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Update matplotlib.rcParams.validate instead of overwriting #74

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Update matplotlib.rcParams.validate instead of overwriting #74

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46 changes: 19 additions & 27 deletions matplotlib_scalebar/scalebar.py
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Original file line number Diff line number Diff line change
Expand Up @@ -96,33 +96,25 @@ def _validate_legend_loc(loc):
return loc


defaultParams.update(
{
"scalebar.length_fraction": [0.2, validate_float],
"scalebar.width_fraction": [0.01, validate_float],
"scalebar.location": ["upper right", _validate_legend_loc],
"scalebar.pad": [0.2, validate_float],
"scalebar.border_pad": [0.1, validate_float],
"scalebar.sep": [5, validate_float],
"scalebar.frameon": [True, validate_bool],
"scalebar.color": ["k", validate_color],
"scalebar.box_color": ["w", validate_color],
"scalebar.box_alpha": [1.0, validate_float],
"scalebar.scale_loc": ["bottom", _validate_scale_loc],
"scalebar.label_loc": ["top", _validate_label_loc],
"scalebar.rotation": ["horizontal", _validate_rotation],
}
)


_all_deprecated = getattr(matplotlib, "_all_deprecated", {})


# Recreate the validate function
matplotlib.rcParams.validate = dict(
(key, converter)
for key, (default, converter) in defaultParams.items()
if key not in _all_deprecated
scalebar_params = {
"scalebar.length_fraction": [0.2, validate_float],
"scalebar.width_fraction": [0.01, validate_float],
"scalebar.location": ["upper right", _validate_legend_loc],
"scalebar.pad": [0.2, validate_float],
"scalebar.border_pad": [0.1, validate_float],
"scalebar.sep": [5, validate_float],
"scalebar.frameon": [True, validate_bool],
"scalebar.color": ["k", validate_color],
"scalebar.box_color": ["w", validate_color],
"scalebar.box_alpha": [1.0, validate_float],
"scalebar.scale_loc": ["bottom", _validate_scale_loc],
"scalebar.label_loc": ["top", _validate_label_loc],
"scalebar.rotation": ["horizontal", _validate_rotation],
}
defaultParams.update(scalebar_params)
# Update the validate function
matplotlib.rcParams.validate.update(
dict((key, converter) for key, (_, converter) in scalebar_params.items())
)

# Dimension lookup
Expand Down