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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""this is a simple wrapper class for the windows registry"""
# Copyright 2004 St James Software
#
# This file is part of jToolkit.
#
# jToolkit is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# jToolkit 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with jToolkit; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import win32api
class nullregkey:
"""
a registry key that doesn't exist...
"""
def childkey(self, subkeyname):
return nullregkey()
def subkeynames(self):
return []
def getvalue(self, valuename):
raise AttributeError("Cannot access registry value %r: key does not exist" % (valuename))
class regkey:
"""
simple wrapper for registry functions that closes keys nicely...
"""
def __init__(self, parent, subkeyname):
self.key = win32api.RegOpenKey(parent, subkeyname)
def childkey(self, subkeyname):
try:
return regkey(self.key, subkeyname)
except win32api.error:
return nullregkey()
def subkeynames(self):
numsubkeys = win32api.RegQueryInfoKey(self.key)[0]
return [win32api.RegEnumKey(self.key, index) for index in range(numsubkeys)]
def getvalue(self, valuename):
try:
return win32api.RegQueryValueEx(self.key, valuename)
except win32api.error:
raise AttributeError("Cannot access registry value %r" % (valuename))
def __del__(self):
if hasattr(self, "key"):
win32api.RegCloseKey(self.key)
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