mirror of
https://github.com/searxng/searxng
synced 2024-01-01 18:24:07 +00:00
[mod] add a search_one_request_safe function wrapper to call search_one_request. All exceptions are catched in this wrapper.
This commit is contained in:
Alexandre Flament
parent
bff41987a4
commit
0a2fde19d0
167
searx/search.py
167
searx/search.py
@ -20,6 +20,7 @@ import threading
|
||||
from thread import start_new_thread
|
||||
from time import time
|
||||
from uuid import uuid4
|
||||
import requests.exceptions
|
||||
import searx.poolrequests as requests_lib
|
||||
from searx.engines import (
|
||||
categories, engines
|
||||
@ -37,109 +38,117 @@ number_of_searches = 0
|
||||
|
||||
|
||||
def send_http_request(engine, request_params, timeout_limit):
|
||||
response = None
|
||||
try:
|
||||
# create dictionary which contain all
|
||||
# informations about the request
|
||||
request_args = dict(
|
||||
headers=request_params['headers'],
|
||||
cookies=request_params['cookies'],
|
||||
timeout=timeout_limit,
|
||||
verify=request_params['verify']
|
||||
)
|
||||
# specific type of request (GET or POST)
|
||||
if request_params['method'] == 'GET':
|
||||
req = requests_lib.get
|
||||
else:
|
||||
req = requests_lib.post
|
||||
request_args['data'] = request_params['data']
|
||||
# for page_load_time stats
|
||||
time_before_request = time()
|
||||
|
||||
# for page_load_time stats
|
||||
time_before_request = time()
|
||||
# create dictionary which contain all
|
||||
# informations about the request
|
||||
request_args = dict(
|
||||
headers=request_params['headers'],
|
||||
cookies=request_params['cookies'],
|
||||
timeout=timeout_limit,
|
||||
verify=request_params['verify']
|
||||
)
|
||||
|
||||
# send the request
|
||||
response = req(request_params['url'], **request_args)
|
||||
# specific type of request (GET or POST)
|
||||
if request_params['method'] == 'GET':
|
||||
req = requests_lib.get
|
||||
else:
|
||||
req = requests_lib.post
|
||||
request_args['data'] = request_params['data']
|
||||
|
||||
with threading.RLock():
|
||||
# no error : reset the suspend variables
|
||||
engine.continuous_errors = 0
|
||||
engine.suspend_end_time = 0
|
||||
# update stats with current page-load-time
|
||||
# only the HTTP request
|
||||
engine.stats['page_load_time'] += time() - time_before_request
|
||||
engine.stats['page_load_count'] += 1
|
||||
# send the request
|
||||
response = req(request_params['url'], **request_args)
|
||||
|
||||
# is there a timeout (no parsing in this case)
|
||||
timeout_overhead = 0.2 # seconds
|
||||
search_duration = time() - request_params['started']
|
||||
if search_duration > timeout_limit + timeout_overhead:
|
||||
logger.exception('engine timeout on HTTP request:'
|
||||
'{0} (search duration : {1} ms, time-out: {2} )'
|
||||
.format(engine.name, search_duration, timeout_limit))
|
||||
with threading.RLock():
|
||||
engine.stats['errors'] += 1
|
||||
return False
|
||||
# is there a timeout (no parsing in this case)
|
||||
timeout_overhead = 0.2 # seconds
|
||||
search_duration = time() - request_params['started']
|
||||
if search_duration > timeout_limit + timeout_overhead:
|
||||
raise Timeout(response=response)
|
||||
|
||||
# everything is ok : return the response
|
||||
return response
|
||||
with threading.RLock():
|
||||
# no error : reset the suspend variables
|
||||
engine.continuous_errors = 0
|
||||
engine.suspend_end_time = 0
|
||||
# update stats with current page-load-time
|
||||
# only the HTTP request
|
||||
engine.stats['page_load_time'] += time() - time_before_request
|
||||
engine.stats['page_load_count'] += 1
|
||||
|
||||
except:
|
||||
# increase errors stats
|
||||
with threading.RLock():
|
||||
engine.stats['errors'] += 1
|
||||
engine.continuous_errors += 1
|
||||
engine.suspend_end_time = time() + min(60, engine.continuous_errors)
|
||||
|
||||
# print engine name and specific error message
|
||||
logger.exception('engine crash: {0}'.format(engine.name))
|
||||
return False
|
||||
# everything is ok : return the response
|
||||
return response
|
||||
|
||||
|
||||
def search_one_request(engine_name, query, request_params, result_container, timeout_limit):
|
||||
engine = engines[engine_name]
|
||||
|
||||
def search_one_request(engine, query, request_params, timeout_limit):
|
||||
# update request parameters dependent on
|
||||
# search-engine (contained in engines folder)
|
||||
engine.request(query, request_params)
|
||||
|
||||
# TODO add support of offline engines
|
||||
if request_params['url'] is None:
|
||||
return False
|
||||
|
||||
# ignoring empty urls
|
||||
if request_params['url'] is None:
|
||||
return []
|
||||
|
||||
if not request_params['url']:
|
||||
return False
|
||||
return []
|
||||
|
||||
# send request
|
||||
response = send_http_request(engine, request_params, timeout_limit)
|
||||
|
||||
# parse response
|
||||
success = None
|
||||
if response:
|
||||
# parse the response
|
||||
response.search_params = request_params
|
||||
try:
|
||||
search_results = engine.response(response)
|
||||
except:
|
||||
logger.exception('engine crash: {0}'.format(engine.name))
|
||||
search_results = []
|
||||
# parse the response
|
||||
response.search_params = request_params
|
||||
return engine.response(response)
|
||||
|
||||
|
||||
def search_one_request_safe(engine_name, query, request_params, result_container, timeout_limit):
|
||||
start_time = time()
|
||||
engine = engines[engine_name]
|
||||
|
||||
try:
|
||||
# send requests and parse the results
|
||||
search_results = search_one_request(engine, query, request_params, timeout_limit)
|
||||
|
||||
# add results
|
||||
for result in search_results:
|
||||
result['engine'] = engine.name
|
||||
result['engine'] = engine_name
|
||||
result_container.extend(engine_name, search_results)
|
||||
|
||||
result_container.extend(engine.name, search_results)
|
||||
# update engine time when there is no exception
|
||||
with threading.RLock():
|
||||
engine.stats['engine_time'] += time() - start_time
|
||||
engine.stats['engine_time_count'] += 1
|
||||
|
||||
success = True
|
||||
else:
|
||||
success = False
|
||||
return True
|
||||
|
||||
with threading.RLock():
|
||||
# update stats : total time
|
||||
engine.stats['engine_time'] += time() - request_params['started']
|
||||
engine.stats['engine_time_count'] += 1
|
||||
except Exception as e:
|
||||
engine.stats['errors'] += 1
|
||||
|
||||
return success
|
||||
search_duration = time() - start_time
|
||||
requests_exception = False
|
||||
|
||||
if (issubclass(e.__class__, requests.exceptions.Timeout)):
|
||||
# requests timeout (connect or read)
|
||||
logger.error("engine {0} : HTTP requests timeout"
|
||||
"(search duration : {1} s, timeout: {2} s) : {3}"
|
||||
.format(engine_name, search_duration, timeout_limit, e.__class__.__name__))
|
||||
requests_exception = True
|
||||
if (issubclass(e.__class__, requests.exceptions.RequestException)):
|
||||
# other requests exception
|
||||
logger.exception("engine {0} : requests exception"
|
||||
"(search duration : {1} s, timeout: {2} s) : {3}"
|
||||
.format(engine_name, search_duration, timeout_limit, e))
|
||||
requests_exception = True
|
||||
else:
|
||||
# others errors
|
||||
logger.exception('engine {0} : exception : {1}'.format(engine_name, e))
|
||||
|
||||
# update continuous_errors / suspend_end_time
|
||||
if requests_exception:
|
||||
with threading.RLock():
|
||||
engine.continuous_errors += 1
|
||||
engine.suspend_end_time = time() + min(60, engine.continuous_errors)
|
||||
|
||||
#
|
||||
return False
|
||||
|
||||
|
||||
def search_multiple_requests(requests, result_container, timeout_limit):
|
||||
@ -148,7 +157,7 @@ def search_multiple_requests(requests, result_container, timeout_limit):
|
||||
|
||||
for engine_name, query, request_params in requests:
|
||||
th = threading.Thread(
|
||||
target=search_one_request,
|
||||
target=search_one_request_safe,
|
||||
args=(engine_name, query, request_params, result_container, timeout_limit),
|
||||
name=search_id,
|
||||
)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user