Don't fail set_peek if file does not look like GRO file

galaxyproject · May 27, 2024 · 54db4e9 · 54db4e9
1 parent 3cd64e7
commit 54db4e9
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/lib/galaxy/datatypes/molecules.py b/lib/galaxy/datatypes/molecules.py
@@ -1546,8 +1546,12 @@ def sniff_prefix(self, file_prefix: FilePrefix) -> bool:
     def set_peek(self, dataset: DatasetProtocol, **kwd) -> None:
         if not dataset.dataset.purged:
             dataset.peek = get_file_peek(dataset.get_file_name())
-            atom_number = int(dataset.peek.split("\n")[1])
-            dataset.blurb = f"{atom_number} atoms"
+            peek_lines = dataset.peek.split("\n")
+            try:
+                atom_number = int(peek_lines[1])
+                dataset.blurb = f"{atom_number} atoms"
+            except (ValueError, IndexError):
+                dataset.blurb = "file does not look like valid GRO file."
         else:
             dataset.peek = "file does not exist"
             dataset.blurb = "file purged from disk"