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.

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()