Issue #28765: _sre.compile() now checks the type of groupindex and indexgroup

groupindex must a dictionary and indexgroup must be a tuple.

Previously, indexgroup was a list. Use a tuple to reduce the memory usage.

2 files changed, 2 insertions, 2 deletions

diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
index 420d83d..2cc3900 100644
--- a/Lib/sre_compile.py
+++ b/Lib/sre_compile.py
@@ -576,5 +576,5 @@ def compile(p, flags=0):
     return _sre.compile(
         pattern, flags | p.pattern.flags, code,
         p.pattern.groups-1,
-        groupindex, indexgroup
+        groupindex, tuple(indexgroup)
         )
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 84131d2..6896b4d 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -1506,7 +1506,7 @@ class ReTests(unittest.TestCase):
         long_overflow = 2**128
         self.assertRaises(TypeError, re.finditer, "a", {})
         with self.assertRaises(OverflowError):
-            _sre.compile("abc", 0, [long_overflow], 0, [], [])
+            _sre.compile("abc", 0, [long_overflow], 0, {}, ())
         with self.assertRaises(TypeError):
             _sre.compile({}, 0, [], 0, [], [])