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Add wai-aria property to the artist accessibility annotations.

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Lines changed: 30 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -162,6 +162,7 @@ def __init__(self):`
`162`	`162`	`self._clippath=None`
`163`	`163`	`self._clipon=True`
`164`	`164`	`self._label=''`
	`165`	`+self._aria=None`
`165`	`166`	`self._picker=None`
`166`	`167`	`self._rasterized=False`
`167`	`168`	`self._agg_filter=None`
`@@ -1053,6 +1054,35 @@ def set_in_layout(self, in_layout):`
`1053`	`1054`	`"""`
`1054`	`1055`	`self._in_layout=in_layout`
`1055`	`1056`
	`1057`	`+defget_aria(self):`
	`1058`	`+"""Return any ARIA properties assigned to the artist"""`
	`1059`	`+returndict(self._aria)`
	`1060`	`+`
	`1061`	`+defset_aria(self,aria):`
	`1062`	`+"""`
	`1063`	`+ Set ARIA properties to the artist.`
	`1064`	`+`
	`1065`	`+ A primary use of this method is to attach aria-label to the artist to`
	`1066`	`+ provide alt text to figures.`
	`1067`	`+`
	`1068`	`+ Parameters`
	`1069`	`+ ----------`
	`1070`	`+ aria : dict`
	`1071`	`+`
	`1072`	`+ """`
	`1073`	`+# TODO validation`
	`1074`	`+ifnotisinstance(aria,dict):`
	`1075`	`+ifariaisnotNone:`
	`1076`	`+raiseTypeError(`
	`1077`	`+f'aria must be dict or None, not{type(aria)}')`
	`1078`	`+self._aria=aria`
	`1079`	`+`
	`1080`	`+defupdate_aria(self,**aria):`
	`1081`	`+"""Update WAI-ARIA properties on the artist."""`
	`1082`	`+# TODO validation`
	`1083`	`+fork,vinaria.items():`
	`1084`	`+self._aria[k]=v`
	`1085`	`+`
`1056`	`1086`	`defget_label(self):`
`1057`	`1087`	`"""Return the label used for this artist in the legend."""`
`1058`	`1088`	`returnself._label`

Lines changed: 7 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -535,3 +535,10 @@ def test_format_cursor_data_BoundaryNorm():`
`535`	`535`	`assertimg.format_cursor_data(v)==label`
`536`	`536`
`537`	`537`	`plt.close()`
	`538`	`+`
	`539`	`+`
	`540`	`+deftest_set_aria():`
	`541`	`+art=martist.Artist()`
	`542`	`+withpytest.raises(TypeError,match='^aria must be dict'):`
	`543`	`+art.set_aria([])`
	`544`	`+art.set_aria(dict(label="artist alt text"))`

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