From bbfa90177a9a9c9b696c3981889dfa8a35ee9169 Mon Sep 17 00:00:00 2001
From: James Westman <james@jwestman.net>
Date: Sat, 23 Jul 2022 20:35:28 -0500
Subject: [PATCH] WIP

---
 blueprintcompiler/gir.py             | 2 --
 blueprintcompiler/language/common.py | 5 ++++-
 blueprintcompiler/language/types.py  | 2 +-
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/blueprintcompiler/gir.py b/blueprintcompiler/gir.py
index 59d0236..29664de 100644
--- a/blueprintcompiler/gir.py
+++ b/blueprintcompiler/gir.py
@@ -320,8 +320,6 @@ class Interface(GirNode, GirType):
     def lookup_property(self, property: str):
         if prop := self.properties.get(property):
             return prop
-        elif self.is_partial:
-            return None
         else:
             raise CompileError(
                 f"Interface {self.full_name} does not have a property called {property}",
diff --git a/blueprintcompiler/language/common.py b/blueprintcompiler/language/common.py
index 8996f68..645600d 100644
--- a/blueprintcompiler/language/common.py
+++ b/blueprintcompiler/language/common.py
@@ -17,6 +17,7 @@
 #
 # SPDX-License-Identifier: LGPL-3.0-or-later
 
+import typing as T
 
 from .. import gir
 from ..ast_utils import AstNode, validate, docs
@@ -51,11 +52,13 @@ class ScopeVariable:
         return self._gir_class
 
     @property
-    def glib_type_name(self) -> str:
+    def glib_type_name(self) -> T.Optional[str]:
         if self._glib_type_name is not None:
             return self._glib_type_name
         elif self.gir_class:
             return self.gir_class.glib_type_name
+        else:
+            return None
 
     def emit_xml(self, xml: XmlEmitter):
         if f := self._xml_func:
diff --git a/blueprintcompiler/language/types.py b/blueprintcompiler/language/types.py
index 0dadb95..08a6626 100644
--- a/blueprintcompiler/language/types.py
+++ b/blueprintcompiler/language/types.py
@@ -55,7 +55,7 @@ class TypeName(AstNode):
             return self.root.gir.namespaces.get(self.tokens["namespace"] or "Gtk")
 
     @cached_property
-    def gir_type(self) -> T.Optional[gir.Class]:
+    def gir_type(self) -> gir.GirClass:
         if self.tokens["ignore_gir"]:
             return gir.PartialClass(self.tokens["class_name"])
         else: