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Improve performance of plt.clf() #26243

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Improve performance of plt.clf() #26243

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be81f83
avoid double call to axis.clear in clf()
eendebakpt Jul 3, 2023
bff2657
add gh link
eendebakpt Jul 3, 2023
86768ae
reset spine axis
eendebakpt Jul 3, 2023
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4 changes: 4 additions & 0 deletions lib/matplotlib/axes/_base.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1275,7 +1275,11 @@ def __clear(self):
for axis in self._axis_map.values():
axis.clear() # Also resets the scale to linear.
for spine in self.spines.values():
# avoid expensive methods in the clearing of the spine, gh-26243
tmp_axis = spine.axis
spine.axis = None
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We have a context manager that will do this setting/resetting in matplotlib.cbook._setattr_cm.

spine.clear()
spine.axis = tmp_axis

self.ignore_existing_data_limits = True
self.callbacks = cbook.CallbackRegistry(
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