Converter between SBOL 2 and 3 for Collection.

sbol_utilities/sbol3_sbol2_conversion.py

@@ -127,9 +127,14 @@ def visit_binary_prefix(self, a: sbol3.BinaryPrefix):
         # Priority: 4
         raise NotImplementedError('Conversion of BinaryPrefix from SBOL3 to SBOL2 not yet implemented')
 
-    def visit_collection(self, a: sbol3.Collection):
-        # Priority: 1
-        raise NotImplementedError('Conversion of Collection from SBOL3 to SBOL2 not yet implemented')
+    def visit_collection(self, coll3: sbol3.Collection):
+        # Make a Collection object and add it to the document
+        coll2 = sbol2.Collection(coll3.identity, version=self._sbol2_version(coll3))
+        coll2.members = coll3.members
+        self.doc2.addCollection(coll2)
+
+        # Map over all other TopLevel properties and extensions not covered by the constructor
+        self._convert_toplevel(coll3, coll2)
 
     def visit_combinatorial_derivation(self, a: sbol3.CombinatorialDerivation):
         # Priority: 2
@@ -371,9 +376,12 @@ def visit_attachment(self, a: sbol2.Attachment):
         # Priority: 2
         raise NotImplementedError('Conversion of Attachment from SBOL2 to SBOL3 not yet implemented')
 
-    def visit_collection(self, a: sbol2.Collection):
-        # Priority: 1
-        raise NotImplementedError('Conversion of Collection from SBOL2 to SBOL3 not yet implemented')
+    def visit_collection(self, coll2: sbol2.Collection):
+        # Make the Sequence object and add it to the document
+        coll3 = sbol3.Collection(coll2.identity, namespace=self._sbol3_namespace(coll2), members = coll2.members)
+        self.doc3.add(coll3)
+        # Map over all other TopLevel properties and extensions not covered by the constructor
+        self._convert_toplevel(coll2, coll3)
 
     def visit_combinatorial_derivation(self, a: sbol2.CombinatorialDerivation):
         # Priority: 2