Quellcode

#!/usr/bin/env python

"""WindowsUninstallEntries.py -- Version 27-Oct-2004

Extract applications' uninstall entries from the Windows registry
and write them to plain text files.

Copyright (c) 2004 Jochen Kupperschmidt <webmaster@homework.nwsnet.de>
Released under the terms of the GNU General Public License
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   [url]http://homework.nwsnet.de/[/url]
"""

import _winreg


def fetchSubKeys(hkey, key):
    """Fetch subkeys from a registry key."""
    # connect to registry and open key
    reg = _winreg.ConnectRegistry(None, hkey)
    key = _winreg.OpenKey(reg, key)

    # fetch subkeys
    subkeyCount = _winreg.QueryInfoKey(key)[0]
    subkeys = []
    for i in range(subkeyCount):
        subkeys.append(_winreg.EnumKey(key, i))

    # close key and disconnect from registry
    _winreg.CloseKey(key)
    _winreg.CloseKey(reg)

    return subkeys

def writeSequenceToFile(seq, filename):
    """Loop through the sequence and write its values to the file."""
    f = open(filename, 'w')
    for v in seq:
        f.write(v + '\n')
    f.close()

def main():
    # extract software uninstall entries from HKEY_CURRENT_USER
    writeSequenceToFile(
        fetchSubKeys(
            _winreg.HKEY_CURRENT_USER,
            r'Software\Microsoft\Windows\CurrentVersion\Uninstall'
        ),
        'apps-currentuser.txt'
    )

    # extract software uninstall entries from HKEY_LOCAL_MACHINE
    writeSequenceToFile(
        fetchSubKeys(
            _winreg.HKEY_LOCAL_MACHINE,
            r'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall'
        ),
        'apps-localmachine.txt'
    )

    print 'Done.'


if __name__ == '__main__':
    """Execute if script is directly called."""
    main()