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ENH: add remove call back to axes #4768

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Merged
merged 2 commits into from
Jul 23, 2015
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ENH: add remove call back to axes #4768

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56d2561
ENH: add remove call back to axes
tacaswell Jul 23, 2015
555e03e
DOC: add whats_new
tacaswell Jul 23, 2015
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5 changes: 5 additions & 0 deletions doc/users/whats_new/2015-07-23_axes_remove_method.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
`ax.remove()` works as expected
-------------------------------

As with artists added to as `Axes`, `Axes` can be
removed from their figure via ``ax.remove()``
2 changes: 2 additions & 0 deletions lib/matplotlib/figure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -908,6 +908,7 @@ def add_axes(self, *args, **kwargs):

self._axstack.add(key, a)
self.sca(a)
a._remove_method = lambda ax: self.delaxes(ax)
self.stale = True
return a

Expand Down Expand Up @@ -996,6 +997,7 @@ def add_subplot(self, *args, **kwargs):

self._axstack.add(key, a)
self.sca(a)
a._remove_method = lambda ax: self.delaxes(ax)
self.stale = True
return a

Expand Down
12 changes: 11 additions & 1 deletion lib/matplotlib/tests/test_figure.py
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Expand Up @@ -4,7 +4,7 @@
from matplotlib.externals import six
from matplotlib.externals.six.moves import xrange

from nose.tools import assert_equal, assert_true, assert_raises
from nose.tools import assert_equal, assert_true
from matplotlib.testing.decorators import image_comparison, cleanup
from matplotlib.axes import Axes
import matplotlib.pyplot as plt
Expand Down Expand Up @@ -181,6 +181,16 @@ def test_set_fig_size():
assert_equal(fig.get_figheight(), 3)


@cleanup
def test_axes_remove():
fig, axes = plt.subplots(2, 2)
axes[-1, -1].remove()
for ax in axes.ravel()[:-1]:
assert ax in fig.axes
assert axes[-1, -1] not in fig.axes
assert_equal(len(fig.axes), 3)


if __name__ == "__main__":
import nose
nose.runmodule(argv=['-s', '--with-doctest'], exit=False)