From 16c451d08656149c9f0a484548d5ab061107c264 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Calixte?= <remi.calixte@datadoghq.com>
Date: Thu, 6 Dec 2018 12:13:32 -0500
Subject: [PATCH] High Level Layer

---
 high_level_layer.go | 57 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 high_level_layer.go

diff --git a/high_level_layer.go b/high_level_layer.go
new file mode 100644
index 0000000..1df3e41
--- /dev/null
+++ b/high_level_layer.go
@@ -0,0 +1,57 @@
+package python3
+
+/*
+#cgo pkg-config: python3
+#include "Python.h"
+*/
+import "C"
+import (
+	"unsafe"
+)
+
+//Py_Main : https://docs.python.org/3/c-api/veryhigh.html?highlight=pycompilerflags#c.Py_Main
+func Py_Main(args []string) int {
+	argc := C.int(len(args))
+	argv := make([]*C.wchar_t, argc, argc)
+	for i, arg := range args {
+		carg := C.CString(arg)
+		defer C.free(unsafe.Pointer(carg))
+
+		warg := C.Py_DecodeLocale(carg, nil)
+		if warg == nil {
+			return -1
+		}
+		// Py_DecodeLocale requires a call to PyMem_RawFree to free the memory
+		defer C.PyMem_RawFree(unsafe.Pointer(warg))
+		argv[i] = warg
+	}
+
+	return int(C.Py_Main(argc, (**C.wchar_t)(unsafe.Pointer(&argv[0]))))
+}
+
+//PyRun_AnyFile : https://docs.python.org/3/c-api/veryhigh.html?highlight=pycompilerflags#c.PyRun_AnyFile
+func PyRun_AnyFile(filename string) int {
+	cfilename := C.CString(filename)
+	defer C.free(unsafe.Pointer(cfilename))
+
+	mode := C.CString("r")
+	defer C.free(unsafe.Pointer(mode))
+
+	cfile := C.fopen(cfilename, mode)
+	if cfile == nil {
+		return 1
+	}
+	defer C.fclose(cfile)
+
+	// C.PyRun_AnyFile is a macro, using C.PyRun_AnyFileFlags instead
+	return int(C.PyRun_AnyFileFlags(cfile, cfilename, nil))
+}
+
+//PyRun_SimpleString : https://docs.python.org/3/c-api/veryhigh.html?highlight=pycompilerflags#c.PyRun_SimpleString
+func PyRun_SimpleString(command string) int {
+	ccommand := C.CString(command)
+	defer C.free(unsafe.Pointer(ccommand))
+
+	// C.PyRun_SimpleString is a macro, using C.PyRun_SimpleStringFlags instead
+	return int(C.PyRun_SimpleStringFlags(ccommand, nil))
+}