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Print list of palettes on invalid palette choice #3535

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Print list of palettes on invalid palette choice #3535

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854640e
Print list of palettes on invalid palette choice
beyarkay Oct 21, 2023
f4e2ad8
Remove added newlines
beyarkay Oct 21, 2023
7a465e2
Paternalism
beyarkay Oct 21, 2023
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10 changes: 9 additions & 1 deletion seaborn/palettes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -234,7 +234,15 @@ def color_palette(palette=None, n_colors=None, desat=None, as_cmap=False):
# Perhaps a named matplotlib colormap?
palette = mpl_palette(palette, n_colors, as_cmap=as_cmap)
except (ValueError, KeyError): # Error class changed in mpl36
raise ValueError(f"{palette!r} is not a valid palette name")
valid_palettes = [
cm for cm in
QUAL_PALETTES + list(mpl.colormaps)
if cm != 'jet'
]
raise ValueError(
f"{palette!r} is not a valid palette name.\n"
f" Valid palettes include {valid_palettes}."
)

if desat is not None:
palette = [desaturate(c, desat) for c in palette]
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