56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
def Validator(struct, value):
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"""
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A validator is called after deserialization of a value.
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If ``value`` is not valid, raise a :class:`colander.Invalid`
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instance as an exception after.
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``struct`` is a :class:`colander.Structure` instance which
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contains, among other things, the default value, the name of the
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value, and a ``required`` flag indicating whether this value is
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required. It is often ignored in simple validators.
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"""
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class Type(object):
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def serialize(self, struct, value):
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"""
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Serialize the object represented by ``value`` to a
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data structure. The serialization should be composed of one or
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more objects which can be deserialized by the
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:meth:`colander.interfaces.Type.deserialize` method of this
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type.
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This method should also do type validation of ``value``.
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``struct`` is a :class:`colander.Structure` instance which
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contains, among other things, the default value, the name of
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the value, and a ``required`` flag indicating whether this
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value is required.
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If the object cannot be serialized, or type validation for
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``value`` fails, a :exc:`colander.Invalid` exception should be
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raised.
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"""
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def deserialize(self, struct, value):
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"""
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Deserialze the serialization represented by ``value`` to a
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data structure. The deserialization should be composed of one
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or more objects which can be serialized by the
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:meth:`colander.interfaces.Type.serialize` method of this
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type.
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This method should also do type validation of ``value``.
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``struct`` is a :class:`colander.Structure` instance which
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contains, among other things, the default value, the name of
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the value, and a ``required`` flag indicating whether this
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value is required.
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If the object cannot be deserialized, or type validation for
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``value`` fails, a :exc:`colander.Invalid` exception should be
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raised.
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"""
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