Message 370924 - Python tracker

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In-reply-to
Author	vstinner
Recipients	skrah, vstinner
Date	2020年06月07日.23:13:57
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1591571637.23.0.667868715509.issue40887@roundup.psfhosted.org>

Content
I'm curious about this bug, so I looked at code changes. Before Python 3.6, warnings.c "garbage" is declared as a static variable. It is initialized once but never cleared. In Python 3.7, the variable moved into _PyRuntimeState.gc. In Python 3.8, _PyGC_Fini() started to clear the "garbage" list. This function is called by Py_FinalizeEx() after PyList_Fini().

Content

I'm curious about this bug, so I looked at code changes.
Before Python 3.6, warnings.c "garbage" is declared as a static variable. It is initialized once but never cleared.
In Python 3.7, the variable moved into _PyRuntimeState.gc.
In Python 3.8, _PyGC_Fini() started to clear the "garbage" list. This function is called by Py_FinalizeEx() *after* PyList_Fini().

History
Date	User	Action	Args
2020年06月07日 23:13:57	vstinner	set	recipients: + vstinner, skrah
2020年06月07日 23:13:57	vstinner	set	messageid: <1591571637.23.0.667868715509.issue40887@roundup.psfhosted.org>
2020年06月07日 23:13:57	vstinner	link	issue40887 messages
2020年06月07日 23:13:57	vstinner	create

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