = "stream"
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content_type = response.headers.get("Content-Type")
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content_type = f' ({content_type})' if content_type else ''
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self._logger.debug(
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f'HTTP Request: {request.method} {request.url} "{response_line}" ({elapsed_time})'
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f'HTTP Request: {request.method} {request.url} "{response_line}"{content_type}'
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)
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def get_client(self, verify=None, max_redirects=None):
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