53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
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# vim:ts=4:sw=4:ft=python:fileencoding=utf-8
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# Copyright © 2015-2017 Carl Chenet <carl.chenet@ohmytux.com>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>
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'''Manage a cache with the ids of the feed entries'''
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# standard libraires imports
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from collections import deque
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import os
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import os.path
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class FeedCache:
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'''FeedCache class'''
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def __init__(self, options):
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'''Constructore of the FeedCache class'''
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self.options = options
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self.main()
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def getdeque(self):
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'''return the deque'''
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return self.dbfeed
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def main(self):
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'''Main of the FeedCache class'''
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if os.path.exists(self.options['cachefile']):
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with open(self.options['cachefile']) as dbdsc:
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dbfromfile = dbdsc.readlines()
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dblist = [i.strip() for i in dbfromfile]
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self.dbfeed = deque(dblist, self.options['cache_limit'] )
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else:
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self.dbfeed = deque([], self.options['cache_limit'] )
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def append(self, rssid):
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'''Append a rss id to the cache'''
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self.dbfeed.append(rssid)
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def close(self):
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'''Close the cache'''
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with open(self.options['cachefile'], 'w') as dbdsc:
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dbdsc.writelines((''.join([i, os.linesep]) for i in self.dbfeed))
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