I recently switched from chromium to chrome which results in a new KWallet "Chrome Form Data" folder and the loss of my stored passwords and form data. I thought something like 'okay, I just copy the entries from the old folder' but oops - KWallet GUI does not support this. So here is a quick and dirty script to copy all entries from one folder …

move_kwallet_folder_entries.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

## http://api.kde.org/pykde-4.3-api/kdeui/KWallet.Wallet.html

from PyKDE4.kdeui import KWallet
from PyQt4.QtGui import QApplication
import sys

FROM = None
TO = None

if len(sys.argv) > 1:
    FROM = sys.argv[1]
    TO = sys.argv[2]

app = QApplication([])
app.setApplicationName("Kwallet folder copy")

wallet = KWallet.Wallet.openWallet(KWallet.Wallet.LocalWallet(), 0)

if FROM == None or TO == None:
    for folder in wallet.folderList():
        print folder
    sys.exit(0)

if not FROM in wallet.folderList():
    print 'Could not find "%s" in wallet' % FROM
    sys.exit(1)

if not TO in wallet.folderList():
    wallet.createFolder( TO )


wallet.setFolder( FROM )

# Read all entries from FROM
entries = dict()
for entry in wallet.entryList():
    if not entry in entries:
        entries[entry] = wallet.readEntry( entry )

# Write all entries to TO
wallet.setFolder( TO )
for entry in entries:
    # if not e in wallet.entryList(): # Don't overwrite existing
    wallet.writeEntry( entry, entries[entry][1] )