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comparison Feed.py @ 35:aaec263f07ca

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Feeds manage the point in time when the next update should happen. FeedUpdater only updates feeds that are due.
author Dirk Olmes <dirk@xanthippe.ping.de>
date Wed, 05 May 2010 03:07:59 +0200
parents 5bb57caa8f66
children a8442c3487b5
comparison
equal deleted inserted replaced
34:5813e3c10f14 35:aaec263f07ca
1 1
2 from datetime import datetime, timedelta
2 import FeedEntry 3 import FeedEntry
3 4
4 class Feed(object): 5 class Feed(object):
5 @staticmethod 6 @staticmethod
6 def all(session): 7 def all(session):
7 return session.query(Feed).order_by(Feed.title).all() 8 return session.query(Feed).order_by(Feed.title).all()
8 9
9 def __init__(self, title, rss_url): 10 def __init__(self, title, rss_url):
10 self.title = title 11 self.title = title
11 self.rss_url = rss_url 12 self.rss_url = rss_url
13 # default: update every 60 minutes
14 self.update_interval = 60
15 self.incrementNextUpdateDate()
12 16
13 def __repr__(self): 17 def __repr__(self):
14 return "<Feed (%d) %s>" % (self.pk, self.title) 18 return "<Feed (%d) %s>" % (self.pk, self.title)
15 19
16 def userPresentableString(self): 20 def userPresentableString(self):
18 22
19 def entriesSortedByUpdateDate(self): 23 def entriesSortedByUpdateDate(self):
20 sortedEntries = list(self.entries) 24 sortedEntries = list(self.entries)
21 sortedEntries.sort(FeedEntry.compareByUpdateDate) 25 sortedEntries.sort(FeedEntry.compareByUpdateDate)
22 return sortedEntries 26 return sortedEntries
27
28 def incrementNextUpdateDate(self):
29 delta = timedelta(minutes=self.update_interval)
30 self.next_update = datetime.now() + delta