[issue27044] Stop test_idle memory leaks

[Terry J. Reedy]

Changes by Terry J. Reedy :


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resolution:  -> fixed
stage: needs patch -> resolved
status: open -> closed

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[issue27044] Stop test_idle memory leaks

[Roundup Robot]

Roundup Robot added the comment:

New changeset 9e1c859562bb by Terry Jan Reedy in branch '2.7':
Backports: #25747: remove bad test.  #27044: stop test_idle from leaking.
https://hg.python.org/cpython/rev/9e1c859562bb

New changeset 6a33d8d5d208 by Terry Jan Reedy in branch '3.5':
Issue #27044: stop test_idle from leaking by deleting callbacks.
https://hg.python.org/cpython/rev/6a33d8d5d208

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nosy: +python-dev

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[issue27044] Stop test_idle memory leaks

[Terry J. Reedy]

New submission from Terry J. Reedy:

test_idle leaked [2648, 2648, 2648] references, sum=7944
test_idle leaked [938, 940, 940] memory blocks, sum=2818

I traced this to test_configdialog and then to ConfigDialog.AttachVarCallbacks, 
which has 18 call like
self.fontSize.trace_variable('w', self.VarChanged_font)
Currently, root.destroy does not destroy associated callbacks.  Serhiy has a 
patch to change this, but will do explicit cleanup for the test anyway.

--
assignee: terry.reedy
messages: 265743
nosy: terry.reedy
priority: normal
severity: normal
stage: needs patch
status: open
title: Stop test_idle memory leaks
type: behavior
versions: Python 2.7, Python 3.5, Python 3.6

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