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Manually defining a class via attributes does not allow for passing kwargs #5406

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Manually defining a class via attributes does not allow for passing kwargs #5406

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35b16a8
Demonstrate that using the method of defining a class recommended on …
stuhood Oct 10, 2024
3cd1131
style: pre-commit fixes
pre-commit-ci[bot] Oct 10, 2024
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15 changes: 15 additions & 0 deletions tests/test_class.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -554,6 +554,21 @@ TEST_SUBMODULE(class_, m) {
});

test_class::pr4220_tripped_over_this::bind_empty0(m);

py::object parent_metaclass = py::reinterpret_borrow<py::object>((PyObject *) &PyType_Type);
py::dict attributes;

attributes["test"] = py::cpp_function(
[](py::object self [[maybe_unused]], py::object x, py::object y) {
py::print(x, y);
return 0;
},
py::arg("x"),
py::kw_only(),
py::arg("y"),
py::is_method(py::none()));

m.attr("KwOnlyMethod") = parent_metaclass("MwOnlyMethod", py::make_tuple(), attributes);
}

template <int N>
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4 changes: 4 additions & 0 deletions tests/test_class.py
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Original file line number Diff line number Diff line change
Expand Up @@ -501,3 +501,7 @@
m.Empty0().get_msg()
== "This is really only meant to exercise successful compilation."
)


def test_kw_only():
assert m.KwOnlyMethod().test("x", y="y") == 0

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 3.13 • ubuntu-20.04 • x64 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x7fc8dab05400>, 'x'; kwargs: y='y'

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 3.8 • ubuntu-20.04 • x64 -DPYBIND11_FINDPYTHON=ON -DCMAKE_CXX_FLAGS="-D_=1" 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x7fb7f2d3ba30>, 'x'; kwargs: y='y'

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 3.11 • ubuntu-latest • x64 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x7fe77adcf250>, 'x'; kwargs: y='y'

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 3.9 • ubuntu-20.04 • x64 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x7ff0fa1179a0>, 'x'; kwargs: y='y'

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 3.12 • ubuntu-20.04 • x64 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x7f59670c5ee0>, 'x'; kwargs: y='y'

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 pypy-3.10 • ubuntu-20.04 • x64 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x000000000451a870>, 'x'; kwargs: y='y'

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 graalpy-24.1 • ubuntu-20.04 • x64 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x55f5746>, 'x'; kwargs: y='y'

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 pypy-3.8 • ubuntu-20.04 • x64 -DPYBIND11_FINDPYTHON=ON 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x0000000004cc2b80>, 'x'; kwargs: y='y'

Check failure on line 507 in tests/test_class.py

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GitHub Actions / 🐍 pypy-3.9 • ubuntu-20.04 • x64 

test_kw_only

TypeError: (): incompatible function arguments. The following argument types are supported:
    1. (x: object, *, y: object, arg1: object) -> int

Invoked with: <importlib._bootstrap.MwOnlyMethod object at 0x0000000004750058>, 'x'; kwargs: y='y'
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