New submission from Terry J. Reedy <tjre...@udel.edu>:
#38077 fixed the bug of internal runcommand code not deleting 'argv' from the
user namespace. This issue is about not running code there.
When a subprocess is running, pyshell.ModifiedInterpreter.runcommand runs
python code created by IDLE in locals == __main__.__dict__, the same as code
enter by a user. This requires that the code carefully clean up after itself.
I believe the same effect could by had more safely by exec-ing internal
commands in the run module dict or a fresh temporary dict.
Possible solution. In run.Executive.runcode, add 'user=True' to runcode
signature, add 'if user else {}' to 'self.locals' arg, and add
def runcommand(self, code):
return self.runcode(code, user=False). Then replace 'runcode' with
'runcommand' in pyshell runcommand body.
----------
assignee: terry.reedy
components: IDLE
messages: 351562
nosy: terry.reedy
priority: normal
severity: normal
stage: needs patch
status: open
title: IDLE: Don't run internal code in user namespace.
type: behavior
versions: Python 3.7, Python 3.8, Python 3.9
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue38078>
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