Viewing file:  picklelog.py (1.17 KB) -rw-r--r--
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# Copyright (c) 2001-2004 Twisted Matrix Laboratories.
# See LICENSE for details.
#
# -*- test-case-name: twisted.test.test_journal -*-
"""Logging that uses pickles.
TODO: add log that logs to a file.
"""
# twisted imports
from twisted.persisted import dirdbm
from twisted.internet import defer
from zope.interface import implements
# 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
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