Source code for bokeh.core.property.json

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# Copyright (c) 2012 - 2018, Anaconda, Inc. All rights reserved.
#
# Powered by the Bokeh Development Team.
#
# 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 absolute_import, division, print_function, unicode_literals

import logging
log = logging.getLogger(__name__)

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# Imports
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# Standard library imports

# External imports

# 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 or None, optional) : A default value for attributes created from this property to have (default: None) 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(JSON, self).validate(value, detail) if value is None: return try: import json json.loads(value) except ValueError: msg = "" if not detail else "expected JSON text, got %r" % value raise ValueError(msg)
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