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--- tech:inclure_des_appels_a_go_lang_dans_python [2026/04/18 16:14] – créée Jean-Baptiste
+++ tech:inclure_des_appels_a_go_lang_dans_python [2026/04/18 17:02] (Version actuelle) – Jean-Baptiste
@@ Ligne 1: / Ligne 1: @@
+<!DOCTYPE markdown>
+{{tag>Brouillon Dev Code Go Python}}
+# Inclure des appels à Go lang dans Python
+Voir :
+* https://fluhus.github.io/snopher/ et https://github.com/fluhus/snopher
+Voir aussi :
+* [[Executer du code Python avec Go lang]]
+## Tuto 1
+Source : https://dev.to/leapcell/how-to-call-go-code-in-python-accelerate-python-with-go-54if
+Linux and Mac
+~~~bash
+go build -buildmode=c-shared -o add.so add.go
+~~~
+windows
+~~~bash
+go build -buildmode=c-shared -o add.dll add.go
+~~~
+~~~bash
+go build -ldflags "-s -w" -buildmode=c-shared -o add.so add.go
+~~~
+`-s` indicates compression
+`-w` indicates removing debugging
+~~~python
+# Test calling code written in the GO language from Python
+# First, the GO code needs to be compiled into a dynamic link library
+from ctypes import cdll
+lib = cdll.LoadLibrary("./add.so")  # Specify the compiled dynamic link library file here
+# Call the Add function in the GO language
+result = lib.Add(100, 200)
+print("result ", result)
+# Call the PrintDll function in the GO language
+lib.PrintDll()
+~~~
+## Tuto 2
+Source : https://medium.com/analytics-vidhya/running-go-code-from-python-a65b3ae34a2d
+### Exemple 1
+`library.go`
+~~~go
+package main
+import (
+   "C"
+   "log"
+)
+//export helloWorld
+func helloWorld(){
+   log.Println("Hello World")
+}
+func main(){
+}
+~~~
+Compilation de la lib
+~~~bash
+go build -buildmode=c-shared -o library.so library.go
+~~~
+Execution depuis Python
+~~~python
+import ctypes
+library = ctypes.cdll.LoadLibrary('./library.so')
+hello_world = library.helloWorld
+hello_world()
+~~~
+### Exemple 2
+`library.go`
+~~~go
+//export hello
+func hello(namePtr *C.char){
+   name := C.GoString(namePtr)
+   log.Println("Hello", name)
+}
+~~~
+`app.py`
+~~~python
+hello = library.hello
+hello.argtypes = [ctypes.c_char_p]
+hello("everyone".encode('utf-8'))
+~~~
+`library.go`
+~~~go
+//export farewell
+func farewell() *C.char{
+   return C.CString("Bye!")
+}
+~~~
+FIXME