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[pylint] searx/network/client.py & add global (TRANSPORT_KWARGS)
No functional change! - fix messages from pylint - add ``global TRANSPORT_KWARGS`` - normalized python_socks imports Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser
parent
8033518899
commit
b595c482d0
1 changed files with 35 additions and 20 deletions
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@ -1,14 +1,19 @@
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# lint: pylint
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# pylint: disable=missing-module-docstring, missing-function-docstring, global-statement
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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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from python_socks import parse_proxy_url
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import python_socks._errors
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from python_socks import (
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parse_proxy_url,
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ProxyConnectionError,
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ProxyTimeoutError,
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ProxyError
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)
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from searx import logger
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@ -30,7 +35,11 @@ TRANSPORT_KWARGS = {
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}
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async def close_connections_for_url(connection_pool: httpcore.AsyncConnectionPool, url: httpcore._utils.URL):
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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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origin = httpcore._utils.url_to_origin(url)
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logger.debug('Drop connections for %r', origin)
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connections_to_close = connection_pool._connections_for_origin(origin)
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@ -40,6 +49,7 @@ async def close_connections_for_url(connection_pool: httpcore.AsyncConnectionPoo
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await connection.aclose()
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except httpcore.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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def get_sslcontexts(proxy_url=None, cert=None, verify=True, trust_env=True, http2=False):
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@ -80,9 +90,7 @@ class AsyncProxyTransportFixed(AsyncProxyTransport):
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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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except (python_socks._errors.ProxyConnectionError,
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python_socks._errors.ProxyTimeoutError,
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python_socks._errors.ProxyError) as e:
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except (ProxyConnectionError, ProxyTimeoutError, ProxyError) as e:
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raise httpcore.ProxyError(e)
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except OSError as e:
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# socket.gaierror when DNS resolution fails
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@ -114,7 +122,7 @@ class AsyncHTTPTransportFixed(httpx.AsyncHTTPTransport):
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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 # noqa
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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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@ -129,6 +137,7 @@ class AsyncHTTPTransportFixed(httpx.AsyncHTTPTransport):
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def get_transport_for_socks_proxy(verify, http2, local_address, proxy_url, limit, retries):
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global TRANSPORT_KWARGS
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# support socks5h (requests compatibility):
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# https://requests.readthedocs.io/en/master/user/advanced/#socks
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# socks5:// hostname is resolved on client side
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@ -156,14 +165,18 @@ def get_transport_for_socks_proxy(verify, http2, local_address, proxy_url, limit
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def get_transport(verify, http2, local_address, proxy_url, limit, retries):
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global TRANSPORT_KWARGS
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verify = get_sslcontexts(None, None, True, False, http2) if verify is True else verify
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return AsyncHTTPTransportFixed(verify=verify,
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http2=http2,
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local_address=local_address,
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proxy=httpx._config.Proxy(proxy_url) if proxy_url else None,
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limits=limit,
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retries=retries,
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**TRANSPORT_KWARGS)
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return AsyncHTTPTransportFixed(
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# pylint: disable=protected-access
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verify=verify,
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http2=http2,
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local_address=local_address,
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proxy=httpx._config.Proxy(proxy_url) if proxy_url else None,
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limits=limit,
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retries=retries,
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**TRANSPORT_KWARGS
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)
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def iter_proxies(proxies):
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@ -175,9 +188,11 @@ def iter_proxies(proxies):
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yield pattern, proxy_url
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def new_client(enable_http, verify, enable_http2,
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max_connections, max_keepalive_connections, keepalive_expiry,
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proxies, local_address, retries, max_redirects):
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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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max_connections, max_keepalive_connections, keepalive_expiry,
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proxies, local_address, retries, max_redirects ):
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limit = httpx.Limits(max_connections=max_connections,
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max_keepalive_connections=max_keepalive_connections,
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keepalive_expiry=keepalive_expiry)
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@ -217,12 +232,12 @@ def init():
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LOOP = asyncio.new_event_loop()
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LOOP.run_forever()
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th = threading.Thread(
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thread = threading.Thread(
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target=loop_thread,
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name='asyncio_loop',
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daemon=True,
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)
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th.start()
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thread.start()
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init()
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