1*4882a593Smuzhiyun# Copyright (C) 2016-2018 Wind River Systems, Inc. 2*4882a593Smuzhiyun# 3*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun# The file contains: 6*4882a593Smuzhiyun# LayerIndex exceptions 7*4882a593Smuzhiyun# Plugin base class 8*4882a593Smuzhiyun# Utility Functions for working on layerindex data 9*4882a593Smuzhiyun 10*4882a593Smuzhiyunimport logging 11*4882a593Smuzhiyun 12*4882a593Smuzhiyunlogger = logging.getLogger('BitBake.layerindexlib.plugin') 13*4882a593Smuzhiyun 14*4882a593Smuzhiyunclass LayerIndexPluginException(Exception): 15*4882a593Smuzhiyun """LayerIndex Generic Exception""" 16*4882a593Smuzhiyun def __init__(self, message): 17*4882a593Smuzhiyun self.msg = message 18*4882a593Smuzhiyun Exception.__init__(self, message) 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun def __str__(self): 21*4882a593Smuzhiyun return self.msg 22*4882a593Smuzhiyun 23*4882a593Smuzhiyunclass LayerIndexPluginUrlError(LayerIndexPluginException): 24*4882a593Smuzhiyun """Exception raised when a plugin does not support a given URL type""" 25*4882a593Smuzhiyun def __init__(self, plugin, url): 26*4882a593Smuzhiyun msg = "%s does not support %s:" % (plugin, url) 27*4882a593Smuzhiyun self.plugin = plugin 28*4882a593Smuzhiyun self.url = url 29*4882a593Smuzhiyun LayerIndexPluginException.__init__(self, msg) 30*4882a593Smuzhiyun 31*4882a593Smuzhiyunclass IndexPlugin(): 32*4882a593Smuzhiyun def __init__(self): 33*4882a593Smuzhiyun self.type = None 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun def init(self, layerindex): 36*4882a593Smuzhiyun self.layerindex = layerindex 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun def plugin_type(self): 39*4882a593Smuzhiyun return self.type 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun def load_index(self, uri): 42*4882a593Smuzhiyun raise NotImplementedError('load_index is not implemented') 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun def store_index(self, uri, index): 45*4882a593Smuzhiyun raise NotImplementedError('store_index is not implemented') 46*4882a593Smuzhiyun 47