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https://github.com/searxng/searxng.git
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[mod] debug mode: log HTTP requests with network name
For example wikipedia requests use the logger name "searx.network.wikipedia" Log is disable when searx_debug is False
This commit is contained in:
Alexandre Flament
parent
577998106a
commit
91a6d80e82
2 changed files with 44 additions and 14 deletions
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@ -194,7 +194,7 @@ 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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proxies, local_address, retries, max_redirects, hook_log_response ):
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limit = httpx.Limits(
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max_connections=max_connections,
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max_keepalive_connections=max_keepalive_connections,
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@ -221,7 +221,17 @@ def new_client(
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mounts['http://'] = AsyncHTTPTransportNoHttp()
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transport = get_transport(verify, enable_http2, local_address, None, limit, retries)
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return httpx.AsyncClient(transport=transport, mounts=mounts, max_redirects=max_redirects)
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event_hooks = None
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if hook_log_response:
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event_hooks = {'response': [ hook_log_response ]}
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return httpx.AsyncClient(
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transport=transport,
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mounts=mounts,
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max_redirects=max_redirects,
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event_hooks=event_hooks,
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)
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def get_loop():
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@ -231,7 +241,7 @@ def get_loop():
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def init():
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# log
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for logger_name in ('hpack.hpack', 'hpack.table'):
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for logger_name in ('hpack.hpack', 'hpack.table', 'httpx._client'):
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logging.getLogger(logger_name).setLevel(logging.WARNING)
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# loop
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@ -10,9 +10,11 @@ from itertools import cycle
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import httpx
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from searx import logger, searx_debug
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from .client import new_client, get_loop
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logger = logger.getChild('network')
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DEFAULT_NAME = '__DEFAULT__'
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NETWORKS = {}
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# requests compatibility when reading proxy settings from settings.yml
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@ -41,7 +43,7 @@ class Network:
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'enable_http', 'verify', 'enable_http2',
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'max_connections', 'max_keepalive_connections', 'keepalive_expiry',
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'local_addresses', 'proxies', 'max_redirects', 'retries', 'retry_on_http_error',
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'_local_addresses_cycle', '_proxies_cycle', '_clients'
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'_local_addresses_cycle', '_proxies_cycle', '_clients', '_logger'
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)
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def __init__(
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@ -57,7 +59,8 @@ class Network:
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local_addresses=None,
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retries=0,
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retry_on_http_error=None,
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max_redirects=30 ):
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max_redirects=30,
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logger_name=None):
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self.enable_http = enable_http
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self.verify = verify
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@ -73,6 +76,7 @@ class Network:
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self._local_addresses_cycle = self.get_ipaddress_cycle()
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self._proxies_cycle = self.get_proxy_cycles()
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self._clients = {}
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self._logger = logger.getChild(logger_name) if logger_name else logger
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self.check_parameters()
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def check_parameters(self):
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@ -130,12 +134,25 @@ class Network:
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# pylint: disable=stop-iteration-return
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yield tuple((pattern, next(proxy_url_cycle)) for pattern, proxy_url_cycle in proxy_settings.items())
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async def log_response(self, response: httpx.Response):
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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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self._logger.debug(
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f'HTTP Request: {request.method} {request.url} "{response_line}" ({elapsed_time})'
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)
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def get_client(self, verify=None, max_redirects=None):
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verify = self.verify if verify is None else verify
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max_redirects = self.max_redirects if max_redirects is None else max_redirects
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local_address = next(self._local_addresses_cycle)
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proxies = next(self._proxies_cycle) # is a tuple so it can be part of the key
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key = (verify, max_redirects, local_address, proxies)
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hook_log_response = self.log_response if searx_debug else None
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if key not in self._clients or self._clients[key].is_closed:
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self._clients[key] = new_client(
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self.enable_http,
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@ -147,7 +164,8 @@ class Network:
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dict(proxies),
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local_address,
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0,
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max_redirects
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max_redirects,
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hook_log_response
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)
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return self._clients[key]
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@ -243,11 +261,13 @@ def initialize(settings_engines=None, settings_outgoing=None):
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'retry_on_http_error': None,
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}
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def new_network(params):
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def new_network(params, logger_name=None):
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nonlocal default_params
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result = {}
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result.update(default_params)
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result.update(params)
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if logger_name:
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result['logger_name'] = logger_name
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return Network(**result)
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def iter_networks():
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@ -263,13 +283,13 @@ def initialize(settings_engines=None, settings_outgoing=None):
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if NETWORKS:
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done()
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NETWORKS.clear()
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NETWORKS[DEFAULT_NAME] = new_network({})
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NETWORKS['ipv4'] = new_network({'local_addresses': '0.0.0.0'})
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NETWORKS['ipv6'] = new_network({'local_addresses': '::'})
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NETWORKS[DEFAULT_NAME] = new_network({}, logger_name='default')
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NETWORKS['ipv4'] = new_network({'local_addresses': '0.0.0.0'}, logger_name='ipv4')
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NETWORKS['ipv6'] = new_network({'local_addresses': '::'}, logger_name='ipv6')
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# define networks from outgoing.networks
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for network_name, network in settings_outgoing['networks'].items():
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NETWORKS[network_name] = new_network(network)
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NETWORKS[network_name] = new_network(network, logger_name=network_name)
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# define networks from engines.[i].network (except references)
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for engine_name, engine, network in iter_networks():
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@ -280,9 +300,9 @@ def initialize(settings_engines=None, settings_outgoing=None):
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network[attribute_name] = getattr(engine, attribute_name)
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else:
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network[attribute_name] = attribute_value
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NETWORKS[engine_name] = new_network(network)
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NETWORKS[engine_name] = new_network(network, logger_name=engine_name)
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elif isinstance(network, dict):
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NETWORKS[engine_name] = new_network(network)
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NETWORKS[engine_name] = new_network(network, logger_name=engine_name)
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# define networks from engines.[i].network (references)
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for engine_name, engine, network in iter_networks():
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@ -295,7 +315,7 @@ def initialize(settings_engines=None, settings_outgoing=None):
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if 'image_proxy' not in NETWORKS:
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image_proxy_params = default_params.copy()
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image_proxy_params['enable_http2'] = False
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NETWORKS['image_proxy'] = new_network(image_proxy_params)
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NETWORKS['image_proxy'] = new_network(image_proxy_params, logger_name='image_proxy')
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@atexit.register
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