Message 383351 - Python tracker

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Author	terry.reedy
Recipients	mjo, terry.reedy
Date	2020-12-19.01:48:32
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1608342512.64.0.691309945022.issue42649@roundup.psfhosted.org>
In-reply-to

Content
One can use sys.setrecursionlimit to increase allowed recursion depth. But... When I ran code from 3.10.0a3 IDLE editor, something hung. Without touching recursion limit, when I split statement apart into ex = compile("""<300 lines>""", '', 'eval') print(eval(ex)) I got 106994.5 in under a second. With exec, ditto except that None is printed. Same last result with 3.9.1.

One can use sys.setrecursionlimit to increase allowed recursion depth.

But...  When I ran code from 3.10.0a3 IDLE editor, something hung.  Without touching recursion limit, when I split statement apart into

ex = compile("""<300 lines>""", '', 'eval')
print(eval(ex))

I got 106994.5 in under a second.  With exec, ditto except that None is printed.  Same last result with 3.9.1.

History
Date	User	Action	Args
2020-12-19 01:48:32	terry.reedy	set	recipients: + terry.reedy, mjo
2020-12-19 01:48:32	terry.reedy	set	messageid: <1608342512.64.0.691309945022.issue42649@roundup.psfhosted.org>
2020-12-19 01:48:32	terry.reedy	link	issue42649 messages
2020-12-19 01:48:32	terry.reedy	create