fix: Add RecipientNotFoundError for fine-grained exception handling (#4964)#7882
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hsms4710-pixel wants to merge 2 commits into
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fix: Add RecipientNotFoundError for fine-grained exception handling (#4964)#7882hsms4710-pixel wants to merge 2 commits into
hsms4710-pixel wants to merge 2 commits into
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June 24, 2026 13:05
…icrosoft#4964) This PR addresses Issue microsoft#4964 by adding a fine-grained exception class RecipientNotFoundError for 'recipient not found' errors in AutoGen Core. Changes: - Added RecipientNotFoundError to autogen_core/exceptions.py - Updated __all__ to export the new exception - Modified _single_threaded_agent_runtime.py to use RecipientNotFoundError instead of generic Exception This allows users to catch specific 'recipient not found' errors without catching all exceptions. Fixes microsoft#4964
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Why are these changes needed?
This PR addresses Issue #4964 by adding a fine-grained exception class
RecipientNotFoundErrorfor "recipient not found" errors in AutoGen Core.Currently, when a recipient is not found, a generic
Exceptionis raised, making it difficult to catch specific "recipient not found" errors without catching all exceptions. This PR adds a dedicated exception class for better error handling.Related issue number
Fixes #4964
Checks
I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://github.com/microsoft/autogen/blob/main/CONTRIBUTING.md to build and test documentation locally.
I've added tests (verified exception works correctly) corresponding to the changes introduced in this PR.
I've made sure all auto checks have passed.
Changes
RecipientNotFoundErrortoautogen_core/exceptions.py__all__to export the new exception_single_threaded_agent_runtime.pyto useRecipientNotFoundErrorinstead of genericExceptionTesting
RecipientNotFoundErrorcan be imported and usedExceptionChecklist