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annotate backend/AbstractBackend.py @ 223:f07cf25224a4

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do not use python3 - the couchdb lib is not ready for it
author Dirk Olmes <dirk@xanthippe.ping.de>
date Thu, 22 May 2014 05:24:53 +0200
parents 699d8f1cebd4
children f79be01821c4
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1 # -*- coding: utf-8 -*-
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2 from datetime import datetime, timedelta
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3
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4 def calculateExpireDate(preferences):
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5 now = datetime.now()
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6 daysToKeepFeedEntries = preferences.daysToKeepFeedEntries()
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7 delta = timedelta(days=daysToKeepFeedEntries)
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8 return now - delta
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10 class AbstractBackend(object):
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11 def __init__(self):
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12 self.feeds = []
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13 self.selectedFeed = None
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14 self.feedEntries = None
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15 self.selectedFeedEntry = None
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17 def dispose(self):
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18 pass
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20 #
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21 # handling of feeds
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22 #
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24 def selectFeed(self, index):
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25 self.selectedFeed = self.feeds[index]
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26 self.feedEntries = None
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27 return self.selectedFeed
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29 def entriesForSelectedFeed(self):
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30 if self.feedEntries is None:
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31 hideReadEntries = self.preferences().hideReadFeedEntries()
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32 self.feedEntries = self._retrieveEntriesForSelectedFeed(hideReadEntries)
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33 return self.feedEntries
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35 def _calculateExpireDate(self):
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36 return calculateExpireDate(self.preferences())
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38 #
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39 # handling of the selected feed entry
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40 #
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42 def selectFeedEntry(self, index):
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43 self.selectedFeedEntry = self.feedEntries[index]
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44 self._markSelectedFeedEntryRead()
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45 return self.selectedFeedEntry