//! Check that some magic methods edge cases error as expected. //! //! For convenience use #[pyo3(name = "__some_dunder__")] to create the methods, //! so that the function names can describe the edge case to be rejected. use pyo3::prelude::*; #[pyclass] struct MyClass {} // // Argument counts // #[pymethods] impl MyClass { #[pyo3(name = "__truediv__")] fn truediv_expects_one_argument(&self) -> PyResult<()> { Ok(()) } } #[pymethods] impl MyClass { #[pyo3(name = "__truediv__")] fn truediv_expects_one_argument_py(&self, _py: Python<'_>) -> PyResult<()> { Ok(()) } } // // Forbidden attributes // #[pymethods] impl MyClass { #[pyo3(name = "__bool__", signature = ())] fn signature_is_forbidden(&self) -> bool { true } } #[pymethods] impl MyClass { #[pyo3(name = "__bool__", text_signature = "")] fn text_signature_is_forbidden(&self) -> bool { true } } fn main() {}