Return a valid color arg.
(s)
| 373 | |
| 374 | |
| 375 | def validate_color(s): |
| 376 | """Return a valid color arg.""" |
| 377 | if isinstance(s, str): |
| 378 | if s.lower() == 'none': |
| 379 | return 'none' |
| 380 | if len(s) == 6 or len(s) == 8: |
| 381 | stmp = '#' + s |
| 382 | if is_color_like(stmp): |
| 383 | return stmp |
| 384 | |
| 385 | if is_color_like(s): |
| 386 | return s |
| 387 | |
| 388 | # If it is still valid, it must be a tuple (as a string from matplotlibrc). |
| 389 | try: |
| 390 | color = ast.literal_eval(s) |
| 391 | except (SyntaxError, ValueError): |
| 392 | pass |
| 393 | else: |
| 394 | if is_color_like(color): |
| 395 | return color |
| 396 | |
| 397 | raise ValueError(f'{s!r} does not look like a color arg') |
| 398 | |
| 399 | |
| 400 | def _validate_color_or_None(s): |
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