added python support for objects and optionals

src/intertypes/python.jl

@@ -11,6 +11,8 @@ function topy(intertype::InterType; forward_ref=true)
     Str => "str"
     Sym => "str"
     Binary => "str"
+    OptionalType(elemtype) => "$(topy(elemtype)) | None"
+    ObjectType(elemtype) => "dict[str, $(topy(elemtype))]"
     List(elemtype) => "list[$(topy(elemtype))]"
     Map(keytype, valuetype) => "OrderedDict[$(topy(keytype)), $(topy(valuetype))]"
     Record(_) => error("no native record type for python")

test/intertypes/InterTypes.jl

@@ -130,18 +130,29 @@ optionals_schema = JSONSchema.Schema(read("optionals_schema.json", String))
   generate_module(simpleast, PydanticTarget, dir)
   generate_module(model, PydanticTarget, dir)
   generate_module(wgraph, PydanticTarget, dir)
+  generate_module(objects, PydanticTarget, dir)
+  generate_module(optionals, PydanticTarget, dir)
 
   pushfirst!(PyList(pyimport("sys")."path"), Py(dir))
 
   pyast = pyimport("simpleast")
   pymodel = pyimport("model")
   pywgraph = pyimport("wgraph")
+  pyobjects = pyimport("objects")
+  pyoptionals = pyimport("optionals")
   pyjson = pyimport("json")
 
-  py_m = pymodel.Model.model_validate_json(Py(jsonwrite(m)))
-  py_m_str = string(py_m.model_dump_json())
+  function python_roundtrip(pythontype, val)
+    py_val = pythontype.model_validate_json(Py(jsonwrite(val)))
+    py_val_str = string(py_val.model_dump_json())
 
-  @test jsonread(py_m_str, Model) == m
+    jsonread(py_val_str, typeof(val)) == val
+  end
+
+  @test python_roundtrip(pymodel.Model, m)
+  @test python_roundtrip(pyobjects.Metadata, md)
+  @test python_roundtrip(pyoptionals.NullableInt, x)
+  @test python_roundtrip(pyoptionals.NullableInt, y)
 
   py_g = pywgraph.EDWeightedGraph.read_json(Py(jsonwrite(g)))
   py_g_str = string(py_g.to_json_str())