Read Only

src/hdmf_zarr/backend.py

@@ -160,7 +160,9 @@ def open(self):
         if self.__file is None:
             # Within zarr, open_consolidated only allows the mode to be 'r' or 'r+'.
             # As a result, when in other modes, the file will not use consolidated metadata.
-            if self.__mode not in ['r', 'r+']:
+            if self.__mode != 'r':
+                # When we consolidate metadata, we use ConsolidatedMetadataStore. This interface does not seem to allow for setting items at all.
+                # In the doc string, it says it is "read only". As a result, we cannot use r+ with consolidate_metadata.
                 # r- is only an internal mode in ZarrIO to force the use of regular open. For Zarr we need to
                 # use the regular mode r when r- is specified
                 mode_to_use = self.__mode if self.__mode != 'r-' else 'r'