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#include <util/folder/path.h>
#include <util/generic/scope.h>
#include <util/generic/string.h>
#include <util/stream/file.h>
#include <util/stream/output.h>
#include <Python.h>
#include <marshal.h>
#include <cstdio>
#include <system_error>
struct TPyObjDeleter {
static void Destroy(PyObject* o) noexcept {
Py_XDECREF(o);
}
};
using TPyObject = THolder<PyObject, TPyObjDeleter>;
int main(int argc, char** argv) {
if (argc < 4) {
Cerr << "Usage: " << argv[0] << " SRC_PATH_X SRC OUT" << Endl;
return 1;
}
TString srcpath{argv[1]};
srcpath.pop_back();
const TFsPath inPath{argv[2]};
const char* outPath = argv[3];
Py_Initialize();
Y_SCOPE_EXIT() {
Py_Finalize();
};
TPyObject bytecode{Py_CompileString(
TFileInput{inPath}.ReadAll().c_str(),
srcpath.c_str(),
Py_file_input)};
if (!bytecode) {
Cerr << "Failed to compile " << outPath << Endl;
PyErr_Print();
return 1;
}
if (FILE* out = fopen(outPath, "wb")) {
PyMarshal_WriteObjectToFile(bytecode.Get(), out, Py_MARSHAL_VERSION);
fclose(out);
if (PyErr_Occurred()) {
Cerr << "Failed to marshal " << outPath << Endl;
PyErr_Print();
return 1;
}
} else {
Cerr << "Failed to write " << outPath << ": " << std::error_code{errno, std::system_category()}.message() << Endl;
return 1;
}
return 0;
}
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