From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 16 Oct 2010 03:49:22 +0000 (+0000)
Subject: Merged revisions 85562 via svnmerge from
X-Git-Tag: v3.1.3rc1~110
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e9633491ca3e48632b4b41fd7f85c72ddab5ceaa;p=python

Merged revisions 85562 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

........
  r85562 | benjamin.peterson | 2010-10-15 22:45:45 -0500 (Fri, 15 Oct 2010) | 1 line

  don't identify the toplevel namespace by name #9997
........
---

diff --git a/Lib/test/test_scope.py b/Lib/test/test_scope.py
index ef56b889f5..5f8768ac03 100644
--- a/Lib/test/test_scope.py
+++ b/Lib/test/test_scope.py
@@ -693,6 +693,14 @@ result2 = h()
         h = g()
         self.assertEqual(h(), 3)
 
+    def testTopIsNotSignificant(self):
+        # See #9997.
+        def top(a):
+            pass
+        def b():
+            global a
+
+
 
 def test_main():
     run_unittest(ScopeTests)
diff --git a/Misc/NEWS b/Misc/NEWS
index bd9822b0ec..95db8ed59f 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -13,6 +13,9 @@ Core and Builtins
 - Issue #10006: type.__abstractmethods__ now raises an AttributeError.  As a
   result metaclasses can now be ABCs (see #9533).
 
+- Issue #9997: Don't let the name "top" have special significance in scope
+  resolution.
+
 - Issue #9930: Remove bogus subtype check that was causing (e.g.)
   float.__rdiv__(2.0, 3) to return NotImplemented instead of the
   expected 1.5.
diff --git a/Python/symtable.c b/Python/symtable.c
index 0cbde7d9b4..ab52abfc63 100644
--- a/Python/symtable.c
+++ b/Python/symtable.c
@@ -923,7 +923,7 @@ symtable_enter_block(struct symtable *st, identifier name, _Py_block_ty block,
     st->st_cur = ste_new(st, name, block, ast, lineno);
     if (st->st_cur == NULL)
         return 0;
-    if (name == GET_IDENTIFIER(top))
+    if (block == ModuleBlock)
         st->st_global = st->st_cur->ste_symbols;
     if (prev) {
         if (PyList_Append(prev->ste_children,