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WidgetTypet WidgetsListc B s e Z d „ Z e d „ ƒ Z RS( c C sÜ | i d t | ƒ ƒ | d >> from tw.api import Widget
>>> len(list(Widget.iter_classes())) > 0
True
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Syntactic sugar for declaring a list of widgets.
>>> from tw.api import Widget
>>> class Widgets(WidgetsList):
... a = Widget()
... b = Widget()
... c = Widget()
...
>>> widgets = Widgets()
>>> [w.id for w in widgets]
['a', 'b', 'c']
WidgetsLists can be passed to another widget as children by
the instance or the class.
>>> w = Widget('foo', children=widgets)
>>> [c.id for c in w.children]
['foo_a', 'foo_b', 'foo_c']
>>> w = Widget('foo', children=Widgets)
>>> [c.id for c in w.children]
['foo_a', 'foo_b', 'foo_c']
WidgetsLists subclasses can also be added to reuse common widgets
>>> class Widgets2(WidgetsList):
... d = Widget()
...
>>> widgets = Widgets + Widgets2
>>> [w.id for w in widgets]
['a', 'b', 'c', 'd']
>>> widgets = Widgets2 + Widgets
>>> [w.id for w in widgets]
['d', 'a', 'b', 'c']
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