IntHandleEmpty#
- class jdaviz.core.custom_traitlets.IntHandleEmpty(*args, **kwargs)[source]#
Bases:
HandleEmptyMixin
,Int
Mixin to handle empty integer field.
Declare a traitlet.
If allow_none is True, None is a valid value in addition to any values that are normally valid. The default is up to the subclass. For most trait types, the default value for
allow_none
is False.If read_only is True, attempts to directly modify a trait attribute raises a TraitError.
If help is a string, it documents the attribute’s purpose.
Extra metadata can be associated with the traitlet using the .tag() convenience method or by using the traitlet instance’s .metadata dictionary.