<s> import sys <EOL> import logging <EOL> from datetime import datetime <EOL> from twisted . python import logfile , log as tlog <EOL> from scrapy . crawler import Crawler <EOL> from scrapy . utils . misc import load_object <EOL> from scrapy . settings import Settings <EOL> from scrapy . log import ScrapyFileLogObserver <EOL> def create_crawler_object ( spider_ , settings_ ) : <EOL> """<STR_LIT>""" <EOL> crwlr = Crawler ( settings_ ) <EOL> crwlr . configure ( ) <EOL> crwlr . crawl ( spider_ ) <EOL> return crwlr <EOL> def start_logger ( debug ) : <EOL> """<STR_LIT>""" <EOL> if debug : <EOL> tlog . startLogging ( sys . stdout ) <EOL> else : <EOL> filename = datetime . now ( ) . strftime ( "<STR_LIT>" ) <EOL> logfile_ = logfile . LogFile ( filename , '<STR_LIT>' , maxRotatedFiles = <NUM_LIT:100> ) <EOL> logger = ScrapyFileLogObserver ( logfile_ , logging . INFO ) <EOL> tlog . addObserver ( logger . emit ) <EOL> def get_spider_settings ( flask_app_config , spider_scrapy_settings ) : <EOL> """<STR_LIT>""" <EOL> all_settings = flask_app_config [ '<STR_LIT>' ] <EOL> if '<STR_LIT>' not in all_settings : <EOL> all_settings [ '<STR_LIT>' ] = { } <EOL> if flask_app_config [ '<STR_LIT>' ] : <EOL> all_settings [ '<STR_LIT>' ] [ '<STR_LIT>' ] = <NUM_LIT:100> <EOL> if flask_app_config [ '<STR_LIT>' ] : <EOL> all_settings [ '<STR_LIT>' ] [ '<STR_LIT>' ] = <NUM_LIT:200> <EOL> for setting , _ in all_settings . items ( ) : <EOL> if setting in spider_scrapy_settings : <EOL> all_settings [ setting ] . update ( spider_scrapy_settings [ setting ] ) <EOL> settings = Settings ( all_settings ) <EOL> return settings <EOL> def start_crawler ( spider_loc , flask_app_config , spider_scrapy_settings ) : <EOL> start_logger ( flask_app_config [ '<STR_LIT>' ] ) <EOL> spider = load_object ( spider_loc ) <EOL> settings = get_spider_settings ( flask_app_config , spider_scrapy_settings ) <EOL> crawler = create_crawler_object ( spider ( ) , settings ) <EOL> crawler . start ( ) </s>
