Source code for bokeh.core.property.json

#-----------------------------------------------------------------------------
# Copyright (c) 2012 - 2024, Anaconda, Inc., and Bokeh Contributors.
# All rights reserved.
#
# The full license is in the file LICENSE.txt, distributed with this software.
#-----------------------------------------------------------------------------
""" Provide the JSON property.

"""

#-----------------------------------------------------------------------------
# Boilerplate
#-----------------------------------------------------------------------------
from __future__ import annotations

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

#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------

# Standard library imports
from typing import Any

# Bokeh imports
from .primitive import String

#-----------------------------------------------------------------------------
# Globals and constants
#-----------------------------------------------------------------------------

__all__ = (
    'JSON',
)

#-----------------------------------------------------------------------------
# General API
#-----------------------------------------------------------------------------

[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) """ def validate(self, value: Any, detail: bool = True) -> None: 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)
#----------------------------------------------------------------------------- # Dev API #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Private API #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Code #-----------------------------------------------------------------------------