Canonicalize weights extracted for AFM fonts.

anntzer · anntzer · commit 74433887d001 · 2018-12-14T15:42:16.000+01:00
diff --git a/lib/matplotlib/font_manager.py b/lib/matplotlib/font_manager.py
@@ -422,6 +422,8 @@ def afmFontProperty(fontpath, font):
         variant = 'normal'
 
     weight = font.get_weight().lower()
+    if weight not in weight_dict:
+        weight = 'normal'
 
     #  Stretch can be absolute and relative
     #  Absolute stretches are: ultra-condensed, extra-condensed, condensed,
@@ -935,7 +937,7 @@ class FontManager(object):
     # Increment this version number whenever the font cache data
     # format or behavior has changed and requires a existing font
     # cache files to be rebuilt.
-    __version__ = 300
+    __version__ = 310
 
     def __init__(self, size=None, weight='normal'):
         self._version = self.__version__
