270 lines
7 KiB
Rust
270 lines
7 KiB
Rust
#[cfg(not(Py_LIMITED_API))]
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use pyo3::buffer::PyBuffer;
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use pyo3::prelude::*;
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use pyo3::types::{self, PyCFunction};
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#[cfg(not(Py_LIMITED_API))]
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use pyo3::types::{PyDateTime, PyFunction};
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mod common;
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#[pyfunction(arg = "true")]
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fn optional_bool(arg: Option<bool>) -> String {
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format!("{:?}", arg)
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}
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#[test]
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fn test_optional_bool() {
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// Regression test for issue #932
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let gil = Python::acquire_gil();
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let py = gil.python();
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let f = wrap_pyfunction!(optional_bool)(py).unwrap();
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py_assert!(py, f, "f() == 'Some(true)'");
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py_assert!(py, f, "f(True) == 'Some(true)'");
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py_assert!(py, f, "f(False) == 'Some(false)'");
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py_assert!(py, f, "f(None) == 'None'");
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}
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#[cfg(not(Py_LIMITED_API))]
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#[pyfunction]
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fn buffer_inplace_add(py: Python, x: PyBuffer<i32>, y: PyBuffer<i32>) {
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let x = x.as_mut_slice(py).unwrap();
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let y = y.as_slice(py).unwrap();
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for (xi, yi) in x.iter().zip(y) {
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let xi_plus_yi = xi.get() + yi.get();
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xi.set(xi_plus_yi);
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}
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}
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#[cfg(not(Py_LIMITED_API))]
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#[test]
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fn test_buffer_add() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let f = wrap_pyfunction!(buffer_inplace_add)(py).unwrap();
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py_expect_exception!(
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py,
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f,
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r#"
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import array
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a = array.array("i", [0, 1, 2, 3])
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b = array.array("I", [0, 1, 2, 3])
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f(a, b)
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"#,
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PyBufferError
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);
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pyo3::py_run!(
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py,
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f,
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r#"
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import array
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a = array.array("i", [0, 1, 2, 3])
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b = array.array("i", [2, 3, 4, 5])
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f(a, b)
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assert a, array.array("i", [2, 4, 6, 8])
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"#
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);
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}
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#[cfg(not(Py_LIMITED_API))]
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#[pyfunction]
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fn function_with_pyfunction_arg(fun: &PyFunction) -> PyResult<&PyAny> {
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fun.call((), None)
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}
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#[pyfunction]
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fn function_with_pycfunction_arg(fun: &PyCFunction) -> PyResult<&PyAny> {
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fun.call((), None)
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}
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#[test]
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fn test_functions_with_function_args() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let py_cfunc_arg = wrap_pyfunction!(function_with_pycfunction_arg)(py).unwrap();
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let bool_to_string = wrap_pyfunction!(optional_bool)(py).unwrap();
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pyo3::py_run!(
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py,
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py_cfunc_arg
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bool_to_string,
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r#"
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assert py_cfunc_arg(bool_to_string) == "Some(true)"
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"#
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);
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#[cfg(not(Py_LIMITED_API))]
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{
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let py_func_arg = wrap_pyfunction!(function_with_pyfunction_arg)(py).unwrap();
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pyo3::py_run!(
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py,
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py_func_arg,
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r#"
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def foo(): return "bar"
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assert py_func_arg(foo) == "bar"
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"#
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);
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}
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}
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#[cfg(not(Py_LIMITED_API))]
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fn datetime_to_timestamp(dt: &PyAny) -> PyResult<i64> {
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let dt: &PyDateTime = dt.extract()?;
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let ts: f64 = dt.call_method0("timestamp")?.extract()?;
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Ok(ts as i64)
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}
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#[cfg(not(Py_LIMITED_API))]
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#[pyfunction]
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fn function_with_custom_conversion(
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#[pyo3(from_py_with = "datetime_to_timestamp")] timestamp: i64,
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) -> i64 {
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timestamp
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}
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#[cfg(not(Py_LIMITED_API))]
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#[test]
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fn test_function_with_custom_conversion() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let custom_conv_func = wrap_pyfunction!(function_with_custom_conversion)(py).unwrap();
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pyo3::py_run!(
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py,
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custom_conv_func,
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r#"
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import datetime
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dt = datetime.datetime.fromtimestamp(1612040400)
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assert custom_conv_func(dt) == 1612040400
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"#
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)
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}
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#[cfg(not(Py_LIMITED_API))]
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#[test]
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fn test_function_with_custom_conversion_error() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let custom_conv_func = wrap_pyfunction!(function_with_custom_conversion)(py).unwrap();
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py_expect_exception!(
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py,
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custom_conv_func,
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"custom_conv_func(['a'])",
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PyTypeError,
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"argument 'timestamp': 'list' object cannot be converted to 'PyDateTime'"
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);
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}
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#[pyfunction]
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fn conversion_error(str_arg: &str, int_arg: i64, tuple_arg: (&str, f64), option_arg: Option<i64>) {
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println!(
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"{:?} {:?} {:?} {:?}",
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str_arg, int_arg, tuple_arg, option_arg
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);
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}
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#[test]
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fn test_conversion_error() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let conversion_error = wrap_pyfunction!(conversion_error)(py).unwrap();
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py_expect_exception!(
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py,
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conversion_error,
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"conversion_error(None, None, None, None)",
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PyTypeError,
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"argument 'str_arg': 'NoneType' object cannot be converted to 'PyString'"
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);
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py_expect_exception!(
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py,
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conversion_error,
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"conversion_error(100, None, None, None)",
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PyTypeError,
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"argument 'str_arg': 'int' object cannot be converted to 'PyString'"
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);
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py_expect_exception!(
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py,
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conversion_error,
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"conversion_error('string1', 'string2', None, None)",
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PyTypeError,
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"argument 'int_arg': 'str' object cannot be interpreted as an integer"
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);
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py_expect_exception!(
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py,
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conversion_error,
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"conversion_error('string1', -100, 'string2', None)",
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PyTypeError,
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"argument 'tuple_arg': 'str' object cannot be converted to 'PyTuple'"
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);
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py_expect_exception!(
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py,
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conversion_error,
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"conversion_error('string1', -100, ('string2', 10.), 'string3')",
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PyTypeError,
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"argument 'option_arg': 'str' object cannot be interpreted as an integer"
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);
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}
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#[test]
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fn test_closure() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let f = |args: &types::PyTuple, _kwargs: Option<&types::PyDict>| -> PyResult<_> {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let res: Vec<_> = args
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.iter()
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.map(|elem| {
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if let Ok(i) = elem.extract::<i64>() {
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(i + 1).into_py(py)
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} else if let Ok(f) = elem.extract::<f64>() {
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(2. * f).into_py(py)
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} else if let Ok(mut s) = elem.extract::<String>() {
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s.push_str("-py");
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s.into_py(py)
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} else {
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panic!("unexpected argument type for {:?}", elem)
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}
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})
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.collect();
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Ok(res)
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};
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let closure_py = PyCFunction::new_closure(f, py).unwrap();
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py_assert!(py, closure_py, "closure_py(42) == [43]");
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py_assert!(
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py,
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closure_py,
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"closure_py(42, 3.14, 'foo') == [43, 6.28, 'foo-py']"
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);
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}
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#[test]
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fn test_closure_counter() {
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let gil = Python::acquire_gil();
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let py = gil.python();
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let counter = std::cell::RefCell::new(0);
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let counter_fn =
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move |_args: &types::PyTuple, _kwargs: Option<&types::PyDict>| -> PyResult<i32> {
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let mut counter = counter.borrow_mut();
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*counter += 1;
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Ok(*counter)
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};
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let counter_py = PyCFunction::new_closure(counter_fn, py).unwrap();
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py_assert!(py, counter_py, "counter_py() == 1");
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py_assert!(py, counter_py, "counter_py() == 2");
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py_assert!(py, counter_py, "counter_py() == 3");
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}
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