ENH: treat case of removed files

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