Source code for bokeh.core.property.json

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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 JSON 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 .primitive import String

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

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# General API
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[docs]class JSON(String): """ Accept JSON string values. The value is transmitted and received by BokehJS as a *string* containing JSON content. i.e., you must use ``JSON.parse`` to unpack the value into a JavaScript hash. Args: default (string, optional) : A default value for attributes created from this property to have. help (str or None, optional) : A documentation string for this property. It will be automatically used by the :ref:`bokeh.sphinxext.bokeh_prop` extension when generating Spinx documentation. (default: None) serialized (bool, optional) : Whether attributes created from this property should be included in serialization (default: True) readonly (bool, optional) : Whether attributes created from this property are read-only. (default: False) """ def validate(self, value, detail=True): super().validate(value, detail) try: import json json.loads(value) except ValueError: msg = "" if not detail else f"expected JSON text, got {value!r}" raise ValueError(msg)
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