Module extensions 

Constants

EXTENSIONS_FIELD

Task field the inbound extensions ride on. Contract with worker.py, which reads it and passes the reconstructed object as extensions= to execute_plugin; both sides must agree verbatim.

MODIFIED_EXTENSIONS_FIELD

Response field the returned extensions ride on.

Functions

attach_extensions

Serialize the filtered extensions and attach them to task.

owned_from_returned_slot

Rebuild an OwnedExtensions from an already-extracted modified_extensions value.

parse_returned_extensions

Rebuild an OwnedExtensions from the worker’s response, or None.