try/except around write_metadata in case read-only

kujaku11 · Dec 18, 2023 · 51ce34e · 51ce34e
1 parent c05d933
commit 51ce34e
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/mth5/groups/fc_dataset.py b/mth5/groups/fc_dataset.py
@@ -106,8 +106,12 @@ def __init__(
             self.metadata.mth5_type = self._class_name
 
             # write out metadata to make sure that its in the file.
-            if write_metadata:
+            try:
                 self.write_metadata()
+            except RuntimeError:
+                # file is read only
+                pass
+
         # if the attrs don't have the proper metadata keys yet write them
         if not "mth5_type" in list(self.hdf5_dataset.attrs.keys()):
             self.write_metadata()