annotate backend/couchdb/CouchDbBackend.py @ 148:c5a427d46703

displaying entries for a feed works now with the couchdb backend
author Dirk Olmes <dirk@xanthippe.ping.de>
date Fri, 26 Aug 2011 06:13:39 +0200
parents 8ec20377bcb0
children a05719a6175e
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2 from FeedUpdater import FeedUpdater
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3 from Preferences import Preferences
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4 from backend.couchdb.Feed import Feed
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5 from backend.couchdb.FeedEntry import FeedEntry
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6 import couchdb
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9 DATABASE = "feedtest"
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11 class CouchDbBackend(object):
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12 '''
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13 Backend that uses CouchDB for persistence
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14 '''
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16 def __init__(self):
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17 server = couchdb.Server()
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18 self.database = server[DATABASE]
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20 def preferences(self):
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21 return Preferences(self.database)
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23 def getFeeds(self):
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24 if self.preferences().showOnlyUnreadFeeds():
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25 return self._getUnreadFeeds()
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26 else:
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27 # make sure that the results are actually fetched into memory, otherwise we'll pass
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28 # a ViewResults instance around which is not what we want
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29 return list(Feed.all(self.database))
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31 def _getUnreadFeeds(self):
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32 raise Exception("not yet implemented")
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34 def toggleRead(self, feedEntry):
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35 raise Exception("not yet implemented")
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37 def markAllEntriesRead(self, feed):
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38 raise Exception("not yet implemented")
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40 def createFeed(self, url):
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41 raise Exception("not yet implemented")
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43 def updateFeed(self, feed, changes):
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44 raise Exception("not yet implemented")
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46 def deleteFeed(self, feed):
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47 raise Exception("not yet implemented")
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49 def entriesForFeed(self, feed, hideReadEntries):
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50 viewName = "feedtest/feedEntries_by_feed"
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51 if hideReadEntries:
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52 viewName = "feedtest/unread_feedEntries_by_feed"
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53 return list(FeedEntry.view(self.database, viewName))
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55 def markFeedEntriesAsRead(self, entries):
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56 raise Exception("not yet implemented")
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58 def updateAllFeeds(self):
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59 # TODO use a view instead of iterating all feeds
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60 allFeeds = Feed.all(self.database)
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61 for feed in allFeeds:
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62 if feed.needsUpdate():
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63 FeedUpdater(feed, self.database).update()
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65 def expireFeedEntries(self):
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66 print("Expiring feeds is not yet implemented")
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67 # raise Exception("not yet implemented")
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69 def dispose(self):
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70 # nothing to do here
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71 pass