bpo-41468: Improve and test IDLE run error exit (GH-21798)
A message box pops up when an unexpected error stops the run process. Tell users it is likely a random glitch, but report it if not.
diff --git a/Lib/idlelib/run.py b/Lib/idlelib/run.py
index 5bd84aa..1e84ecc 100644
--- a/Lib/idlelib/run.py
+++ b/Lib/idlelib/run.py
@@ -387,14 +387,21 @@
thread.interrupt_main()
except:
erf = sys.__stderr__
- print('\n' + '-'*40, file=erf)
- print('Unhandled server exception!', file=erf)
- print('Thread: %s' % threading.current_thread().name, file=erf)
- print('Client Address: ', client_address, file=erf)
- print('Request: ', repr(request), file=erf)
- traceback.print_exc(file=erf)
- print('\n*** Unrecoverable, server exiting!', file=erf)
- print('-'*40, file=erf)
+ print(textwrap.dedent(f"""
+ {'-'*40}
+ Unhandled exception in user code execution server!'
+ Thread: {threading.current_thread().name}
+ IDLE Client Address: {client_address}
+ Request: {request!r}
+ """), file=erf)
+ traceback.print_exc(limit=-20, file=erf)
+ print(textwrap.dedent(f"""
+ *** Unrecoverable, server exiting!
+
+ Users should never see this message; it is likely transient.
+ If this recurs, report this with a copy of the message
+ and an explanation of how to make it repeat.
+ {'-'*40}"""), file=erf)
quitting = True
thread.interrupt_main()