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Viewing changes to src/lazr/restful/fields.py

  • Committer: Colin Watson
  • Date: 2016-02-17 01:07:21 UTC
  • Revision ID: cjwatson@canonical.com-20160217010721-4d5fqqml5q97ss59
Switch zope.interface, zope.component, and lazr.delegates users from class advice to class decorators.

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src/lazr/restful/fields.py
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    'ReferenceChoice',
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    ]
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from zope.interface import implements
 
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from zope.interface import implementer
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from zope.schema import Choice, Field, Object
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from zope.schema.interfaces import IObject, SchemaNotProvided
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from zope.schema._field import AbstractCollection
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    ICollectionField, IReference, IReferenceChoice)
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@implementer(ICollectionField)
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class CollectionField(AbstractCollection):
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    """A collection associated with an entry."""
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    # We subclass AbstractCollection instead of List because List
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    # has a _type of list, and we don't want to have to implement list
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    # semantics for this class.
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    implements(ICollectionField)
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    def __init__(self, *args, **kwargs):
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        """A generic collection field.
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        super(CollectionField, self).__init__(*args, **kwargs)
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@implementer(IReference)
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class Reference(Object):
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    """An Object-like field which doesn't validate all fields of the schema.
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    the Field class and then check that the given value provides the specified
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    schema.
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    """
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    implements(IReference)
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    def _validate(self, value):
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        Field._validate(self, value)
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            raise SchemaNotProvided()
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@implementer(IReferenceChoice)
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class ReferenceChoice(Choice):
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    """A choice among objects."""
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    implements(IReferenceChoice)
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    def __init__(self, *args, **kwargs):
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        """Initialize a choice among a certain kind of object.