# Twisted, the Framework of Your Internet # Copyright (C) 2001-2002 Matthew W. Lefkowitz # # This library is free software; you can redistribute it and/or # modify it under the terms of version 2.1 of the GNU Lesser General Public # License as published by the Free Software Foundation. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # -*- test-case-name: twisted.test.test_journal -*- """Logging that uses pickles. TODO: add log that logs to a file. """ # twisted imports from twisted.spread import banana from twisted.persisted import dirdbm from twisted.internet import defer # sibling imports import base class DirDBMLog: """Log pickles to DirDBM directory.""" __implements__ = base.ICommandLog def __init__(self, logPath): self.db = dirdbm.Shelf(logPath) indexs = map(int, self.db.keys()) if indexs: self.currentIndex = max(indexs) else: self.currentIndex = 0 def logCommand(self, command, time): """Log a command.""" self.currentIndex += 1 self.db[str(self.currentIndex)] = (time, command) return defer.succeed(1) def getCurrentIndex(self): """Return index of last command logged.""" return self.currentIndex def getCommandsSince(self, index): result = [] for i in range(index, self.currentIndex + 1): result.append(self.db[str(i)]) return result