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support for readonly buffers (#863) (#1466)

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This commit is contained in:
Sebastian Koslowski
2019-11-24 08:33:05 +01:00
committed by Wenzel Jakob
parent bd24155b8b
commit dc65d66171
6 changed files with 83 additions and 13 deletions
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26
tests/test_buffers.cpp
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@@ -166,4 +166,30 @@ TEST_SUBMODULE(buffers, m) {
.def_readwrite("value", (int32_t DerivedBuffer::*) &DerivedBuffer::value)
.def_buffer(&DerivedBuffer::get_buffer_info);
struct BufferReadOnly {
const uint8_t value = 0;
BufferReadOnly(uint8_t value): value(value) {}
py::buffer_info get_buffer_info() {
return py::buffer_info(&value, 1);
}
};
py::class_<BufferReadOnly>(m, "BufferReadOnly", py::buffer_protocol())
.def(py::init<uint8_t>())
.def_buffer(&BufferReadOnly::get_buffer_info);
struct BufferReadOnlySelect {
uint8_t value = 0;
bool readonly = false;
py::buffer_info get_buffer_info() {
return py::buffer_info(&value, 1, readonly);
}
};
py::class_<BufferReadOnlySelect>(m, "BufferReadOnlySelect", py::buffer_protocol())
.def(py::init<>())
.def_readwrite("value", &BufferReadOnlySelect::value)
.def_readwrite("readonly", &BufferReadOnlySelect::readonly)
.def_buffer(&BufferReadOnlySelect::get_buffer_info);
}