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Merged
timhoffm merged 3 commits into from
Jan 8, 2026
Merged

TST: account for asyncio changes in py314 #30918

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2a94a7f
TST: account for asyncio changes in py314
tacaswell Dec 31, 2025
c5ba854
CI: add py314 to test matrix on GHA
tacaswell Dec 31, 2025
6463594
CI: only try to install pyside2 on py311
tacaswell Dec 31, 2025
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10 changes: 8 additions & 2 deletions .github/workflows/tests.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,8 @@ jobs:
pygobject-ver: '<3.52.0'
- os: ubuntu-24.04
python-version: '3.12'
- os: ubuntu-24.04
python-version: '3.14'
- os: ubuntu-24.04-arm
python-version: '3.12'
- os: macos-14 # This runner is on M1 (arm64) chips.
Expand All @@ -87,6 +89,10 @@ jobs:
python-version: '3.13'
# https://github.com/matplotlib/matplotlib/issues/29732
pygobject-ver: '<3.52.0'
- os: macos-15 # This runner is on M1 (arm64) chips.
python-version: '3.14'
# https://github.com/matplotlib/matplotlib/issues/29732
pygobject-ver: '<3.52.0'

steps:
- uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
Expand Down Expand Up @@ -264,8 +270,8 @@ jobs:
# Even though PySide2 wheels can be installed on Python 3.12+, they are broken and since PySide2 is
# deprecated, they are unlikely to be fixed. For the same deprecation reason, there are no wheels
# on M1 macOS, so don't bother there either.
if [[ "${{ matrix.os }}" != 'macos-14'
&& "${{ matrix.python-version }}" != '3.12' && "${{ matrix.python-version }}" != '3.13' ]]; then
if [[ "${{ matrix.os }}" != 'macos-14' && "${{ matrix.python-version }}" == '3.11'
]]; then
python -mpip install --upgrade pyside2 &&
python -c 'import PySide2.QtCore' &&
echo 'PySide2 is available' ||
Expand Down
4 changes: 4 additions & 0 deletions lib/matplotlib/tests/test_backends_interactive.py
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Expand Up @@ -208,6 +208,10 @@ def check_alt_backend(alt_backend):
if fig.canvas.toolbar: # i.e toolbar2.
fig.canvas.toolbar.draw_rubberband(None, 1., 1, 2., 2)

if backend == 'webagg' and sys.version_info >= (3, 14):
import asyncio
asyncio.set_event_loop(asyncio.new_event_loop())

timer = fig.canvas.new_timer(1.) # Test that floats are cast to int.
timer.add_callback(KeyEvent("key_press_event", fig.canvas, "q")._process)
# Trigger quitting upon draw.
Expand Down
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