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Revert "[smart_holder] Keep parent alive when returning raw pointers (#4609)"
This reverts commit 99cf27a4f5
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@ -788,11 +788,7 @@ struct smart_holder_type_caster : smart_holder_type_caster_load<T>,
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static handle cast(T *src, return_value_policy policy, handle parent) {
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if (policy == return_value_policy::_clif_automatic) {
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if (parent) {
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policy = return_value_policy::reference_internal;
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} else {
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policy = return_value_policy::reference;
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}
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policy = return_value_policy::reference;
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}
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return cast(const_cast<T const *>(src), policy, parent); // Mutbl2Const
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}
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@ -2,37 +2,10 @@
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#include "pybind11_tests.h"
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#include <vector>
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namespace test_return_value_policy_override {
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struct some_type {};
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struct data_field {
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int value = -99;
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explicit data_field(int v) : value(v) {}
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};
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struct data_fields_holder {
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std::vector<data_field> vec;
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explicit data_fields_holder(std::size_t vec_size) {
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for (std::size_t i = 0; i < vec_size; i++) {
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vec.emplace_back(13 + static_cast<int>(i) * 11);
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}
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}
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data_field *vec_at(std::size_t index) {
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if (index >= vec.size()) {
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return nullptr;
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}
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return &vec[index];
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}
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const data_field *vec_at_const_ptr(std::size_t index) { return vec_at(index); }
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};
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// cp = copyable, mv = movable, 1 = yes, 0 = no
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struct type_cp1_mv1 {
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std::string mtxt;
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@ -183,8 +156,6 @@ std::unique_ptr<type_cp0_mv0> return_unique_pointer_nocopy_nomove() {
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} // namespace test_return_value_policy_override
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using test_return_value_policy_override::data_field;
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using test_return_value_policy_override::data_fields_holder;
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using test_return_value_policy_override::some_type;
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using test_return_value_policy_override::type_cp0_mv0;
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using test_return_value_policy_override::type_cp0_mv1;
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@ -234,8 +205,6 @@ struct type_caster<some_type> : type_caster_base<some_type> {
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} // namespace detail
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} // namespace pybind11
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(data_field)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(data_fields_holder)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(type_cp1_mv1)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(type_cp0_mv1)
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PYBIND11_SMART_HOLDER_TYPE_CASTERS(type_cp1_mv0)
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@ -270,21 +239,6 @@ TEST_SUBMODULE(return_value_policy_override, m) {
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},
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py::return_value_policy::_clif_automatic);
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py::classh<data_field>(m, "data_field").def_readwrite("value", &data_field::value);
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py::classh<data_fields_holder>(m, "data_fields_holder")
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.def(py::init<std::size_t>())
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.def("vec_at",
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[](const py::object &self_py, std::size_t index) {
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auto *self = py::cast<data_fields_holder *>(self_py);
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return py::cast(
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self->vec_at(index), py::return_value_policy::_clif_automatic, self_py);
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})
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.def("vec_at_const_ptr", [](const py::object &self_py, std::size_t index) {
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auto *self = py::cast<data_fields_holder *>(self_py);
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return py::cast(
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self->vec_at_const_ptr(index), py::return_value_policy::_clif_automatic, self_py);
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});
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py::classh<type_cp1_mv1>(m, "type_cp1_mv1")
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.def(py::init<std::string>())
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.def_readonly("mtxt", &type_cp1_mv1::mtxt);
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@ -17,21 +17,6 @@ def test_return_pointer():
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assert m.return_pointer_with_policy_clif_automatic() == "_clif_automatic"
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def test_persistent_holder():
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h = m.data_fields_holder(2)
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assert h.vec_at(0).value == 13
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assert h.vec_at(1).value == 24
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assert h.vec_at_const_ptr(0).value == 13
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assert h.vec_at_const_ptr(1).value == 24
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def test_temporary_holder():
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data_field = m.data_fields_holder(2).vec_at(1)
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assert data_field.value == 24
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data_field = m.data_fields_holder(2).vec_at_const_ptr(1)
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assert data_field.value == 24
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@pytest.mark.parametrize(
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("func", "expected"),
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[
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