pstorage.py 文件源码

def delete_by_id(self, drive_id):
        """
        Deletes a user drive
        :param drive_id: string -> drive id
        Raises DriveIsLockedError if drive is locked by another operation at
        the moment.
        """
        with drive_lock(drive_id=drive_id):
            pd = PersistentDisk.query.filter(
                PersistentDisk.id == drive_id
            ).first()
            if not pd:
                current_app.logger.warning(
                    'Unable to delete drive. '
                    'Unknown drive id: %s',
                    drive_id
                )
                return 1
            # self.end_stat(pd.name, pd.owner_id)
            rv = self._delete_pd(pd)
        if rv == 0 and self._cached_drives:
            self._cached_drives = [
                d for d in self._cached_drives
                if d['id'] != drive_id
            ]
        return rv