Initial Commit

.gitignore

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+# Prerequisites
+*.d
+
+# Compiled Object files
+*.slo
+*.lo
+*.o
+*.obj
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Compiled Dynamic libraries
+*.so
+*.dylib
+*.dll
+
+# Fortran module files
+*.mod
+*.smod
+
+# Compiled Static libraries
+*.lai
+*.la
+*.a
+*.lib
+
+# Executables
+*.exe
+*.out
+*.app
+**/build
+**/lcoverage
+.idea
+cmake-*
+.vscode
+**/CMakeFiles
+**/gcovr-report

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+project(testcpy)
+
+set( CMAKE_CXX_STANDARD 17)
+set( CMAKE_CXX_STANDARD_REQUIRED ON )
+
+find_package(Python3 3.11...3.11.9 COMPONENTS Interpreter Development REQUIRED)
+
+message("Python_FOUND:${Python3_FOUND}")
+message("Python_VERSION:${Python3_VERSION}")
+message("Python_Development_FOUND:${Python3_Development_FOUND}")
+message("Python_LIBRARIES:${Python3_LIBRARIES}")
+message("Python_INCLUDE_DIRS ${Python3_INCLUDE_DIRS}")
+
+add_subdirectory(src)

src/CMakeLists.txt

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+
+include_directories(${Python3_INCLUDE_DIRS})
+
+add_executable(main main.cc PyWrap.cc)
+
+target_link_libraries(main ${Python3_LIBRARIES})

src/PyWrap.cc

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+#define PY_SSIZE_T_CLEAN
+#include <stdexcept>
+#include "PyWrap.h"
+
+namespace pywrap {
+    void PyWrap::doCommand(const std::string& command)
+    {
+        auto status = initPython(command);
+        if (PyStatus_Exception(status)) {
+            throw std::runtime_error("Error initializing Python");
+        }
+        Py_RunMain();
+    }
+
+    PyStatus PyWrap::initPython(const std::string& command)
+    {
+        PyStatus status;
+
+        PyConfig config;
+        PyConfig_InitPythonConfig(&config);
+        config.isolated = 0;
+        wchar_t* commandCoded = Py_DecodeLocale(command.c_str(), NULL);
+        config.run_command = commandCoded;
+        status = PyConfig_Read(&config);
+        if (PyStatus_Exception(status)) {
+            throw std::runtime_error("Error reading config");
+        }
+        status = Py_InitializeFromConfig(&config);
+        PyConfig_Clear(&config);
+        return status;
+    }
+}

src/PyWrap.h

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+#ifndef PYWRAP_H
+#define PYWRAP_H
+#include <Python.h>
+#include <string>
+
+namespace pywrap {
+    class PyWrap {
+    public:
+        PyWrap() = default;
+        ~PyWrap() = default;
+        void doCommand(const std::string& command);
+    private:
+        PyStatus initPython(const std::string& command);
+
+    };
+} /* namespace python */
+#endif /* PYWRAP_H */

src/main.cc

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+#include "PyWrap.h"
+
+int main(int argc, char* argv[])
+{
+    auto wrap = pywrap::PyWrap();
+    wrap.doCommand("from stree import Stree; print(Stree().version())");
+    return 0;
+}