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python.cc
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Sat, Nov 2, 23:54

python.cc
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#include "lm_common.hh"
#include "lm_python_bindings.hh"
#include <pybind11/eigen.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
namespace py = pybind11;
using namespace libmultiscale;
std::vector<std::string> fake_argv;
std::vector<char *> c_argv;
void loadModules() {
// auto sys = py::module::import("sys");
// auto argv = sys.attr("argv");
// fake_argv = py::cast<std::vector<std::string>>(argv);
// std::cout << "AAAA " << fake_argv.size() << std::endl;
// for (auto &&v : fake_argv) {
// std::cout << "AAAA " << &v[0] << std::endl;
// c_argv.push_back(&v[0]);
// }
// loadModules(c_argv.size(), c_argv.data());
loadModules(0, nullptr);
create_seg_fault = false;
}
extern std::string lm_release_info;
template <typename T2, typename T>
void ModuleProperty(py::module &m, const char *n, T &var) {
// setting a property
// import the builtins and get the "property" python class
auto property = py::module::import("builtins").attr("property");
m.attr(n) = property(py::cpp_function([&]() { return var; }),
py::cpp_function([&](T2 &a) { var = a; }));
}
PYBIND11_MODULE(pylibmultiscale, m) {
m.doc() = "LibMultiScale python module";
ModuleProperty<int>(m, "current_step", current_step);
ModuleProperty<int>(m, "lm_my_proc_id", lm_my_proc_id);
ModuleProperty<IntegrationSchemeStage>(m, "current_stage", current_stage);
ModuleProperty<UInt>(m, "spatial_dimension", spatial_dimension);
ModuleProperty<bool>(m, "print_trace", print_trace);
m.def("loadModules", &::loadModules,
"Load all the module dependencies of libmultiscale");
m.def("closeModules", &closeModules,
"close all the module dependencies of libmultiscale");
m.attr("release_info") = py::cast(lm_release_info);
makeBindings(m);
static py::exception<LibMultiScaleException> lm_exception(
m, "LibMultiScaleException");
py::register_exception_translator([](std::exception_ptr p) {
try {
if (p)
std::rethrow_exception(p);
} catch (LibMultiScaleException &e) {
if (print_trace) {
std::cerr << "AAAA " << print_trace << std::endl;
lm_exception(e.messageWithTrace().c_str());
} else
lm_exception(e.what());
}
});
}

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