closes #295: raise error when attempting to validate del length (part…

…ial port of default branch code)
biocommons · Jun 24, 2016 · 2fde7e1 · 2fde7e1
1 parent 192df8a
commit 2fde7e1
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/hgvs/validator.py b/hgvs/validator.py
@@ -79,8 +79,10 @@ def _del_length(self, var):
                 return True
 
             if var.type in BASE_OFFSET_COORD_TYPES:
-                assert ((var.posedit.pos.start.offset == var.posedit.pos.end.offset == 0) or
-                        (var.posedit.pos.start.base == var.posedit.pos.end.base))
+                if not ((var.posedit.pos.start.offset == var.posedit.pos.end.offset == 0) or
+                        (var.posedit.pos.start.base == var.posedit.pos.end.base)):
+                    raise HGVSUnsupportedOperationError(
+                        "Validating deletion length for intronic variants is unsupported ({})".format(str(var)))
                 span_len = ((var.posedit.pos.end.base + var.posedit.pos.end.offset) -
                             (var.posedit.pos.start.base + var.posedit.pos.start.offset) + 1)
             else: