''' Provide named exceptions having to do with handling Bokeh Protocol messages. ''' from __future__ import absolute_import class MessageError(Exception): ''' Indicate an error in constructing a Bokeh Message object. This exception usually indicates that the JSON fragments of a message cannot be decoded at all. ''' pass class ProtocolError(Exception): ''' Indicate an error in processing wire protocol fragments. This exception indicates that decoded message fragments cannot be properly assembled. ''' pass class ValidationError(Exception): ''' Indicate an error validating wire protocol fragments. This exception typically indicates that a binary message fragment was received when a text fragment was expected, or vice-versa. ''' pass