<commit_before>'''
searx is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

searx is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with searx. If not, see < http://www.gnu.org/licenses/ >.

(C) 2013- by <NAME>, <<EMAIL>>
'''

import requests as requests_lib
import threading
import re
from itertools import izip_longest, chain
from operator import itemgetter
from Queue import Queue
from time import time
from urlparse import urlparse, unquote
from searx.engines import (
    categories, engines
)
from searx.languages import language_codes
from searx.utils import gen_useragent
from searx.query import Query


number_of_searches = 0


def threaded_requests(requests):
    timeout_limit = max(r[2]['timeout'] for r in requests)
    search_start = time()
    for fn, url, request_args, engine_name in requests:
        request_args['timeout'] = timeout_limit
        th = threading.Thread(
            target=fn,
            args=(url,),
            kwargs=request_args,
            name='search_request',
        )
        th._engine_name = engine_name
        th.start()

    for th in threading.enumerate():
        if th.name == 'search_request':
            remaining_time = max(0.0, timeout_limit - (time() - search_start))
            th.join(remaining_time)
            if th.isAlive():
                print('engine timeout: {0}'.format(th._engine_name))



# get default reqest parameter
def default_request_params():
    return {
        'method': 'GET', 'headers': {}, 'data': {}, 'url': '', 'cookies': {}, 'verify': True}


# create a callback wrapper for the search engine results
def make_callback(engine_name, results_queue, callback, params):

    # creating a callback wrapper for the search engine results
    def process_callback(response, **kwargs):
        response.search_params = params

        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

        # callback
        try:
            search_results = callback(response)
        except Exception, e:
            # increase errors stats
            engines[engine_name].stats['errors'] += 1

            # print engine name and specific error message
            print '[E] Error with engine "{0}":\n\t{1}'.format(
                engine_name, str(e))
            return

        # add results
        for result in search_results:
            result['engine'] = engine_name

        results_queue.put_nowait((engine_name, search_results))

        # update stats with current page-load-time
        engines[engine_name].stats['page_load_time'] += search_duration

    return process_callback


# return the meaningful length of the content for a result
def content_result_len(content):
    if isinstance(content, basestring):
        content = re.sub('[,;:!?\./\\\\ ()-_]', '', content)
        return len(content)<commit_msg>[mod] better search request exception handling<commit_after>'''
searx is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

searx is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with searx. If not, see < http://www.gnu.org/licenses/ >.

(C) 2013- by <NAME>, <<EMAIL>>
'''

import requests as requests_lib
import threading
import re
from itertools import izip_longest, chain
from operator import itemgetter
from Queue import Queue
from time import time
from urlparse import urlparse, unquote
from searx.engines import (
    categories, engines
)
from searx.languages import language_codes
from searx.utils import gen_useragent
from searx.query import Query


number_of_searches = 0


def search_request_wrapper(fn, url, engine_name, **kwargs):
    try:
        return fn(url, **kwargs)
    except Exception, e:
        # increase errors stats
        engines[engine_name].stats['errors'] += 1

        # print engine name and specific error message
        print('[E] Error with engine "{0}":\n\t{1}'.format(
            engine_name, str(e)))
        return


def threaded_requests(requests):
    timeout_limit = max(r[2]['timeout'] for r in requests)
    search_start = time()
    for fn, url, request_args, engine_name in requests:
        request_args['timeout'] = timeout_limit
        th = threading.Thread(
            target=search_request_wrapper,
            args=(fn, url, engine_name),
            kwargs=request_args,
            name='search_request',
        )
        th._engine_name = engine_name
        th.start()

    for th in threading.enumerate():
        if th.name == 'search_request':
            remaining_time = max(0.0, timeout_limit - (time() - search_start))
            th.join(remaining_time)
            if th.isAlive():
                print('engine timeout: {0}'.format(th._engine_name))



# get default reqest parameter
def default_request_params():
    return {
        'method': 'GET', 'headers': {}, 'data': {}, 'url': '', 'cookies': {}, 'verify': True}


# create a callback wrapper for the search engine results
def make_callback(engine_name, results_queue, callback, params):

    # creating a callback wrapper for the search engine results
    def process_callback(response, **kwargs):
        response.search_params = params

        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

        # callback
        search_results = callback(response)

        # add results
        for result in search_results:
            result['engine'] = engine_name

        results_queue.put_nowait((engine_name, search_results))

        # update stats with current page-load-time
        engines[engine_name].stats['page_load_time'] += search_duration

    return process_callback


# return the meaningful length of the content for a result
def content_result_len(content):
    if isinstance(content, basestring):
        content = re.sub('[,;:!?\./\\\\ ()-_]', '', content)
        return len(content)
{'fraction_non_alphanumeric': 0.09301038062283737, 'fraction_numerical': 0.004429065743944637, 'mean_word_length': 3.025626740947075, 'pattern_counts': {'":': 2, '<': 11, '<?xml version=': 0, '>': 13, 'https://': 0, 'lorem ipsum': 0, 'www.': 2, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5955279', 'n_tokens_mistral': 1984, 'n_tokens_neox': 1931, 'n_words': 667}