gh-160810: Fix symtable.Symbol repr under -X lazy_imports=all

Lib/symtable.py

@@ -386,9 +386,9 @@ def get_namespace(self):
 
 
 _flags = [('USE', USE)]
-_flags.extend(kv for kv in globals().items() if kv[0].startswith('DEF_'))
+_flags.extend(kv for kv in vars(_symtable).items() if kv[0].startswith('DEF_'))
 _scopes_names = ('FREE', 'LOCAL', 'GLOBAL_IMPLICIT', 'GLOBAL_EXPLICIT', 'CELL')
-_scopes_value_to_name = frozendict({globals()[n]: n for n in _scopes_names})
+_scopes_value_to_name = frozendict({getattr(_symtable, n): n for n in _scopes_names})
 
 
 def main(args):

Lib/test/lazy_imports_all_exclude.txt

@@ -33,7 +33,6 @@ test_profile
 test_profiling
 test_pyrepl
 test_subprocess
-test_symtable
 test_tools
 test_type_annotations
 test_unittest

Lib/test/test_symtable.py

@@ -9,6 +9,7 @@
 
 from test import support
 from test.support import os_helper
+from test.support.script_helper import assert_python_ok
 
 
 TEST_CODE = """
@@ -446,6 +447,15 @@ def test_symbol_repr(self):
         self.assertEqual(repr(class_A.lookup('x')),
                          "<symbol 'x': LOCAL, DEF_LOCAL|DEF_FREE_CLASS>")
 
+    @support.requires_subprocess()
+    def test_symbol_repr_lazy_imports(self):
+        # See https://github.com/python/cpython/issues/160810.
+        code = ("import symtable\n"
+                "top = symtable.symtable('x = 1', '?', 'exec')\n"
+                "print(repr(top.lookup('x')))\n")
+        _, out, _ = assert_python_ok('-X', 'lazy_imports=all', '-c', code)
+        self.assertEqual(out.strip(), b"<symbol 'x': LOCAL, DEF_LOCAL>")
+
     def test_symtable_entry_repr(self):
         expected = f"<symtable entry top({self.top.get_id()}), line {self.top.get_lineno()}>"
         self.assertEqual(repr(self.top._table), expected)

Misc/NEWS.d/next/Library/2026-10-29-04-59-41.gh-issue-160810.LpNp7z.rst

@@ -0,0 +1,2 @@
+Fix :func:`repr` of :class:`symtable.Symbol` raising :exc:`TypeError` when
+all imports are lazy (``-X lazy_imports=all``).