embed.cpp
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	#include <pybind11/embed.h>
	namespace py = pybind11;

	PYBIND11_EMBEDDED_MODULE(test_cmake_build, m) {
	m.def("add", [](int i, int j) { return i + j; });
	}

	int main(int argc, char *argv[]) {
	if (argc != 2)
	throw std::runtime_error("Expected test.py file as the first argument");
	auto test_py_file = argv[1];

	py::scoped_interpreter guard{};

	auto m = py::module::import("test_cmake_build");
	if (m.attr("add")(1, 2).cast<int>() != 3)
	throw std::runtime_error("embed.cpp failed");

	py::module::import("sys").attr("argv") = py::make_tuple("test.py", "embed.cpp");
	py::eval_file(test_py_file, py::globals());
	}