ENH: treat case of removed files

Summary

The move script could not deal with non-existing entities.

Test Environment

Use a path that does not exist.

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• All automated tests pass
• Reference related Issues
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  • Intent of new code
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• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md
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misc/move_files/move_files.py

@@ -63,14 +63,20 @@ def rename(changes, chunksize=10):
         cont = db.Container()
 
         for _, (old, new) in chunk.iterrows():
-            cont.append(db.File(path=old))
-
-        cont.retrieve()
-
-        for fi, (_, (old, new)) in zip(cont, chunk.iterrows()):
-            assert fi.path == old
-            fi.path = new
-        cont.update()
+            try:
+                fi = db.File(path=old)
+                fi.retrieve()
+
+                if not fi.is_valid():
+                    continue
+                assert fi.path == old
+                fi.path = new
+                cont.append(fi)
+            except Exception as e:
+                print(e)
+
+        if len(cont) > 0:
+            cont.update(unique=False)
         i += 1