Merge pull request #23452 from scottshambaugh/axes3d_repr

Generalize Axes __repr__ to 3D

lib/matplotlib/axes/_base.py

@@ -732,10 +732,9 @@ def __repr__(self):
                     titles.append(f"{k!r}:{title!r}")
         if titles:
             fields += ["title={" + ",".join(titles) + "}"]
-        if self.get_xlabel():
-            fields += [f"xlabel={self.get_xlabel()!r}"]
-        if self.get_ylabel():
-            fields += [f"ylabel={self.get_ylabel()!r}"]
+        for name, axis in self._axis_map.items():
+            if axis.get_label() and axis.get_label().get_text():
+                fields += [f"{name}label={axis.get_label().get_text()!r}"]
         return f"<{self.__class__.__name__}:" + ", ".join(fields) + ">"
 
     @_api.delete_parameter("3.6", "args")

lib/matplotlib/tests/test_axes.py

@@ -59,6 +59,16 @@ def test_get_labels():
     assert ax.get_ylabel() == 'y label'
 
 
+def test_repr():
+    fig, ax = plt.subplots()
+    ax.set_label('label')
+    ax.set_title('title')
+    ax.set_xlabel('x')
+    ax.set_ylabel('y')
+    assert repr(ax) == ("<AxesSubplot:label='label', " +
+                        "title={'center':'title'}, xlabel='x', ylabel='y'>")
+
+
 @check_figures_equal()
 def test_label_loc_vertical(fig_test, fig_ref):
     ax = fig_test.subplots()

lib/mpl_toolkits/tests/test_mplot3d.py

@@ -34,6 +34,19 @@ def test_aspect_equal_error():
         ax.set_aspect('equal')
 
 
+def test_axes3d_repr():
+    fig = plt.figure()
+    ax = fig.add_subplot(projection='3d')
+    ax.set_label('label')
+    ax.set_title('title')
+    ax.set_xlabel('x')
+    ax.set_ylabel('y')
+    ax.set_zlabel('z')
+    assert repr(ax) == ("<Axes3DSubplot:label='label', " +
+                        "title={'center':'title'}, " +
+                        "xlabel='x', ylabel='y', zlabel='z'>")
+
+
 @mpl3d_image_comparison(['bar3d.png'])
 def test_bar3d():
     fig = plt.figure()