MNT/DOC: adjust&doc a pyfastg should-never-happen

fedarko · Mar 31, 2023 · 828ba67 · 828ba67
1 parent 9ef9d65
commit 828ba67
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/metagenomescope/assembly_graph_parser.py b/metagenomescope/assembly_graph_parser.py
@@ -523,10 +523,11 @@ def parse_fastg(filename):
         elif suffix == "-":
             g.nodes[n]["orientation"] = "-"
         else:
-            raise GraphParsingError(
-                (
-                    "Node {} in parsed FASTG file doesn't have an orientation?"
-                ).format(n)
+            # shouldn't happen, unless pyfastg breaks or changes its behavior
+            # (but it's useful to have this check anyway, just to make this
+            # bulletproof in case i forget and break something later lol)
+            raise WeirdError(
+                f"Node {n} in parsed FASTG file doesn't have an orientation?"
             )
     return g