list of primitive types

cython/capnp_wrapper.h

@@ -15,3 +15,7 @@ T ReaderFromBytes(char * dat, size_t sz){
   auto msg_reader = new capnp::FlatArrayMessageReader(kj::ArrayPtr<capnp::word>(buf.begin(), size));
   return msg_reader->getRoot<typename T::Reads>();
 }
+
+
+template<typename T>
+using List = typename capnp::List<T>::Reader;

cython/generator.py

@@ -8,6 +8,9 @@ from libc.stdint cimport *
 
 cdef extern from "capnp_wrapper.h":
     cdef T ReaderFromBytes[T](char* dat, size_t sz)
+    cdef cppclass List[T]:
+        T operator[](int)
+        int size()
 
 """
 
@@ -134,10 +137,29 @@ def gen_code(definition, node, name=None):
 
     field_tp = field.proto.slot.type._which_str()
 
-    if field_tp in ['list', 'text', 'data']:
+    if field_tp in ['text', 'data']:
       continue
+    elif field_tp == 'list':
+      print(field)
+      list_tp = field.proto.slot.type.list.elementType._which_str()
 
-    if field_tp == 'struct':
+      if list_tp in ['struct', 'enum']:
+        continue
+
+      if list_tp in ['text', 'data']:
+        continue
+
+      list_tp = TYPE_LOOKUP[list_tp]
+
+      pxd += 8 * " " + f"List[{list_tp}] get{name_cap}()\n"
+
+      pyx += 4 * " " + f"@property\n"
+      pyx += 4 * " " + f"def {name}(self):\n"
+      pyx += 8 * " " + f"cdef List[{list_tp}] l = self.reader.get{name_cap}()\n"
+      pyx += 8 * " " + f"return [l[i] for i in range(l.size())]\n\n"
+
+      print(list_tp)
+    elif field_tp == 'struct':
       if struct_full_name is None:
         continue
 

cython/test/test_struct.py

@@ -45,3 +45,12 @@ class TestStruct(unittest.TestCase):
 
     self.assertEqual(l_cython.which(), l.which())
     self.assertEqual(l_cython.thermal.cpu0, l.thermal.cpu0)
+
+
+  def test_list_of_primitive(self):
+    cs = car.CarState.new_message()
+    cs.canMonoTimes = [0, 1, 2, 3, 4]
+
+    b = cs.to_bytes()
+    cs_cython = cython_log.CarState(b)
+    self.assertEqual(cs_cython.canMonoTimes, list(cs.canMonoTimes))