Fixes issue #8946

Akshay Nair · Akshay Nair · commit fda65b46a679 · 2018-03-02T14:50:15.000-05:00
diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
@@ -3203,6 +3203,12 @@ def set_xticks(self, ticks, minor=False):
         """
         ret = self.xaxis.set_ticks(ticks, minor=minor)
         self.stale = True
+
+        g = self.get_shared_x_axes()
+        for ax in g.get_siblings(self):
+            ax.xaxis.set_ticks(ticks, minor=minor)
+            ax.stale = True
+
         return ret
 
     def get_xmajorticklabels(self):
@@ -3290,6 +3296,12 @@ def set_xticklabels(self, labels, fontdict=None, minor=False, **kwargs):
         ret = self.xaxis.set_ticklabels(labels,
                                         minor=minor, **kwargs)
         self.stale = True
+
+        g = self.get_shared_x_axes()
+        for ax in g.get_siblings(self):
+            ax.xaxis.set_ticklabels(labels, minor=minor, **kwargs)
+            ax.stale = True
+
         return ret
 
     def invert_yaxis(self):
@@ -3521,6 +3533,9 @@ def set_yticks(self, ticks, minor=False):
             Default is ``False``.
         """
         ret = self.yaxis.set_ticks(ticks, minor=minor)
+        g = self.get_shared_y_axes()
+        for ax in g.get_siblings(self):
+            ax.yaxis.set_ticks(ticks, minor=minor)
         return ret
 
     def get_ymajorticklabels(self):
@@ -3605,8 +3620,12 @@ def set_yticklabels(self, labels, fontdict=None, minor=False, **kwargs):
         """
         if fontdict is not None:
             kwargs.update(fontdict)
-        return self.yaxis.set_ticklabels(labels,
+        ret = self.yaxis.set_ticklabels(labels,
                                          minor=minor, **kwargs)
+        g = self.get_shared_y_axes()
+        for ax in g.get_siblings(self):
+            ax.yaxis.set_ticklabels(labels, minor=minor, **kwargs)
+        return ret
 
     def xaxis_date(self, tz=None):
         """
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -5128,6 +5128,29 @@ def test_remove_shared_axes_relim():
     assert_array_equal(ax_lst[0][1].get_xlim(), orig_xlim)
 
 
+def test_shared_axes_retick():
+    # related to GitHub issue 8946
+    # set_xticks should set shared axes limits
+    fig, ax_lst = plt.subplots(2, 2, sharex='all', sharey='all')
+
+    data = np.random.randn(10)
+    data2 = np.random.randn(10)
+    index = range(10)
+    index2 = [x + 5.5 for x in index]
+
+    ax_lst[0][0].scatter(index, data)
+    ax_lst[0][1].scatter(index2, data2)
+
+    ax_lst[1][0].scatter(index, data)
+    ax_lst[1][1].scatter(index2, data2)
+
+    ax_lst[0][0].set_xticks(range(-10, 20, 1))
+    ax_lst[0][0].set_yticks(range(-10, 20, 1))
+
+    assert ax_lst[0][0].get_xlim() == ax_lst[0][1].get_xlim()
+    assert ax_lst[0][0].get_ylim() == ax_lst[1][0].get_ylim()
+
+
 def test_adjust_numtick_aspect():
     fig, ax = plt.subplots()
     ax.yaxis.get_major_locator().set_params(nbins='auto')
