add intial Python module structure

Author: OldUser101

client/lib.c client/lib/lib.cclient/lib.c renamed to client/lib/lib.c

@@ -0,0 +1,20 @@
+client_inc = include_directories('.', '../../include')
+
+libhopper = static_library(
+    'hopper',
+    'lib.c',
+    include_directories: client_inc,
+    pic: true,
+    install: true,
+)
+
+pkg = import('pkgconfig')
+
+pkg.generate(
+    libhopper,
+    name: 'hopper',
+    description: 'Hopper client library',
+    version: meson.project_version(),
+    subdirs: 'hopper',
+)
+

client/lib/meson.build

@@ -1,20 +1,2 @@
-client_inc = include_directories('.', '../include')
-
-libhopper = static_library(
-    'hopper',
-    'lib.c',
-    include_directories: client_inc,
-    pic: true,
-    install: true,
-)
-
-pkg = import('pkgconfig')
-
-pkg.generate(
-    libhopper,
-    name: 'hopper',
-    description: 'Hopper client library',
-    version: meson.project_version(),
-    subdirs: 'hopper',
-)
-
+subdir('lib')
+subdir('py')

client/meson.build

@@ -0,0 +1,66 @@
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+
+#include "hopper/hopper.h"
+
+// clang-format off
+struct _hopper_pipe {
+    PyObject_HEAD
+    PyObject *name;
+    PyObject *endpoint;
+    PyObject *hopper;
+    int fd;
+    int flags;
+};
+
+static PyTypeObject _py_hopper_pipe = {
+    .ob_base = PyVarObject_HEAD_INIT(NULL, 0)
+    .tp_name = "hopper.HopperPipe",
+    .tp_doc = PyDoc_STR("A object representing a Hopper pipe"),
+    .tp_basicsize = sizeof(struct _hopper_pipe),
+    .tp_itemsize = 0,
+    .tp_flags = Py_TPFLAGS_DEFAULT,
+    .tp_new = PyType_GenericNew,
+};
+// clang-format on
+
+static PyObject *hopper_open_pipe(PyObject *self, PyObject *args) {}
+static PyObject *hopper_close_pipe(PyObject *self, PyObject *args) {}
+static PyObject *hopper_read_pipe(PyObject *self, PyObject *args) {}
+static PyObject *hopper_write_pipe(PyObject *self, PyObject *args) {}
+
+static int hopper_module_exec(PyObject *m) {
+    if (PyType_Ready(&_py_hopper_pipe) < 0)
+        return -1;
+
+    if (PyModule_AddObjectRef(m, "HopperPipe", (PyObject *)&_py_hopper_pipe) <
+        0)
+        return -1;
+
+    return 0;
+}
+
+static PyMethodDef hopper_methods[] = {
+    {"open", hopper_open_pipe, METH_VARARGS, ""},
+    {"close", hopper_close_pipe, METH_VARARGS, ""},
+    {"read", hopper_read_pipe, METH_VARARGS, ""},
+    {"write", hopper_write_pipe, METH_VARARGS, ""},
+    {NULL, NULL, 0, NULL},
+};
+
+static PyModuleDef_Slot hopper_slots[] = {
+    {Py_mod_exec, (void *)hopper_module_exec},
+    {Py_mod_multiple_interpreters, Py_MOD_MULTIPLE_INTERPRETERS_NOT_SUPPORTED},
+    {0, NULL},
+};
+
+static struct PyModuleDef hoppermodule = {
+    .m_base = PyModuleDef_HEAD_INIT,
+    .m_name = "hopper",
+    .m_doc = NULL,
+    .m_methods = hopper_methods,
+    .m_slots = hopper_slots,
+};
+
+PyMODINIT_FUNC PyInit_hopper(void) { return PyModuleDef_Init(&hoppermodule); }
+

client/py/hoppermodule.c

@@ -0,0 +1,11 @@
+client_inc = include_directories('.', '../../include')
+
+py = import('python').find_installation('python3')
+
+py.extension_module(
+    'hopper',
+    'hoppermodule.c',
+    include_directories: client_inc,
+    install: true,
+)
+

client/py/meson.build

@@ -44,6 +44,8 @@
             ninja
             pkg-config
 
+            python313
+
             # one probably wants these too
             gdb
             valgrind

flake.nix

@@ -1,4 +1,4 @@
-{ stdenv, meson, ninja, pkg-config }:
+{ stdenv, meson, ninja, pkg-config, python313 }:
 
 stdenv.mkDerivation {
   name = "hopper";
@@ -9,5 +9,6 @@ stdenv.mkDerivation {
     meson
     ninja
     pkg-config
+    python313
   ];
 }