Closed
Description
Bug summary
When the screen capture shortcut (Shift+Control+Command+4) is used to record a MPL window, an exception occurs in backend_wx.py.
Code for reproduction
import matplotlib
matplotlib.use('WxAgg')
import matplotlib.pyplot as plt
fig, ax = plt.subplots()
fruits = ['apple', 'blueberry', 'cherry', 'orange']
counts = [40, 100, 30, 55]
bar_labels = ['red', 'blue', '_red', 'orange']
bar_colors = ['tab:red', 'tab:blue', 'tab:red', 'tab:orange']
ax.bar(fruits, counts, label=bar_labels, color=bar_colors)
ax.set_ylabel('fruit supply')
ax.set_title('Fruit supply by kind and color')
ax.legend(title='Fruit color')
plt.show()
# run the above code (or anything else with WxAgg selected) in pythonw and
# then with the MPL window active, press Shift+Control at the same timeActual outcome
This exception occurs:
Traceback (most recent call last):
File "/Users/toby/mamba310/envs/py310all/lib/python3.10/site-packages/matplotlib/backends/backend_wx.py", line 753, in _on_key_down
self._get_key(event), *self._mpl_coords(),
File "/Users/toby/mamba310/envs/py310all/lib/python3.10/site-packages/matplotlib/backends/backend_wx.py", line 732, in _get_key
if not (key_name == 'shift' and key.isupper()):
AttributeError: 'NoneType' object has no attribute 'isupper'
Expected outcome
no exception
Additional information
check if key is None before trying to use any methods of it
Operating system
MacOS 13.5
Matplotlib Version
3.6.2
Matplotlib Backend
WxAgg
Python version
3.10.8
Jupyter version
No response
Installation
conda
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