From 16f964f41d57ccfa0281ef7bef664a67407dd8f8 Mon Sep 17 00:00:00 2001
From: saces <saces@c-base.org>
Date: Fri, 9 Jan 2026 18:52:31 +0100
Subject: [PATCH] Aller Anfang ist schwer.

---
 .gitignore                 |  2 ++
 Containerfile.debian       | 36 ++++++++++++++++++++++++++++++++++++
 libmxclient/go.mod         |  3 +++
 libmxclient/mxclientlib.go | 12 ++++++++++++
 pygomx/build_ffi.py        | 21 +++++++++++++++++++++
 5 files changed, 74 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 Containerfile.debian
 create mode 100644 libmxclient/go.mod
 create mode 100644 libmxclient/mxclientlib.go
 create mode 100644 pygomx/build_ffi.py

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..0fdbbf4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.venv
+compose.override.yaml
diff --git a/Containerfile.debian b/Containerfile.debian
new file mode 100644
index 0000000..c5cc596
--- /dev/null
+++ b/Containerfile.debian
@@ -0,0 +1,36 @@
+# syntax=docker/dockerfile:1
+
+ARG GOLANG_VERSION=1.25
+ARG DEBIAN_VERSION=trixie
+ARG PYTHON_VERSION=3.14
+
+FROM docker.io/library/golang:${GOLANG_VERSION}-${DEBIAN_VERSION} AS gobuilder
+
+RUN --mount=type=bind,source=./libmxclient,target=/build <<EOF
+cd /build
+CGO_ENABLED=1 GOARCH=${GOARCH} go build -buildmode=c-shared -o /pygomx-build/libmxclient.so .
+EOF
+
+FROM docker.io/library/python:${PYTHON_VERSION}-${DEBIAN_VERSION} AS pybuilder
+
+COPY --from=gobuilder /pygomx-build/libmxclient.so /usr/local/lib/libmxclient.so
+COPY --from=gobuilder /pygomx-build/libmxclient.h /usr/local/include/libmxclient.h
+
+RUN pip install cffi setuptools
+
+COPY pygomx /pygomx
+
+RUN <<EOF
+cd /pygomx
+python3 build_ffi.py
+ls -la
+EOF
+
+FROM docker.io/library/python:${PYTHON_VERSION}-${DEBIAN_VERSION}
+
+RUN pip install cffi
+
+COPY --from=gobuilder /pygomx-build/libmxclient.so /usr/local/lib/
+COPY --from=pybuilder /pygomx/_pygomx.cpython-314-x86_64-linux-gnu.so /usr/local/lib/python3.14/site-packages/
+RUN ldconfig
+
diff --git a/libmxclient/go.mod b/libmxclient/go.mod
new file mode 100644
index 0000000..fe3a8d6
--- /dev/null
+++ b/libmxclient/go.mod
@@ -0,0 +1,3 @@
+module mxclientlib
+
+go 1.23.5
diff --git a/libmxclient/mxclientlib.go b/libmxclient/mxclientlib.go
new file mode 100644
index 0000000..c821090
--- /dev/null
+++ b/libmxclient/mxclientlib.go
@@ -0,0 +1,12 @@
+package main
+
+import "C"
+
+//export hello
+func hello(name *C.char) *C.char {
+	goName := C.GoString(name)
+	result := "Hello " + goName
+	return C.CString(result)
+}
+
+func main() {}
diff --git a/pygomx/build_ffi.py b/pygomx/build_ffi.py
new file mode 100644
index 0000000..ff9e1d8
--- /dev/null
+++ b/pygomx/build_ffi.py
@@ -0,0 +1,21 @@
+#!/usr/bin/python
+from cffi import FFI
+
+ffibuilder = FFI()
+
+ffibuilder.set_source(
+    module_name="_pygomx",
+    source=""" //passed to the real C compiler
+        #include "libmxclient.h"
+    """,
+    libraries=["mxclient"],
+)
+
+ffibuilder.cdef(
+    csource="""
+    extern char* hello(char* p0);
+    """
+)
+
+if __name__ == "__main__":
+    ffibuilder.compile(verbose=True)