Limnoria/plugins/baseplugin.py

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Python
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2003-03-12 07:26:59 +01:00
#!/usr/bin/env python
import sys
sys.path.insert(0, 'src')
sys.path.insert(0, 'others')
from fix import *
import os
import cdb
import conf
import world
import callbacks
class DBHandler(object):
"""A class to handle database stuff for individual channels transparently.
"""
suffix = '.db'
def __init__(self, suffix='.db'):
self.dbCache = {}
suffix = self.suffix
if self.suffix and self.suffix[0] != '.':
suffix = '.' + suffix
self.suffix = suffix
def makeFilename(self, channel):
prefix = '%s-%s%s' % (channel, self.__class__.__name__, self.suffix)
return os.path.join(conf.dataDir, prefix)
def makeDb(self, filename):
return cdb.shelf(filename)
def getDb(self, channel):
try:
return self.dbCache[channel]
except KeyError:
db = self.makeDb(self.makeFilename(channel))
self.dbCache[channel] = db
return db
def die(self):
for db in self.dbCache.itervalues():
db.close()