[cantarell-fonts/import-greek-gsoc: 2/3] Add basic import script

[Nikolaus Waxweiler <nwaxweiler src gnome org>]

commit f1c7a161112520dad837ff00d279747defde9a2d
Author: Nikolaus Waxweiler <madigens gmail com>
Date:   Sun Dec 20 23:04:30 2020 +0000

    Add basic import script

 scripts/import-glyphs.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
---
diff --git a/scripts/import-glyphs.py b/scripts/import-glyphs.py
new file mode 100644
index 00000000..81725f84
--- /dev/null
+++ b/scripts/import-glyphs.py
@@ -0,0 +1,26 @@
+import argparse
+from pathlib import Path
+
+import ufoLib2
+
+parser = argparse.ArgumentParser()
+parser.add_argument("glyph_list", type=Path)
+parser.add_argument("source", type=ufoLib2.Font.open)
+parser.add_argument("target", type=ufoLib2.Font.open)
+args = parser.parse_args()
+
+glyph_list = {x.strip() for x in args.glyph_list.read_text().split("\n") if x}
+source_ufo = args.source
+target_ufo = args.target
+target_ufo_glyph_order = target_ufo.lib["public.glyphOrder"]
+target_ufo_glyph_order_set = set(target_ufo_glyph_order)
+
+for source_glyph in source_ufo:
+    if source_glyph.name not in glyph_list:
+        continue
+
+    target_ufo[source_glyph.name] = source_glyph
+    if source_glyph.name not in target_ufo_glyph_order_set:
+        target_ufo_glyph_order.append(source_glyph.name)
+
+target_ufo.save()