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[3.9] bpo-41840: Report module-level globals as both local and global in the symtable module (GH-22391). (GH-22528)

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(cherry picked from commit fb0a4651f1)

Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
This commit is contained in:
Pablo Galindo 2020-10-03 21:23:03 +01:00 • committed by GitHub
parent e89253756c
commit 7b7aa94e51
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3 changed files with 35 additions and 9 deletions
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18
Lib/test/test_symtable.py
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@ -11,6 +11,8 @@ import sys
glob = 42
some_var = 12
some_non_assigned_global_var = 11
some_assigned_global_var = 11
class Mine:
instance_var = 24
@ -19,6 +21,8 @@ class Mine:
def spam(a, b, *var, **kw):
global bar
global some_assigned_global_var
some_assigned_global_var = 12
bar = 47
some_var = 10
x = 23
@ -81,14 +85,14 @@ class SymtableTest(unittest.TestCase):
def test_lineno(self):
self.assertEqual(self.top.get_lineno(), 0)
self.assertEqual(self.spam.get_lineno(), 12)
self.assertEqual(self.spam.get_lineno(), 14)
def test_function_info(self):
func = self.spam
self.assertEqual(sorted(func.get_parameters()), ["a", "b", "kw", "var"])
expected = ['a', 'b', 'internal', 'kw', 'other_internal', 'some_var', 'var', 'x']
self.assertEqual(sorted(func.get_locals()), expected)
self.assertEqual(sorted(func.get_globals()), ["bar", "glob"])
self.assertEqual(sorted(func.get_globals()), ["bar", "glob", "some_assigned_global_var"])
self.assertEqual(self.internal.get_frees(), ("x",))
def test_globals(self):
@ -99,6 +103,9 @@ class SymtableTest(unittest.TestCase):
self.assertFalse(self.internal.lookup("x").is_global())
self.assertFalse(self.Mine.lookup("instance_var").is_global())
self.assertTrue(self.spam.lookup("bar").is_global())
# Module-scope globals are both global and local
self.assertTrue(self.top.lookup("some_non_assigned_global_var").is_global())
self.assertTrue(self.top.lookup("some_assigned_global_var").is_global())
def test_nonlocal(self):
self.assertFalse(self.spam.lookup("some_var").is_nonlocal())
@ -109,6 +116,9 @@ class SymtableTest(unittest.TestCase):
def test_local(self):
self.assertTrue(self.spam.lookup("x").is_local())
self.assertFalse(self.spam.lookup("bar").is_local())
# Module-scope globals are both global and local
self.assertTrue(self.top.lookup("some_non_assigned_global_var").is_local())
self.assertTrue(self.top.lookup("some_assigned_global_var").is_local())
def test_free(self):
self.assertTrue(self.internal.lookup("x").is_free())
@ -227,6 +237,10 @@ class SymtableTest(unittest.TestCase):
top = symtable.symtable(code, "?", "exec")
self.assertIsNotNone(find_block(top, "\u017d"))
def test_symtable_repr(self):
self.assertEqual(str(self.top), "<SymbolTable for module ?>")
self.assertEqual(str(self.spam), "<Function SymbolTable for spam in ?>")
if __name__ == '__main__':
unittest.main()