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https://github.com/chai2010/advanced-go-programming-book.git
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70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
// Copyright © 2017 ChaiShushan <chaishushan{AT}gmail.com>.
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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package main
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/*
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// macOS:
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// python3-config --cflags
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// python3-config --ldflags
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#cgo darwin CFLAGS: -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -g
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#cgo darwin LDFLAGS: -L/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/config-3.6m-darwin -lpython3.6m -ldl -framework CoreFoundation
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// linux
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#cgo linux pkg-config: python3
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// windows
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// should generate libpython3.a from python3.lib
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#define Py_LIMITED_API
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#include <Python.h>
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static PyObject *
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spam_system(PyObject *self, PyObject *args) {
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const char *command;
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if (!PyArg_ParseTuple(args, "s", &command)) {
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return NULL;
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}
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int status = system(command);
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return PyLong_FromLong(status);
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}
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extern PyObject *sum(PyObject *self, PyObject *args);
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static PyMethodDef modMethods[] = {
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{"system", spam_system, METH_VARARGS, "Execute a shell command."},
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{"sum", sum, METH_VARARGS, "Execute a shell command."},
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{NULL, NULL, 0, NULL}
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};
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static PyObject* PyInit_gopkg_(void) {
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static struct PyModuleDef module = {
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PyModuleDef_HEAD_INIT, "gopkg", NULL, -1, modMethods,
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};
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return (void*)PyModule_Create(&module);
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}
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*/
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import "C"
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import (
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"fmt"
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)
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func main() {}
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// export SayHello
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func SayHello(name *C.char) {
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fmt.Printf("hello %s!\n", C.GoString(name))
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}
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//export sum
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func sum(self, args *C.PyObject) *C.PyObject {
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return C.PyLong_FromLongLong(9527) // TODO
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}
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//export PyInit_gopkg
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func PyInit_gopkg() *C.PyObject {
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return C.PyInit_gopkg_()
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}
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