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39 lines
842 B
Python
39 lines
842 B
Python
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import base64
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class Base64Converter:
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regex = r'[a-zA-Z0-9+/]*={0,2}'
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def to_python(self, value):
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return base64.b64decode(value)
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def to_url(self, value):
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return base64.b64encode(value).decode('ascii')
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class DynamicConverter:
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_dynamic_to_python = None
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_dynamic_to_url = None
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@property
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def regex(self):
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return r'[0-9a-zA-Z]+'
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@regex.setter
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def regex(self):
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raise Exception("You can't modify the regular expression.")
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def to_python(self, value):
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return type(self)._dynamic_to_python(value)
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def to_url(self, value):
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return type(self)._dynamic_to_url(value)
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@classmethod
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def register_to_python(cls, value):
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cls._dynamic_to_python = value
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@classmethod
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def register_to_url(cls, value):
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cls._dynamic_to_url = value
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