Implement simple importing of Python modules

lib/Inline/Python.pm6

@@ -54,6 +54,9 @@ sub py_init_perl6object()
 sub py_eval(Str, int32)
     returns Pointer { ... }
     native(&py_eval);
+sub py_import(Str)
+    { ... }
+    native(&py_import);
 sub py_instance_check(Pointer)
     returns int32 { ... }
     native(&py_instance_check);
@@ -394,6 +397,10 @@ multi method invoke(PythonParent $p6obj, Pointer $obj, Str $method, *@args) {
     return retval;
 }
 
+method import(Str $module) {
+    py_import($module);
+}
+
 method py_getattr(Pointer $obj, Str $name) {
     return py_getattr($obj, $name);
 }

pyhelper.c

@@ -54,6 +54,10 @@ PyObject *py_eval(const char* p, int type) {
     return py_result;
 }
 
+void py_import(char *module) {
+    PyImport_ImportModule(module);
+}
+
 int py_instance_check(PyObject *obj) {
     return ((obj->ob_type->tp_flags & Py_TPFLAGS_HEAPTYPE) || PyInstance_Check(obj));
 }