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cla(), clf() should unset the .axes and .figure attributes of deparented artists #6982

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anntzer opened this issue Aug 26, 2016 · 0 comments · Fixed by #24627
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cla(), clf() should unset the .axes and .figure attributes of deparented artists #6982

anntzer opened this issue Aug 26, 2016 · 0 comments · Fixed by #24627
Milestone
v3.7.0

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@anntzer
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anntzer commented Aug 26, 2016

mpl2.0b3: Removing an artist from its axes unsets its .axes attribute, but clearing the axes does not do so.

In [11]: f, a = plt.subplots(); l, = a.plot([1, 2]); l.remove(); print(l.axes)
None

In [12]: f, a = plt.subplots(); l, = a.plot([1, 2]); a.cla(); print(l.axes)
Axes(0.125,0.11;0.775x0.77)
@tacaswell tacaswell added this to the 2.1 (next point release) milestone Aug 27, 2016
@anntzer anntzer mentioned this issue Apr 22, 2017
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@tacaswell tacaswell modified the milestones: 2.1 (next point release), 2.2 (next next feature release) Oct 3, 2017
@anntzer anntzer mentioned this issue Mar 28, 2018
Closed
2 tasks
@tacaswell tacaswell modified the milestones: needs sorting, v3.1 Aug 30, 2018
@anntzer anntzer modified the milestones: v3.1.0, v3.2.0 Feb 25, 2019
@tacaswell tacaswell modified the milestones: v3.2.0, needs sorting Sep 10, 2019
tacaswell added a commit to tacaswell/matplotlib that referenced this issue Dec 4, 2022
@tacaswell
MNT: when clearing an Axes via clear/cla fully detach children
2c1172b 
Reset the Axes and Figure of the children to None to help break cycles.

Closes matplotlib#6982
@tacaswell tacaswell modified the milestones: future releases, v3.7.0 Dec 5, 2022
tacaswell added a commit to tacaswell/matplotlib that referenced this issue Dec 5, 2022
@tacaswell
MNT: when clearing an Axes via clear/cla fully detach children
c68d4de 
Reset the Axes and Figure of the children to None to help break cycles.

Closes matplotlib#6982
@tacaswell tacaswell mentioned this issue Dec 5, 2022
Merged
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tacaswell added a commit to tacaswell/matplotlib that referenced this issue Dec 5, 2022
@tacaswell
MNT: when clearing an Axes via clear/cla fully detach children
ffcc8d3 
Reset the Axes and Figure of the children to None to help break cycles.

Closes matplotlib#6982
melissawm pushed a commit to melissawm/matplotlib that referenced this issue Dec 19, 2022
@tacaswell @melissawm
MNT: when clearing an Axes via clear/cla fully detach children
de498b4 
Reset the Axes and Figure of the children to None to help break cycles.

Closes matplotlib#6982
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MNT: when clearing an Axes via clear/cla fully detach children tacaswell/matplotlib
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