pax_global_header00006660000000000000000000000064126613264630014523gustar00rootroot0000000000000052 comment=c804b5753f4805cf3d129fa4e7febef5c032b6ca python-unpaddedbase64-1.1.0/000077500000000000000000000000001266132646300156325ustar00rootroot00000000000000python-unpaddedbase64-1.1.0/.gitignore000066400000000000000000000001261266132646300176210ustar00rootroot00000000000000.coverage .tox/ __pycache__/ unpaddedbase64.egg-info/ unpaddedbase64.pyc build/ dist/ python-unpaddedbase64-1.1.0/.travis.yml000066400000000000000000000002531266132646300177430ustar00rootroot00000000000000language: python env: - TOXENV=packaging - TOXENV=pep8 - TOXENV=py3pep8 - TOXENV=py27 - TOXENV=py33 - TOXENV=py34 - TOXENV=pypy install: - pip install tox script: - tox python-unpaddedbase64-1.1.0/LICENSE000066400000000000000000000236761266132646300166550ustar00rootroot00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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END OF TERMS AND CONDITIONS python-unpaddedbase64-1.1.0/MANIFEST.in000066400000000000000000000000721266132646300173670ustar00rootroot00000000000000include *.in include *.py include LICENSE include tox.ini python-unpaddedbase64-1.1.0/README.rst000066400000000000000000000015411266132646300173220ustar00rootroot00000000000000Unpadded Base64 =============== .. image:: https://img.shields.io/pypi/v/unpaddedbase64.svg :target: https://pypi.python.org/pypi/unpaddedbase64/ :alt: Latest Version .. image:: https://img.shields.io/travis/matrix-org/python-unpaddedbase64.svg :target: https://travis-ci.org/matrix-org/python-unpaddedbase64 Encode and decode Base64 without "=" padding. `RFC 4648`_ specifies that Base64 should be padded to a multiple of 4 bytes using "=" characters. However this conveys no benefit so many protocols choose to use Base64 without the "=" padding. .. _`RFC 4648`: https://tools.ietf.org/html/rfc4648 Installing ---------- .. code:: bash pip install unpaddedbase64 Using ----- .. code:: python import unpaddedbase64 assert (unpaddedbase64.encode_base64(b'\x00')) == u'AA' assert (unpaddedbase64.decode_base64(u'AA')) == b'\x00' python-unpaddedbase64-1.1.0/setup.py000077500000000000000000000030151266132646300173460ustar00rootroot00000000000000#!/usr/bin/env python # Copyright 2015 OpenMarket Ltd # # 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 setuptools import setup from codecs import open import os here = os.path.abspath(os.path.dirname(__file__)) def read_file(path_segments): """Read a UTF-8 file from the package. Takes a list of strings to join to make the path""" file_path = os.path.join(here, *path_segments) with open(file_path, encoding="utf-8") as f: return f.read() def exec_file(path_segments, name): """Extract a constant from a python file by looking for a line defining the constant and executing it.""" result = {} code = read_file(path_segments) lines = [line for line in code.split('\n') if line.startswith(name)] exec("\n".join(lines), result) return result[name] setup( name="unpaddedbase64", version=exec_file(("unpaddedbase64.py",), "__version__"), py_modules=["unpaddedbase64"], description="Unpadded Base64", long_description=read_file(("README.rst",)), keywords="base64", ) python-unpaddedbase64-1.1.0/test_unpaddedbase64.py000066400000000000000000000031651266132646300220410ustar00rootroot00000000000000# Copyright 2015 OpenMarket Ltd # # 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 unpaddedbase64 import encode_base64, decode_base64 import unittest class TestUnpaddedBase64(unittest.TestCase): def test_encode(self): self.assertEqual(encode_base64(b''), u'') self.assertEqual(encode_base64(b'\x00'), u'AA') self.assertEqual(encode_base64(b'\x00\x00'), u'AAA') self.assertEqual(encode_base64(b'\x00\x00\x00'), u'AAAA') def test_decode(self): self.assertEqual(decode_base64(u''), b'') self.assertEqual(decode_base64(u'AA'), b'\x00') self.assertEqual(decode_base64(u'AAA'), b'\x00\x00') self.assertEqual(decode_base64(u'AAAA'), b'\x00\x00\x00') with self.assertRaises(Exception): decode_base64(u'A') def test_encode_urlunsafe_chars(self): self.assertEqual(encode_base64(b'\xff\xe6\x9a'), u'/+aa') self.assertEqual(encode_base64(b'\xff\xe6\x9a', True), u'_-aa') def test_decode_urlunsafe_chars(self): self.assertEqual(decode_base64(u'/+aa'), b'\xff\xe6\x9a') self.assertEqual(decode_base64(u'_-aa'), b'\xff\xe6\x9a') python-unpaddedbase64-1.1.0/tox.ini000066400000000000000000000006671266132646300171560ustar00rootroot00000000000000[tox] envlist = packaging, pep8, py3pep8, py27, py33, py34, pypy [testenv] deps = coverage pytest commands = coverage run --source unpaddedbase64 -m pytest coverage report -m --fail-under 100 [testenv:packaging] deps = check-manifest commands = check-manifest [testenv:pep8] basepython = python2.7 deps = flake8 commands = flake8 . [testenv:py3pep8] basepython = python3.4 deps = flake8 commands = flake8 . python-unpaddedbase64-1.1.0/unpaddedbase64.py000066400000000000000000000025561266132646300210050ustar00rootroot00000000000000# Copyright 2014, 2015 OpenMarket Ltd # # 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. import base64 __version__ = "1.1.0" def encode_base64(input_bytes, urlsafe=False): """Encode bytes as a base64 string without any padding.""" encode = base64.urlsafe_b64encode if urlsafe else base64.b64encode output_bytes = encode(input_bytes) output_string = output_bytes.decode("ascii") return output_string.rstrip(u"=") def decode_base64(input_string): """Decode a base64 string to bytes inferring padding from the length of the string.""" input_bytes = input_string.encode("ascii") input_len = len(input_bytes) padding = b"=" * (3 - ((input_len + 3) % 4)) decode = base64.b64decode if u'-' in input_string or u'_' in input_string: decode = base64.urlsafe_b64decode output_bytes = decode(input_bytes + padding) return output_bytes