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[mod] strict timeout handling

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This commit is contained in:
Adam Tauber 2014-12-18 10:11:56 +01:00
parent 19b1cedc23
commit 77c3a27f56
1 changed files with 14 additions and 18 deletions
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32
searx/search.py
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@ -19,7 +19,6 @@ import requests as requests_lib
import threading
import re
from itertools import izip_longest, chain
from datetime import datetime
from operator import itemgetter
from Queue import Queue
from time import time
@ -39,6 +38,7 @@ def threaded_requests(requests):
timeout_limit = max(r[2]['timeout'] for r in requests)
search_start = time()
for fn, url, request_args in requests:
request_args['timeout'] = timeout_limit
th = threading.Thread(
target=fn,
args=(url,),
@ -63,13 +63,7 @@ def default_request_params():
# create a callback wrapper for the search engine results
def make_callback(engine_name,
results_queue,
suggestions,
answers,
infoboxes,
callback,
params):
def make_callback(engine_name, results_queue, callback, params):
# creating a callback wrapper for the search engine results
def process_callback(response, **kwargs):
@ -87,6 +81,14 @@ def make_callback(engine_name,
engine_name, str(e))
return
timeout_overhead = 0.2 # seconds
search_duration = time() - params['started']
timeout_limit = engines[engine_name].timeout + timeout_overhead
if search_duration > timeout_limit:
engines[engine_name].stats['page_load_time'] += timeout_limit
engines[engine_name].stats['errors'] += 1
return
# add results
for result in search_results:
result['engine'] = engine_name
@ -94,8 +96,7 @@ def make_callback(engine_name,
results_queue.put_nowait((engine_name, search_results))
# update stats with current page-load-time
engines[engine_name].stats['page_load_time'] += \
(datetime.now() - params['started']).total_seconds()
engines[engine_name].stats['page_load_time'] += search_duration
return process_callback
@ -439,14 +440,13 @@ class Search(object):
request_params = default_request_params()
request_params['headers']['User-Agent'] = user_agent
request_params['category'] = selected_engine['category']
request_params['started'] = datetime.now()
request_params['started'] = time()
request_params['pageno'] = self.pageno
request_params['language'] = self.lang
# update request parameters dependent on
# search-engine (contained in engines folder)
request_params = engine.request(self.query.encode('utf-8'),
request_params)
engine.request(self.query.encode('utf-8'), request_params)
if request_params['url'] is None:
# TODO add support of offline engines
@ -456,12 +456,8 @@ class Search(object):
callback = make_callback(
selected_engine['name'],
results_queue,
suggestions,
answers,
infoboxes,
engine.response,
request_params
)
request_params)
# create dictionary which contain all
# informations about the request