Ensure table name is in error message stack

2021-03-15 12:04:36 +00:00 · 2021-03-15 12:04:36 +00:00 · e2a859d649
commit e2a859d649
parent 7fc2e37e41
1 changed files with 6 additions and 2 deletions
--- a/Lib/fontTools/varLib/merger.py
+++ b/Lib/fontTools/varLib/merger.py
@ -123,8 +123,12 @@ class Merger(object):
 		self.ttfs = master_ttfs  # For error reporting
 		for tag in tableTags:
 			if tag not in font: continue
+			try:
 				self.mergeThings(font[tag], [m[tag] if tag in m else None
 							     for m in master_ttfs])
+			except Exception as e:
+				e.args = e.args + (tag,)
+				raise

 #
 # Aligning merger