pyo3/tests/test_methods.rs

1562 lines
43 KiB
Rust

#![cfg(feature = "macros")]
use pyo3::prelude::*;
use pyo3::py_run;
use pyo3::types::{IntoPyDict, PyDict, PyList, PySet, PyString, PyTuple, PyType};
use pyo3::PyCell;
mod common;
#[pyclass]
struct InstanceMethod {
member: i32,
}
#[pymethods]
impl InstanceMethod {
/// Test method
fn method(&self) -> i32 {
self.member
}
// Checks that &Self works
fn add_other(&self, other: &Self) -> i32 {
self.member + other.member
}
}
#[test]
fn instance_method() {
Python::with_gil(|py| {
let obj = PyCell::new(py, InstanceMethod { member: 42 }).unwrap();
let obj_ref = obj.borrow();
assert_eq!(obj_ref.method(), 42);
py_assert!(py, obj, "obj.method() == 42");
py_assert!(py, obj, "obj.add_other(obj) == 84");
py_assert!(py, obj, "obj.method.__doc__ == 'Test method'");
});
}
#[pyclass]
struct InstanceMethodWithArgs {
member: i32,
}
#[pymethods]
impl InstanceMethodWithArgs {
fn method(&self, multiplier: i32) -> i32 {
self.member * multiplier
}
}
#[test]
fn instance_method_with_args() {
Python::with_gil(|py| {
let obj = PyCell::new(py, InstanceMethodWithArgs { member: 7 }).unwrap();
let obj_ref = obj.borrow();
assert_eq!(obj_ref.method(6), 42);
py_assert!(py, obj, "obj.method(3) == 21");
py_assert!(py, obj, "obj.method(multiplier=6) == 42");
});
}
#[pyclass]
struct ClassMethod {}
#[pymethods]
impl ClassMethod {
#[new]
fn new() -> Self {
ClassMethod {}
}
#[classmethod]
/// Test class method.
fn method(cls: &PyType) -> PyResult<String> {
Ok(format!("{}.method()!", cls.name()?))
}
}
#[test]
fn class_method() {
Python::with_gil(|py| {
let d = [("C", py.get_type::<ClassMethod>())].into_py_dict(py);
py_assert!(py, *d, "C.method() == 'ClassMethod.method()!'");
py_assert!(py, *d, "C().method() == 'ClassMethod.method()!'");
py_assert!(py, *d, "C.method.__doc__ == 'Test class method.'");
py_assert!(py, *d, "C().method.__doc__ == 'Test class method.'");
});
}
#[pyclass]
struct ClassMethodWithArgs {}
#[pymethods]
impl ClassMethodWithArgs {
#[classmethod]
fn method(cls: &PyType, input: &PyString) -> PyResult<String> {
Ok(format!("{}.method({})", cls.name()?, input))
}
}
#[test]
fn class_method_with_args() {
Python::with_gil(|py| {
let d = [("C", py.get_type::<ClassMethodWithArgs>())].into_py_dict(py);
py_assert!(
py,
*d,
"C.method('abc') == 'ClassMethodWithArgs.method(abc)'"
);
});
}
#[pyclass]
struct StaticMethod {}
#[pymethods]
impl StaticMethod {
#[new]
fn new() -> Self {
StaticMethod {}
}
#[staticmethod]
/// Test static method.
fn method(_py: Python<'_>) -> &'static str {
"StaticMethod.method()!"
}
}
#[test]
fn static_method() {
Python::with_gil(|py| {
assert_eq!(StaticMethod::method(py), "StaticMethod.method()!");
let d = [("C", py.get_type::<StaticMethod>())].into_py_dict(py);
py_assert!(py, *d, "C.method() == 'StaticMethod.method()!'");
py_assert!(py, *d, "C().method() == 'StaticMethod.method()!'");
py_assert!(py, *d, "C.method.__doc__ == 'Test static method.'");
py_assert!(py, *d, "C().method.__doc__ == 'Test static method.'");
});
}
#[pyclass]
struct StaticMethodWithArgs {}
#[pymethods]
impl StaticMethodWithArgs {
#[staticmethod]
fn method(_py: Python<'_>, input: i32) -> String {
format!("0x{:x}", input)
}
}
#[test]
fn static_method_with_args() {
Python::with_gil(|py| {
assert_eq!(StaticMethodWithArgs::method(py, 1234), "0x4d2");
let d = [("C", py.get_type::<StaticMethodWithArgs>())].into_py_dict(py);
py_assert!(py, *d, "C.method(1337) == '0x539'");
});
}
#[allow(deprecated)]
mod deprecated {
use super::*;
#[pyclass]
struct MethArgs {}
#[pymethods]
impl MethArgs {
#[args(test)]
fn get_optional(&self, test: Option<i32>) -> i32 {
test.unwrap_or(10)
}
fn get_optional2(&self, test: Option<i32>) -> Option<i32> {
test
}
#[args(test = "None")]
fn get_optional3(&self, test: Option<i32>) -> Option<i32> {
test
}
fn get_optional_positional(
&self,
_t1: Option<i32>,
t2: Option<i32>,
_t3: Option<i32>,
) -> Option<i32> {
t2
}
#[args(test = "10")]
fn get_default(&self, test: i32) -> i32 {
test
}
#[args("*", test = 10)]
fn get_kwarg(&self, test: i32) -> i32 {
test
}
#[args(args = "*", kwargs = "**")]
fn get_kwargs(&self, py: Python<'_>, args: &PyTuple, kwargs: Option<&PyDict>) -> PyObject {
[args.into(), kwargs.to_object(py)].to_object(py)
}
#[args(args = "*", kwargs = "**")]
fn get_pos_arg_kw(
&self,
py: Python<'_>,
a: i32,
args: &PyTuple,
kwargs: Option<&PyDict>,
) -> PyObject {
[a.to_object(py), args.into(), kwargs.to_object(py)].to_object(py)
}
#[args(a, b, "/")]
fn get_pos_only(&self, a: i32, b: i32) -> i32 {
a + b
}
#[args(a, "/", b)]
fn get_pos_only_and_pos(&self, a: i32, b: i32) -> i32 {
a + b
}
#[args(a, "/", b, c = 5)]
fn get_pos_only_and_pos_and_kw(&self, a: i32, b: i32, c: i32) -> i32 {
a + b + c
}
#[args(a, "/", "*", b)]
fn get_pos_only_and_kw_only(&self, a: i32, b: i32) -> i32 {
a + b
}
#[args(a, "/", "*", b = 3)]
fn get_pos_only_and_kw_only_with_default(&self, a: i32, b: i32) -> i32 {
a + b
}
#[args(a, "/", b, "*", c, d = 5)]
fn get_all_arg_types_together(&self, a: i32, b: i32, c: i32, d: i32) -> i32 {
a + b + c + d
}
#[args(a, "/", args = "*")]
fn get_pos_only_with_varargs(&self, a: i32, args: Vec<i32>) -> i32 {
a + args.iter().sum::<i32>()
}
#[args(a, "/", kwargs = "**")]
fn get_pos_only_with_kwargs(
&self,
py: Python<'_>,
a: i32,
kwargs: Option<&PyDict>,
) -> PyObject {
[a.to_object(py), kwargs.to_object(py)].to_object(py)
}
#[args("*", a = 2, b = 3)]
fn get_kwargs_only_with_defaults(&self, a: i32, b: i32) -> i32 {
a + b
}
#[args("*", a, b)]
fn get_kwargs_only(&self, a: i32, b: i32) -> i32 {
a + b
}
#[args("*", a = 1, b)]
fn get_kwargs_only_with_some_default(&self, a: i32, b: i32) -> i32 {
a + b
}
#[args(args = "*", a)]
fn get_args_and_required_keyword(
&self,
py: Python<'_>,
args: &PyTuple,
a: i32,
) -> PyObject {
(args, a).to_object(py)
}
#[args(a, b = 2, "*", c = 3)]
fn get_pos_arg_kw_sep1(&self, a: i32, b: i32, c: i32) -> i32 {
a + b + c
}
#[args(a, "*", b = 2, c = 3)]
fn get_pos_arg_kw_sep2(&self, a: i32, b: i32, c: i32) -> i32 {
a + b + c
}
#[args(kwargs = "**")]
fn get_pos_kw(&self, py: Python<'_>, a: i32, kwargs: Option<&PyDict>) -> PyObject {
[a.to_object(py), kwargs.to_object(py)].to_object(py)
}
// "args" can be anything that can be extracted from PyTuple
#[args(args = "*")]
fn args_as_vec(&self, args: Vec<i32>) -> i32 {
args.iter().sum()
}
}
#[test]
fn meth_args() {
Python::with_gil(|py| {
let inst = Py::new(py, MethArgs {}).unwrap();
py_run!(py, inst, "assert inst.get_optional() == 10");
py_run!(py, inst, "assert inst.get_optional(100) == 100");
py_run!(py, inst, "assert inst.get_optional2() == None");
py_run!(py, inst, "assert inst.get_optional2(100) == 100");
py_run!(py, inst, "assert inst.get_optional3() == None");
py_run!(py, inst, "assert inst.get_optional3(100) == 100");
py_run!(
py,
inst,
"assert inst.get_optional_positional(1, 2, 3) == 2"
);
py_run!(py, inst, "assert inst.get_optional_positional(1) == None");
py_run!(py, inst, "assert inst.get_default() == 10");
py_run!(py, inst, "assert inst.get_default(100) == 100");
py_run!(py, inst, "assert inst.get_kwarg() == 10");
py_expect_exception!(py, inst, "inst.get_kwarg(100)", PyTypeError);
py_run!(py, inst, "assert inst.get_kwarg(test=100) == 100");
py_run!(py, inst, "assert inst.get_kwargs() == [(), None]");
py_run!(py, inst, "assert inst.get_kwargs(1,2,3) == [(1,2,3), None]");
py_run!(
py,
inst,
"assert inst.get_kwargs(t=1,n=2) == [(), {'t': 1, 'n': 2}]"
);
py_run!(
py,
inst,
"assert inst.get_kwargs(1,2,3,t=1,n=2) == [(1,2,3), {'t': 1, 'n': 2}]"
);
py_run!(py, inst, "assert inst.get_pos_arg_kw(1) == [1, (), None]");
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw(1, 2, 3) == [1, (2, 3), None]"
);
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw(1, b=2) == [1, (), {'b': 2}]"
);
py_run!(py, inst, "assert inst.get_pos_arg_kw(a=1) == [1, (), None]");
py_expect_exception!(py, inst, "inst.get_pos_arg_kw()", PyTypeError);
py_expect_exception!(py, inst, "inst.get_pos_arg_kw(1, a=1)", PyTypeError);
py_expect_exception!(py, inst, "inst.get_pos_arg_kw(b=2)", PyTypeError);
py_run!(py, inst, "assert inst.get_pos_only(10, 11) == 21");
py_expect_exception!(py, inst, "inst.get_pos_only(10, b = 11)", PyTypeError);
py_expect_exception!(py, inst, "inst.get_pos_only(a = 10, b = 11)", PyTypeError);
py_run!(py, inst, "assert inst.get_pos_only_and_pos(10, 11) == 21");
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos(10, b = 11) == 21"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_pos(a = 10, b = 11)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos_and_kw(10, 11) == 26"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos_and_kw(10, b = 11) == 26"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos_and_kw(10, 11, c = 0) == 21"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos_and_kw(10, b = 11, c = 0) == 21"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_pos_and_kw(a = 10, b = 11)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_kw_only(10, b = 11) == 21"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_kw_only(10, 11)",
PyTypeError
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_kw_only(a = 10, b = 11)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_kw_only_with_default(10) == 13"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_kw_only_with_default(10, b = 11) == 21"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_kw_only_with_default(10, 11)",
PyTypeError
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_kw_only_with_default(a = 10, b = 11)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_all_arg_types_together(10, 10, c = 10) == 35"
);
py_run!(
py,
inst,
"assert inst.get_all_arg_types_together(10, 10, c = 10, d = 10) == 40"
);
py_run!(
py,
inst,
"assert inst.get_all_arg_types_together(10, b = 10, c = 10, d = 10) == 40"
);
py_expect_exception!(
py,
inst,
"inst.get_all_arg_types_together(10, 10, 10)",
PyTypeError
);
py_expect_exception!(
py,
inst,
"inst.get_all_arg_types_together(a = 10, b = 10, c = 10)",
PyTypeError
);
py_run!(py, inst, "assert inst.get_pos_only_with_varargs(10) == 10");
py_run!(
py,
inst,
"assert inst.get_pos_only_with_varargs(10, 10) == 20"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_with_varargs(10, 10, 10, 10, 10) == 50"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_with_varargs(a = 10)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_pos_only_with_kwargs(10) == [10, None]"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_with_kwargs(10, b = 10) == [10, {'b': 10}]"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_with_kwargs(10, b = 10, c = 10, d = 10, e = 10) == [10, {'b': 10, 'c': 10, 'd': 10, 'e': 10}]"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_with_kwargs(a = 10)",
PyTypeError
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_with_kwargs(a = 10, b = 10)",
PyTypeError
);
py_run!(py, inst, "assert inst.get_kwargs_only_with_defaults() == 5");
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_defaults(a = 8) == 11"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_defaults(b = 8) == 10"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_defaults(a = 1, b = 1) == 2"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_defaults(b = 1, a = 1) == 2"
);
py_run!(py, inst, "assert inst.get_kwargs_only(a = 1, b = 1) == 2");
py_run!(py, inst, "assert inst.get_kwargs_only(b = 1, a = 1) == 2");
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_some_default(a = 2, b = 1) == 3"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_some_default(b = 1) == 2"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_some_default(b = 1, a = 2) == 3"
);
py_expect_exception!(
py,
inst,
"inst.get_kwargs_only_with_some_default()",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_args_and_required_keyword(1, 2, a=3) == ((1, 2), 3)"
);
py_run!(
py,
inst,
"assert inst.get_args_and_required_keyword(a=1) == ((), 1)"
);
py_expect_exception!(
py,
inst,
"inst.get_args_and_required_keyword()",
PyTypeError
);
py_run!(py, inst, "assert inst.get_pos_arg_kw_sep1(1) == 6");
py_run!(py, inst, "assert inst.get_pos_arg_kw_sep1(1, 2) == 6");
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep1(1, 2, c=13) == 16"
);
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep1(a=1, b=2, c=13) == 16"
);
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep1(b=2, c=13, a=1) == 16"
);
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep1(c=13, b=2, a=1) == 16"
);
py_expect_exception!(py, inst, "inst.get_pos_arg_kw_sep1(1, 2, 3)", PyTypeError);
py_run!(py, inst, "assert inst.get_pos_arg_kw_sep2(1) == 6");
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep2(1, b=12, c=13) == 26"
);
py_expect_exception!(py, inst, "inst.get_pos_arg_kw_sep2(1, 2)", PyTypeError);
py_run!(py, inst, "assert inst.get_pos_kw(1, b=2) == [1, {'b': 2}]");
py_expect_exception!(py, inst, "inst.get_pos_kw(1,2)", PyTypeError);
py_run!(py, inst, "assert inst.args_as_vec(1,2,3) == 6");
});
}
}
#[pyclass]
struct MethSignature {}
#[pymethods]
impl MethSignature {
#[pyo3(signature = (test = None))]
fn get_optional(&self, test: Option<i32>) -> i32 {
test.unwrap_or(10)
}
#[pyo3(signature = (test = None))]
fn get_optional2(&self, test: Option<i32>) -> Option<i32> {
test
}
fn get_optional_positional(
&self,
_t1: Option<i32>,
t2: Option<i32>,
_t3: Option<i32>,
) -> Option<i32> {
t2
}
#[pyo3(signature = (test = 10))]
fn get_default(&self, test: i32) -> i32 {
test
}
#[pyo3(signature = (*, test = 10))]
fn get_kwarg(&self, test: i32) -> i32 {
test
}
#[pyo3(signature = (*args, **kwargs))]
fn get_kwargs(&self, py: Python<'_>, args: &PyTuple, kwargs: Option<&PyDict>) -> PyObject {
[args.into(), kwargs.to_object(py)].to_object(py)
}
#[pyo3(signature = (a, *args, **kwargs))]
fn get_pos_arg_kw(
&self,
py: Python<'_>,
a: i32,
args: &PyTuple,
kwargs: Option<&PyDict>,
) -> PyObject {
[a.to_object(py), args.into(), kwargs.to_object(py)].to_object(py)
}
#[pyo3(signature = (a, b, /))]
fn get_pos_only(&self, a: i32, b: i32) -> i32 {
a + b
}
#[pyo3(signature = (a, /, b))]
fn get_pos_only_and_pos(&self, a: i32, b: i32) -> i32 {
a + b
}
#[pyo3(signature = (a, /, b, c = 5))]
fn get_pos_only_and_pos_and_kw(&self, a: i32, b: i32, c: i32) -> i32 {
a + b + c
}
#[pyo3(signature = (a, /, *, b))]
fn get_pos_only_and_kw_only(&self, a: i32, b: i32) -> i32 {
a + b
}
#[pyo3(signature = (a, /, *, b = 3))]
fn get_pos_only_and_kw_only_with_default(&self, a: i32, b: i32) -> i32 {
a + b
}
#[pyo3(signature = (a, /, b, *, c, d = 5))]
fn get_all_arg_types_together(&self, a: i32, b: i32, c: i32, d: i32) -> i32 {
a + b + c + d
}
#[pyo3(signature = (a, /, *args))]
fn get_pos_only_with_varargs(&self, a: i32, args: Vec<i32>) -> i32 {
a + args.iter().sum::<i32>()
}
#[pyo3(signature = (a, /, **kwargs))]
fn get_pos_only_with_kwargs(
&self,
py: Python<'_>,
a: i32,
kwargs: Option<&PyDict>,
) -> PyObject {
[a.to_object(py), kwargs.to_object(py)].to_object(py)
}
#[pyo3(signature = (a=0, /, **kwargs))]
fn get_optional_pos_only_with_kwargs(
&self,
py: Python<'_>,
a: i32,
kwargs: Option<&PyDict>,
) -> PyObject {
[a.to_object(py), kwargs.to_object(py)].to_object(py)
}
#[pyo3(signature = (*, a = 2, b = 3))]
fn get_kwargs_only_with_defaults(&self, a: i32, b: i32) -> i32 {
a + b
}
#[pyo3(signature = (*, a, b))]
fn get_kwargs_only(&self, a: i32, b: i32) -> i32 {
a + b
}
#[pyo3(signature = (*, a = 1, b))]
fn get_kwargs_only_with_some_default(&self, a: i32, b: i32) -> i32 {
a + b
}
#[pyo3(signature = (*args, a))]
fn get_args_and_required_keyword(&self, py: Python<'_>, args: &PyTuple, a: i32) -> PyObject {
(args, a).to_object(py)
}
#[pyo3(signature = (a, b = 2, *, c = 3))]
fn get_pos_arg_kw_sep1(&self, a: i32, b: i32, c: i32) -> i32 {
a + b + c
}
#[pyo3(signature = (a, *, b = 2, c = 3))]
fn get_pos_arg_kw_sep2(&self, a: i32, b: i32, c: i32) -> i32 {
a + b + c
}
#[pyo3(signature = (a, **kwargs))]
fn get_pos_kw(&self, py: Python<'_>, a: i32, kwargs: Option<&PyDict>) -> PyObject {
[a.to_object(py), kwargs.to_object(py)].to_object(py)
}
// "args" can be anything that can be extracted from PyTuple
#[pyo3(signature = (*args))]
fn args_as_vec(&self, args: Vec<i32>) -> i32 {
args.iter().sum()
}
}
#[test]
fn meth_signature() {
Python::with_gil(|py| {
let inst = Py::new(py, MethSignature {}).unwrap();
py_run!(py, inst, "assert inst.get_optional() == 10");
py_run!(py, inst, "assert inst.get_optional(100) == 100");
py_run!(py, inst, "assert inst.get_optional2() == None");
py_run!(py, inst, "assert inst.get_optional2(100) == 100");
py_run!(
py,
inst,
"assert inst.get_optional_positional(1, 2, 3) == 2"
);
py_run!(py, inst, "assert inst.get_optional_positional(1) == None");
py_run!(py, inst, "assert inst.get_default() == 10");
py_run!(py, inst, "assert inst.get_default(100) == 100");
py_run!(py, inst, "assert inst.get_kwarg() == 10");
py_expect_exception!(py, inst, "inst.get_kwarg(100)", PyTypeError);
py_run!(py, inst, "assert inst.get_kwarg(test=100) == 100");
py_run!(py, inst, "assert inst.get_kwargs() == [(), None]");
py_run!(py, inst, "assert inst.get_kwargs(1,2,3) == [(1,2,3), None]");
py_run!(
py,
inst,
"assert inst.get_kwargs(t=1,n=2) == [(), {'t': 1, 'n': 2}]"
);
py_run!(
py,
inst,
"assert inst.get_kwargs(1,2,3,t=1,n=2) == [(1,2,3), {'t': 1, 'n': 2}]"
);
py_run!(py, inst, "assert inst.get_pos_arg_kw(1) == [1, (), None]");
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw(1, 2, 3) == [1, (2, 3), None]"
);
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw(1, b=2) == [1, (), {'b': 2}]"
);
py_run!(py, inst, "assert inst.get_pos_arg_kw(a=1) == [1, (), None]");
py_expect_exception!(py, inst, "inst.get_pos_arg_kw()", PyTypeError);
py_expect_exception!(py, inst, "inst.get_pos_arg_kw(1, a=1)", PyTypeError);
py_expect_exception!(py, inst, "inst.get_pos_arg_kw(b=2)", PyTypeError);
py_run!(py, inst, "assert inst.get_pos_only(10, 11) == 21");
py_expect_exception!(py, inst, "inst.get_pos_only(10, b = 11)", PyTypeError);
py_expect_exception!(py, inst, "inst.get_pos_only(a = 10, b = 11)", PyTypeError);
py_run!(py, inst, "assert inst.get_pos_only_and_pos(10, 11) == 21");
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos(10, b = 11) == 21"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_pos(a = 10, b = 11)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos_and_kw(10, 11) == 26"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos_and_kw(10, b = 11) == 26"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos_and_kw(10, 11, c = 0) == 21"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_pos_and_kw(10, b = 11, c = 0) == 21"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_pos_and_kw(a = 10, b = 11)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_kw_only(10, b = 11) == 21"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_kw_only(10, 11)",
PyTypeError
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_kw_only(a = 10, b = 11)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_kw_only_with_default(10) == 13"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_and_kw_only_with_default(10, b = 11) == 21"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_kw_only_with_default(10, 11)",
PyTypeError
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_and_kw_only_with_default(a = 10, b = 11)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_all_arg_types_together(10, 10, c = 10) == 35"
);
py_run!(
py,
inst,
"assert inst.get_all_arg_types_together(10, 10, c = 10, d = 10) == 40"
);
py_run!(
py,
inst,
"assert inst.get_all_arg_types_together(10, b = 10, c = 10, d = 10) == 40"
);
py_expect_exception!(
py,
inst,
"inst.get_all_arg_types_together(10, 10, 10)",
PyTypeError
);
py_expect_exception!(
py,
inst,
"inst.get_all_arg_types_together(a = 10, b = 10, c = 10)",
PyTypeError
);
py_run!(py, inst, "assert inst.get_pos_only_with_varargs(10) == 10");
py_run!(
py,
inst,
"assert inst.get_pos_only_with_varargs(10, 10) == 20"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_with_varargs(10, 10, 10, 10, 10) == 50"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_with_varargs(a = 10)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_pos_only_with_kwargs(10) == [10, None]"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_with_kwargs(10, b = 10) == [10, {'b': 10}]"
);
py_run!(
py,
inst,
"assert inst.get_pos_only_with_kwargs(10, b = 10, c = 10, d = 10, e = 10) == [10, {'b': 10, 'c': 10, 'd': 10, 'e': 10}]"
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_with_kwargs(a = 10)",
PyTypeError
);
py_expect_exception!(
py,
inst,
"inst.get_pos_only_with_kwargs(a = 10, b = 10)",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_optional_pos_only_with_kwargs() == [0, None]"
);
py_run!(
py,
inst,
"assert inst.get_optional_pos_only_with_kwargs(10) == [10, None]"
);
py_run!(
py,
inst,
"assert inst.get_optional_pos_only_with_kwargs(a=10) == [0, {'a': 10}]"
);
py_run!(py, inst, "assert inst.get_kwargs_only_with_defaults() == 5");
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_defaults(a = 8) == 11"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_defaults(b = 8) == 10"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_defaults(a = 1, b = 1) == 2"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_defaults(b = 1, a = 1) == 2"
);
py_run!(py, inst, "assert inst.get_kwargs_only(a = 1, b = 1) == 2");
py_run!(py, inst, "assert inst.get_kwargs_only(b = 1, a = 1) == 2");
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_some_default(a = 2, b = 1) == 3"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_some_default(b = 1) == 2"
);
py_run!(
py,
inst,
"assert inst.get_kwargs_only_with_some_default(b = 1, a = 2) == 3"
);
py_expect_exception!(
py,
inst,
"inst.get_kwargs_only_with_some_default()",
PyTypeError
);
py_run!(
py,
inst,
"assert inst.get_args_and_required_keyword(1, 2, a=3) == ((1, 2), 3)"
);
py_run!(
py,
inst,
"assert inst.get_args_and_required_keyword(a=1) == ((), 1)"
);
py_expect_exception!(
py,
inst,
"inst.get_args_and_required_keyword()",
PyTypeError
);
py_run!(py, inst, "assert inst.get_pos_arg_kw_sep1(1) == 6");
py_run!(py, inst, "assert inst.get_pos_arg_kw_sep1(1, 2) == 6");
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep1(1, 2, c=13) == 16"
);
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep1(a=1, b=2, c=13) == 16"
);
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep1(b=2, c=13, a=1) == 16"
);
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep1(c=13, b=2, a=1) == 16"
);
py_expect_exception!(py, inst, "inst.get_pos_arg_kw_sep1(1, 2, 3)", PyTypeError);
py_run!(py, inst, "assert inst.get_pos_arg_kw_sep2(1) == 6");
py_run!(
py,
inst,
"assert inst.get_pos_arg_kw_sep2(1, b=12, c=13) == 26"
);
py_expect_exception!(py, inst, "inst.get_pos_arg_kw_sep2(1, 2)", PyTypeError);
py_run!(py, inst, "assert inst.get_pos_kw(1, b=2) == [1, {'b': 2}]");
py_expect_exception!(py, inst, "inst.get_pos_kw(1,2)", PyTypeError);
py_run!(py, inst, "assert inst.args_as_vec(1,2,3) == 6");
});
}
#[pyclass]
/// A class with "documentation".
struct MethDocs {
x: i32,
}
#[pymethods]
impl MethDocs {
/// A method with "documentation" as well.
fn method(&self) -> i32 {
0
}
#[getter]
/// `int`: a very "important" member of 'this' instance.
fn get_x(&self) -> i32 {
self.x
}
}
#[test]
fn meth_doc() {
Python::with_gil(|py| {
let d = [("C", py.get_type::<MethDocs>())].into_py_dict(py);
py_assert!(py, *d, "C.__doc__ == 'A class with \"documentation\".'");
py_assert!(
py,
*d,
"C.method.__doc__ == 'A method with \"documentation\" as well.'"
);
py_assert!(
py,
*d,
"C.x.__doc__ == '`int`: a very \"important\" member of \\'this\\' instance.'"
);
});
}
#[pyclass]
struct MethodWithLifeTime {}
#[pymethods]
impl MethodWithLifeTime {
fn set_to_list<'py>(&self, py: Python<'py>, set: &'py PySet) -> PyResult<&'py PyList> {
let mut items = vec![];
for _ in 0..set.len() {
items.push(set.pop().unwrap());
}
let list = PyList::new(py, items);
list.sort()?;
Ok(list)
}
}
#[test]
fn method_with_lifetime() {
Python::with_gil(|py| {
let obj = PyCell::new(py, MethodWithLifeTime {}).unwrap();
py_run!(
py,
obj,
"assert obj.set_to_list(set((1, 2, 3))) == [1, 2, 3]"
);
});
}
#[pyclass]
struct MethodWithPyClassArg {
#[pyo3(get)]
value: i64,
}
#[pymethods]
impl MethodWithPyClassArg {
fn add(&self, other: &MethodWithPyClassArg) -> MethodWithPyClassArg {
MethodWithPyClassArg {
value: self.value + other.value,
}
}
fn add_pyref(&self, other: PyRef<'_, MethodWithPyClassArg>) -> MethodWithPyClassArg {
MethodWithPyClassArg {
value: self.value + other.value,
}
}
fn inplace_add(&self, other: &mut MethodWithPyClassArg) {
other.value += self.value;
}
fn inplace_add_pyref(&self, mut other: PyRefMut<'_, MethodWithPyClassArg>) {
other.value += self.value;
}
fn optional_add(&self, other: Option<&MethodWithPyClassArg>) -> MethodWithPyClassArg {
MethodWithPyClassArg {
value: self.value + other.map(|o| o.value).unwrap_or(10),
}
}
fn optional_inplace_add(&self, other: Option<&mut MethodWithPyClassArg>) {
if let Some(other) = other {
other.value += self.value;
}
}
}
#[test]
fn method_with_pyclassarg() {
Python::with_gil(|py| {
let obj1 = PyCell::new(py, MethodWithPyClassArg { value: 10 }).unwrap();
let obj2 = PyCell::new(py, MethodWithPyClassArg { value: 10 }).unwrap();
let d = [("obj1", obj1), ("obj2", obj2)].into_py_dict(py);
py_run!(py, *d, "obj = obj1.add(obj2); assert obj.value == 20");
py_run!(py, *d, "obj = obj1.add_pyref(obj2); assert obj.value == 20");
py_run!(py, *d, "obj = obj1.optional_add(); assert obj.value == 20");
py_run!(
py,
*d,
"obj = obj1.optional_add(obj2); assert obj.value == 20"
);
py_run!(py, *d, "obj1.inplace_add(obj2); assert obj.value == 20");
py_run!(
py,
*d,
"obj1.inplace_add_pyref(obj2); assert obj2.value == 30"
);
py_run!(
py,
*d,
"obj1.optional_inplace_add(); assert obj2.value == 30"
);
py_run!(
py,
*d,
"obj1.optional_inplace_add(obj2); assert obj2.value == 40"
);
});
}
#[pyclass]
#[cfg(unix)]
struct CfgStruct {}
#[pyclass]
#[cfg(not(unix))]
struct CfgStruct {}
#[pymethods]
#[cfg(unix)]
impl CfgStruct {
fn unix_method(&self) -> &str {
"unix"
}
#[cfg(not(unix))]
fn never_compiled_method(&self) {}
}
#[pymethods]
#[cfg(not(unix))]
impl CfgStruct {
fn not_unix_method(&self) -> &str {
"not unix"
}
#[cfg(unix)]
fn never_compiled_method(&self) {}
}
#[test]
fn test_cfg_attrs() {
Python::with_gil(|py| {
let inst = Py::new(py, CfgStruct {}).unwrap();
#[cfg(unix)]
{
py_assert!(py, inst, "inst.unix_method() == 'unix'");
py_assert!(py, inst, "not hasattr(inst, 'not_unix_method')");
}
#[cfg(not(unix))]
{
py_assert!(py, inst, "not hasattr(inst, 'unix_method')");
py_assert!(py, inst, "inst.not_unix_method() == 'not unix'");
}
py_assert!(py, inst, "not hasattr(inst, 'never_compiled_method')");
});
}
#[pyclass]
#[derive(Default)]
struct FromSequence {
#[pyo3(get)]
numbers: Vec<i64>,
}
#[pymethods]
impl FromSequence {
#[new]
fn new(seq: Option<&pyo3::types::PySequence>) -> PyResult<Self> {
if let Some(seq) = seq {
Ok(FromSequence {
numbers: seq.as_ref().extract::<Vec<_>>()?,
})
} else {
Ok(FromSequence::default())
}
}
}
#[test]
fn test_from_sequence() {
Python::with_gil(|py| {
let typeobj = py.get_type::<FromSequence>();
py_assert!(py, typeobj, "typeobj(range(0, 4)).numbers == [0, 1, 2, 3]");
});
}
#[pyclass]
struct r#RawIdents {
#[pyo3(get, set)]
r#type: PyObject,
r#subtype: PyObject,
r#subsubtype: PyObject,
}
#[pymethods]
impl r#RawIdents {
#[new]
pub fn r#new(
r#_py: Python<'_>,
r#type: PyObject,
r#subtype: PyObject,
r#subsubtype: PyObject,
) -> Self {
Self {
r#type,
r#subtype,
r#subsubtype,
}
}
#[getter(r#subtype)]
pub fn r#get_subtype(&self) -> PyObject {
self.r#subtype.clone()
}
#[setter(r#subtype)]
pub fn r#set_subtype(&mut self, r#subtype: PyObject) {
self.r#subtype = r#subtype;
}
#[getter]
pub fn r#get_subsubtype(&self) -> PyObject {
self.r#subsubtype.clone()
}
#[setter]
pub fn r#set_subsubtype(&mut self, r#subsubtype: PyObject) {
self.r#subsubtype = r#subsubtype;
}
pub fn r#__call__(&mut self, r#type: PyObject) {
self.r#type = r#type;
}
#[staticmethod]
pub fn r#static_method(r#type: PyObject) -> PyObject {
r#type
}
#[classmethod]
pub fn r#class_method(_: &PyType, r#type: PyObject) -> PyObject {
r#type
}
#[classattr]
pub fn r#class_attr_fn() -> i32 {
5
}
#[classattr]
const r#CLASS_ATTR_CONST: i32 = 6;
#[pyo3(signature = (r#struct = "foo"))]
fn method_with_keyword<'a>(&self, r#struct: &'a str) -> &'a str {
r#struct
}
}
#[test]
fn test_raw_idents() {
Python::with_gil(|py| {
let raw_idents_type = py.get_type::<r#RawIdents>();
assert_eq!(raw_idents_type.name().unwrap(), "RawIdents");
py_run!(
py,
raw_idents_type,
r#"
instance = raw_idents_type(type=None, subtype=5, subsubtype="foo")
assert instance.type is None
assert instance.subtype == 5
assert instance.subsubtype == "foo"
instance.type = 1
instance.subtype = 2
instance.subsubtype = 3
assert instance.type == 1
assert instance.subtype == 2
assert instance.subsubtype == 3
assert raw_idents_type.static_method(type=30) == 30
assert instance.class_method(type=40) == 40
instance(type=50)
assert instance.type == 50
assert raw_idents_type.class_attr_fn == 5
assert raw_idents_type.CLASS_ATTR_CONST == 6
assert instance.method_with_keyword() == "foo"
assert instance.method_with_keyword("bar") == "bar"
assert instance.method_with_keyword(struct="baz") == "baz"
"#
);
})
}
// Regression test for issue 1505 - Python argument not detected correctly when inside a macro.
#[pyclass]
struct Issue1505 {}
macro_rules! pymethods {
(
#[pymethods]
impl $ty: ty {
fn $fn:ident (&self, $arg:ident : $arg_ty:ty) {}
}
) => {
#[pymethods]
impl $ty {
fn $fn(&self, $arg: $arg_ty) {}
}
};
}
pymethods!(
#[pymethods]
impl Issue1505 {
fn issue_1505(&self, _py: Python<'_>) {}
}
);
// Regression test for issue 1506 - incorrect macro hygiene.
// By applying the `#[pymethods]` attribute inside a macro_rules! macro, this separates the macro
// call scope from the scope of the impl block. For this to work our macros must be careful to not
// cheat hygiene!
#[pyclass]
struct Issue1506 {}
macro_rules! issue_1506 {
(#[pymethods] $($body:tt)*) => {
#[pymethods]
$($body)*
};
}
issue_1506!(
#[pymethods]
impl Issue1506 {
fn issue_1506(
&self,
_py: Python<'_>,
_arg: &PyAny,
_args: &PyTuple,
_kwargs: Option<&PyDict>,
) {
}
#[new]
fn issue_1506_new(
_py: Python<'_>,
_arg: &PyAny,
_args: &PyTuple,
_kwargs: Option<&PyDict>,
) -> Self {
Issue1506 {}
}
#[getter("foo")]
fn issue_1506_getter(&self, _py: Python<'_>) -> i32 {
5
}
#[setter("foo")]
fn issue_1506_setter(&self, _py: Python<'_>, _value: i32) {}
#[staticmethod]
fn issue_1506_static(
_py: Python<'_>,
_arg: &PyAny,
_args: &PyTuple,
_kwargs: Option<&PyDict>,
) {
}
#[classmethod]
fn issue_1506_class(
_cls: &PyType,
_py: Python<'_>,
_arg: &PyAny,
_args: &PyTuple,
_kwargs: Option<&PyDict>,
) {
}
}
);
#[pyclass]
struct Issue1696 {}
pymethods!(
#[pymethods]
impl Issue1696 {
fn issue_1696(&self, _x: &InstanceMethod) {}
}
);
#[test]
fn test_option_pyclass_arg() {
// Option<&PyClass> argument with a default set in a signature regressed to a compile
// error in PyO3 0.17.0 - this test it continues to be accepted.
#[pyclass]
struct SomePyClass {}
#[pyfunction(signature = (arg=None))]
fn option_class_arg(arg: Option<&SomePyClass>) -> Option<SomePyClass> {
arg.map(|_| SomePyClass {})
}
Python::with_gil(|py| {
let f = wrap_pyfunction!(option_class_arg, py).unwrap();
assert!(f.call0().unwrap().is_none());
let obj = Py::new(py, SomePyClass {}).unwrap();
assert!(f
.call1((obj,))
.unwrap()
.extract::<Py<SomePyClass>>()
.is_ok());
})
}
#[test]
fn test_issue_2988() {
#[pyfunction]
#[pyo3(signature = (
_data = vec![],
_data2 = vec![],
))]
pub fn _foo(
_data: Vec<i32>,
// The from_py_with here looks a little odd, we just need some way
// to encourage the macro to expand the from_py_with default path too
#[pyo3(from_py_with = "PyAny::extract")] _data2: Vec<i32>,
) {
}
}