inline _is_digit, etc.

llohse · llohse · commit 3bccb55bc15a · 2026-01-29T17:46:41.000+01:00
diff --git a/lib/matplotlib/_mathtext.py b/lib/matplotlib/_mathtext.py
@@ -747,26 +747,6 @@ class DejaVuSansFonts(DejaVuFonts):
     }
 
 
-def _is_digit(codepoint):
-    return 0x30 <= codepoint <= 0x39
-
-
-def _is_latin_uppercase(codepoint):
-    return 0x41 <= codepoint <= 0x5a
-
-
-def _is_latin_lowercase(codepoint):
-    return 0x61 <= codepoint <= 0x7a
-
-
-def _is_greek_uppercase(codepoint):
-    return codepoint in greek_uppercase_domain
-
-
-def _is_greek_lowercase(codepoint):
-    return codepoint in greek_lowercase_domain
-
-
 class UnicodeMathFonts(TruetypeFonts):
     """
     A font handling class for unicode mathematics fonts.
@@ -819,6 +799,21 @@ def _get_glyph(self, fontname: str, font_class: str,
         # from here on: use the Math font
         new_fontname = 'mathfont'
 
+        def _is_digit(codepoint):
+            return 0x30 <= codepoint <= 0x39
+
+        def _is_latin_uppercase(codepoint):
+            return 0x41 <= codepoint <= 0x5a
+
+        def _is_latin_lowercase(codepoint):
+            return 0x61 <= codepoint <= 0x7a
+
+        def _is_greek_uppercase(codepoint):
+            return codepoint in greek_uppercase_domain
+
+        def _is_greek_lowercase(codepoint):
+            return codepoint in greek_lowercase_domain
+
         # check if character is digit, latin letter, or greek letter
         if _is_digit(uniindex):
             # handle digits
