# Copyright 2013 Donald Stufft and individual contributors # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from __future__ import absolute_import, division, print_function import base64 import binascii class RawEncoder(object): @staticmethod def encode(data): return data @staticmethod def decode(data): return data class HexEncoder(object): @staticmethod def encode(data): return binascii.hexlify(data) @staticmethod def decode(data): return binascii.unhexlify(data) class Base16Encoder(object): @staticmethod def encode(data): return base64.b16encode(data) @staticmethod def decode(data): return base64.b16decode(data) class Base32Encoder(object): @staticmethod def encode(data): return base64.b32encode(data) @staticmethod def decode(data): return base64.b32decode(data) class Base64Encoder(object): @staticmethod def encode(data): return base64.b64encode(data) @staticmethod def decode(data): return base64.b64decode(data) class URLSafeBase64Encoder(object): @staticmethod def encode(data): return base64.urlsafe_b64encode(data) @staticmethod def decode(data): return base64.urlsafe_b64decode(data) class Encodable(object): def encode(self, encoder=RawEncoder): return encoder.encode(bytes(self))