Bugfix #109 (part 3): OASIS/GDS writer fixed + unit test added.

src/db/db/dbGDS2WriterBase.cc

@@ -831,15 +831,8 @@ GDS2WriterBase::write_properties (const db::Layout &layout, db::properties_id_ty
     const tl::Variant &name = layout.properties_repository ().prop_name (p->first);
 
     long attr = -1;
-    if (name.is_long ()) {
+    if (name.can_convert_to_long ()) {
       attr = name.to_long ();
-    } else if (name.is_a_string ()) {
-      //  string names representing a number are converted to numeric property names
-      tl::Extractor ex (name.to_string ());
-      long a = 0;
-      if (ex.try_read (a) && ex.at_end ()) {
-        attr = a;
-      }
     }
 
     if (attr >= 0 && attr < 65535) {

src/db/db/dbOASISWriter.cc

@@ -55,7 +55,9 @@ make_gds_property (const tl::Variant &name)
 {
   //  We write S_GDS_PROPERTY properties, because that is the only way to write properties
   //  with numerical keys
-  return (name.is_long () && (name.to_long () < 0x8000 || name.to_long () >= 0)) ||
+  return (name.is_longlong () && name.to_longlong () < 0x8000 && name.to_longlong () >= 0) ||
+         (name.is_ulonglong () && name.to_ulonglong () < 0x8000) ||
+         (name.is_long () && name.to_long () < 0x8000 && name.to_long () >= 0) ||
          (name.is_ulong () && name.to_ulong () < 0x8000);
 }
 

testdata/python/dbLayoutTest.py

@@ -19,6 +19,7 @@
 import pya
 import unittest
 import sys
+import os
 
 class DBLayoutTest(unittest.TestCase):
 
@@ -1104,6 +1105,53 @@ class DBLayoutTest(unittest.TestCase):
 
     ly._destroy()
 
+  # Bug #109
+  def test_bug109(self):
+
+    testtmp = os.getenv("TESTTMP_WITH_NAME", os.getenv("TESTTMP", "."))
+    
+    file_gds = os.path.join(testtmp, "bug109.gds")
+    file_oas = os.path.join(testtmp, "bug109.oas")
+
+    ly = pya.Layout()
+    top = ly.create_cell("TOP")
+    l1 = ly.layer(1, 0)
+    shape = top.shapes(l1).insert(pya.Box(0, 10, 20, 30))
+    shape.set_property(2, "hello, world")
+    shape.set_property("42", "the answer")
+
+    ly.write(file_gds)
+    ly.write(file_oas)
+
+    ly2 = pya.Layout()
+    ly2.read(file_gds)
+    l2 = ly2.layer(1, 0)
+    shape = None
+    for s in ly2.top_cell().shapes(l2).each():
+      shape = s
+    self.assertEqual(shape.property(2), "hello, world")
+    self.assertEqual(shape.property("2"), None)
+    self.assertEqual(shape.property(2.0), "hello, world")
+    self.assertEqual(shape.property(22), None)
+    self.assertEqual(shape.property(42), "the answer")
+    self.assertEqual(shape.property("42"), None)
+    self.assertEqual(shape.property(42.0), "the answer")
+
+    ly2 = pya.Layout()
+    ly2.read(file_oas)
+    l2 = ly2.layer(1, 0)
+    shape = None
+    for s in ly2.top_cell().shapes(l2).each():
+      shape = s
+    self.assertEqual(shape.property(2), "hello, world")
+    self.assertEqual(shape.property("2"), None)
+    self.assertEqual(shape.property(2.0), "hello, world")
+    self.assertEqual(shape.property(22), None)
+    self.assertEqual(shape.property("42"), "the answer")
+    self.assertEqual(shape.property(42), None)
+    self.assertEqual(shape.property(42.0), None)
+
+
 # run unit tests
 if __name__ == '__main__':
   suite = unittest.TestLoader().loadTestsFromTestCase(DBLayoutTest)