Message 69772 - Python tracker

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Author	pitrou
Recipients	brett.cannon, esrever_otua, pitrou
Date	2008-07-16.11:20:28
SpamBayes Score	0.058558527
Marked as misclassified	No
Message-id	<1216207231.1.0.609908466679.issue3373@psf.upfronthosting.co.za>
In-reply-to

Content
Why was 1000 chosen in the first place? If it's just an arbitrary value then we can bump it to 4000 so that people don't get bad surprises when upgrading their Python. > This looks more > like the interpreter is adding 4x the number of items to the stack > during the construction of the nested object, which seems pretty > surprising/broken... Well PyObject_Call increases the recursion count, and entering __init__ will increase it once more. That explains the 2x, not the 4x though.

Why was 1000 chosen in the first place? If it's just an arbitrary value
then we can bump it to 4000 so that people don't get bad surprises when
upgrading their Python.

> This looks more
> like the interpreter is adding 4x the number of items to the stack
> during the construction of the nested object, which seems pretty
> surprising/broken...

Well PyObject_Call increases the recursion count, and entering __init__
will increase it once more. That explains the 2x, not the 4x though.

History
Date	User	Action	Args
2008-07-16 11:20:31	pitrou	set	spambayes_score: 0.0585585 -> 0.058558527 recipients: + pitrou, brett.cannon, esrever_otua
2008-07-16 11:20:31	pitrou	set	spambayes_score: 0.0585585 -> 0.0585585 messageid: <1216207231.1.0.609908466679.issue3373@psf.upfronthosting.co.za>
2008-07-16 11:20:30	pitrou	link	issue3373 messages
2008-07-16 11:20:28	pitrou	create