May 14, 2025 · May 14, 2025
diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
        if not self.get_figure(root=True).canvas.is_saving():
            artists = [
                a for a in artists
                if not a.get_animated() or isinstance(a, mimage.AxesImage)]
                if not a.get_animated()]
        artists = sorted(artists, key=attrgetter('zorder'))

        # rasterize artists with negative zorder
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
 import matplotlib.text as mtext
 import matplotlib.ticker as mticker
 import matplotlib.transforms as mtransforms
 from matplotlib.backends.backend_agg import FigureCanvasAgg
 import mpl_toolkits.axisartist as AA  # type: ignore[import]
 from numpy.testing import (
    assert_allclose, assert_array_equal, assert_array_almost_equal)
 from matplotlib.testing.decorators import (
    image_comparison, check_figures_equal, remove_ticks_and_titles)
 from matplotlib.testing._markers import needs_usetex

 from unittest.mock import MagicMock
 # Note: Some test cases are run twice: once normally and once with labeled data
 #       These two must be defined in the same test function or need to have
 #       different baseline images to prevent race conditions when pytest runs
    fig, ax = plt.subplots()
    with pytest.raises(ValueError, match="All wedge sizes are zero"):
        ax.pie([0, 0], labels=["A", "B"])


 def test_animated_artists_not_drawn_by_default():
    fig, (ax1, ax2) = plt.subplots(ncols=2)
    canvas = FigureCanvasAgg(fig)

    imdata = np.random.random((20, 20))
    lndata = imdata[0]

    im = ax1.imshow(imdata, animated=True)
    (ln,) = ax2.plot(lndata, animated=True)

    im.draw = MagicMock(name="im.draw")
    ln.draw = MagicMock(name="ln.draw")

    canvas.draw()

    im.draw.assert_not_called()
    ln.draw.assert_not_called()
Original file line number	Diff line number	Diff line change
Expand Up		@@ -3174,7 +3174,7 @@ def draw(self, renderer):
		if not self.get_figure(root=True).canvas.is_saving():
		artists = [
		a for a in artists
		if not a.get_animated() or isinstance(a, mimage.AxesImage)]
		if not a.get_animated()]
		artists = sorted(artists, key=attrgetter('zorder'))

		# rasterize artists with negative zorder
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -37,13 +37,14 @@
		import matplotlib.text as mtext
		import matplotlib.ticker as mticker
		import matplotlib.transforms as mtransforms
		from matplotlib.backends.backend_agg import FigureCanvasAgg
		import mpl_toolkits.axisartist as AA # type: ignore[import]
		from numpy.testing import (
		assert_allclose, assert_array_equal, assert_array_almost_equal)
		from matplotlib.testing.decorators import (
		image_comparison, check_figures_equal, remove_ticks_and_titles)
		from matplotlib.testing._markers import needs_usetex

		from unittest.mock import MagicMock
		# Note: Some test cases are run twice: once normally and once with labeled data
		# These two must be defined in the same test function or need to have
		# different baseline images to prevent race conditions when pytest runs
Expand DownExpand Up		@@ -9753,3 +9754,22 @@ def test_pie_all_zeros():
		fig, ax = plt.subplots()
		with pytest.raises(ValueError, match="All wedge sizes are zero"):
		ax.pie([0, 0], labels=["A", "B"])


		def test_animated_artists_not_drawn_by_default():
		fig, (ax1, ax2) = plt.subplots(ncols=2)
		canvas = FigureCanvasAgg(fig)

		imdata = np.random.random((20, 20))
		lndata = imdata[0]

		im = ax1.imshow(imdata, animated=True)
		(ln,) = ax2.plot(lndata, animated=True)

		im.draw = MagicMock(name="im.draw")
		ln.draw = MagicMock(name="ln.draw")

		canvas.draw()

		im.draw.assert_not_called()
		ln.draw.assert_not_called()