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Classes

ChoiceProperty

A property for efficiently storing choices made from a finite set.

This works by mapping each choice to an integer. The choices must be hashable (so that they can be efficiently mapped back to their corresponding index).

c2i

Convert a choice to its datastore representation.

get_choices

Get a list of values which may be assigned to this property.

make_value_from_datastore

Convert int from datastore to choice.

get_value_for_datastore

Use underlying int value for datastore.