Handle InvalidTopicNameException in Publisher Initialization #1
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Issue
When an invalid topic name is provided, the
self._node.create_publisherthrows anInvalidTopicNameException, leading to a crash in the GUI.Resolution:
This pull request introduces a try-except block around the publisher initialization logic. If an
InvalidTopicNameExceptionis caught,self._publisheris safely set to None, preventing the GUI from crashing and allowing the application to handle the error gracefully.