API docs for “formless.annotate.Choice”

Allow the user to pick from a list of "choices", presented in a drop-down menu. The elements of the list will be rendered by calling the function passed to stringify, which is by default "str".

Line #	Kind	Name	Docs
280	Method	__init__	Create a Choice.
329	Method	coerce	Coerce a value with the help of an object, which is the object

Inherited from Typed:

Line #	Kind	Name	Docs
137	Method	getAttribute	Undocumented

Line #	Kind	Name	Docs
280	Method	__init__	Create a Choice.
329	Method	coerce	Coerce a value with the help of an object, which is the object
137	Method	getAttribute	Undocumented

def __init__(self, *args, choices=None, choicesAttribute=None, stringify=str, valueToKey=str, keyToValue=None, keyAndConfigurableToValue=None, **kw): (source)

overrides formless.annotate.Typed.__init__

Create a Choice.

Parameters	choices	an object adaptable to IGettable for an iterator (such as a function which takes (ctx, data) and returns a list, a list itself, a tuple, a generator...)
	stringify	a pretty-printer. a function which takes an object in the list of choices and returns a label for it.
	valueToKey	a function which converts an object in the list of choices to a string that can be sent to a client.
	keyToValue	a 1-argument convenience version of keyAndConfigurableToValue
	keyAndConfigurableToValue	a 2-argument function which takes a string such as one returned from valueToKey and a configurable, and returns an object such as one from the list of choices.

def coerce(self, val, configurable): (source)

from formless.iformless.ITyped

overrides formless.annotate.Typed.coerce

Coerce a value with the help of an object, which is the object we are configuring.

Class f.a.Choice(Typed):