Source code for bokeh.protocol.messages.error

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

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# Imports
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# Standard library imports
import sys
from traceback import format_exception

# Bokeh imports
from ..message import Message

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

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# General API
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# Dev API
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[docs]class error(Message): ''' Define the ``ERROR`` message for reporting error conditions back to a Bokeh server. The ``content`` fragment of for this message is has the form: .. code-block:: python { 'text' : <error message text> # this is optional 'traceback' : <traceback text> } ''' msgtype = 'ERROR' def __repr__(self): msg = super().__repr__() msg += " --- " msg += self.content['text'] if "traceback" in self.content: msg += "\n" msg += "".join(self.content['traceback']) return msg
[docs] @classmethod def create(cls, request_id, text, **metadata): ''' Create an ``ERROR`` message Args: request_id (str) : The message ID for the message the precipitated the error. text (str) : The text of any error message or traceback, etc. Any additional keyword arguments will be put into the message ``metadata`` fragment as-is. ''' header = cls.create_header(request_id=request_id) content = { 'text' : text, } ex_type, ex, tb = sys.exc_info() if ex_type: content['traceback'] = format_exception(ex_type, ex, tb) return cls(header, metadata, content)
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