Issue #14965: Fix missing support for starred assignments in Tools/parser/unparse.py.

2 files changed, 11 insertions, 0 deletions

diff --git a/Tools/parser/test_unparse.py b/Tools/parser/test_unparse.py
index d457523b7c..2ac1ea670f 100644
--- a/Tools/parser/test_unparse.py
+++ b/Tools/parser/test_unparse.py
@@ -209,6 +209,13 @@ class UnparseTestCase(ASTTestCase):
     def test_try_except_finally(self):
         self.check_roundtrip(try_except_finally)
 
+    def test_starred_assignment(self):
+        self.check_roundtrip("a, *b, c = seq")
+        self.check_roundtrip("a, (*b, c) = seq")
+        self.check_roundtrip("a, *b[0], c = seq")
+        self.check_roundtrip("a, *(b, c) = seq")
+
+
 class DirectoryTestCase(ASTTestCase):
     """Test roundtrip behaviour on all files in Lib and Lib/test."""
 
diff --git a/Tools/parser/unparse.py b/Tools/parser/unparse.py
index e96ef5477b..d9fca975c5 100644
--- a/Tools/parser/unparse.py
+++ b/Tools/parser/unparse.py
@@ -472,6 +472,10 @@ class Unparser:
         self.dispatch(t.slice)
         self.write("]")
 
+    def _Starred(self, t):
+        self.write("*")
+        self.dispatch(t.value)
+
     # slice
     def _Ellipsis(self, t):
         self.write("...")