From 0ba26d8f73a415a3e11c64d99a8a8b92fa93adb3 Mon Sep 17 00:00:00 2001
From: sethg <sethg@geographika.co.uk>
Date: Sun, 21 Feb 2021 16:43:36 +0100
Subject: [PATCH] Add property annotations

---
 Source/Modules/python.cxx | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/Source/Modules/python.cxx b/Source/Modules/python.cxx
index 8c537a527..179375fda 100644
--- a/Source/Modules/python.cxx
+++ b/Source/Modules/python.cxx
@@ -2394,6 +2394,23 @@ public:
     return (ret && funcanno) ? NewStringf(" -> \"%s\"", ret) : NewString("");
   }
 
+  /* ------------------------------------------------------------
+   * returnPropertyAnnotation()
+   *
+   * Helper function for constructing a property annotation
+   * return a empty string for Python 2.x
+   * ------------------------------------------------------------ */
+
+  String *returnPropertyAnnotation(Node *n) {
+    String *ret = 0;
+     ret = Getattr(n, "type");
+      if (ret) {
+          ret = SwigType_str(ret, 0);
+      }
+    return (ret && py3) ? NewStringf(": \"%s\"", ret)
+	: NewString("");
+  }
+
   /* ------------------------------------------------------------
    * emitFunctionShadowHelper()
    *
@@ -5042,7 +5059,7 @@ public:
       String *setname = Swig_name_set(NSPACE_TODO, mname);
       String *getname = Swig_name_get(NSPACE_TODO, mname);
       int assignable = is_assignable(n);
-      Printv(f_shadow, tab4, symname, " = property(", module, ".", getname, NIL);
+      Printv(f_shadow, tab4, symname, returnPropertyAnnotation(n), " = property(", module, ".", getname, NIL);
       if (assignable)
 	Printv(f_shadow, ", ", module, ".", setname, NIL);
       if (have_docstring(n))