python-pandas/52150.patch

90 lines
3.1 KiB
Diff

From f1e57545d1de0d56896a9f5fcad475b718b264cd Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Thu, 23 Mar 2023 20:13:55 -0400
Subject: [PATCH 1/3] FIX: skip Axes not in subplot layouts
As of mpl 3.7 all Axes now report as being instances of Subplots, however
ax.get_subplotspec() may now return None if the Axes is not actually in
gridspec.
---
pandas/plotting/_matplotlib/core.py | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/pandas/plotting/_matplotlib/core.py b/pandas/plotting/_matplotlib/core.py
index 49b92e0984713..dd6b419c9a56b 100644
--- a/pandas/plotting/_matplotlib/core.py
+++ b/pandas/plotting/_matplotlib/core.py
@@ -1112,7 +1112,9 @@ def _get_subplots(self):
from matplotlib.axes import Subplot
return [
- ax for ax in self.axes[0].get_figure().get_axes() if isinstance(ax, Subplot)
+ ax
+ for ax in self.axes[0].get_figure().get_axes()
+ if (isinstance(ax, Subplot) and ax.get_subplotspec() is not None)
]
def _get_axes_layout(self) -> tuple[int, int]:
From 3e66bcb4985540b97306523a6827b6951b0e436c Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Thu, 23 Mar 2023 20:15:43 -0400
Subject: [PATCH 2/3] MNT: avoid unneeded indirection
The MPLPlot instance already holds a reference to the Figure, use that
instead of walking up from the first Axes.
---
pandas/plotting/_matplotlib/core.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/pandas/plotting/_matplotlib/core.py b/pandas/plotting/_matplotlib/core.py
index dd6b419c9a56b..54bd1c843da79 100644
--- a/pandas/plotting/_matplotlib/core.py
+++ b/pandas/plotting/_matplotlib/core.py
@@ -1113,7 +1113,7 @@ def _get_subplots(self):
return [
ax
- for ax in self.axes[0].get_figure().get_axes()
+ for ax in self.fig.get_axes()
if (isinstance(ax, Subplot) and ax.get_subplotspec() is not None)
]
From 67113f9560040d42e3b7b2fd099f0671537e241e Mon Sep 17 00:00:00 2001
From: Thomas A Caswell <tcaswell@gmail.com>
Date: Thu, 23 Mar 2023 20:20:38 -0400
Subject: [PATCH 3/3] TST: add test of trying to layout a colorbar
---
pandas/tests/plotting/test_common.py | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/pandas/tests/plotting/test_common.py b/pandas/tests/plotting/test_common.py
index d4624cfc74872..faf8278675566 100644
--- a/pandas/tests/plotting/test_common.py
+++ b/pandas/tests/plotting/test_common.py
@@ -40,3 +40,22 @@ def test__gen_two_subplots_with_ax(self):
subplot_geometry = list(axes[0].get_subplotspec().get_geometry()[:-1])
subplot_geometry[-1] += 1
assert subplot_geometry == [2, 1, 2]
+
+ def test_colorbar_layout(self):
+ fig = self.plt.figure()
+
+ axes = fig.subplot_mosaic(
+ """
+ AB
+ CC
+ """
+ )
+
+ x = [1, 2, 3]
+ y = [1, 2, 3]
+
+ cs0 = axes["A"].scatter(x, y)
+ axes["B"].scatter(x, y)
+
+ fig.colorbar(cs0, ax=[axes["A"], axes["B"]], location="right")
+ DataFrame(x).plot(ax=axes["C"])