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| author | Serhiy Storchaka <storchaka@gmail.com> | 2018-10-28 11:43:03 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-10-28 11:43:03 (GMT) |
| commit | 6015cc50bc38b9e920ce4986ee10658eaa14f561 (patch) | |
| tree | eeae07dc8d901b5295b10c11c98a96205415bade /Lib/test/test_ast.py | |
| parent | 913876d824d969f8c7431e8a9d4610a9a11a786e (diff) | |
| download | cpython-6015cc50bc38b9e920ce4986ee10658eaa14f561.zip cpython-6015cc50bc38b9e920ce4986ee10658eaa14f561.tar.gz cpython-6015cc50bc38b9e920ce4986ee10658eaa14f561.tar.bz2 | |
bpo-32892: Support subclasses of base types in isinstance checks for AST constants. (GH-9934)
Some projects (e.g. Chameleon) create ast.Str containing an instance
of the str subclass.
Diffstat (limited to 'Lib/test/test_ast.py')
| -rw-r--r-- | Lib/test/test_ast.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py index 10be02e..4bbdc3b 100644 --- a/Lib/test/test_ast.py +++ b/Lib/test/test_ast.py @@ -399,6 +399,10 @@ class AST_Tests(unittest.TestCase): self.assertFalse(isinstance(ast.Constant(), ast.NameConstant)) self.assertFalse(isinstance(ast.Constant(), ast.Ellipsis)) + class S(str): pass + self.assertTrue(isinstance(ast.Constant(S('42')), ast.Str)) + self.assertFalse(isinstance(ast.Constant(S('42')), ast.Num)) + def test_subclasses(self): class N(ast.Num): def __init__(self, *args, **kwargs): |