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Add gaurds to redirect C++'s stdout/stderr streams to python's stdout/stderr streams #68

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Merged
merged 2 commits into from
Aug 7, 2025
Merged

Add gaurds to redirect C++'s stdout/stderr streams to python's stdout/stderr streams #68

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Add gaurds to redirect C++'s stdout/stderr streams to python's stdout…
NoureldinYosri Aug 7, 2025
154ae03
typo
NoureldinYosri Aug 7, 2025
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7 changes: 5 additions & 2 deletions src/simplex.pybind.h
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
#ifndef _SIMPLEX_PYBIND_H
#define _SIMPLEX_PYBIND_H

#include <pybind11/iostream.h>
#include <pybind11/operators.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
Expand Down Expand Up @@ -63,7 +64,8 @@ void add_simplex_module(py::module& root) {
.def_readwrite("end_time_to_errors", &SimplexDecoder::end_time_to_errors)
.def_readonly("low_confidence_flag", &SimplexDecoder::low_confidence_flag)
.def("init_ilp", &SimplexDecoder::init_ilp)
.def("decode_to_errors", &SimplexDecoder::decode_to_errors, py::arg("detections"))
.def("decode_to_errors", &SimplexDecoder::decode_to_errors, py::arg("detections"),
py::call_guard<py::scoped_ostream_redirect, py::scoped_estream_redirect>())
.def(
"get_observables_from_errors",
[](SimplexDecoder& self, const std::vector<size_t>& predicted_errors) {
Expand All @@ -88,6 +90,7 @@ void add_simplex_module(py::module& root) {
}
return result;
},
py::arg("detections"));
py::arg("detections"),
py::call_guard<py::scoped_ostream_redirect, py::scoped_estream_redirect>());
}
#endif
11 changes: 11 additions & 0 deletions src/tesseract.pybind.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

#include "tesseract.pybind.h"

#include <pybind11/iostream.h>
#include <pybind11/pybind11.h>

#include "common.pybind.h"
Expand All @@ -23,8 +24,18 @@

PYBIND11_MODULE(tesseract_decoder, tesseract) {
py::module::import("stim");

add_common_module(tesseract);
add_utils_module(tesseract);
add_simplex_module(tesseract);
add_tesseract_module(tesseract);

// Adds a context manager to the python library that can be used to redirect C++'s stdout/stderr
// to python's stdout/stderr at run time like
// with tesseract_decoder.ostream_redirect(stdout=..., stderr=...):
// do_work()
// This is only needed if the C++ function's stdout/stderr is not redirected to python's
// stdout/stderr using the py::call_guard<py::scoped_ostream_redirect,
// py::scoped_estream_redirect>() statement.
py::add_ostream_redirect(tesseract, "ostream_redirect");
}
10 changes: 7 additions & 3 deletions src/tesseract.pybind.h
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@
#ifndef _TESSERACT_PYBIND_H
#define _TESSERACT_PYBIND_H

#include <pybind11/iostream.h>
#include <pybind11/operators.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
Expand Down Expand Up @@ -71,11 +72,13 @@ void add_tesseract_module(py::module& root) {
.def(py::init<TesseractConfig>(), py::arg("config"))
.def("decode_to_errors",
py::overload_cast<const std::vector<uint64_t>&>(&TesseractDecoder::decode_to_errors),
py::arg("detections"))
py::arg("detections"),
py::call_guard<py::scoped_ostream_redirect, py::scoped_estream_redirect>())
.def("decode_to_errors",
py::overload_cast<const std::vector<uint64_t>&, size_t, size_t>(
&TesseractDecoder::decode_to_errors),
py::arg("detections"), py::arg("det_order"), py::arg("det_beam"))
py::arg("detections"), py::arg("det_order"), py::arg("det_beam"),
py::call_guard<py::scoped_ostream_redirect, py::scoped_estream_redirect>())
.def(
"get_observables_from_errors",
[](TesseractDecoder& self, const std::vector<size_t>& predicted_errors) {
Expand All @@ -100,7 +103,8 @@ void add_tesseract_module(py::module& root) {
}
return result;
},
py::arg("detections"))
py::arg("detections"),
py::call_guard<py::scoped_ostream_redirect, py::scoped_estream_redirect>())
.def_readwrite("low_confidence_flag", &TesseractDecoder::low_confidence_flag)
.def_readwrite("predicted_errors_buffer", &TesseractDecoder::predicted_errors_buffer)
.def_readwrite("errors", &TesseractDecoder::errors);
Expand Down
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