supporting fontweight options specially bold ones

Chirag3841 · Chirag3841 · commit cae03023f7eb · 2026-04-19T09:37:56.000+05:30
diff --git a/lib/matplotlib/font_manager.py b/lib/matplotlib/font_manager.py
@@ -93,6 +93,9 @@
     'bold':       700,
     'heavy':      800,
     'extra bold': 800,
+    'extrabold':  800,
+    'superbold':  800,
+    'ultrabold':  800,
     'black':      900,
 }
 _weight_regexes = [
diff --git a/lib/matplotlib/tests/test_font_manager.py b/lib/matplotlib/tests/test_font_manager.py
@@ -427,6 +427,9 @@ def test_normalize_weights():
     assert _normalize_weight('bold') == 700
     assert _normalize_weight('heavy') == 800
     assert _normalize_weight('extra bold') == 800
+    assert _normalize_weight('extrabold') == 800
+    assert _normalize_weight('superbold') == 800
+    assert _normalize_weight('ultrabold') == 800
     assert _normalize_weight('black') == 900
     with pytest.raises(KeyError):
         _normalize_weight('invalid')
