diff options
| -rw-r--r-- | Lib/dataclasses.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_dataclasses.py | 4 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2021-10-28-22-58-14.bpo-45662.sJd7Ir.rst | 2 |
3 files changed, 7 insertions, 1 deletions
diff --git a/Lib/dataclasses.py b/Lib/dataclasses.py index b3a9194..fe4094b 100644 --- a/Lib/dataclasses.py +++ b/Lib/dataclasses.py @@ -229,7 +229,7 @@ class InitVar: self.type = type def __repr__(self): - if isinstance(self.type, type): + if isinstance(self.type, type) and not isinstance(self.type, GenericAlias): type_name = self.type.__name__ else: # typing objects, e.g. List[int] diff --git a/Lib/test/test_dataclasses.py b/Lib/test/test_dataclasses.py index bcd004f..47075df 100644 --- a/Lib/test/test_dataclasses.py +++ b/Lib/test/test_dataclasses.py @@ -1126,6 +1126,10 @@ class TestCase(unittest.TestCase): self.assertEqual(repr(InitVar[int]), 'dataclasses.InitVar[int]') self.assertEqual(repr(InitVar[List[int]]), 'dataclasses.InitVar[typing.List[int]]') + self.assertEqual(repr(InitVar[list[int]]), + 'dataclasses.InitVar[list[int]]') + self.assertEqual(repr(InitVar[int|str]), + 'dataclasses.InitVar[int | str]') def test_init_var_inheritance(self): # Note that this deliberately tests that a dataclass need not diff --git a/Misc/NEWS.d/next/Library/2021-10-28-22-58-14.bpo-45662.sJd7Ir.rst b/Misc/NEWS.d/next/Library/2021-10-28-22-58-14.bpo-45662.sJd7Ir.rst new file mode 100644 index 0000000..050b443 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2021-10-28-22-58-14.bpo-45662.sJd7Ir.rst @@ -0,0 +1,2 @@ +Fix the repr of :data:`dataclasses.InitVar` with a type alias to the +built-in class, e.g. ``InitVar[list[int]]``. |