def __init__(self, uname):
"""Inits thread, storage and basic data structures."""
Thread.__init__(self)
self.halt = False
self.username = uname
self.rssLink = RSS_BASE_LINK + self.username
self.storage = TweetStorage()
self.daemon = True
class TwitterClient(Thread):
"""Main communication class that takes care of checking and updating twitter
status feed."""
def __init__(self, uname):
"""Inits thread, storage and basic data structures."""
Thread.__init__(self)
self.halt = False
self.username = uname
self.rssLink = RSS_BASE_LINK + self.username
self.storage = TweetStorage()
self.daemon = True
def run(self):
"""Pseudo-infinite loop checking RSS each REFRESH_TIME"""
while not self.halt:
self.refresh_rss()
time.sleep(REFRESH_TIME)
def stop(self):
"""Stops refreshing loop"""
self.halt = True
logging.info("Stopping twitter client...")
def refresh_rss(self):
"""Refreshes feed from twitter and tries to enrich storage. In the end
invokes inform_listeners from storage."""
logging.info("Refreshing feed on %s..." % self.rssLink)
try:
feed = urllib.urlopen(self.rssLink)
tree = ElementTree.XML(feed.read())
feed.close()
items = tree.find('channel').findall('item')
for item in items:
self.storage.add_tweet(
Tweet(
datetime.datetime(* time.strptime(' '.join(item.find('pubDate').text.split(' ')[:-1]), "%a, %d %b %Y %H:%M:%S")[:6]),
': '.join(item.find('description').text.split(': ')[1:]).encode("utf-8"),
item.find('guid').text
)
)
self.storage.inform_listeners()
except Exception, e:
logging.error("Feed error: %s", e)
