def run(self, *args, **options):
"""Loop forever, and update feeds.
# TODO: take options from the command line that we pass on to
``update_feed``, changing the parsing behavior (addins can
use the options to adjust their behavior).
"""
# Code below fails in sqlite because we can't update a row
# while it is still part of queryset, IIRC:
#feed = db.store.get_next_feed()
#while feed:
# update_feed(feed)
# feed = db.store.get_next_feed()
callback = self.callback
do_return = lambda: callback and callback(counter)
counter = 0
while True:
feeds = db.store.find(db.models.Feed)
for i in xrange(0, feeds.count()): # XXX: only do this in sqlite
feed = feeds[i]
counter += 1
parse.update_feed(feed)
if do_return() or self.stop_requested:
return
if do_return() or self.stop_requested:
return
if self.once:
return
def run(self):
while not self.stop_requested:
try:
# Since Queue itself just uses an infinite loop to
# implement it's blocking feature, we sort of don't
# need to bother specifying a timeout. We'd rather
# use the opportunity to check ``stop_requested``
# more often.
feed = self.queue.get(timeout=0.1)
try:
# We need to be careful here, there's really no
# guarantee that the feed still exists.
parse.update_feed(feed)
except Exception, e:
# TODO: do not catch all exceptions
self.log.error('Error handling queued feed: %s' % e)
except Queue.Empty:
time.sleep(DEFAULT_LOOP_SLEEP)
