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[3.7] bpo-37929: IDLE: avoid Squeezer-related config dialog crashes (GH-15452) #15484

Merged
merged 1 commit into from
Aug 25, 2019
Merged

[3.7] bpo-37929: IDLE: avoid Squeezer-related config dialog crashes (GH-15452) #15484

merged 1 commit into from
Aug 25, 2019

Commits on Aug 25, 2019

  1. bpo-37929: IDLE: avoid Squeezer-related config dialog crashes (python… 

    …GH-15452)

These were caused by keeping around a reference to the Squeezer
instance and calling it's load_font() upon config changes, which
sometimes happened even if the shell window no longer existed.

This change completely removes that mechanism, instead having the
editor window properly update its width attribute, which can then
be used by Squeezer.
(cherry picked from commit d4b4c00)

Co-authored-by: Tal Einat <taleinat+github@gmail.com>
    @taleinat @miss-islington
    taleinat authored and miss-islington committed Aug 25, 2019
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