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# -*- coding: utf-8 -*- |
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from __future__ import absolute_import |
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from benedict.serializers.abstract import AbstractSerializer |
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from benedict.utils import type_util |
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8
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try: |
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# python 3 |
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from urllib.parse import unquote |
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except ImportError: |
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# python 2 |
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from urllib import unquote |
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import base64 |
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class Base64CoreSerializer(AbstractSerializer): |
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def __init__(self): |
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super(Base64CoreSerializer, self).__init__() |
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def _fix_url_encoding_and_padding(self, s): |
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# fix urlencoded chars |
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s = unquote(s) |
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# fix padding |
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m = len(s) % 4 |
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if m != 0: |
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s += '=' * (4 - m) |
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return s |
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def decode(self, s, **kwargs): |
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value = self._fix_url_encoding_and_padding(s) |
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encoding = kwargs.pop('encoding', 'utf-8') |
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if encoding: |
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value = value.encode(encoding) |
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value = base64.b64decode(value) |
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if encoding and type_util.is_string(value): |
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return value.decode(encoding) |
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return value |
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def encode(self, d, **kwargs): |
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value = d |
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encoding = kwargs.pop('encoding', 'utf-8') |
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if encoding and type_util.is_string(value): |
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value = value.encode(encoding) |
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value = base64.b64encode(value) |
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if encoding: |
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value = value.decode(encoding) |
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return value |
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class Base64Serializer(Base64CoreSerializer): |
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def __init__(self): |
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super(Base64Serializer, self).__init__() |
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def _pop_options(self, options): |
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encoding = options.pop('encoding', 'utf-8') |
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subformat = options.pop('subformat', None) |
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from benedict.serializers import get_serializer_by_format |
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serializer = get_serializer_by_format(subformat) |
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return (serializer, encoding, ) |
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def decode(self, s, **kwargs): |
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serializer, encoding = self._pop_options(kwargs) |
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value = super(Base64Serializer, self).decode(s, encoding=encoding) |
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if serializer: |
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value = serializer.decode(value, **kwargs) |
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return value |
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def encode(self, d, **kwargs): |
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serializer, encoding = self._pop_options(kwargs) |
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value = d |
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if serializer: |
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value = serializer.encode(value, **kwargs) |
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value = super(Base64Serializer, self).encode(value, encoding=encoding) |
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return value |
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fabiocaccamo /
python-benedict
