From 672a67837f446d78892ef5ac05befbf7ea2de40e Mon Sep 17 00:00:00 2001
From: Nicolas <Nicolas@nonan.net>
Date: Fri, 3 Oct 2025 22:49:07 +0200
Subject: [PATCH] python c model skeleton added

---
 build.sh                                   |  2 +-
 pyproject.toml                             |  5 +++-
 src/coparun/coparun.c                      |  0
 src/coparun/coparun_module.c               | 31 ++++++++++++++++++++++
 src/{runner/runmem2.c => coparun/runmem.c} |  0
 src/coparun/runmem.h                       |  0
 test.sh                                    |  4 +--
 tests/test_compile.py                      |  2 +-
 8 files changed, 39 insertions(+), 5 deletions(-)
 create mode 100644 src/coparun/coparun.c
 create mode 100644 src/coparun/coparun_module.c
 rename src/{runner/runmem2.c => coparun/runmem.c} (100%)
 create mode 100644 src/coparun/runmem.h

diff --git a/build.sh b/build.sh
index 22740fb..e759040 100644
--- a/build.sh
+++ b/build.sh
@@ -9,5 +9,5 @@ gcc -c src/copapy/stencils.c -O2 -o src/copapy/obj/stencils_x86_64_O2.o
 gcc -c src/copapy/stencils.c -O3 -o src/copapy/obj/stencils_x86_64_O3.o
 
 mkdir bin -p
-gcc -Wall -Wextra -Wconversion -Wsign-conversion -Wshadow -Wstrict-overflow -Werror -g src/runner/runmem2.c -o bin/runmem2
+gcc -Wall -Wextra -Wconversion -Wsign-conversion -Wshadow -Wstrict-overflow -Werror -g src/coparun/coparun.c src/coparun/runmem.c -o bin/coparun
 #x86_64-w64-mingw32-gcc -Wall -Wextra -Wconversion -Wsign-conversion -Wshadow -Wstrict-overflow -Werror src/runner/runmem2.c -Wall -O3 -o bin/runmem2.exe
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index f8ee4b0..0b32bc6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,10 @@ build-backend = "setuptools.build_meta"
 where = ["src"]
 
 [tool.setuptools.package-data]
-copapy = ["*.c", "*.o"]
+copapy = ["*.o"]
+
+[tool.setuptools.ext_modules]
+coparun = { sources = ["src/coparun/coparun_module.c"] }
 
 [project.optional-dependencies]
 dev = [
diff --git a/src/coparun/coparun.c b/src/coparun/coparun.c
new file mode 100644
index 0000000..e69de29
diff --git a/src/coparun/coparun_module.c b/src/coparun/coparun_module.c
new file mode 100644
index 0000000..99f1535
--- /dev/null
+++ b/src/coparun/coparun_module.c
@@ -0,0 +1,31 @@
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+
+// A simple C function exposed to Python
+static PyObject* my_function(PyObject* self, PyObject* args) {
+    int a, b;
+    if (!PyArg_ParseTuple(args, "ii", &a, &b)) {
+        return NULL;  // Error if arguments aren't two integers
+    }
+    return PyLong_FromLong(a + b);  // Return sum as Python integer
+}
+
+// Method definitions
+static PyMethodDef MyMethods[] = {
+    {"add", my_function, METH_VARARGS, "Adds two numbers"},
+    {NULL, NULL, 0, NULL}  // Sentinel
+};
+
+// Module definition
+static struct PyModuleDef my_module = {
+    PyModuleDef_HEAD_INIT,
+    "my_module",  // Module name
+    NULL,         // Documentation
+    -1,           // Size of per-interpreter state (-1 for global)
+    MyMethods
+};
+
+// Module initialization function
+PyMODINIT_FUNC PyInit_my_module(void) {
+    return PyModule_Create(&my_module);
+}
\ No newline at end of file
diff --git a/src/runner/runmem2.c b/src/coparun/runmem.c
similarity index 100%
rename from src/runner/runmem2.c
rename to src/coparun/runmem.c
diff --git a/src/coparun/runmem.h b/src/coparun/runmem.h
new file mode 100644
index 0000000..e69de29
diff --git a/test.sh b/test.sh
index 6f742de..141de02 100644
--- a/test.sh
+++ b/test.sh
@@ -5,5 +5,5 @@ python tests/test_compile.py
 echo "Run..."
 echo "-----------------------------------"
 mkdir bin -p
-gcc -Wall -Wextra -Wconversion -Wsign-conversion -Wshadow -Wstrict-overflow -Werror -g src/runner/runmem2.c -o bin/runmem2
-./bin/runmem2 test.copapy
\ No newline at end of file
+gcc -Wall -Wextra -Wconversion -Wsign-conversion -Wshadow -Wstrict-overflow -Werror -g src/coparun/runmem.c src/coparun/coparun.c -o bin/coparun
+./bin/coparun test.copapy
\ No newline at end of file
diff --git a/tests/test_compile.py b/tests/test_compile.py
index fa99c8a..4d7541e 100644
--- a/tests/test_compile.py
+++ b/tests/test_compile.py
@@ -72,7 +72,7 @@ def test_compile():
 
     il.to_file('test.copapy')
 
-    result = run_command(['./bin/runmem2', 'test.copapy'])
+    result = run_command(['./bin/coparun', 'test.copapy'])
     print('* Output from runner:')
     print(result)