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jklymakmeeseeksmachine
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Backport PR #20826: Fix clear of Axes that are shared.
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lib/matplotlib/axis.py

Lines changed: 7 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -791,8 +791,13 @@ def clear(self):
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# Clear the callback registry for this axis, or it may "leak"
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self.callbacks = cbook.CallbackRegistry()
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self._reset_major_tick_kw()
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self._reset_minor_tick_kw()
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# whether the grids are on
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self._major_tick_kw['gridOn'] = (
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mpl.rcParams['axes.grid'] and
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mpl.rcParams['axes.grid.which'] in ('both', 'major'))
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self._minor_tick_kw['gridOn'] = (
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mpl.rcParams['axes.grid'] and
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mpl.rcParams['axes.grid.which'] in ('both', 'minor'))
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self.reset_ticks()
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self.converter = None

lib/matplotlib/tests/test_axes.py

Lines changed: 15 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -6955,6 +6955,21 @@ def test_2dcolor_plot(fig_test, fig_ref):
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axs[4].bar(np.arange(10), np.arange(10), color=color.reshape((1, -1)))
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@check_figures_equal(extensions=['png'])
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def test_shared_axes_clear(fig_test, fig_ref):
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x = np.arange(0.0, 2*np.pi, 0.01)
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y = np.sin(x)
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axs = fig_ref.subplots(2, 2, sharex=True, sharey=True)
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for ax in axs.flat:
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ax.plot(x, y)
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axs = fig_test.subplots(2, 2, sharex=True, sharey=True)
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for ax in axs.flat:
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ax.clear()
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ax.plot(x, y)
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def test_shared_axes_retick():
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fig, axs = plt.subplots(2, 2, sharex='all', sharey='all')
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