mirror of
https://github.com/samuelclay/NewsBlur.git
synced 2025-08-05 16:58:59 +00:00
0d6cb69548
* django1.11: (73 commits)
Switching to new celery 4 standalone binary.
Fixing various mongo data calls.
Upgrading to latest celery 4 (holy moly), which required some big changes to project layout. Still needs supervisor scripts updated.
Removing unused log on cookies.
I believe this Context wrapping is still preserved. See this django ticket: https://code.djangoproject.com/ticket/28125. Reverting this fixes the error, so I'm assuming this is that type of render.
Have to revert 3f122d5e03 because this broke existing sessions (logged me out) because the model has changed and the serialized model stored in redis no longer matches. Whew, this took a while to figure out.
Upgrading redis cache.
Adding cookies to path inspector.
Removing dupe db log.
Fixing missing DB logs (redis and mongo) due to this change in django 1.8: "connections.queries is now a read-only attribute."
Removing migrations that set a default date of 2020-05-08. Not sure why this was committed. I thought we resolved the issue with default datetimes?
Fixing CallableBool.
Missing import
Fixing runtime errors on django 1.10
Fixing OAuth connect.
Fixing various django1.9 issues, mainly around templates.
BASE_DIR
Not every story is from a feed.
Styling background colors for newsletters.
Styling more newsletter elements.
...
940 lines
47 KiB
Python
940 lines
47 KiB
Python
import time
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import datetime
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import traceback
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import multiprocessing
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import urllib.request, urllib.error, urllib.parse
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import xml.sax
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import redis
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import random
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import pymongo
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import re
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import requests
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import dateutil.parser
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import isodate
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import urllib.parse
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from django.conf import settings
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from django.db import IntegrityError
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from django.core.cache import cache
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from apps.reader.models import UserSubscription
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from apps.rss_feeds.models import Feed, MStory
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from apps.rss_feeds.page_importer import PageImporter
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from apps.rss_feeds.icon_importer import IconImporter
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from apps.notifications.tasks import QueueNotifications, MUserFeedNotification
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from apps.push.models import PushSubscription
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from apps.statistics.models import MAnalyticsFetcher, MStatistics
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from utils import feedparser
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from utils.story_functions import pre_process_story, strip_tags, linkify
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from utils import log as logging
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from utils.feed_functions import timelimit, TimeoutError
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from qurl import qurl
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from BeautifulSoup import BeautifulSoup
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from mongoengine import connect, connection
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from django.utils import feedgenerator
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from django.utils.html import linebreaks
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from django.utils.encoding import smart_unicode
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from utils import json_functions as json
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from celery.exceptions import SoftTimeLimitExceeded
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from utils.twitter_fetcher import TwitterFetcher
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from utils.facebook_fetcher import FacebookFetcher
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from utils.json_fetcher import JSONFetcher
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# from utils.feed_functions import mail_feed_error_to_admin
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# Refresh feed code adapted from Feedjack.
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# http://feedjack.googlecode.com
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FEED_OK, FEED_SAME, FEED_ERRPARSE, FEED_ERRHTTP, FEED_ERREXC = list(range(5))
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class FetchFeed:
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def __init__(self, feed_id, options):
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self.feed = Feed.get_by_id(feed_id)
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self.options = options
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self.fpf = None
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self.raw_feed = None
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@timelimit(30)
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def fetch(self):
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"""
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Uses requests to download the feed, parsing it in feedparser. Will be storified later.
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"""
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start = time.time()
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identity = self.get_identity()
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log_msg = '%2s ---> [%-30s] ~FYFetching feed (~FB%d~FY), last update: %s' % (identity,
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self.feed.log_title[:30],
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self.feed.id,
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datetime.datetime.now() - self.feed.last_update)
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logging.debug(log_msg)
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etag = self.feed.etag
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modified = self.feed.last_modified.utctimetuple()[:7] if self.feed.last_modified else None
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address = self.feed.feed_address
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if (self.options.get('force') or random.random() <= .01):
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self.options['force'] = True
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modified = None
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etag = None
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address = qurl(address, add={"_": random.randint(0, 10000)})
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logging.debug(' ---> [%-30s] ~FBForcing fetch: %s' % (
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self.feed.log_title[:30], address))
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elif (not self.feed.fetched_once or not self.feed.known_good):
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modified = None
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etag = None
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if self.options.get('feed_xml'):
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logging.debug(' ---> [%-30s] ~FM~BKFeed has been fat pinged. Ignoring fat: %s' % (
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self.feed.log_title[:30], len(self.options.get('feed_xml'))))
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if self.options.get('fpf'):
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self.fpf = self.options.get('fpf')
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logging.debug(' ---> [%-30s] ~FM~BKFeed fetched in real-time with fat ping.' % (
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self.feed.log_title[:30]))
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return FEED_OK, self.fpf
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if 'youtube.com' in address:
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try:
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youtube_feed = self.fetch_youtube(address)
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except (requests.adapters.ConnectionError):
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youtube_feed = None
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if not youtube_feed:
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logging.debug(' ***> [%-30s] ~FRYouTube fetch failed: %s.' %
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(self.feed.log_title[:30], address))
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return FEED_ERRHTTP, None
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self.fpf = feedparser.parse(youtube_feed)
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elif re.match(r'(https?)?://twitter.com/\w+/?', qurl(address, remove=['_'])):
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twitter_feed = self.fetch_twitter(address)
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if not twitter_feed:
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logging.debug(' ***> [%-30s] ~FRTwitter fetch failed: %s' %
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(self.feed.log_title[:30], address))
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return FEED_ERRHTTP, None
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self.fpf = feedparser.parse(twitter_feed)
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elif re.match(r'(.*?)facebook.com/\w+/?$', qurl(address, remove=['_'])):
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facebook_feed = self.fetch_facebook()
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if not facebook_feed:
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logging.debug(' ***> [%-30s] ~FRFacebook fetch failed: %s' %
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(self.feed.log_title[:30], address))
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return FEED_ERRHTTP, None
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self.fpf = feedparser.parse(facebook_feed)
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if not self.fpf:
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try:
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headers = self.feed.fetch_headers()
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if etag:
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headers['If-None-Match'] = etag
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if modified:
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# format into an RFC 1123-compliant timestamp. We can't use
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# time.strftime() since the %a and %b directives can be affected
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# by the current locale, but RFC 2616 states that dates must be
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# in English.
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short_weekdays = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
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months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
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modified_header = '%s, %02d %s %04d %02d:%02d:%02d GMT' % (short_weekdays[modified[6]], modified[2], months[modified[1] - 1], modified[0], modified[3], modified[4], modified[5])
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headers['If-Modified-Since'] = modified_header
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if etag or modified:
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headers['A-IM'] = 'feed'
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raw_feed = requests.get(address, headers=headers)
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if raw_feed.status_code >= 400:
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logging.debug(" ***> [%-30s] ~FRFeed fetch was %s status code, trying fake user agent: %s" % (self.feed.log_title[:30], raw_feed.status_code, raw_feed.headers))
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raw_feed = requests.get(self.feed.feed_address, headers=self.feed.fetch_headers(fake=True))
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if raw_feed.content and 'application/json' in raw_feed.headers.get('Content-Type', ""):
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# JSON Feed
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json_feed = self.fetch_json_feed(address, raw_feed)
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if not json_feed:
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logging.debug(' ***> [%-30s] ~FRJSON fetch failed: %s' %
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(self.feed.log_title[:30], address))
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return FEED_ERRHTTP, None
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self.fpf = feedparser.parse(json_feed)
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elif raw_feed.content and raw_feed.status_code < 400:
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response_headers = raw_feed.headers
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response_headers['Content-Location'] = raw_feed.url
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self.raw_feed = smart_unicode(raw_feed.content)
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self.fpf = feedparser.parse(self.raw_feed,
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response_headers=response_headers)
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if self.options.get('debug', False):
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logging.debug(" ---> [%-30s] ~FBFeed fetch status %s: %s length / %s" % (self.feed.log_title[:30], raw_feed.status_code, len(smart_unicode(raw_feed.content)), raw_feed.headers))
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except Exception as e:
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logging.debug(" ***> [%-30s] ~FRFeed failed to fetch with request, trying feedparser: %s" % (self.feed.log_title[:30], str(e)[:100]))
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if not self.fpf or self.options.get('force_fp', False):
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try:
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self.fpf = feedparser.parse(address,
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agent=self.feed.user_agent,
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etag=etag,
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modified=modified)
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except (TypeError, ValueError, KeyError, EOFError, MemoryError) as e:
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logging.debug(' ***> [%-30s] ~FRFeed fetch error: %s' %
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(self.feed.log_title[:30], e))
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pass
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if not self.fpf:
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try:
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logging.debug(' ***> [%-30s] ~FRTurning off headers...' %
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(self.feed.log_title[:30]))
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self.fpf = feedparser.parse(address, agent=self.feed.user_agent)
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except (TypeError, ValueError, KeyError, EOFError, MemoryError) as e:
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logging.debug(' ***> [%-30s] ~FRFetch failed: %s.' %
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(self.feed.log_title[:30], e))
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return FEED_ERRHTTP, None
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logging.debug(' ---> [%-30s] ~FYFeed fetch in ~FM%.4ss' % (
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self.feed.log_title[:30], time.time() - start))
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return FEED_OK, self.fpf
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def get_identity(self):
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identity = "X"
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current_process = multiprocessing.current_process()
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if current_process._identity:
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identity = current_process._identity[0]
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return identity
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def fetch_twitter(self, address=None):
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twitter_fetcher = TwitterFetcher(self.feed, self.options)
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return twitter_fetcher.fetch(address)
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def fetch_facebook(self):
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facebook_fetcher = FacebookFetcher(self.feed, self.options)
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return facebook_fetcher.fetch()
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def fetch_json_feed(self, address, headers):
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json_fetcher = JSONFetcher(self.feed, self.options)
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return json_fetcher.fetch(address, headers)
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def fetch_youtube(self, address):
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username = None
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channel_id = None
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list_id = None
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if 'gdata.youtube.com' in address:
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try:
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username_groups = re.search('gdata.youtube.com/feeds/\w+/users/(\w+)/', address)
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if not username_groups:
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return
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username = username_groups.group(1)
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except IndexError:
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return
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elif 'youtube.com/feeds/videos.xml?user=' in address:
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try:
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username = urllib.parse.parse_qs(urllib.parse.urlparse(address).query)['user'][0]
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except IndexError:
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return
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elif 'youtube.com/feeds/videos.xml?channel_id=' in address:
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try:
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channel_id = urllib.parse.parse_qs(urllib.parse.urlparse(address).query)['channel_id'][0]
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except (IndexError, KeyError):
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return
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elif 'youtube.com/playlist' in address:
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try:
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list_id = urllib.parse.parse_qs(urllib.parse.urlparse(address).query)['list'][0]
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except IndexError:
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return
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elif 'youtube.com/feeds/videos.xml?playlist_id' in address:
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try:
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list_id = urllib.parse.parse_qs(urllib.parse.urlparse(address).query)['playlist_id'][0]
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except IndexError:
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return
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if channel_id:
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video_ids_xml = requests.get("https://www.youtube.com/feeds/videos.xml?channel_id=%s" % channel_id)
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channel_json = requests.get("https://www.googleapis.com/youtube/v3/channels?part=snippet&id=%s&key=%s" %
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(channel_id, settings.YOUTUBE_API_KEY))
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channel = json.decode(channel_json.content)
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try:
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username = channel['items'][0]['snippet']['title']
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description = channel['items'][0]['snippet']['description']
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except (IndexError, KeyError):
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return
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elif list_id:
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playlist_json = requests.get("https://www.googleapis.com/youtube/v3/playlists?part=snippet&id=%s&key=%s" %
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(list_id, settings.YOUTUBE_API_KEY))
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playlist = json.decode(playlist_json.content)
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try:
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username = playlist['items'][0]['snippet']['title']
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description = playlist['items'][0]['snippet']['description']
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except (IndexError, KeyError):
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return
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channel_url = "https://www.youtube.com/playlist?list=%s" % list_id
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elif username:
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video_ids_xml = requests.get("https://www.youtube.com/feeds/videos.xml?user=%s" % username)
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description = "YouTube videos uploaded by %s" % username
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else:
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return
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if list_id:
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playlist_json = requests.get("https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&playlistId=%s&key=%s" %
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(list_id, settings.YOUTUBE_API_KEY))
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playlist = json.decode(playlist_json.content)
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try:
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video_ids = [video['snippet']['resourceId']['videoId'] for video in playlist['items']]
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except (IndexError, KeyError):
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return
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else:
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if video_ids_xml.status_code != 200:
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return
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video_ids_soup = BeautifulSoup(video_ids_xml.content)
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channel_url = video_ids_soup.find('author').find('uri').getText()
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video_ids = []
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for video_id in video_ids_soup.findAll('yt:videoid'):
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video_ids.append(video_id.getText())
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videos_json = requests.get("https://www.googleapis.com/youtube/v3/videos?part=contentDetails%%2Csnippet&id=%s&key=%s" %
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(','.join(video_ids), settings.YOUTUBE_API_KEY))
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videos = json.decode(videos_json.content)
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if 'error' in videos:
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logging.debug(" ***> ~FRYoutube returned an error: ~FM~SB%s" % (videos))
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return
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data = {}
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data['title'] = ("%s's YouTube Videos" % username if 'Uploads' not in username else username)
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data['link'] = channel_url
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data['description'] = description
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data['lastBuildDate'] = datetime.datetime.utcnow()
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data['generator'] = 'NewsBlur YouTube API v3 Decrapifier - %s' % settings.NEWSBLUR_URL
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data['docs'] = None
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data['feed_url'] = address
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rss = feedgenerator.Atom1Feed(**data)
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for video in videos['items']:
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thumbnail = video['snippet']['thumbnails'].get('maxres')
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if not thumbnail:
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thumbnail = video['snippet']['thumbnails'].get('high')
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if not thumbnail:
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thumbnail = video['snippet']['thumbnails'].get('medium')
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duration_sec = isodate.parse_duration(video['contentDetails']['duration']).seconds
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if duration_sec >= 3600:
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hours = (duration_sec / 3600)
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minutes = (duration_sec - (hours*3600)) / 60
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seconds = duration_sec - (hours*3600) - (minutes*60)
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duration = "%s:%s:%s" % (hours, '{0:02d}'.format(minutes), '{0:02d}'.format(seconds))
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else:
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minutes = duration_sec / 60
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seconds = duration_sec - (minutes*60)
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duration = "%s:%s" % ('{0:02d}'.format(minutes), '{0:02d}'.format(seconds))
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content = """<div class="NB-youtube-player"><iframe allowfullscreen="true" src="%s?iv_load_policy=3"></iframe></div>
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<div class="NB-youtube-stats"><small>
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<b>From:</b> <a href="%s">%s</a><br />
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<b>Duration:</b> %s<br />
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</small></div><hr>
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<div class="NB-youtube-description">%s</div>
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<img src="%s" style="display:none" />""" % (
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("https://www.youtube.com/embed/" + video['id']),
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channel_url, username,
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duration,
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linkify(linebreaks(video['snippet']['description'])),
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thumbnail['url'] if thumbnail else "",
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)
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link = "http://www.youtube.com/watch?v=%s" % video['id']
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story_data = {
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'title': video['snippet']['title'],
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'link': link,
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'description': content,
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'author_name': username,
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'categories': [],
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'unique_id': "tag:youtube.com,2008:video:%s" % video['id'],
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'pubdate': dateutil.parser.parse(video['snippet']['publishedAt']),
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}
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rss.add_item(**story_data)
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return rss.writeString('utf-8')
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class ProcessFeed:
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def __init__(self, feed_id, fpf, options, raw_feed=None):
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self.feed_id = feed_id
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self.options = options
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self.fpf = fpf
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self.raw_feed = raw_feed
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def refresh_feed(self):
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self.feed = Feed.get_by_id(self.feed_id)
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if self.feed_id != self.feed.pk:
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logging.debug(" ***> Feed has changed: from %s to %s" % (self.feed_id, self.feed.pk))
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self.feed_id = self.feed.pk
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def process(self):
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""" Downloads and parses a feed.
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"""
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start = time.time()
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self.refresh_feed()
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ret_values = dict(new=0, updated=0, same=0, error=0)
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if hasattr(self.fpf, 'status'):
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if self.options['verbose']:
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if self.fpf.bozo and self.fpf.status != 304:
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logging.debug(' ---> [%-30s] ~FRBOZO exception: %s ~SB(%s entries)' % (
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self.feed.log_title[:30],
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self.fpf.bozo_exception,
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len(self.fpf.entries)))
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if self.fpf.status == 304:
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self.feed = self.feed.save()
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self.feed.save_feed_history(304, "Not modified")
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return FEED_SAME, ret_values
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# 302 and 307: Temporary redirect: ignore
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# 301 and 308: Permanent redirect: save it (after 10 tries)
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if self.fpf.status == 301 or self.fpf.status == 308:
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if self.fpf.href.endswith('feedburner.com/atom.xml'):
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return FEED_ERRHTTP, ret_values
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redirects, non_redirects = self.feed.count_redirects_in_history('feed')
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self.feed.save_feed_history(self.fpf.status, "HTTP Redirect (%d to go)" % (10-len(redirects)))
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if len(redirects) >= 10 or len(non_redirects) == 0:
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address = self.fpf.href
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if self.options['force'] and address:
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address = qurl(address, remove=['_'])
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self.feed.feed_address = address
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if not self.feed.known_good:
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self.feed.fetched_once = True
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logging.debug(" ---> [%-30s] ~SB~SK~FRFeed is %s'ing. Refetching..." % (self.feed.log_title[:30], self.fpf.status))
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self.feed = self.feed.schedule_feed_fetch_immediately()
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if not self.fpf.entries:
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self.feed = self.feed.save()
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self.feed.save_feed_history(self.fpf.status, "HTTP Redirect")
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return FEED_ERRHTTP, ret_values
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if self.fpf.status >= 400:
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logging.debug(" ---> [%-30s] ~SB~FRHTTP Status code: %s. Checking address..." % (self.feed.log_title[:30], self.fpf.status))
|
|
fixed_feed = None
|
|
if not self.feed.known_good:
|
|
fixed_feed, feed = self.feed.check_feed_link_for_feed_address()
|
|
if not fixed_feed:
|
|
self.feed.save_feed_history(self.fpf.status, "HTTP Error")
|
|
else:
|
|
self.feed = feed
|
|
self.feed = self.feed.save()
|
|
return FEED_ERRHTTP, ret_values
|
|
|
|
if not self.fpf:
|
|
logging.debug(" ---> [%-30s] ~SB~FRFeed is Non-XML. No feedparser feed either!" % (self.feed.log_title[:30]))
|
|
self.feed.save_feed_history(551, "Broken feed")
|
|
return FEED_ERRHTTP, ret_values
|
|
|
|
if self.fpf and not self.fpf.entries:
|
|
if self.fpf.bozo and isinstance(self.fpf.bozo_exception, feedparser.NonXMLContentType):
|
|
logging.debug(" ---> [%-30s] ~SB~FRFeed is Non-XML. %s entries. Checking address..." % (self.feed.log_title[:30], len(self.fpf.entries)))
|
|
fixed_feed = None
|
|
if not self.feed.known_good:
|
|
fixed_feed, feed = self.feed.check_feed_link_for_feed_address()
|
|
if not fixed_feed:
|
|
self.feed.save_feed_history(552, 'Non-xml feed', self.fpf.bozo_exception)
|
|
else:
|
|
self.feed = feed
|
|
self.feed = self.feed.save()
|
|
return FEED_ERRPARSE, ret_values
|
|
elif self.fpf.bozo and isinstance(self.fpf.bozo_exception, xml.sax._exceptions.SAXException):
|
|
logging.debug(" ---> [%-30s] ~SB~FRFeed has SAX/XML parsing issues. %s entries. Checking address..." % (self.feed.log_title[:30], len(self.fpf.entries)))
|
|
fixed_feed = None
|
|
if not self.feed.known_good:
|
|
fixed_feed, feed = self.feed.check_feed_link_for_feed_address()
|
|
if not fixed_feed:
|
|
self.feed.save_feed_history(553, 'Not an RSS feed', self.fpf.bozo_exception)
|
|
else:
|
|
self.feed = feed
|
|
self.feed = self.feed.save()
|
|
return FEED_ERRPARSE, ret_values
|
|
|
|
# the feed has changed (or it is the first time we parse it)
|
|
# saving the etag and last_modified fields
|
|
original_etag = self.feed.etag
|
|
self.feed.etag = self.fpf.get('etag')
|
|
if self.feed.etag:
|
|
self.feed.etag = self.feed.etag[:255]
|
|
# some times this is None (it never should) *sigh*
|
|
if self.feed.etag is None:
|
|
self.feed.etag = ''
|
|
if self.feed.etag != original_etag:
|
|
self.feed.save(update_fields=['etag'])
|
|
|
|
original_last_modified = self.feed.last_modified
|
|
if hasattr(self.fpf, 'modified') and self.fpf.modified:
|
|
try:
|
|
self.feed.last_modified = datetime.datetime.strptime(self.fpf.modified, '%a, %d %b %Y %H:%M:%S %Z')
|
|
except Exception as e:
|
|
self.feed.last_modified = None
|
|
logging.debug("Broken mtime %s: %s" % (self.feed.last_modified, e))
|
|
pass
|
|
if self.feed.last_modified != original_last_modified:
|
|
self.feed.save(update_fields=['last_modified'])
|
|
|
|
self.fpf.entries = self.fpf.entries[:100]
|
|
|
|
original_title = self.feed.feed_title
|
|
if self.fpf.feed.get('title'):
|
|
self.feed.feed_title = strip_tags(self.fpf.feed.get('title'))
|
|
if self.feed.feed_title != original_title:
|
|
self.feed.save(update_fields=['feed_title'])
|
|
|
|
tagline = self.fpf.feed.get('tagline', self.feed.data.feed_tagline)
|
|
if tagline:
|
|
original_tagline = self.feed.data.feed_tagline
|
|
self.feed.data.feed_tagline = smart_unicode(tagline)
|
|
if self.feed.data.feed_tagline != original_tagline:
|
|
self.feed.data.save(update_fields=['feed_tagline'])
|
|
|
|
if not self.feed.feed_link_locked:
|
|
new_feed_link = self.fpf.feed.get('link') or self.fpf.feed.get('id') or self.feed.feed_link
|
|
if self.options['force'] and new_feed_link:
|
|
new_feed_link = qurl(new_feed_link, remove=['_'])
|
|
if new_feed_link != self.feed.feed_link:
|
|
logging.debug(" ---> [%-30s] ~SB~FRFeed's page is different: %s to %s" % (self.feed.log_title[:30], self.feed.feed_link, new_feed_link))
|
|
redirects, non_redirects = self.feed.count_redirects_in_history('page')
|
|
self.feed.save_page_history(301, "HTTP Redirect (%s to go)" % (10-len(redirects)))
|
|
if len(redirects) >= 10 or len(non_redirects) == 0:
|
|
self.feed.feed_link = new_feed_link
|
|
self.feed.save(update_fields=['feed_link'])
|
|
|
|
# Determine if stories aren't valid and replace broken guids
|
|
guids_seen = set()
|
|
permalinks_seen = set()
|
|
for entry in self.fpf.entries:
|
|
guids_seen.add(entry.get('guid'))
|
|
permalinks_seen.add(Feed.get_permalink(entry))
|
|
guid_difference = len(guids_seen) != len(self.fpf.entries)
|
|
single_guid = len(guids_seen) == 1
|
|
replace_guids = single_guid and guid_difference
|
|
permalink_difference = len(permalinks_seen) != len(self.fpf.entries)
|
|
single_permalink = len(permalinks_seen) == 1
|
|
replace_permalinks = single_permalink and permalink_difference
|
|
|
|
# Compare new stories to existing stories, adding and updating
|
|
start_date = datetime.datetime.utcnow()
|
|
story_hashes = []
|
|
stories = []
|
|
for entry in self.fpf.entries:
|
|
story = pre_process_story(entry, self.fpf.encoding)
|
|
if not story['title'] and not story['story_content']: continue
|
|
if story.get('published') < start_date:
|
|
start_date = story.get('published')
|
|
if replace_guids:
|
|
if replace_permalinks:
|
|
new_story_guid = str(story.get('published'))
|
|
if self.options['verbose']:
|
|
logging.debug(' ---> [%-30s] ~FBReplacing guid (%s) with timestamp: %s' % (
|
|
self.feed.log_title[:30],
|
|
story.get('guid'), new_story_guid))
|
|
story['guid'] = new_story_guid
|
|
else:
|
|
new_story_guid = Feed.get_permalink(story)
|
|
if self.options['verbose']:
|
|
logging.debug(' ---> [%-30s] ~FBReplacing guid (%s) with permalink: %s' % (
|
|
self.feed.log_title[:30],
|
|
story.get('guid'), new_story_guid))
|
|
story['guid'] = new_story_guid
|
|
story['story_hash'] = MStory.feed_guid_hash_unsaved(self.feed.pk, story.get('guid'))
|
|
stories.append(story)
|
|
story_hashes.append(story.get('story_hash'))
|
|
|
|
original_story_hash_count = len(story_hashes)
|
|
story_hashes_in_unread_cutoff = self.feed.story_hashes_in_unread_cutoff[:original_story_hash_count]
|
|
story_hashes.extend(story_hashes_in_unread_cutoff)
|
|
story_hashes = list(set(story_hashes))
|
|
if self.options['verbose'] or settings.DEBUG:
|
|
logging.debug(' ---> [%-30s] ~FBFound ~SB%s~SN guids, adding ~SB%s~SN/%s guids from db' % (
|
|
self.feed.log_title[:30],
|
|
original_story_hash_count, len(story_hashes)-original_story_hash_count,
|
|
len(story_hashes_in_unread_cutoff)))
|
|
|
|
|
|
existing_stories = dict((s.story_hash, s) for s in MStory.objects(
|
|
story_hash__in=story_hashes,
|
|
# story_date__gte=start_date,
|
|
# story_feed_id=self.feed.pk
|
|
))
|
|
# if len(existing_stories) == 0:
|
|
# existing_stories = dict((s.story_hash, s) for s in MStory.objects(
|
|
# story_date__gte=start_date,
|
|
# story_feed_id=self.feed.pk
|
|
# ))
|
|
|
|
ret_values = self.feed.add_update_stories(stories, existing_stories,
|
|
verbose=self.options['verbose'],
|
|
updates_off=self.options['updates_off'])
|
|
|
|
# PubSubHubbub
|
|
if (hasattr(self.fpf, 'feed') and
|
|
hasattr(self.fpf.feed, 'links') and self.fpf.feed.links):
|
|
hub_url = None
|
|
self_url = self.feed.feed_address
|
|
for link in self.fpf.feed.links:
|
|
if link['rel'] == 'hub' and not hub_url:
|
|
hub_url = link['href']
|
|
elif link['rel'] == 'self':
|
|
self_url = link['href']
|
|
push_expired = False
|
|
if self.feed.is_push:
|
|
try:
|
|
push_expired = self.feed.push.lease_expires < datetime.datetime.now()
|
|
except PushSubscription.DoesNotExist:
|
|
self.feed.is_push = False
|
|
if (hub_url and self_url and not settings.DEBUG and
|
|
self.feed.active_subscribers > 0 and
|
|
(push_expired or not self.feed.is_push or self.options.get('force'))):
|
|
logging.debug(' ---> [%-30s] ~BB~FW%sSubscribing to PuSH hub: %s' % (
|
|
self.feed.log_title[:30],
|
|
"~SKRe-~SN" if push_expired else "", hub_url))
|
|
try:
|
|
PushSubscription.objects.subscribe(self_url, feed=self.feed, hub=hub_url)
|
|
except TimeoutError:
|
|
logging.debug(' ---> [%-30s] ~BB~FW~FRTimed out~FW subscribing to PuSH hub: %s' % (
|
|
self.feed.log_title[:30], hub_url))
|
|
elif (self.feed.is_push and
|
|
(self.feed.active_subscribers <= 0 or not hub_url)):
|
|
logging.debug(' ---> [%-30s] ~BB~FWTurning off PuSH, no hub found' % (
|
|
self.feed.log_title[:30]))
|
|
self.feed.is_push = False
|
|
self.feed = self.feed.save()
|
|
|
|
# Push notifications
|
|
if ret_values['new'] > 0 and MUserFeedNotification.feed_has_users(self.feed.pk) > 0:
|
|
QueueNotifications.delay(self.feed.pk, ret_values['new'])
|
|
|
|
# All Done
|
|
logging.debug(' ---> [%-30s] ~FYParsed Feed: %snew=%s~SN~FY %sup=%s~SN same=%s%s~SN %serr=%s~SN~FY total=~SB%s' % (
|
|
self.feed.log_title[:30],
|
|
'~FG~SB' if ret_values['new'] else '', ret_values['new'],
|
|
'~FY~SB' if ret_values['updated'] else '', ret_values['updated'],
|
|
'~SB' if ret_values['same'] else '', ret_values['same'],
|
|
'~FR~SB' if ret_values['error'] else '', ret_values['error'],
|
|
len(self.fpf.entries)))
|
|
self.feed.update_all_statistics(has_new_stories=bool(ret_values['new']), force=self.options['force'])
|
|
fetch_date = datetime.datetime.now()
|
|
if ret_values['new']:
|
|
if not getattr(settings, 'TEST_DEBUG', False):
|
|
self.feed.trim_feed()
|
|
self.feed.expire_redis()
|
|
if MStatistics.get('raw_feed', None) == self.feed.pk:
|
|
self.feed.save_raw_feed(self.raw_feed, fetch_date)
|
|
self.feed.save_feed_history(200, "OK", date=fetch_date)
|
|
|
|
if self.options['verbose']:
|
|
logging.debug(' ---> [%-30s] ~FBTIME: feed parse in ~FM%.4ss' % (
|
|
self.feed.log_title[:30], time.time() - start))
|
|
|
|
return FEED_OK, ret_values
|
|
|
|
|
|
class Dispatcher:
|
|
def __init__(self, options, num_threads):
|
|
self.options = options
|
|
self.feed_stats = {
|
|
FEED_OK:0,
|
|
FEED_SAME:0,
|
|
FEED_ERRPARSE:0,
|
|
FEED_ERRHTTP:0,
|
|
FEED_ERREXC:0}
|
|
self.feed_trans = {
|
|
FEED_OK:'ok',
|
|
FEED_SAME:'unchanged',
|
|
FEED_ERRPARSE:'cant_parse',
|
|
FEED_ERRHTTP:'http_error',
|
|
FEED_ERREXC:'exception'}
|
|
self.feed_keys = sorted(self.feed_trans.keys())
|
|
self.num_threads = num_threads
|
|
self.time_start = datetime.datetime.utcnow()
|
|
self.workers = []
|
|
|
|
def refresh_feed(self, feed_id):
|
|
"""Update feed, since it may have changed"""
|
|
return Feed.get_by_id(feed_id)
|
|
|
|
def process_feed_wrapper(self, feed_queue):
|
|
connection._connections = {}
|
|
connection._connection_settings ={}
|
|
connection._dbs = {}
|
|
settings.MONGODB = connect(settings.MONGO_DB_NAME, **settings.MONGO_DB)
|
|
settings.MONGOANALYTICSDB = connect(settings.MONGO_ANALYTICS_DB_NAME, **settings.MONGO_ANALYTICS_DB)
|
|
|
|
delta = None
|
|
current_process = multiprocessing.current_process()
|
|
identity = "X"
|
|
feed = None
|
|
|
|
if current_process._identity:
|
|
identity = current_process._identity[0]
|
|
|
|
for feed_id in feed_queue:
|
|
start_duration = time.time()
|
|
feed_fetch_duration = None
|
|
feed_process_duration = None
|
|
page_duration = None
|
|
icon_duration = None
|
|
feed_code = None
|
|
ret_entries = None
|
|
start_time = time.time()
|
|
ret_feed = FEED_ERREXC
|
|
try:
|
|
feed = self.refresh_feed(feed_id)
|
|
|
|
skip = False
|
|
if self.options.get('fake'):
|
|
skip = True
|
|
weight = "-"
|
|
quick = "-"
|
|
rand = "-"
|
|
elif (self.options.get('quick') and not self.options['force'] and
|
|
feed.known_good and feed.fetched_once and not feed.is_push):
|
|
weight = feed.stories_last_month * feed.num_subscribers
|
|
random_weight = random.randint(1, max(weight, 1))
|
|
quick = float(self.options.get('quick', 0))
|
|
rand = random.random()
|
|
if random_weight < 1000 and rand < quick:
|
|
skip = True
|
|
elif False and feed.feed_address.startswith("http://news.google.com/news"):
|
|
skip = True
|
|
weight = "-"
|
|
quick = "-"
|
|
rand = "-"
|
|
if skip:
|
|
logging.debug(' ---> [%-30s] ~BGFaking fetch, skipping (%s/month, %s subs, %s < %s)...' % (
|
|
feed.log_title[:30],
|
|
weight,
|
|
feed.num_subscribers,
|
|
rand, quick))
|
|
continue
|
|
|
|
ffeed = FetchFeed(feed_id, self.options)
|
|
ret_feed, fetched_feed = ffeed.fetch()
|
|
|
|
feed_fetch_duration = time.time() - start_duration
|
|
raw_feed = ffeed.raw_feed
|
|
|
|
if ((fetched_feed and ret_feed == FEED_OK) or self.options['force']):
|
|
pfeed = ProcessFeed(feed_id, fetched_feed, self.options, raw_feed=raw_feed)
|
|
ret_feed, ret_entries = pfeed.process()
|
|
feed = pfeed.feed
|
|
feed_process_duration = time.time() - start_duration
|
|
|
|
if (ret_entries and ret_entries['new']) or self.options['force']:
|
|
start = time.time()
|
|
if not feed.known_good or not feed.fetched_once:
|
|
feed.known_good = True
|
|
feed.fetched_once = True
|
|
feed = feed.save()
|
|
if self.options['force'] or random.random() <= 0.02:
|
|
logging.debug(' ---> [%-30s] ~FBPerforming feed cleanup...' % (feed.log_title[:30],))
|
|
start_cleanup = time.time()
|
|
feed.sync_redis()
|
|
logging.debug(' ---> [%-30s] ~FBDone with feed cleanup. Took ~SB%.4s~SN sec.' % (feed.log_title[:30], time.time() - start_cleanup))
|
|
try:
|
|
self.count_unreads_for_subscribers(feed)
|
|
except TimeoutError:
|
|
logging.debug(' ---> [%-30s] Unread count took too long...' % (feed.log_title[:30],))
|
|
if self.options['verbose']:
|
|
logging.debug(' ---> [%-30s] ~FBTIME: unread count in ~FM%.4ss' % (
|
|
feed.log_title[:30], time.time() - start))
|
|
except urllib.error.HTTPError as e:
|
|
logging.debug(' ---> [%-30s] ~FRFeed throws HTTP error: ~SB%s' % (str(feed_id)[:30], e.fp.read()))
|
|
feed_code = e.code
|
|
feed.save_feed_history(feed_code, e.msg, e.fp.read())
|
|
fetched_feed = None
|
|
except Feed.DoesNotExist as e:
|
|
logging.debug(' ---> [%-30s] ~FRFeed is now gone...' % (str(feed_id)[:30]))
|
|
continue
|
|
except SoftTimeLimitExceeded as e:
|
|
logging.debug(" ---> [%-30s] ~BR~FWTime limit hit!~SB~FR Moving on to next feed..." % feed)
|
|
ret_feed = FEED_ERREXC
|
|
fetched_feed = None
|
|
feed_code = 559
|
|
feed.save_feed_history(feed_code, 'Timeout', e)
|
|
except TimeoutError as e:
|
|
logging.debug(' ---> [%-30s] ~FRFeed fetch timed out...' % (feed.log_title[:30]))
|
|
feed_code = 505
|
|
feed.save_feed_history(feed_code, 'Timeout', e)
|
|
fetched_feed = None
|
|
except Exception as e:
|
|
logging.debug('[%d] ! -------------------------' % (feed_id,))
|
|
tb = traceback.format_exc()
|
|
logging.error(tb)
|
|
logging.debug('[%d] ! -------------------------' % (feed_id,))
|
|
ret_feed = FEED_ERREXC
|
|
feed = Feed.get_by_id(getattr(feed, 'pk', feed_id))
|
|
if not feed: continue
|
|
feed.save_feed_history(500, "Error", tb)
|
|
feed_code = 500
|
|
fetched_feed = None
|
|
# mail_feed_error_to_admin(feed, e, local_vars=locals())
|
|
if (not settings.DEBUG and hasattr(settings, 'RAVEN_CLIENT') and
|
|
settings.RAVEN_CLIENT):
|
|
settings.RAVEN_CLIENT.captureException()
|
|
|
|
if not feed_code:
|
|
if ret_feed == FEED_OK:
|
|
feed_code = 200
|
|
elif ret_feed == FEED_SAME:
|
|
feed_code = 304
|
|
elif ret_feed == FEED_ERRHTTP:
|
|
feed_code = 400
|
|
if ret_feed == FEED_ERREXC:
|
|
feed_code = 500
|
|
elif ret_feed == FEED_ERRPARSE:
|
|
feed_code = 550
|
|
|
|
if not feed: continue
|
|
feed = self.refresh_feed(feed.pk)
|
|
if not feed: continue
|
|
|
|
if ((self.options['force']) or
|
|
(random.random() > .9) or
|
|
(fetched_feed and
|
|
feed.feed_link and
|
|
feed.has_page and
|
|
(ret_feed == FEED_OK or
|
|
(ret_feed == FEED_SAME and feed.stories_last_month > 10)))):
|
|
|
|
logging.debug(' ---> [%-30s] ~FYFetching page: %s' % (feed.log_title[:30], feed.feed_link))
|
|
page_importer = PageImporter(feed)
|
|
try:
|
|
page_data = page_importer.fetch_page()
|
|
page_duration = time.time() - start_duration
|
|
except SoftTimeLimitExceeded as e:
|
|
logging.debug(" ---> [%-30s] ~BR~FWTime limit hit!~SB~FR Moving on to next feed..." % feed)
|
|
page_data = None
|
|
feed.save_feed_history(557, 'Timeout', e)
|
|
except TimeoutError as e:
|
|
logging.debug(' ---> [%-30s] ~FRPage fetch timed out...' % (feed.log_title[:30]))
|
|
page_data = None
|
|
feed.save_page_history(555, 'Timeout', '')
|
|
except Exception as e:
|
|
logging.debug('[%d] ! -------------------------' % (feed_id,))
|
|
tb = traceback.format_exc()
|
|
logging.error(tb)
|
|
logging.debug('[%d] ! -------------------------' % (feed_id,))
|
|
feed.save_page_history(550, "Page Error", tb)
|
|
fetched_feed = None
|
|
page_data = None
|
|
# mail_feed_error_to_admin(feed, e, local_vars=locals())
|
|
if (not settings.DEBUG and hasattr(settings, 'RAVEN_CLIENT') and
|
|
settings.RAVEN_CLIENT):
|
|
settings.RAVEN_CLIENT.captureException()
|
|
|
|
feed = self.refresh_feed(feed.pk)
|
|
logging.debug(' ---> [%-30s] ~FYFetching icon: %s' % (feed.log_title[:30], feed.feed_link))
|
|
force = self.options['force']
|
|
if random.random() > .99:
|
|
force = True
|
|
icon_importer = IconImporter(feed, page_data=page_data, force=force)
|
|
try:
|
|
icon_importer.save()
|
|
icon_duration = time.time() - start_duration
|
|
except SoftTimeLimitExceeded as e:
|
|
logging.debug(" ---> [%-30s] ~BR~FWTime limit hit!~SB~FR Moving on to next feed..." % feed)
|
|
feed.save_feed_history(558, 'Timeout', e)
|
|
except TimeoutError as e:
|
|
logging.debug(' ---> [%-30s] ~FRIcon fetch timed out...' % (feed.log_title[:30]))
|
|
feed.save_page_history(556, 'Timeout', '')
|
|
except Exception as e:
|
|
logging.debug('[%d] ! -------------------------' % (feed_id,))
|
|
tb = traceback.format_exc()
|
|
logging.error(tb)
|
|
logging.debug('[%d] ! -------------------------' % (feed_id,))
|
|
# feed.save_feed_history(560, "Icon Error", tb)
|
|
# mail_feed_error_to_admin(feed, e, local_vars=locals())
|
|
if (not settings.DEBUG and hasattr(settings, 'RAVEN_CLIENT') and
|
|
settings.RAVEN_CLIENT):
|
|
settings.RAVEN_CLIENT.captureException()
|
|
else:
|
|
logging.debug(' ---> [%-30s] ~FBSkipping page fetch: (%s on %s stories) %s' % (feed.log_title[:30], self.feed_trans[ret_feed], feed.stories_last_month, '' if feed.has_page else ' [HAS NO PAGE]'))
|
|
|
|
feed = self.refresh_feed(feed.pk)
|
|
delta = time.time() - start_time
|
|
|
|
feed.last_load_time = round(delta)
|
|
feed.fetched_once = True
|
|
try:
|
|
feed = feed.save(update_fields=['last_load_time', 'fetched_once'])
|
|
except IntegrityError:
|
|
logging.debug(" ***> [%-30s] ~FRIntegrityError on feed: %s" % (feed.log_title[:30], feed.feed_address,))
|
|
|
|
if ret_entries and ret_entries['new']:
|
|
self.publish_to_subscribers(feed, ret_entries['new'])
|
|
|
|
done_msg = ('%2s ---> [%-30s] ~FYProcessed in ~FM~SB%.4ss~FY~SN (~FB%s~FY) [%s]' % (
|
|
identity, feed.log_title[:30], delta,
|
|
feed.pk, self.feed_trans[ret_feed],))
|
|
logging.debug(done_msg)
|
|
total_duration = time.time() - start_duration
|
|
MAnalyticsFetcher.add(feed_id=feed.pk, feed_fetch=feed_fetch_duration,
|
|
feed_process=feed_process_duration,
|
|
page=page_duration, icon=icon_duration,
|
|
total=total_duration, feed_code=feed_code)
|
|
|
|
self.feed_stats[ret_feed] += 1
|
|
|
|
if len(feed_queue) == 1:
|
|
return feed
|
|
|
|
# time_taken = datetime.datetime.utcnow() - self.time_start
|
|
|
|
def publish_to_subscribers(self, feed, new_count):
|
|
try:
|
|
r = redis.Redis(connection_pool=settings.REDIS_PUBSUB_POOL)
|
|
listeners_count = r.publish(str(feed.pk), 'story:new_count:%s' % new_count)
|
|
if listeners_count:
|
|
logging.debug(" ---> [%-30s] ~FMPublished to %s subscribers" % (feed.log_title[:30], listeners_count))
|
|
except redis.ConnectionError:
|
|
logging.debug(" ***> [%-30s] ~BMRedis is unavailable for real-time." % (feed.log_title[:30],))
|
|
|
|
def count_unreads_for_subscribers(self, feed):
|
|
user_subs = UserSubscription.objects.filter(feed=feed,
|
|
active=True,
|
|
user__profile__last_seen_on__gte=feed.unread_cutoff)\
|
|
.order_by('-last_read_date')
|
|
|
|
if not user_subs.count():
|
|
return
|
|
|
|
for sub in user_subs:
|
|
if not sub.needs_unread_recalc:
|
|
sub.needs_unread_recalc = True
|
|
sub.save()
|
|
|
|
if self.options['compute_scores']:
|
|
r = redis.Redis(connection_pool=settings.REDIS_STORY_HASH_POOL)
|
|
stories = MStory.objects(story_feed_id=feed.pk,
|
|
story_date__gte=feed.unread_cutoff)
|
|
stories = Feed.format_stories(stories, feed.pk)
|
|
story_hashes = r.zrangebyscore('zF:%s' % feed.pk, int(feed.unread_cutoff.strftime('%s')),
|
|
int(time.time() + 60*60*24))
|
|
missing_story_hashes = set(story_hashes) - set([s['story_hash'] for s in stories])
|
|
if missing_story_hashes:
|
|
missing_stories = MStory.objects(story_feed_id=feed.pk,
|
|
story_hash__in=missing_story_hashes)\
|
|
.read_preference(pymongo.ReadPreference.PRIMARY)
|
|
missing_stories = Feed.format_stories(missing_stories, feed.pk)
|
|
stories = missing_stories + stories
|
|
logging.debug(' ---> [%-30s] ~FYFound ~SB~FC%s(of %s)/%s~FY~SN un-secondaried stories while computing scores' % (feed.log_title[:30], len(missing_stories), len(missing_story_hashes), len(stories)))
|
|
cache.set("S:%s" % feed.pk, stories, 60)
|
|
logging.debug(' ---> [%-30s] ~FYComputing scores: ~SB%s stories~SN with ~SB%s subscribers ~SN(%s/%s/%s)' % (
|
|
feed.log_title[:30], len(stories), user_subs.count(),
|
|
feed.num_subscribers, feed.active_subscribers, feed.premium_subscribers))
|
|
self.calculate_feed_scores_with_stories(user_subs, stories)
|
|
elif self.options.get('mongodb_replication_lag'):
|
|
logging.debug(' ---> [%-30s] ~BR~FYSkipping computing scores: ~SB%s seconds~SN of mongodb lag' % (
|
|
feed.log_title[:30], self.options.get('mongodb_replication_lag')))
|
|
|
|
@timelimit(10)
|
|
def calculate_feed_scores_with_stories(self, user_subs, stories):
|
|
for sub in user_subs:
|
|
silent = False if self.options['verbose'] >= 2 else True
|
|
sub.calculate_feed_scores(silent=silent, stories=stories)
|
|
|
|
def add_jobs(self, feeds_queue, feeds_count=1):
|
|
""" adds a feed processing job to the pool
|
|
"""
|
|
self.feeds_queue = feeds_queue
|
|
self.feeds_count = feeds_count
|
|
|
|
def run_jobs(self):
|
|
if self.options['single_threaded']:
|
|
return self.process_feed_wrapper(self.feeds_queue[0])
|
|
else:
|
|
for i in range(self.num_threads):
|
|
feed_queue = self.feeds_queue[i]
|
|
self.workers.append(multiprocessing.Process(target=self.process_feed_wrapper,
|
|
args=(feed_queue,)))
|
|
for i in range(self.num_threads):
|
|
self.workers[i].start()
|