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Description
Summary
While checkingpyplot and correspondingmatplotlib methods, I noticed that there are several functions where we could usetyping.Literal to explicitly indicate the possible values and have them suggested by IDEs.
We also can create the corresponding TypeAlias onmatplotlib.typing when necessary.
Proposed fix
| Function | Parameter | Literal replacing str | PR |
|---|---|---|---|
| mpl.set_loglevel | level | "notset", "debug", "info", "warning", "error", "critical" | #30302 |
| plt.connect | s | "button_press_event", "button_release_event", ... | #30275 |
| plt.Axes.scatter | marker | See MarkerType behind | #30261 |
| mpl.rc | group | "animation", "axes", axes3d, "axes3d", "boxplot", ... | #30316 |
| mpl.RcParams.get_item /set_item | key | -- | #30316 |
| Type | Literal replacing str | PR |
|---|---|---|
| MarkerType | ".", ",", "o" | #30261 |
On MarkerType we can also add litterals for the tuple version that is not indicated for now:
tuple[int,Literal[1,2,3],int]