Source code for bokeh.core.property.auto

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# Copyright (c) 2012 - 2021, Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
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""" Provide the Auto property.

"""

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# Boilerplate
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from __future__ import annotations

import logging # isort:skip
log = logging.getLogger(__name__)

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# Imports
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# Bokeh imports
from .enum import Enum

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# Globals and constants
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__all__ = (
    'Auto',
)

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# General API
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[docs]class Auto(Enum): """ Accepts only the string "auto". Useful for properties that can be configured to behave "automatically". Example: This property is often most useful in conjunction with the :class:`~bokeh.core.properties.Either` property. .. code-block:: python >>> class AutoModel(HasProps): ... prop = Either(Float, Auto) ... >>> m = AutoModel() >>> m.prop = 10.2 >>> m.prop = "auto" >>> m.prop = "foo" # ValueError !! >>> m.prop = [1, 2, 3] # ValueError !! """ def __init__(self) -> None: super().__init__("auto") def __str__(self) -> str: return self.__class__.__name__
#----------------------------------------------------------------------------- # Dev API #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Private API #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Code #-----------------------------------------------------------------------------