From 6ab8de5125c63381a06e5d207ca4289c7962acc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ricardo=20Monta=C3=B1ana=20G=C3=B3mez?=
 <rmontanana@gmail.com>
Date: Sat, 28 Oct 2023 17:42:18 +0200
Subject: [PATCH] Initial Commit

---
 .gitignore         | 39 +++++++++++++++++++++++++++++++++++++++
 CMakeLists.txt     | 15 +++++++++++++++
 src/CMakeLists.txt |  6 ++++++
 src/PyWrap.cc      | 32 ++++++++++++++++++++++++++++++++
 src/PyWrap.h       | 17 +++++++++++++++++
 src/main.cc        |  8 ++++++++
 6 files changed, 117 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 CMakeLists.txt
 create mode 100644 src/CMakeLists.txt
 create mode 100644 src/PyWrap.cc
 create mode 100644 src/PyWrap.h
 create mode 100644 src/main.cc

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c07ee27
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,39 @@
+# 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
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..ed98400
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,15 @@
+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 ${Python3_INCLUDE_DIRS}")
+
+add_subdirectory(src)
\ No newline at end of file
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..44420fe
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,6 @@
+
+include_directories(${Python3_INCLUDE_DIRS})
+
+add_executable(main main.cc PyWrap.cc)
+
+target_link_libraries(main ${Python3_LIBRARIES})
diff --git a/src/PyWrap.cc b/src/PyWrap.cc
new file mode 100644
index 0000000..e0104dc
--- /dev/null
+++ b/src/PyWrap.cc
@@ -0,0 +1,32 @@
+#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;
+    }
+}
\ No newline at end of file
diff --git a/src/PyWrap.h b/src/PyWrap.h
new file mode 100644
index 0000000..bcb346e
--- /dev/null
+++ b/src/PyWrap.h
@@ -0,0 +1,17 @@
+#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 */
\ No newline at end of file
diff --git a/src/main.cc b/src/main.cc
new file mode 100644
index 0000000..e310ed6
--- /dev/null
+++ b/src/main.cc
@@ -0,0 +1,8 @@
+#include "PyWrap.h"
+
+int main(int argc, char* argv[])
+{
+    auto wrap = pywrap::PyWrap();
+    wrap.doCommand("from stree import Stree; print(Stree().version())");
+    return 0;
+}
\ No newline at end of file