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Deprecate Colorbar.patch. #20481

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Merged
merged 1 commit into from
Jul 8, 2021
Merged

Deprecate Colorbar.patch. #20481

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5 changes: 5 additions & 0 deletions doc/api/next_api_changes/behavior/20054-JMK.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -5,3 +5,8 @@ If a colorbar has lines added to it (e.g. for contour lines), these will
no longer be clipped. This is an improvement for lines on the edge of
the colorbar, but could lead to lines off the colorbar if the limits of
the colorbar are changed.

``Colorbar.patch`` is deprecated
================================

This attribute is not correctly updated anymore.
8 changes: 6 additions & 2 deletions lib/matplotlib/colorbar.py
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Expand Up @@ -451,10 +451,11 @@ def __init__(self, ax, mappable=None, *, cmap=None,
spine.set_visible(False)
self.outline = self.ax.spines['outline'] = _ColorbarSpine(self.ax)
self._short_axis().set_visible(False)
self.patch = mpatches.Polygon(
# Only kept for backcompat; remove after deprecation of .patch elapses.
self._patch = mpatches.Polygon(
np.empty((0, 2)),
color=mpl.rcParams['axes.facecolor'], linewidth=0.01, zorder=-1)
ax.add_artist(self.patch)
ax.add_artist(self._patch)

self.dividers = collections.LineCollection(
[],
Expand Down Expand Up @@ -487,6 +488,9 @@ def __init__(self, ax, mappable=None, *, cmap=None,
if isinstance(mappable, contour.ContourSet) and not mappable.filled:
self.add_lines(mappable)

# Also remove ._patch after deprecation elapses.
patch = _api.deprecate_privatize_attribute("3.5")

def update_normal(self, mappable):
"""
Update solid patches, lines, etc.
Expand Down