Clean up empty keyring entries

delete-empty-keyring-entries.py

# Linux keyring file (login.keyring) contained a lot of dead entries with black passwords
# Update the application siganture (chrome-6391234) from an entry
# Additional/Alternative search items could be added

import keyring

keys = keyring.get_keyring()
for k in keys.backends:
  if isinstance(k, keyring.backends.SecretService.Keyring):
    collection = k.get_preferred_collection()
    items = collection.search_items({"application": 'chrome-6391234'})
    for i in items:
      k.unlock(i)
      # print('%s -- %s' % (i.get_attributes().get("origin_url"), i.get_secret().decode('utf-8')))
      p = i.get_secret().decode('utf-8')
      if p == '':
        i.delete()