Add emojicompat metadata

about_fonts.py

@@ -0,0 +1,28 @@
+"""Prints info about emoji fonts."""
+
+from fontTools import ttLib
+from pathlib import Path
+import sys
+
+
+def main():
+    font_files = sorted(p for p in (Path(__file__).parent / "fonts").iterdir() if p.suffix == ".ttf")
+    max_name_len = max(len(p.name) for p in font_files)
+
+    for font_file in font_files:
+        font = ttLib.TTFont(font_file)
+
+        font_type = []
+        if "CBDT" in font:
+            font_type.append("CBDT")
+        if "COLR" in font:
+            font_type.append("COLR")
+        if "meta" in font and "Emji" in font["meta"].data:
+            font_type.append("EmojiCompat")
+        font_type = ",".join(font_type)
+
+        print(f"{font_file.name:{max_name_len + 1}} {font_type}")
+
+
+if __name__ == '__main__':
+  main()

drop_flags.py

@@ -23,31 +23,25 @@ def main(argv):
         assert font_file.is_file(), font_file
         noflags_file = font_file.with_stem(font_file.stem + "-noflags")
 
-        font = ttLib.TTFont(font_file)
         if noflags_file.is_file():
-            print(font_file, f"({font_type}) already has", noflags_file, "; nop")
+            print(font_file, "already has", noflags_file, "; nop")
             continue
 
+        font = ttLib.TTFont(font_file)
+
         cps = codepoints(font)
         cps_without_flags = {cp for cp in cps if not is_regional_indicator(cp)}
 
-        font_type = []
-        if "CBDT" in font:
-            font_type.append("CBDT")
-        if "COLR" in font:
-            font_type.append("COLR")
-        font_type = "_".join(font_type)
-
         if cps == cps_without_flags:
-            print(font_file, f"({font_type}) has no regional indicators")
+            print(font_file, "has no regional indicators")
             continue
 
         subsetter = subset.Subsetter()
         subsetter.populate(unicodes=cps_without_flags)
         subsetter.subset(font)
 
         font.save(noflags_file)
-        print(font_file, f"({font_type}) =>" , noflags_file)
+        print(font_file, "=>" , noflags_file)
 
 
 if __name__ == '__main__':