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Clarify error message for bad keyword arguments. - #22451
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QuLogic
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Feb 12, 2022
timhoffm
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timhoffm
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Feb 14, 2022
`plot([], [], foo=42)` previously emitted ``` 'Line2D' object has no property 'foo' ``` which refers to the Matplotlib-specific concept of "properties". It now instead emits ``` Line2D.set() got an unexpected keyword argument 'foo' ``` which is modeled after the standard error message for unknown keyword arguments. (To maximize backcompat, the implementation goes through a new _internal_update, which does *not* error when the same prop is passed under different aliases. This could be changed later, but is not the goal of this PR.)
timhoffm
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QuLogic
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yuzie007
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While `offset_transform` is introduced since `matplotlib>=3.6.0`, (matplotlib/matplotlib#21965), `transOffset` can still be used. Also, instead of `_internal_update` (matplotlib/matplotlib#22451), `update` can still be used.
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plot([], [], foo=42)previously emittedwhich refers to the Matplotlib-specific concept of "properties". It now
instead emits
which is modeled after the standard error message for unknown keyword
arguments.
(To maximize backcompat, the implementation goes through a new
_internal_update, which does not error when the same prop is passed
under different aliases. This could be changed later, but is not the
goal of this PR.)
(This was triggered by https://discourse.matplotlib.org/t/line2d-object-has-no-property-line-error/22585)
PR Summary
PR Checklist
Tests and Styling
pytestpasses).flake8-docstringsand runflake8 --docstring-convention=all).Documentation
doc/users/next_whats_new/(follow instructions in README.rst there).doc/api/next_api_changes/(follow instructions in README.rst there).