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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def delete(self, directory_updated=False):
 # pylint: disable=W0212 """ Delete this configuration :param directory_updated: If True, tell ConfigurationAdmin to not recall the directory of this deletion (internal use only) """

        with self.__lock:
            if self.__deleted:
                # Nothing to do
                return

            # Update status
            self.__deleted = True

            # Notify ConfigurationAdmin, notify services only if the
            # configuration had been updated before
            self.__config_admin._delete(self, self.__updated, directory_updated)

            # Remove the file
            self.__persistence.delete(self.__pid)

            # Clean up
            if self.__properties:
                self.__properties.clear()

            self.__persistence = None
            self.__pid = None