マルチスレッドを使用して、URL の txt ファイルを調べ、各 URL で見つかったコンテンツをスクレイピングしようとしています。これは約 20 個の URL で機能しますが (数は一定ではありません)、ファイルの最後の URL で一貫してスタックします。それらを順番に実行していないようです。
なぜ動かなくなったのか、どこから始めればよいのかわかりません。ご協力いただきありがとうございます。
from bs4 import BeautifulSoup, SoupStrainer
import urllib3
import urllib2
import io
import os
import re
import workerpool
from urllib2 import Request, urlopen, URLError
NUM_SOCKETS = 3
NUM_WORKERS = 5
urlfile = open("dailynewsurls.txt",'r') # read one line at a time until end of file
http = urllib3.PoolManager(maxsize=NUM_SOCKETS)
workers = workerpool.WorkerPool(size=NUM_WORKERS)
class MyJob(workerpool.Job):
def __init__(self, url):
self.url = url
def run(self):
r = http.request('GET', self.url)
req = urllib2.Request(url)
try:
page = urllib2.urlopen(req)
except:
print "had to skip one"
return
pagecontent = page.read() # get a file-like object at this url
#this tells it to soup the page that is at the url above
soup = BeautifulSoup(pagecontent)
#this tells it to find the string in the first instance of each of the tags in the parenthesis
title = soup.find_all('title')
article = soup.find_all('article')
try:
title = str(title[0].get_text().encode('utf-8'))
except:
print "had to skip one"
return
try:
article = str(article[0].get_text().encode('utf-8'))
except:
print "had to skip one"
return
try:
# make the file using the things above
output_files_pathname = 'DailyNews/' # path where output will go
new_filename = title + ".txt"
# write each of the things defined into the text file
outfile = open(output_files_pathname + new_filename,'w')
outfile.write(title)
outfile.write("\n")
outfile.write(article)
outfile.close()
print "%r added as a text file" % title
return
except:
print "had to skip one"
return
return
for url in urlfile:
workers.put(MyJob(url))
workers.shutdown()
workers.wait()
print "All done."
URL のリストの例を次に示します。
http://www.nydailynews.com/entertainment/tv-movies/x-factor-season-2-episode-2-recap-oops-britney-spears-article-1.1159546
http://www.nydailynews.com/new-york/brooklyn/lois-mclohon-resurfaced-iconic-daily-news-coney-island-cheesecake-photo-brings-back-memories-50-year-long-romance-article-1.1160457
http://www.nydailynews.com/new-york/uptown/espaillat-linares-rivals-bitter-history-battle-state-senate-seat-article-1.1157994
http://www.nydailynews.com/sports/baseball/mlb-power-rankings-yankees-split-orioles-tumble-rankings-nationals-shut-stephen-strasburg-hang-top-spot-article-1.1155953
http://www.nydailynews.com/news/national/salon-sell-internet-online-communities-article-1.1150614
http://www.nydailynews.com/sports/more-sports/jiyai-shin-wins-women-british-open-dominating-fashion-record-nine-shot-victory-article-1.1160894
http://www.nydailynews.com/entertainment/music-arts/justin-bieber-offered-hockey-contract-bakersfield-condors-minor-league-team-article-1.1157991
http://www.nydailynews.com/sports/baseball/yankees/umpire-blown-call-9th-inning-dooms-yankees-5-4-loss-baltimore-orioles-camden-yards-article-1.1155141
http://www.nydailynews.com/entertainment/gossip/kellie-pickler-shaving-head-support-best-friend-cancer-fight-hair-article-1.1160938
http://www.nydailynews.com/new-york/secret-103-000-settlement-staffers-accused-assemblyman-vito-lopez-sexual-harassment-included-penalty-20k-involved-talked-details-article-1.1157849
http://www.nydailynews.com/entertainment/tv-movies/ricki-lake-fun-adds-substance-new-syndicated-daytime-show-article-1.1153301
http://www.nydailynews.com/sports/college/matt-barkley-loyalty-usc-trojans-contention-bcs-national-championship-article-1.1152969
http://www.nydailynews.com/sports/daily-news-sports-photos-day-farewell-andy-roddick-world-1-u-s-open-champ-retires-loss-juan-martin-del-potro-article-1.1152827
http://www.nydailynews.com/entertainment/gossip/britney-spears-made-move-relationship-fiance-jason-trawick-reveals-article-1.1152722
http://www.nydailynews.com/new-york/brooklyn/brooklyn-lupus-center-tayumika-zurita-leads-local-battle-disease-difficult-adversary-article-1.1153494
http://www.nydailynews.com/life-style/fashion/kate-middleton-prabal-gurung-dress-sells-hour-myhabit-site-sold-1-995-dress-599-article-1.1161583
http://www.nydailynews.com/news/politics/obama-romney-campaigns-vie-advantage-president-maintains-lead-article-1.1161540
http://www.nydailynews.com/life-style/free-cheap-new-york-city-tuesday-sept-11-article-1.1155950
http://www.nydailynews.com/news/world/dozens-storm-embassy-compound-tunis-article-1.1159663
http://www.nydailynews.com/opinion/send-egypt-message-article-1.1157828
http://www.nydailynews.com/sports/more-sports/witnesses-feel-sheryl-crow-lance-amstrong-activities-article-1.1152899
http://www.nydailynews.com/sports/baseball/yankees/hiroki-kuroda-replacing-cc-sabathia-yankees-ace-pitcher-real-possibility-playoffs-looming-article-1.1161812
http://www.nydailynews.com/life-style/eats/finland-hosts-pop-down-restaurant-belly-earth-262-feet-underground-article-1.1151523
http://www.nydailynews.com/sports/more-sports/mighty-quinn-sept-23-article-1.1165584
http://www.nydailynews.com/sports/more-sports/jerry-king-lawler-stable-condition-suffering-heart-attack-wwe-raw-broadcast-monday-night-article-1.1156915
http://www.nydailynews.com/news/politics/ambassador-chris-stevens-breathing-libyans-found-american-consulate-rescue-article-1.1161454
http://www.nydailynews.com/news/crime/swiss-banker-bradley-birkenfeld-104-million-reward-irs-blowing-whistle-thousands-tax-dodgers-article-1.1156736
http://www.nydailynews.com/sports/hockey/nhl-board-governors-votes-favor-lockout-league-players-association-fail-reach-agreement-cba-article-1.1159131
http://www.nydailynews.com/news/national/iphone-5-works-t-network-article-1.1165543
http://www.nydailynews.com/sports/baseball/yankees/yankees-broadcasters-michael-kay-ken-singleton-opportunity-important-statement-article-1.1165479
http://www.nydailynews.com/news/national/boss-year-michigan-car-dealer-retires-employees-1-000-year-service-article-1.1156763
http://www.nydailynews.com/entertainment/tv-movies/hero-denzel-washington-clint-eastwood-article-1.1165538
http://www.nydailynews.com/sports/football/giants/ny-giants-secondary-roasted-tony-romo-dallas-cowboys-offense-article-1.1153055
http://www.nydailynews.com/news/national/hide-and-seek-tragedy-3-year-old-suffocates-hiding-bean-bag-article-1.1160138