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Update matplotlib backend switching (#4987)

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Glenn Jocher 2023-09-20 00:50:30 +02:00 • committed by GitHub
parent 28569ced8a
commit 7f78fad8ba
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3 changed files with 9 additions and 4 deletions
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8
ultralytics/utils/__init__.py
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@ -208,12 +208,16 @@ def plt_settings(rcparams=None, backend='Agg'):
def wrapper(*args, **kwargs):
"""Sets rc parameters and backend, calls the original function, and restores the settings."""
original_backend = plt.get_backend()
plt.switch_backend(backend)
if backend != original_backend:
plt.close('all') # auto-close()ing of figures upon backend switching is deprecated since 3.8
plt.switch_backend(backend)
with plt.rc_context(rcparams):
result = func(*args, **kwargs)
plt.switch_backend(original_backend)
if backend != original_backend:
plt.close('all')
plt.switch_backend(original_backend)
return result
return wrapper