110 lines
2.4 KiB
Rust
110 lines
2.4 KiB
Rust
use pyo3::prelude::*;
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use pyo3::py_run;
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use pyo3::types::{IntoPyDict, PyList};
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use std::isize;
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mod common;
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#[pyclass]
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struct ClassWithProperties {
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num: i32,
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}
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#[pymethods]
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impl ClassWithProperties {
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fn get_num(&self) -> PyResult<i32> {
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Ok(self.num)
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}
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#[getter(DATA)]
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/// a getter for data
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fn get_data(&self) -> PyResult<i32> {
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Ok(self.num)
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}
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#[setter(DATA)]
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fn set_data(&mut self, value: i32) -> PyResult<()> {
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self.num = value;
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Ok(())
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}
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#[getter]
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/// a getter with a type un-wrapped by PyResult
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fn get_unwrapped(&self) -> i32 {
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self.num
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}
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#[setter]
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fn set_unwrapped(&mut self, value: i32) {
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self.num = value;
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}
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#[getter]
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fn get_data_list<'py>(&self, py: Python<'py>) -> &'py PyList {
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PyList::new(py, &[self.num])
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}
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}
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#[test]
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fn class_with_properties() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let inst = Py::new(py, ClassWithProperties { num: 10 }).unwrap();
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py_run!(py, inst, "assert inst.get_num() == 10");
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py_run!(py, inst, "assert inst.get_num() == inst.DATA");
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py_run!(py, inst, "inst.DATA = 20");
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py_run!(py, inst, "assert inst.get_num() == 20 == inst.DATA");
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py_run!(py, inst, "assert inst.get_num() == inst.unwrapped == 20");
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py_run!(py, inst, "inst.unwrapped = 42");
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py_run!(py, inst, "assert inst.get_num() == inst.unwrapped == 42");
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py_run!(py, inst, "assert inst.data_list == [42]");
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let d = [("C", py.get_type::<ClassWithProperties>())].into_py_dict(py);
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py.run(
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"assert C.DATA.__doc__ == 'a getter for data'",
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None,
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Some(d),
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)
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.unwrap();
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}
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#[pyclass]
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struct GetterSetter {
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#[pyo3(get, set)]
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num: i32,
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#[pyo3(get, set)]
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text: String,
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}
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#[pymethods]
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impl GetterSetter {
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fn get_num2(&self) -> PyResult<i32> {
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Ok(self.num)
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}
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}
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#[test]
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fn getter_setter_autogen() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let inst = Py::new(
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py,
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GetterSetter {
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num: 10,
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text: "Hello".to_string(),
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},
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)
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.unwrap();
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py_run!(py, inst, "assert inst.num == 10");
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py_run!(py, inst, "inst.num = 20; assert inst.num == 20");
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py_run!(
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py,
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inst,
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"assert inst.text == 'Hello'; inst.text = 'There'; assert inst.text == 'There'"
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);
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}
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