May 30, 2025 · May 23, 2025
diff --git a/lib/mpl_toolkits/axes_grid1/parasite_axes.py b/lib/mpl_toolkits/axes_grid1/parasite_axes.py
        self._parent_axes.callbacks._connect_picklable(
            "ylim_changed", self._sync_lims)

    def get_axes_locator(self):
        return self._parent_axes.get_axes_locator()

    def pick(self, mouseevent):
        # This most likely goes to Artist.pick (depending on axes_class given
        # to the factory), which only handles pick events registered on the
diff --git a/lib/mpl_toolkits/axes_grid1/tests/test_axes_grid1.py b/lib/mpl_toolkits/axes_grid1/tests/test_axes_grid1.py
 from matplotlib.backend_bases import MouseEvent
 from matplotlib.colors import LogNorm
 from matplotlib.patches import Circle, Ellipse
 from matplotlib.transforms import Bbox, TransformedBbox
 from matplotlib.transforms importAffine2D,Bbox, TransformedBbox
 from matplotlib.testing.decorators import (
    check_figures_equal, image_comparison, remove_ticks_and_titles)

 from mpl_toolkits.axes_grid1.axes_rgb import RGBAxes
 from mpl_toolkits.axes_grid1.inset_locator import (
    zoomed_inset_axes, mark_inset, inset_axes, BboxConnectorPatch)
 from mpl_toolkits.axes_grid1.parasite_axes import HostAxes
 import mpl_toolkits.axes_grid1.mpl_axes
 import pytest

                                         [-17.7, -13.9, 7.2, 5.4])


 def test_gettightbbox_parasite():
    fig = plt.figure()

    y0 = 0.3
    horiz = [Size.Scaled(1.0)]
    vert = [Size.Scaled(1.0)]
    ax0_div = Divider(fig, [0.1, y0, 0.8, 0.2], horiz, vert)
    ax1_div = Divider(fig, [0.1, 0.5, 0.8, 0.4], horiz, vert)

    ax0 = fig.add_subplot(
        xticks=[], yticks=[], axes_locator=ax0_div.new_locator(nx=0, ny=0))
    ax1 = fig.add_subplot(
        axes_class=HostAxes, axes_locator=ax1_div.new_locator(nx=0, ny=0))
    aux_ax = ax1.get_aux_axes(Affine2D())

    fig.canvas.draw()
    rdr = fig.canvas.get_renderer()
    assert rdr.get_canvas_width_height()[1] * y0 / fig.dpi == fig.get_tightbbox(rdr).y0


 @pytest.mark.parametrize("click_on", ["big", "small"])
 @pytest.mark.parametrize("big_on_axes,small_on_axes", [
    ("gca", "gca"),
Original file line number	Diff line number	Diff line change
Expand Up		@@ -25,6 +25,9 @@ def clear(self):
		self._parent_axes.callbacks._connect_picklable(
		"ylim_changed", self._sync_lims)

		def get_axes_locator(self):
		return self._parent_axes.get_axes_locator()

		def pick(self, mouseevent):
		# This most likely goes to Artist.pick (depending on axes_class given
		# to the factory), which only handles pick events registered on the
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -9,7 +9,7 @@
		from matplotlib.backend_bases import MouseEvent
		from matplotlib.colors import LogNorm
		from matplotlib.patches import Circle, Ellipse
		from matplotlib.transforms import Bbox, TransformedBbox
		from matplotlib.transforms importAffine2D,Bbox, TransformedBbox
		from matplotlib.testing.decorators import (
		check_figures_equal, image_comparison, remove_ticks_and_titles)

Expand All		@@ -26,6 +26,7 @@
		from mpl_toolkits.axes_grid1.axes_rgb import RGBAxes
		from mpl_toolkits.axes_grid1.inset_locator import (
		zoomed_inset_axes, mark_inset, inset_axes, BboxConnectorPatch)
		from mpl_toolkits.axes_grid1.parasite_axes import HostAxes
		import mpl_toolkits.axes_grid1.mpl_axes
		import pytest

Expand DownExpand Up		@@ -467,6 +468,26 @@ def test_gettightbbox():
		[-17.7, -13.9, 7.2, 5.4])


		def test_gettightbbox_parasite():
		fig = plt.figure()

		y0 = 0.3
		horiz = [Size.Scaled(1.0)]
		vert = [Size.Scaled(1.0)]
		ax0_div = Divider(fig, [0.1, y0, 0.8, 0.2], horiz, vert)
		ax1_div = Divider(fig, [0.1, 0.5, 0.8, 0.4], horiz, vert)

		ax0 = fig.add_subplot(
		xticks=[], yticks=[], axes_locator=ax0_div.new_locator(nx=0, ny=0))
		ax1 = fig.add_subplot(
		axes_class=HostAxes, axes_locator=ax1_div.new_locator(nx=0, ny=0))
		aux_ax = ax1.get_aux_axes(Affine2D())

		fig.canvas.draw()
		rdr = fig.canvas.get_renderer()
		assert rdr.get_canvas_width_height()[1] * y0 / fig.dpi == fig.get_tightbbox(rdr).y0


		@pytest.mark.parametrize("click_on", ["big", "small"])
		@pytest.mark.parametrize("big_on_axes,small_on_axes", [
		("gca", "gca"),
Expand Down