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Fix crash in early window raise in gtk3. #19671

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Merged
merged 1 commit into from
Mar 10, 2021
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anntzer
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@anntzer anntzer commented Mar 9, 2021

Repro:

import matplotlib as mpl
import matplotlib.pyplot as plt
mpl.use('GTK3Agg')
plt.figure().canvas.mpl_connect('resize_event', lambda e: plt.pause(1))
plt.show()

Closes #19593.

No test because heh.

PR Summary

PR Checklist

  • Has pytest style unit tests (and pytest passes).
  • Is Flake 8 compliant (run flake8 on changed files to check).
  • New features are documented, with examples if plot related.
  • Documentation is sphinx and numpydoc compliant (the docs should build without error).
  • Conforms to Matplotlib style conventions (install flake8-docstrings and run flake8 --docstring-convention=all).
  • New features have an entry in doc/users/next_whats_new/ (follow instructions in README.rst there).
  • API changes documented in doc/api/next_api_changes/ (follow instructions in README.rst there).

@timhoffm
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timhoffm commented Mar 9, 2021

Should this issue a warning if the window is not available? (Errors should never pass silently...)

Repro:

    import matplotlib as mpl
    import matplotlib.pyplot as plt
    mpl.use('GTK3Agg')
    plt.figure().canvas.mpl_connect('resize_event', lambda e: plt.pause(1))
    plt.show()
@anntzer
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anntzer commented Mar 10, 2021

sure

@QuLogic QuLogic added this to the v3.4.0 milestone Mar 10, 2021
@QuLogic QuLogic merged commit ff3a0e4 into matplotlib:master Mar 10, 2021
meeseeksmachine pushed a commit to meeseeksmachine/matplotlib that referenced this pull request Mar 10, 2021
@anntzer anntzer deleted the gtkearly branch March 10, 2021 21:52
QuLogic added a commit that referenced this pull request Mar 10, 2021
…671-on-v3.4.x

Backport PR #19671 on branch v3.4.x (Fix crash in early window raise in gtk3.)
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plt.pause crashes GTK3Agg
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