Ejemplo n.º 1
0
    def fetch(self):
        """ 
        Uses feedparser to download the feed. Will be parsed later.
        """
        start = time.time()
        identity = self.get_identity()
        log_msg = u'%2s ---> [%-30s] ~FYFetching feed (~FB%d~FY), last update: %s' % (
            identity, self.feed.title[:30], self.feed.id,
            datetime.datetime.now() - self.feed.last_update)
        logging.debug(log_msg)

        etag = self.feed.etag
        modified = self.feed.last_modified.utctimetuple(
        )[:7] if self.feed.last_modified else None
        address = self.feed.feed_address

        if (self.options.get('force') or random.random() <= .01):
            modified = None
            etag = None
            address = cache_bust_url(address)
            logging.debug(u'   ---> [%-30s] ~FBForcing fetch: %s' %
                          (self.feed.title[:30], address))
        elif (not self.feed.fetched_once or not self.feed.known_good):
            modified = None
            etag = None

        USER_AGENT = ('NewsBlur Feed Fetcher - %s subscriber%s - %s '
                      '(Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_1) '
                      'AppleWebKit/534.48.3 (KHTML, like Gecko) Version/5.1 '
                      'Safari/534.48.3)' % (
                          self.feed.num_subscribers,
                          's' if self.feed.num_subscribers != 1 else '',
                          self.feed.permalink,
                      ))
        if self.options.get('feed_xml'):
            logging.debug(
                u'   ---> [%-30s] ~FM~BKFeed has been fat pinged. Ignoring fat: %s'
                % (self.feed.title[:30], len(self.options.get('feed_xml'))))

        if self.options.get('fpf'):
            self.fpf = self.options.get('fpf')
            logging.debug(
                u'   ---> [%-30s] ~FM~BKFeed fetched in real-time with fat ping.'
                % (self.feed.title[:30]))
            return FEED_OK, self.fpf

        try:
            self.fpf = feedparser.parse(address,
                                        agent=USER_AGENT,
                                        etag=etag,
                                        modified=modified)
        except (TypeError, ValueError), e:
            logging.debug(u'   ***> [%-30s] ~FR%s, turning off microformats.' %
                          (self.feed.title[:30], e))
            feedparser.PARSE_MICROFORMATS = False
            self.fpf = feedparser.parse(address,
                                        agent=USER_AGENT,
                                        etag=etag,
                                        modified=modified)
            feedparser.PARSE_MICROFORMATS = True
Ejemplo n.º 2
0
    def fetch(self):
        """ 
        Uses feedparser to download the feed. Will be parsed later.
        """
        start = time.time()
        identity = self.get_identity()
        log_msg = u'%2s ---> [%-30s] ~FYFetching feed (~FB%d~FY), last update: %s' % (identity,
                                                            self.feed.title[:30],
                                                            self.feed.id,
                                                            datetime.datetime.now() - self.feed.last_update)
        logging.debug(log_msg)
                                                 
        etag=self.feed.etag
        modified = self.feed.last_modified.utctimetuple()[:7] if self.feed.last_modified else None
        address = self.feed.feed_address
        
        if (self.options.get('force') or random.random() <= .01):
            modified = None
            etag = None
            address = cache_bust_url(address)
            logging.debug(u'   ---> [%-30s] ~FBForcing fetch: %s' % (
                          self.feed.title[:30], address))
        elif (not self.feed.fetched_once or not self.feed.known_good):
            modified = None
            etag = None
        
        USER_AGENT = ('NewsBlur Feed Fetcher - %s subscriber%s - %s '
                      '(Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_1) '
                      'AppleWebKit/534.48.3 (KHTML, like Gecko) Version/5.1 '
                      'Safari/534.48.3)' % (
                          self.feed.num_subscribers,
                          's' if self.feed.num_subscribers != 1 else '',
                          self.feed.permalink,
                     ))
        if self.options.get('feed_xml'):
            logging.debug(u'   ---> [%-30s] ~FM~BKFeed has been fat pinged. Ignoring fat: %s' % (
                          self.feed.title[:30], len(self.options.get('feed_xml'))))
        
        if self.options.get('fpf'):
            self.fpf = self.options.get('fpf')
            logging.debug(u'   ---> [%-30s] ~FM~BKFeed fetched in real-time with fat ping.' % (
                          self.feed.title[:30]))
            return FEED_OK, self.fpf

        try:
            self.fpf = feedparser.parse(address,
                                        agent=USER_AGENT,
                                        etag=etag,
                                        modified=modified)
        except (TypeError, ValueError), e:
            logging.debug(u'   ***> [%-30s] ~FR%s, turning off microformats.' % 
                          (self.feed.title[:30], e))
            feedparser.PARSE_MICROFORMATS = False
            self.fpf = feedparser.parse(address,
                                        agent=USER_AGENT,
                                        etag=etag,
                                        modified=modified)
            feedparser.PARSE_MICROFORMATS = True