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bpo-41468: Improve and test IDLE run error exit (GH-21798)

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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.
(cherry picked from commit f2e161c279)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
This commit is contained in:
Miss Islington (bot) 2020-08-09 13:26:21 -07:00 • committed by GitHub
parent 6860cf5387
commit a9fa66377f
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4 changed files with 49 additions and 10 deletions
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23
Lib/idlelib/run.py
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@ -387,14 +387,21 @@ def handle_error(self, request, client_address):
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()