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[fix] proper search timeout handling

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This commit is contained in:
Adam Tauber 2014-12-14 01:18:01 +01:00
parent f5aec98cbd
commit a5324d9d82
1 changed files with 19 additions and 6 deletions
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25
searx/search.py
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@ -21,6 +21,8 @@ import re
from itertools import izip_longest, chain from itertools import izip_longest, chain
from datetime import datetime from datetime import datetime
from operator import itemgetter from operator import itemgetter
from Queue import Queue
from time import time
from urlparse import urlparse, unquote from urlparse import urlparse, unquote
from searx.engines import ( from searx.engines import (
categories, engines categories, engines
@ -34,6 +36,8 @@ number_of_searches = 0
def threaded_requests(requests): def threaded_requests(requests):
timeout_limit = max(r[2]['timeout'] for r in requests)
search_start = time()
for fn, url, request_args in requests: for fn, url, request_args in requests:
th = threading.Thread( th = threading.Thread(
target=fn, target=fn,
@ -45,7 +49,11 @@ def threaded_requests(requests):
for th in threading.enumerate(): for th in threading.enumerate():
if th.name == 'search_request': if th.name == 'search_request':
th.join() remaining_time = max(0.0, timeout_limit - (time() - search_start))
th.join(remaining_time)
if th.isAlive():
print('engine timeout')
# get default reqest parameter # get default reqest parameter
@ -56,7 +64,7 @@ def default_request_params():
# create a callback wrapper for the search engine results # create a callback wrapper for the search engine results
def make_callback(engine_name, def make_callback(engine_name,
results, results_queue,
suggestions, suggestions,
answers, answers,
infoboxes, infoboxes,
@ -74,7 +82,7 @@ def make_callback(engine_name,
except Exception, e: except Exception, e:
# increase errors stats # increase errors stats
engines[engine_name].stats['errors'] += 1 engines[engine_name].stats['errors'] += 1
results[engine_name] = cb_res results_queue.put_nowait((engine_name, cb_res))
# print engine name and specific error message # print engine name and specific error message
print '[E] Error with engine "{0}":\n\t{1}'.format( print '[E] Error with engine "{0}":\n\t{1}'.format(
@ -104,7 +112,7 @@ def make_callback(engine_name,
# append result # append result
cb_res.append(result) cb_res.append(result)
results[engine_name] = cb_res results_queue.put_nowait((engine_name, cb_res))
# update stats with current page-load-time # update stats with current page-load-time
engines[engine_name].stats['page_load_time'] += \ engines[engine_name].stats['page_load_time'] += \
@ -420,7 +428,7 @@ class Search(object):
# init vars # init vars
requests = [] requests = []
results = {} results_queue = Queue()
suggestions = set() suggestions = set()
answers = set() answers = set()
infoboxes = [] infoboxes = []
@ -468,7 +476,7 @@ class Search(object):
# create a callback wrapper for the search engine results # create a callback wrapper for the search engine results
callback = make_callback( callback = make_callback(
selected_engine['name'], selected_engine['name'],
results, results_queue,
suggestions, suggestions,
answers, answers,
infoboxes, infoboxes,
@ -502,6 +510,11 @@ class Search(object):
# send all search-request # send all search-request
threaded_requests(requests) threaded_requests(requests)
results = {}
while not results_queue.empty():
engine_name, engine_results = results_queue.get_nowait()
results[engine_name] = engine_results
# update engine-specific stats # update engine-specific stats
for engine_name, engine_results in results.items(): for engine_name, engine_results in results.items():
engines[engine_name].stats['search_count'] += 1 engines[engine_name].stats['search_count'] += 1