pyo3/tests/ui/invalid_proto_pymethods.rs

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//! 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() {}