code: def get_password_from_keyring(entry=None, username=None):
      
  
      if username is None:
          username = get_username()
  
      has_keychain = initialize_keychain()
  
      # Unlock the user's keychain otherwise, if running under SSH, 'security(1)' will thrown an error.
      unlock_keychain(username)
  
      if has_keychain and entry is not None:
          try:
              return keyring.get_password(entry, username)
          except Exception as e:
              log.warn("Unable to get password from keyring. Continuing..")
              log.debug(e)
  
      return None
docs: :param entry: The entry in the keychain. This is a caller specific key.
        :param username: The username to get the password for. Default is the current user.