mirror of https://github.com/searx/searx
[enh] replace requests by httpx
This commit is contained in:
Alexandre Flament
Noémi Ványi
parent
4415d25485
commit
88a96baedc
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@ -8,5 +8,10 @@ lxml==4.6.3
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pygments==2.8.0
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python-dateutil==2.8.1
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pyyaml==5.4.1
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requests[socks]==2.25.1
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httpx[http2]==0.17.1
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Brotli==1.0.9
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uvloop==0.15.2; 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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langdetect==1.0.8
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setproctitle==1.2.2
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@ -20,7 +20,8 @@ from lxml import etree
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from json import loads
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from urllib.parse import urlencode
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from requests import RequestException
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from httpx import HTTPError
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from searx import settings
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from searx.poolrequests import get as http_get
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@ -136,5 +137,5 @@ def search_autocomplete(backend_name, query, lang):
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try:
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return backend(query, lang)
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except (RequestException, SearxEngineResponseException):
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except (HTTPError, SearxEngineResponseException):
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return []
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@ -52,7 +52,7 @@ def response(resp):
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to_results.append(to_result.text_content())
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results.append({
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'url': urljoin(resp.url, '?%d' % k),
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'url': urljoin(str(resp.url), '?%d' % k),
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'title': from_result.text_content(),
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'content': '; '.join(to_results)
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})
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@ -4,7 +4,6 @@
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"""
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from json import loads, dumps
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from requests.auth import HTTPBasicAuth
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from searx.exceptions import SearxEngineAPIException
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@ -32,7 +31,7 @@ def request(query, params):
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return params
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if username and password:
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params['auth'] = HTTPBasicAuth(username, password)
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params['auth'] = (username, password)
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params['url'] = search_url
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params['method'] = 'GET'
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@ -10,7 +10,7 @@ Definitions`_.
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# pylint: disable=invalid-name, missing-function-docstring
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from urllib.parse import urlencode, urlparse
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from urllib.parse import urlencode
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from lxml import html
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from searx import logger
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from searx.utils import match_language, extract_text, eval_xpath, eval_xpath_list, eval_xpath_getindex
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@ -186,8 +186,7 @@ def get_lang_info(params, lang_list, custom_aliases):
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return ret_val
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def detect_google_sorry(resp):
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resp_url = urlparse(resp.url)
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if resp_url.netloc == 'sorry.google.com' or resp_url.path.startswith('/sorry'):
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if resp.url.host == 'sorry.google.com' or resp.url.path.startswith('/sorry'):
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raise SearxEngineCaptchaException()
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@ -3,7 +3,7 @@
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Seznam
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"""
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from urllib.parse import urlencode, urlparse
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from urllib.parse import urlencode
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from lxml import html
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from searx.poolrequests import get
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from searx.exceptions import SearxEngineAccessDeniedException
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@ -46,8 +46,7 @@ def request(query, params):
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def response(resp):
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resp_url = urlparse(resp.url)
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if resp_url.path.startswith('/verify'):
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if resp.url.path.startswith('/verify'):
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raise SearxEngineAccessDeniedException()
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results = []
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@ -5,7 +5,7 @@
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from json import loads
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from urllib.parse import urlencode
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import requests
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import searx.poolrequests as requests
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import base64
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# about
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@ -3,7 +3,7 @@
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Stackoverflow (IT)
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"""
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from urllib.parse import urlencode, urljoin, urlparse
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from urllib.parse import urlencode, urljoin
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from lxml import html
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from searx.utils import extract_text
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from searx.exceptions import SearxEngineCaptchaException
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@ -41,8 +41,7 @@ def request(query, params):
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# get response from search-request
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def response(resp):
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resp_url = urlparse(resp.url)
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if resp_url.path.startswith('/nocaptcha'):
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if resp.url.path.startswith('/nocaptcha'):
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raise SearxEngineCaptchaException()
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results = []
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@ -7,7 +7,7 @@ from json import loads
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from dateutil import parser
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from urllib.parse import urlencode
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from requests.auth import HTTPDigestAuth
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from httpx import DigestAuth
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from searx.utils import html_to_text
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@ -56,7 +56,7 @@ def request(query, params):
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search_type=search_type)
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if http_digest_auth_user and http_digest_auth_pass:
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params['auth'] = HTTPDigestAuth(http_digest_auth_user, http_digest_auth_pass)
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params['auth'] = DigestAuth(http_digest_auth_user, http_digest_auth_pass)
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# add language tag if specified
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if params['language'] != 'all':
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@ -3,7 +3,7 @@ import inspect
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import logging
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from json import JSONDecodeError
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from urllib.parse import urlparse
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from requests.exceptions import RequestException
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from httpx import HTTPError, HTTPStatusError
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from searx.exceptions import (SearxXPathSyntaxException, SearxEngineXPathException, SearxEngineAPIException,
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SearxEngineAccessDeniedException)
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from searx import logger
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@ -60,28 +60,28 @@ def get_trace(traces):
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return traces[-1]
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def get_hostname(exc: RequestException) -> typing.Optional[None]:
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def get_hostname(exc: HTTPError) -> typing.Optional[None]:
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url = exc.request.url
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if url is None and exc.response is not None:
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url = exc.response.url
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return urlparse(url).netloc
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def get_request_exception_messages(exc: RequestException)\
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def get_request_exception_messages(exc: HTTPError)\
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-> typing.Tuple[typing.Optional[str], typing.Optional[str], typing.Optional[str]]:
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url = None
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status_code = None
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reason = None
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hostname = None
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if exc.request is not None:
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if hasattr(exc, 'request') and exc.request is not None:
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url = exc.request.url
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if url is None and exc.response is not None:
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if url is None and hasattr(exc, 'response') and exc.respones 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 = str(urlparse(url).netloc)
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if exc.response is not None:
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hostname = url.host
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if isinstance(exc, HTTPStatusError):
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status_code = str(exc.response.status_code)
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reason = exc.response.reason
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reason = exc.response.reason_phrase
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return (status_code, reason, hostname)
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@ -92,7 +92,7 @@ def get_messages(exc, filename) -> typing.Tuple:
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return (str(exc), )
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if isinstance(exc, ValueError) and 'lxml' in filename:
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return (str(exc), )
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if isinstance(exc, RequestException):
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if isinstance(exc, HTTPError):
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return get_request_exception_messages(exc)
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if isinstance(exc, SearxXPathSyntaxException):
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return (exc.xpath_str, exc.message)
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@ -1,14 +1,54 @@
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import atexit
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import sys
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import threading
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import asyncio
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import logging
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import concurrent.futures
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from time import time
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from itertools import cycle
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from threading import local
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import requests
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import httpcore
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import httpx
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import h2.exceptions
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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 searx import settings
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from searx import logger
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from searx.raise_for_httperror import raise_for_httperror
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# Optional uvloop (support Python 3.6)
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try:
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import uvloop
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except ImportError:
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pass
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else:
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uvloop.install()
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# queue.SimpleQueue: Support Python 3.6
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try:
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from queue import SimpleQueue
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except ImportError:
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from queue import Empty
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from collections import deque
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class SimpleQueue:
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"""Minimal backport of queue.SimpleQueue"""
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def __init__(self):
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self._queue = deque()
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self._count = threading.Semaphore(0)
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def put(self, item):
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self._queue.append(item)
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self._count.release()
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def get(self, timeout=None):
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if not self._count.acquire(True, timeout):
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raise Empty
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return self._queue.popleft()
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logger = logger.getChild('poolrequests')
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@ -31,99 +71,63 @@ if not getattr(ssl, "HAS_SNI", False):
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sys.exit(1)
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class HTTPAdapterWithConnParams(requests.adapters.HTTPAdapter):
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def __init__(self, pool_connections=requests.adapters.DEFAULT_POOLSIZE,
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pool_maxsize=requests.adapters.DEFAULT_POOLSIZE,
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max_retries=requests.adapters.DEFAULT_RETRIES,
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pool_block=requests.adapters.DEFAULT_POOLBLOCK,
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**conn_params):
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if max_retries == requests.adapters.DEFAULT_RETRIES:
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self.max_retries = requests.adapters.Retry(0, read=False)
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else:
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self.max_retries = requests.adapters.Retry.from_int(max_retries)
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self.config = {}
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self.proxy_manager = {}
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super().__init__()
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self._pool_connections = pool_connections
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self._pool_maxsize = pool_maxsize
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self._pool_block = pool_block
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self._conn_params = conn_params
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self.init_poolmanager(pool_connections, pool_maxsize, block=pool_block, **conn_params)
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def __setstate__(self, state):
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# Can't handle by adding 'proxy_manager' to self.__attrs__ because
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# because self.poolmanager uses a lambda function, which isn't pickleable.
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self.proxy_manager = {}
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self.config = {}
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for attr, value in state.items():
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setattr(self, attr, value)
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self.init_poolmanager(self._pool_connections, self._pool_maxsize,
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block=self._pool_block, **self._conn_params)
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LOOP = None
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CLIENTS = dict()
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THREADLOCAL = threading.local()
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LIMITS = httpx.Limits(
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# Magic number kept from previous code
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max_connections=settings['outgoing'].get('pool_connections', 100),
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# Picked from constructor
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max_keepalive_connections=settings['outgoing'].get('pool_maxsize', 10),
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#
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keepalive_expiry=settings['outgoing'].get('keepalive_expiry', 5.0)
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)
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# default parameters for AsyncHTTPTransport
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# see https://github.com/encode/httpx/blob/e05a5372eb6172287458b37447c30f650047e1b8/httpx/_transports/default.py#L108-L121 # noqa
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TRANSPORT_KWARGS = {
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'http2': settings['outgoing'].get('http2', False),
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'retries': 0,
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'trust_env': False,
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'backend': 'asyncio'
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}
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# requests compatibility when reading proxy settings from settings.yml
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PROXY_PATTERN_MAPPING = {
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'http': 'https://',
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'https:': 'https://'
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}
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# default maximum redirect
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# from https://github.com/psf/requests/blob/8c211a96cdbe9fe320d63d9e1ae15c5c07e179f8/requests/models.py#L55
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DEFAULT_REDIRECT_LIMIT = 30
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threadLocal = local()
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connect = settings['outgoing'].get('pool_connections', 100) # Magic number kept from previous code
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maxsize = settings['outgoing'].get('pool_maxsize', requests.adapters.DEFAULT_POOLSIZE) # Picked from constructor
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if settings['outgoing'].get('source_ips'):
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http_adapters = cycle(HTTPAdapterWithConnParams(pool_connections=connect, pool_maxsize=maxsize,
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source_address=(source_ip, 0))
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for source_ip in settings['outgoing']['source_ips'])
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https_adapters = cycle(HTTPAdapterWithConnParams(pool_connections=connect, pool_maxsize=maxsize,
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source_address=(source_ip, 0))
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for source_ip in settings['outgoing']['source_ips'])
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LOCAL_ADDRESS_CYCLE = cycle(settings['outgoing'].get('source_ips'))
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else:
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http_adapters = cycle((HTTPAdapterWithConnParams(pool_connections=connect, pool_maxsize=maxsize), ))
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https_adapters = cycle((HTTPAdapterWithConnParams(pool_connections=connect, pool_maxsize=maxsize), ))
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class SessionSinglePool(requests.Session):
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def __init__(self):
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super().__init__()
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# reuse the same adapters
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self.adapters.clear()
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https_adapter = threadLocal.__dict__.setdefault('https_adapter', next(https_adapters))
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self.mount('https://', https_adapter)
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if get_enable_http_protocol():
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http_adapter = threadLocal.__dict__.setdefault('http_adapter', next(http_adapters))
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self.mount('http://', http_adapter)
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def close(self):
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"""Call super, but clear adapters since there are managed globaly"""
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self.adapters.clear()
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super().close()
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LOCAL_ADDRESS_CYCLE = cycle((None, ))
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def set_timeout_for_thread(timeout, start_time=None):
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threadLocal.timeout = timeout
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threadLocal.start_time = start_time
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THREADLOCAL.timeout = timeout
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THREADLOCAL.start_time = start_time
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def set_enable_http_protocol(enable_http):
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threadLocal.enable_http = enable_http
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THREADLOCAL.enable_http = enable_http
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def get_enable_http_protocol():
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try:
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return threadLocal.enable_http
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return THREADLOCAL.enable_http
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except AttributeError:
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return False
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def reset_time_for_thread():
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threadLocal.total_time = 0
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THREADLOCAL.total_time = 0
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def get_time_for_thread():
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return threadLocal.total_time
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return THREADLOCAL.total_time
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def get_proxy_cycles(proxy_settings):
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@ -152,22 +156,197 @@ def get_global_proxies():
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return get_proxies(GLOBAL_PROXY_CYCLES)
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async def close_connections_for_url(connection_pool: httpcore.AsyncConnectionPool, 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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for connection in connections_to_close:
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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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logger.warning('Error closing an existing connection', exc_info=e)
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class AsyncHTTPTransportNoHttp(httpcore.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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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 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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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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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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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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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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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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# 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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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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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)
|
||||
except OSError as e:
|
||||
# socket.gaierror when DNS resolution fails
|
||||
raise httpcore.ConnectError(e)
|
||||
except httpcore.CloseError as e:
|
||||
# httpcore.CloseError: [Errno 104] Connection reset by peer
|
||||
# raised by _keepalive_sweep()
|
||||
# from https://github.com/encode/httpcore/blob/4b662b5c42378a61e54d673b4c949420102379f5/httpcore/_backends/asyncio.py#L198 # noqa
|
||||
await close_connections_for_url(self._pool, url)
|
||||
logger.warning('httpcore.CloseError: retry', exc_info=e)
|
||||
# retry
|
||||
except httpcore.RemoteProtocolError as e:
|
||||
# in case of httpcore.RemoteProtocolError: Server disconnected
|
||||
await close_connections_for_url(self._pool, url)
|
||||
logger.warning('httpcore.RemoteProtocolError: retry', exc_info=e)
|
||||
# retry
|
||||
except (httpcore.ProtocolError, httpcore.NetworkError) as e:
|
||||
await close_connections_for_url(self._pool, url)
|
||||
raise e
|
||||
|
||||
|
||||
def get_transport_for_socks_proxy(verify, local_address, proxy_url):
|
||||
global LOOP, LIMITS, TRANSPORT_KWARGS
|
||||
# support socks5h (requests compatibility):
|
||||
# https://requests.readthedocs.io/en/master/user/advanced/#socks
|
||||
# socks5:// hostname is resolved on client side
|
||||
# socks5h:// hostname is resolved on proxy side
|
||||
rdns = False
|
||||
socks5h = 'socks5h://'
|
||||
if proxy_url.startswith(socks5h):
|
||||
proxy_url = 'socks5://' + proxy_url[len(socks5h):]
|
||||
rdns = True
|
||||
|
||||
proxy_type, proxy_host, proxy_port, proxy_username, proxy_password = parse_proxy_url(proxy_url)
|
||||
|
||||
return AsyncProxyTransportFixed(proxy_type=proxy_type, proxy_host=proxy_host, proxy_port=proxy_port,
|
||||
username=proxy_username, password=proxy_password,
|
||||
rdns=rdns,
|
||||
loop=LOOP,
|
||||
verify=verify,
|
||||
local_address=local_address,
|
||||
max_connections=LIMITS.max_connections,
|
||||
max_keepalive_connections=LIMITS.max_keepalive_connections,
|
||||
keepalive_expiry=LIMITS.keepalive_expiry,
|
||||
**TRANSPORT_KWARGS)
|
||||
|
||||
|
||||
def get_transport(verify, local_address, proxy_url):
|
||||
global LIMITS
|
||||
return AsyncHTTPTransportFixed(verify=verify,
|
||||
local_address=local_address,
|
||||
limits=LIMITS,
|
||||
proxy=httpx._config.Proxy(proxy_url) if proxy_url else None,
|
||||
**TRANSPORT_KWARGS)
|
||||
|
||||
|
||||
def iter_proxies(proxies):
|
||||
# https://www.python-httpx.org/compatibility/#proxy-keys
|
||||
if isinstance(proxies, str):
|
||||
yield 'all://', proxies
|
||||
elif isinstance(proxies, dict):
|
||||
for pattern, proxy_url in proxies.items():
|
||||
pattern = PROXY_PATTERN_MAPPING.get(pattern, pattern)
|
||||
yield pattern, proxy_url
|
||||
|
||||
|
||||
def new_client(verify, local_address, proxies, max_redirects, enable_http):
|
||||
# See https://www.python-httpx.org/advanced/#routing
|
||||
mounts = {}
|
||||
for pattern, proxy_url in iter_proxies(proxies):
|
||||
if not enable_http and (pattern == 'http' or pattern.startswith('http://')):
|
||||
continue
|
||||
if proxy_url.startswith('socks4://') \
|
||||
or proxy_url.startswith('socks5://') \
|
||||
or proxy_url.startswith('socks5h://'):
|
||||
mounts[pattern] = get_transport_for_socks_proxy(verify, local_address, proxy_url)
|
||||
else:
|
||||
mounts[pattern] = get_transport(verify, local_address, proxy_url)
|
||||
|
||||
if not enable_http:
|
||||
mounts['http://'] = AsyncHTTPTransportNoHttp()
|
||||
|
||||
transport = get_transport(verify, local_address, None)
|
||||
return httpx.AsyncClient(transport=transport, mounts=mounts, max_redirects=max_redirects)
|
||||
|
||||
|
||||
def get_client(verify, local_address, proxies, max_redirects, allow_http):
|
||||
global CLIENTS
|
||||
key = (verify, local_address, repr(proxies), max_redirects, allow_http)
|
||||
if key not in CLIENTS:
|
||||
CLIENTS[key] = new_client(verify, local_address, proxies, max_redirects, allow_http)
|
||||
return CLIENTS[key]
|
||||
|
||||
|
||||
async def send_request(method, url, enable_http, kwargs):
|
||||
if isinstance(url, bytes):
|
||||
url = url.decode()
|
||||
|
||||
verify = kwargs.pop('verify', True)
|
||||
local_address = next(LOCAL_ADDRESS_CYCLE)
|
||||
proxies = kwargs.pop('proxies', None) or get_global_proxies()
|
||||
max_redirects = kwargs.pop('max_redirects', DEFAULT_REDIRECT_LIMIT)
|
||||
|
||||
client = get_client(verify, local_address, proxies, max_redirects, enable_http)
|
||||
response = await client.request(method.upper(), url, **kwargs)
|
||||
|
||||
# requests compatibility
|
||||
# see also https://www.python-httpx.org/compatibility/#checking-for-4xx5xx-responses
|
||||
response.ok = not response.is_error
|
||||
|
||||
return response
|
||||
|
||||
|
||||
def request(method, url, **kwargs):
|
||||
"""same as requests/requests/api.py request(...)"""
|
||||
time_before_request = time()
|
||||
|
||||
# session start
|
||||
session = SessionSinglePool()
|
||||
|
||||
# proxies
|
||||
if not kwargs.get('proxies'):
|
||||
kwargs['proxies'] = get_global_proxies()
|
||||
|
||||
# timeout
|
||||
if 'timeout' in kwargs:
|
||||
timeout = kwargs['timeout']
|
||||
else:
|
||||
timeout = getattr(threadLocal, 'timeout', None)
|
||||
timeout = getattr(THREADLOCAL, 'timeout', None)
|
||||
if timeout is not None:
|
||||
kwargs['timeout'] = timeout
|
||||
|
||||
|
|
@ -178,24 +357,23 @@ def request(method, url, **kwargs):
|
|||
del kwargs['raise_for_httperror']
|
||||
|
||||
# do request
|
||||
response = session.request(method=method, url=url, **kwargs)
|
||||
future = asyncio.run_coroutine_threadsafe(send_request(method, url, get_enable_http_protocol(), kwargs), LOOP)
|
||||
try:
|
||||
if timeout:
|
||||
timeout += 0.2 # overhead
|
||||
start_time = getattr(THREADLOCAL, 'start_time', time_before_request)
|
||||
if start_time:
|
||||
timeout -= time() - start_time
|
||||
|
||||
time_after_request = time()
|
||||
response = future.result(timeout or 120)
|
||||
except concurrent.futures.TimeoutError as e:
|
||||
raise httpx.TimeoutException('Timeout', request=None) from e
|
||||
|
||||
# is there a timeout for this engine ?
|
||||
if timeout is not None:
|
||||
timeout_overhead = 0.2 # seconds
|
||||
# start_time = when the user request started
|
||||
start_time = getattr(threadLocal, 'start_time', time_before_request)
|
||||
search_duration = time_after_request - start_time
|
||||
if search_duration > timeout + timeout_overhead:
|
||||
raise requests.exceptions.Timeout(response=response)
|
||||
|
||||
# session end
|
||||
session.close()
|
||||
|
||||
if hasattr(threadLocal, 'total_time'):
|
||||
threadLocal.total_time += time_after_request - time_before_request
|
||||
# update total_time.
|
||||
# See get_time_for_thread() and reset_time_for_thread()
|
||||
if hasattr(THREADLOCAL, 'total_time'):
|
||||
time_after_request = time()
|
||||
THREADLOCAL.total_time += time_after_request - time_before_request
|
||||
|
||||
# raise an exception
|
||||
if check_for_httperror:
|
||||
|
|
@ -204,6 +382,49 @@ def request(method, url, **kwargs):
|
|||
return response
|
||||
|
||||
|
||||
async def stream_chunk_to_queue(method, url, q, **kwargs):
|
||||
verify = kwargs.pop('verify', True)
|
||||
local_address = next(LOCAL_ADDRESS_CYCLE)
|
||||
proxies = kwargs.pop('proxies', None) or get_global_proxies()
|
||||
# "30" from requests:
|
||||
# https://github.com/psf/requests/blob/8c211a96cdbe9fe320d63d9e1ae15c5c07e179f8/requests/models.py#L55
|
||||
max_redirects = kwargs.pop('max_redirects', 30)
|
||||
client = get_client(verify, local_address, proxies, max_redirects, True)
|
||||
try:
|
||||
async with client.stream(method, url, **kwargs) as response:
|
||||
q.put(response)
|
||||
async for chunk in response.aiter_bytes(65536):
|
||||
if len(chunk) > 0:
|
||||
q.put(chunk)
|
||||
except (httpx.HTTPError, OSError, h2.exceptions.ProtocolError) as e:
|
||||
q.put(e)
|
||||
finally:
|
||||
q.put(None)
|
||||
|
||||
|
||||
def stream(method, url, **kwargs):
|
||||
"""Replace httpx.stream.
|
||||
|
||||
Usage:
|
||||
stream = poolrequests.stream(...)
|
||||
response = next(stream)
|
||||
for chunk in stream:
|
||||
...
|
||||
|
||||
httpx.Client.stream requires to write the httpx.HTTPTransport version of the
|
||||
the httpx.AsyncHTTPTransport declared above.
|
||||
"""
|
||||
q = SimpleQueue()
|
||||
future = asyncio.run_coroutine_threadsafe(stream_chunk_to_queue(method, url, q, **kwargs), LOOP)
|
||||
chunk_or_exception = q.get(timeout=60)
|
||||
while chunk_or_exception is not None:
|
||||
if isinstance(chunk_or_exception, Exception):
|
||||
raise chunk_or_exception
|
||||
yield chunk_or_exception
|
||||
chunk_or_exception = q.get(timeout=60)
|
||||
return future.result()
|
||||
|
||||
|
||||
def get(url, **kwargs):
|
||||
kwargs.setdefault('allow_redirects', True)
|
||||
return request('get', url, **kwargs)
|
||||
|
|
@ -233,3 +454,97 @@ def patch(url, data=None, **kwargs):
|
|||
|
||||
def delete(url, **kwargs):
|
||||
return request('delete', url, **kwargs)
|
||||
|
||||
|
||||
def init():
|
||||
# log
|
||||
for logger_name in ('hpack.hpack', 'hpack.table'):
|
||||
logging.getLogger(logger_name).setLevel(logging.WARNING)
|
||||
|
||||
# loop
|
||||
def loop_thread():
|
||||
global LOOP
|
||||
LOOP = asyncio.new_event_loop()
|
||||
LOOP.run_forever()
|
||||
|
||||
th = threading.Thread(
|
||||
target=loop_thread,
|
||||
name='asyncio_loop',
|
||||
daemon=True,
|
||||
)
|
||||
th.start()
|
||||
|
||||
|
||||
@atexit.register
|
||||
def done():
|
||||
"""Close all HTTP client
|
||||
|
||||
Avoid a warning at exit
|
||||
see https://github.com/encode/httpx/blob/1a6e254f72d9fd5694a1c10a28927e193ab4f76b/httpx/_client.py#L1785
|
||||
"""
|
||||
global LOOP
|
||||
|
||||
async def close_client(client):
|
||||
try:
|
||||
await client.aclose()
|
||||
except httpx.HTTPError:
|
||||
pass
|
||||
|
||||
async def close_clients():
|
||||
await asyncio.gather(*[close_client(client) for client in CLIENTS.values()], return_exceptions=False)
|
||||
future = asyncio.run_coroutine_threadsafe(close_clients(), LOOP)
|
||||
# wait 3 seconds to close the HTTP clients
|
||||
future.result(3)
|
||||
|
||||
|
||||
init()
|
||||
|
||||
|
||||
# ## TEMPORARY DEBUG ##
|
||||
|
||||
|
||||
def debug_connection(connection):
|
||||
now = LOOP.time()
|
||||
expired = (connection.state == httpcore._async.base.ConnectionState.IDLE
|
||||
and connection.expires_at is not None
|
||||
and now >= connection.expires_at)
|
||||
return connection.info()\
|
||||
+ (', connect_failed' if connection.connect_failed else '')\
|
||||
+ (', expired' if expired else '')
|
||||
|
||||
|
||||
def debug_origin(origin):
|
||||
return origin[0].decode() + '://' + origin[1].decode() + ':' + str(origin[2])
|
||||
|
||||
|
||||
def debug_transport(transport):
|
||||
result = {
|
||||
'__class__': str(transport.__class__.__name__)
|
||||
}
|
||||
if isinstance(transport, (httpx.AsyncHTTPTransport, AsyncHTTPTransportFixed)):
|
||||
pool = transport._pool
|
||||
result['__pool_class__'] = str(pool.__class__.__name__)
|
||||
if isinstance(pool, httpcore.AsyncConnectionPool):
|
||||
for origin, connections in pool._connections.items():
|
||||
result[debug_origin(origin)] = [debug_connection(connection) for connection in connections]
|
||||
return result
|
||||
elif isinstance(transport, AsyncProxyTransportFixed):
|
||||
for origin, connections in transport._connections.items():
|
||||
result[debug_origin(origin)] = [debug_connection(connection) for connection in connections]
|
||||
return result
|
||||
return result
|
||||
|
||||
|
||||
def debug_asyncclient(client, key=None):
|
||||
result = {}
|
||||
if key:
|
||||
result['__key__'] = [k if isinstance(k, (str, int, float, bool, type(None))) else repr(k) for k in key]
|
||||
result['__default__'] = debug_transport(client._transport)
|
||||
for urlpattern, transport in client._mounts.items():
|
||||
result[urlpattern.pattern] = debug_transport(transport)
|
||||
return result
|
||||
|
||||
|
||||
def debug_asyncclients():
|
||||
global CLIENTS
|
||||
return [debug_asyncclient(client, key) for key, client in CLIENTS.items()]
|
||||
|
|
|
|||
|
|
@ -11,7 +11,7 @@ from urllib.parse import urlparse
|
|||
import re
|
||||
from langdetect import detect_langs
|
||||
from langdetect.lang_detect_exception import LangDetectException
|
||||
import requests.exceptions
|
||||
import httpx
|
||||
|
||||
from searx import poolrequests, logger
|
||||
from searx.results import ResultContainer
|
||||
|
|
@ -90,10 +90,10 @@ def _is_url_image(image_url):
|
|||
if r.headers["content-type"].startswith('image/'):
|
||||
return True
|
||||
return False
|
||||
except requests.exceptions.Timeout:
|
||||
except httpx.TimeoutException:
|
||||
logger.error('Timeout for %s: %i', image_url, int(time() - a))
|
||||
retry -= 1
|
||||
except requests.exceptions.RequestException:
|
||||
except httpx.HTTPError:
|
||||
logger.exception('Exception for %s', image_url)
|
||||
return False
|
||||
|
||||
|
|
|
|||
|
|
@ -1,10 +1,10 @@
|
|||
# SPDX-License-Identifier: AGPL-3.0-or-later
|
||||
|
||||
from urllib.parse import urlparse
|
||||
from time import time
|
||||
import threading
|
||||
import asyncio
|
||||
|
||||
import requests.exceptions
|
||||
import httpx
|
||||
|
||||
import searx.poolrequests as poolrequests
|
||||
from searx.engines import settings
|
||||
|
|
@ -99,8 +99,8 @@ class OnlineProcessor(EngineProcessor):
|
|||
# unexpected redirect : record an error
|
||||
# but the engine might still return valid results.
|
||||
status_code = str(response.status_code or '')
|
||||
reason = response.reason or ''
|
||||
hostname = str(urlparse(response.url or '').netloc)
|
||||
reason = response.reason_phrase or ''
|
||||
hostname = response.url.host
|
||||
record_error(self.engine_name,
|
||||
'{} redirects, maximum: {}'.format(len(response.history), soft_max_redirects),
|
||||
(status_code, reason, hostname))
|
||||
|
|
@ -135,7 +135,7 @@ class OnlineProcessor(EngineProcessor):
|
|||
poolrequests.set_enable_http_protocol(self.engine.enable_http)
|
||||
|
||||
# suppose everything will be alright
|
||||
requests_exception = False
|
||||
http_exception = False
|
||||
suspended_time = None
|
||||
|
||||
try:
|
||||
|
|
@ -169,20 +169,20 @@ class OnlineProcessor(EngineProcessor):
|
|||
with threading.RLock():
|
||||
self.engine.stats['errors'] += 1
|
||||
|
||||
if (issubclass(e.__class__, requests.exceptions.Timeout)):
|
||||
if (issubclass(e.__class__, (httpx.TimeoutException, asyncio.TimeoutError))):
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'HTTP timeout')
|
||||
# requests timeout (connect or read)
|
||||
logger.error("engine {0} : HTTP requests timeout"
|
||||
"(search duration : {1} s, timeout: {2} s) : {3}"
|
||||
.format(self.engine_name, engine_time, timeout_limit, e.__class__.__name__))
|
||||
requests_exception = True
|
||||
elif (issubclass(e.__class__, requests.exceptions.RequestException)):
|
||||
http_exception = True
|
||||
elif (issubclass(e.__class__, (httpx.HTTPError, httpx.StreamError))):
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'HTTP error')
|
||||
# other requests exception
|
||||
logger.exception("engine {0} : requests exception"
|
||||
"(search duration : {1} s, timeout: {2} s) : {3}"
|
||||
.format(self.engine_name, engine_time, timeout_limit, e))
|
||||
requests_exception = True
|
||||
http_exception = True
|
||||
elif (issubclass(e.__class__, SearxEngineCaptchaException)):
|
||||
result_container.add_unresponsive_engine(self.engine_name, 'CAPTCHA required')
|
||||
logger.exception('engine {0} : CAPTCHA'.format(self.engine_name))
|
||||
|
|
@ -206,7 +206,7 @@ class OnlineProcessor(EngineProcessor):
|
|||
# suspend the engine if there is an HTTP error
|
||||
# or suspended_time is defined
|
||||
with threading.RLock():
|
||||
if requests_exception or suspended_time:
|
||||
if http_exception or suspended_time:
|
||||
# update continuous_errors / suspend_end_time
|
||||
self.engine.continuous_errors += 1
|
||||
if suspended_time is None:
|
||||
|
|
|
|||
|
|
@ -67,11 +67,13 @@ ui:
|
|||
# key : !!binary "your_morty_proxy_key"
|
||||
|
||||
outgoing: # communication with search engines
|
||||
request_timeout : 2.0 # default timeout in seconds, can be override by engine
|
||||
request_timeout : 3.0 # default timeout in seconds, can be override by engine
|
||||
# max_request_timeout: 10.0 # the maximum timeout in seconds
|
||||
useragent_suffix : "" # suffix of searx_useragent, could contain informations like an email address to the administrator
|
||||
pool_connections : 100 # Number of different hosts
|
||||
pool_maxsize : 10 # Number of simultaneous requests by host
|
||||
pool_connections : 100 # The maximum number of concurrent connections that may be established.
|
||||
pool_maxsize : 20 # Allow the connection pool to maintain keep-alive connections below this point.
|
||||
keepalive_expiry: 30.0 # Number of seconds to keep a connection in the pool
|
||||
http2: True # Enable HTTP/2 (experimental)
|
||||
# uncomment below section if you want to use a proxy
|
||||
# see https://2.python-requests.org/en/latest/user/advanced/#proxies
|
||||
# SOCKS proxies are also supported: see https://2.python-requests.org/en/latest/user/advanced/#socks
|
||||
|
|
|
|||
|
|
@ -45,7 +45,7 @@ def searx_useragent():
|
|||
"""Return the searx User Agent"""
|
||||
return 'searx/{searx_version} {suffix}'.format(
|
||||
searx_version=VERSION_STRING,
|
||||
suffix=settings['outgoing'].get('useragent_suffix', ''))
|
||||
suffix=settings['outgoing'].get('useragent_suffix', '')).strip()
|
||||
|
||||
|
||||
def gen_useragent(os=None):
|
||||
|
|
|
|||
|
|
@ -26,12 +26,26 @@ if __name__ == '__main__':
|
|||
from os.path import realpath, dirname
|
||||
sys.path.append(realpath(dirname(realpath(__file__)) + '/../'))
|
||||
|
||||
# set Unix thread name
|
||||
try:
|
||||
import setproctitle
|
||||
except ImportError:
|
||||
pass
|
||||
else:
|
||||
import threading
|
||||
old_thread_init = threading.Thread.__init__
|
||||
|
||||
def new_thread_init(self, *args, **kwargs):
|
||||
old_thread_init(self, *args, **kwargs)
|
||||
setproctitle.setthreadtitle(self._name)
|
||||
threading.Thread.__init__ = new_thread_init
|
||||
|
||||
import hashlib
|
||||
import hmac
|
||||
import json
|
||||
import os
|
||||
|
||||
import requests
|
||||
import httpx
|
||||
|
||||
from searx import logger
|
||||
logger = logger.getChild('webapp')
|
||||
|
|
@ -79,7 +93,7 @@ from searx.plugins import plugins
|
|||
from searx.plugins.oa_doi_rewrite import get_doi_resolver
|
||||
from searx.preferences import Preferences, ValidationException, LANGUAGE_CODES
|
||||
from searx.answerers import answerers
|
||||
from searx.poolrequests import get_global_proxies
|
||||
from searx import poolrequests
|
||||
from searx.answerers import ask
|
||||
from searx.metrology.error_recorder import errors_per_engines
|
||||
|
||||
|
|
@ -899,51 +913,63 @@ def _is_selected_language_supported(engine, preferences):
|
|||
|
||||
@app.route('/image_proxy', methods=['GET'])
|
||||
def image_proxy():
|
||||
url = request.args.get('url').encode()
|
||||
url = request.args.get('url')
|
||||
|
||||
if not url:
|
||||
return '', 400
|
||||
|
||||
h = new_hmac(settings['server']['secret_key'], url)
|
||||
h = new_hmac(settings['server']['secret_key'], url.encode())
|
||||
|
||||
if h != request.args.get('h'):
|
||||
return '', 400
|
||||
|
||||
headers = dict_subset(request.headers, {'If-Modified-Since', 'If-None-Match'})
|
||||
headers['User-Agent'] = gen_useragent()
|
||||
maximum_size = 5 * 1024 * 1024
|
||||
|
||||
resp = requests.get(url,
|
||||
stream=True,
|
||||
timeout=settings['outgoing']['request_timeout'],
|
||||
headers=headers,
|
||||
proxies=get_global_proxies())
|
||||
try:
|
||||
headers = dict_subset(request.headers, {'If-Modified-Since', 'If-None-Match'})
|
||||
headers['User-Agent'] = gen_useragent()
|
||||
stream = poolrequests.stream(
|
||||
method='GET',
|
||||
url=url,
|
||||
headers=headers,
|
||||
timeout=settings['outgoing']['request_timeout'],
|
||||
allow_redirects=True,
|
||||
max_redirects=20)
|
||||
|
||||
if resp.status_code == 304:
|
||||
return '', resp.status_code
|
||||
resp = next(stream)
|
||||
content_length = resp.headers.get('Content-Length')
|
||||
if content_length and content_length.isdigit() and int(content_length) > maximum_size:
|
||||
return 'Max size', 400
|
||||
|
||||
if resp.status_code != 200:
|
||||
logger.debug('image-proxy: wrong response code: {0}'.format(resp.status_code))
|
||||
if resp.status_code >= 400:
|
||||
if resp.status_code == 304:
|
||||
return '', resp.status_code
|
||||
|
||||
if resp.status_code != 200:
|
||||
logger.debug('image-proxy: wrong response code: {0}'.format(resp.status_code))
|
||||
if resp.status_code >= 400:
|
||||
return '', resp.status_code
|
||||
return '', 400
|
||||
|
||||
if not resp.headers.get('content-type', '').startswith('image/'):
|
||||
logger.debug('image-proxy: wrong content-type: {0}'.format(resp.headers.get('content-type')))
|
||||
return '', 400
|
||||
|
||||
headers = dict_subset(resp.headers, {'Content-Length', 'Length', 'Date', 'Last-Modified', 'Expires', 'Etag'})
|
||||
|
||||
total_length = 0
|
||||
|
||||
def forward_chunk():
|
||||
nonlocal total_length
|
||||
for chunk in stream:
|
||||
total_length += len(chunk)
|
||||
if total_length > maximum_size:
|
||||
break
|
||||
yield chunk
|
||||
|
||||
return Response(forward_chunk(), mimetype=resp.headers['Content-Type'], headers=headers)
|
||||
except httpx.HTTPError:
|
||||
return '', 400
|
||||
|
||||
if not resp.headers.get('content-type', '').startswith('image/'):
|
||||
logger.debug('image-proxy: wrong content-type: {0}'.format(resp.headers.get('content-type')))
|
||||
return '', 400
|
||||
|
||||
img = b''
|
||||
chunk_counter = 0
|
||||
|
||||
for chunk in resp.iter_content(1024 * 1024):
|
||||
chunk_counter += 1
|
||||
if chunk_counter > 5:
|
||||
return '', 502 # Bad gateway - file is too big (>5M)
|
||||
img += chunk
|
||||
|
||||
headers = dict_subset(resp.headers, {'Content-Length', 'Length', 'Date', 'Last-Modified', 'Expires', 'Etag'})
|
||||
|
||||
return Response(img, mimetype=resp.headers['content-type'], headers=headers)
|
||||
|
||||
|
||||
@app.route('/stats', methods=['GET'])
|
||||
def stats():
|
||||
|
|
@ -1092,6 +1118,11 @@ def config():
|
|||
})
|
||||
|
||||
|
||||
@app.route('/config/http')
|
||||
def config_http():
|
||||
return jsonify(poolrequests.debug_asyncclients())
|
||||
|
||||
|
||||
@app.errorhandler(404)
|
||||
def page_not_found(e):
|
||||
return render('404.html'), 404
|
||||
|
|
|
|||
|
|
@ -17,7 +17,7 @@ import json
|
|||
import re
|
||||
from os.path import join
|
||||
|
||||
import requests
|
||||
import httpx
|
||||
|
||||
from searx import searx_dir # pylint: disable=E0401 C0413
|
||||
|
||||
|
|
@ -30,7 +30,7 @@ HTTP_COLON = 'http:'
|
|||
|
||||
|
||||
def get_bang_url():
|
||||
response = requests.get(URL_BV1)
|
||||
response = httpx.get(URL_BV1)
|
||||
response.raise_for_status()
|
||||
|
||||
r = RE_BANG_VERSION.findall(response.text)
|
||||
|
|
@ -38,7 +38,7 @@ def get_bang_url():
|
|||
|
||||
|
||||
def fetch_ddg_bangs(url):
|
||||
response = requests.get(url)
|
||||
response = httpx.get(url)
|
||||
response.raise_for_status()
|
||||
return json.loads(response.content.decode())
|
||||
|
||||
|
|
|
|||
|
|
@ -1,9 +1,5 @@
|
|||
from unittest.mock import patch
|
||||
from requests.models import Response
|
||||
|
||||
from searx.testing import SearxTestCase
|
||||
|
||||
import searx.poolrequests
|
||||
from searx.poolrequests import get_proxy_cycles, get_proxies
|
||||
|
||||
|
||||
|
|
@ -64,26 +60,3 @@ class TestProxy(SearxTestCase):
|
|||
'http': 'http://localhost:9092',
|
||||
'https': 'http://localhost:9093'
|
||||
})
|
||||
|
||||
@patch('searx.poolrequests.get_global_proxies')
|
||||
def test_request(self, mock_get_global_proxies):
|
||||
method = 'GET'
|
||||
url = 'http://localhost'
|
||||
custom_proxies = {
|
||||
'https': 'http://localhost:1080'
|
||||
}
|
||||
global_proxies = {
|
||||
'http': 'http://localhost:9092',
|
||||
'https': 'http://localhost:9093'
|
||||
}
|
||||
mock_get_global_proxies.return_value = global_proxies
|
||||
|
||||
# check the global proxies usage
|
||||
with patch.object(searx.poolrequests.SessionSinglePool, 'request', return_value=Response()) as mock_method:
|
||||
searx.poolrequests.request(method, url)
|
||||
mock_method.assert_called_once_with(method=method, url=url, proxies=global_proxies)
|
||||
|
||||
# check if the proxies parameter overrides the global proxies
|
||||
with patch.object(searx.poolrequests.SessionSinglePool, 'request', return_value=Response()) as mock_method:
|
||||
searx.poolrequests.request(method, url, proxies=custom_proxies)
|
||||
mock_method.assert_called_once_with(method=method, url=url, proxies=custom_proxies)
|
||||
|
|
|
|||
Loading…
Reference in New Issue