Add top-level modules

Author: vyasr

tests/packages/importlib_editable/CMakeLists.txt

@@ -6,4 +6,8 @@ find_package(
   COMPONENTS Interpreter Development.Module
   REQUIRED)
 
+python_add_library(emod MODULE emod.c WITH_SOABI)
+install(TARGETS emod DESTINATION .)
+install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/pmod.py" DESTINATION .)
+
 add_subdirectory(pkg)

tests/packages/importlib_editable/emod.c

@@ -0,0 +1,25 @@
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+
+float square(float x) { return x * x; }
+
+static PyObject *square_wrapper(PyObject *self, PyObject *args) {
+  float input, result;
+  if (!PyArg_ParseTuple(args, "f", &input)) {
+    return NULL;
+  }
+  result = square(input);
+  return PyFloat_FromDouble(result);
+}
+
+static PyMethodDef emod_methods[] = {
+    {"square", square_wrapper, METH_VARARGS, "Square function"},
+    {NULL, NULL, 0, NULL}};
+
+static struct PyModuleDef emod_module = {PyModuleDef_HEAD_INIT, "emod",
+                                             NULL, -1, emod_methods};
+
+/* name here must match extension name, with PyInit_ prefix */
+PyMODINIT_FUNC PyInit_emod(void) {
+  return PyModule_Create(&emod_module);
+}

tests/packages/importlib_editable/pmod.py

@@ -0,0 +1,2 @@
+def square(x):
+    return x * x