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Commit4052a10

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Merge pull request#27780 from timhoffm/fix-boxplot-labels
Partly revert#27711
2 parents05df015 +3dfcb51 commit4052a10

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2 files changed

+15
-32
lines changed

2 files changed

+15
-32
lines changed

‎lib/matplotlib/axes/_axes.py

Lines changed: 2 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -3885,7 +3885,8 @@ def boxplot(self, x, notch=None, sym=None, vert=None, whis=None,
38853885
boxes are drawn with Patch artists.
38863886
38873887
labels : sequence, optional
3888-
Labels for each dataset (one per dataset).
3888+
Labels for each dataset (one per dataset). These are used for
3889+
x-tick labels; *not* for legend entries.
38893890
38903891
manage_ticks : bool, default: True
38913892
If True, the tick locations and labels will be adjusted to match
@@ -4004,9 +4005,6 @@ def boxplot(self, x, notch=None, sym=None, vert=None, whis=None,
40044005
if'color'inboxprops:
40054006
boxprops['edgecolor']=boxprops.pop('color')
40064007

4007-
iflabels:
4008-
boxprops['label']=labels
4009-
40104008
# if non-default sym value, put it into the flier dictionary
40114009
# the logic for providing the default symbol ('b+') now lives
40124010
# in bxp in the initial value of flierkw

‎lib/matplotlib/tests/test_legend.py

Lines changed: 13 additions & 28 deletions
Original file line numberDiff line numberDiff line change
@@ -1429,31 +1429,16 @@ def test_legend_text():
14291429
assert_allclose(leg_bboxes[1].bounds,leg_bboxes[0].bounds)
14301430

14311431

1432-
deftest_boxplot_legend():
1433-
# Test that boxplot legends handles are patches
1434-
# and labels are generated from boxplot's labels parameter.
1435-
fig,axs=plt.subplots()
1436-
A=5*np.random.rand(100,1)
1437-
B=10*np.random.rand(100,1)-5
1438-
C=7*np.random.rand(100,1)-5
1439-
labels= ['a','b','c']
1440-
1441-
bp0=axs.boxplot(A,positions=[0],patch_artist=True,labels=labels[0])
1442-
bp1=axs.boxplot(B,positions=[1],patch_artist=True,labels=labels[1])
1443-
bp2=axs.boxplot(C,positions=[2],patch_artist=True,labels=labels[2])
1444-
# red, blue, green
1445-
colors= [(1.0,0.0,0.0,1), (0.0,0.0,1.0,1), (0.0,0.5,0.0,1)]
1446-
box_list= [bp0,bp1,bp2]
1447-
# Set colors to the boxes
1448-
lbl_index=0
1449-
forb_plot,colorinzip(box_list,colors):
1450-
forpatchinb_plot['boxes']:
1451-
patch.set_color(color)
1452-
lbl_index+=1
1453-
1454-
legend=axs.legend()
1455-
forindex,handleinenumerate(legend.legend_handles):
1456-
assertisinstance(handle,mpl.patches.Rectangle)
1457-
asserthandle.get_facecolor()==colors[index]
1458-
asserthandle.get_edgecolor()==colors[index]
1459-
asserthandle.get_label()==labels[index]
1432+
deftest_boxplot_labels():
1433+
# Test that boxplot(..., labels=) sets the tick labels but not legend entries
1434+
# This is not consistent with other plot types but is the current behavior.
1435+
fig,ax=plt.subplots()
1436+
np.random.seed(19680801)
1437+
data=np.random.random((10,3))
1438+
bp=ax.boxplot(data,labels=['A','B','C'])
1439+
# Check that labels set the tick labels ...
1440+
assert [l.get_text()forlinax.get_xticklabels()]== ['A','B','C']
1441+
# ... but not legend entries
1442+
handles,labels=ax.get_legend_handles_labels()
1443+
assertlen(handles)==0
1444+
assertlen(labels)==0

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