#1163

CHANGELOG.md

@@ -42,6 +42,7 @@ dj.FreeTable(dj.conn(), "common_session.session_group").drop()
 - Remove numpy version restriction #1169
 - Merge table delete removes orphaned master entries #1164
 - Edit `merge_fetch` to expect positional before keyword arguments #1181
+- Allow part restriction `SpyglassMixinPart.delete` #1192
 
 ### Pipelines
 
@@ -53,9 +54,9 @@ dj.FreeTable(dj.conn(), "common_session.session_group").drop()
     - Export fixes #1164
         - Allow `get_abs_path` to add selection entry. #1164
         - Log restrictions and joins. #1164
-        - Check if querying table inherits mixin in `fetch_nwb`. #XXXX
-        - Ensure externals entries before adding to export. #XXXX
-    - Error specificity in `LabMemberInfo` #XXXX
+        - Check if querying table inherits mixin in `fetch_nwb`. #1192
+        - Ensure externals entries before adding to export. #1192
+    - Error specificity in `LabMemberInfo` #1192
 
 - Decoding
 

src/spyglass/utils/dj_mixin.py

@@ -145,10 +145,10 @@ def _nwb_table_tuple(self) -> tuple:
 
         Used to determine fetch_nwb behavior. Also used in Merge.fetch_nwb.
         Implemented as a cached_property to avoid circular imports."""
-        from spyglass.common.common_nwbfile import (
+        from spyglass.common.common_nwbfile import (  # noqa F401
             AnalysisNwbfile,
             Nwbfile,
-        )  # noqa F401
+        )
 
         table_dict = {
             AnalysisNwbfile: "analysis_file_abs_path",
@@ -857,4 +857,9 @@ def delete(self, *args, **kwargs):
         """Delete master and part entries."""
         restriction = self.restriction or True  # for (tbl & restr).delete()
 
-        (self.master & restriction).delete(*args, **kwargs)
+        try:  # try restriction on master
+            restricted = self.master & restriction
+        except DataJointError:  # if error, assume restr of self
+            restricted = self & restriction
+
+        restricted.delete(*args, **kwargs)