Canonicalize weights extracted for AFM fonts. #12991
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| @@ -422,6 +421,8 @@ def afmFontProperty(fontpath, font): | |||
| variant = 'normal' | |||
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| weight = font.get_weight().lower() | |||
| if weight not in weight_dict: | |||
| weight = 'normal' | |||
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Should the fallback issue some warning or log?
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Well, previously it didn't (although the fallback occurred in score_weight, but the idea is the same), and it's not as if the end user can do anything about that.
(To be fully honest it's not clear to me why we even bother trying to get font properties from AFM files as these only contain metrics but not outlines, so to visualize the pdf you'll need to have the actual font file (typically, .pfa/.pfb) as well; the only exception is for the "14 pdf core fonts" (helvetica, etc.) which must be embedded in each pdf viewer (and there we do still need the metrics to know the size of the glyphs for alignment purposes) but even then we could just hardcode that info in parsed form instead of reparsing them from matplotlib/mpl-data/fonts/pdfcorefonts/ every time...)
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PR Summary
Fixes the part of #12987 that I broke...
PR Checklist