def get_converters_for_collection(self, trans, id, datatypes_registry: Registry, instance_type="history"):
dataset_collection_instance = self.get_dataset_collection_instance(
trans,
id=id,
instance_type=instance_type,
check_ownership=True
)
dbkeys_and_extensions = dataset_collection_instance.dataset_dbkeys_and_extensions_summary
suitable_converters = set()
first_extension = True
most_recent_datatype = None
# TODO error checking
for datatype in dbkeys_and_extensions[1]:
new_converters = datatypes_registry.get_converters_by_datatype(datatype)
set_of_new_converters = set()
for tgt_type, tgt_val in new_converters.items():
converter = (tgt_type, tgt_val)
set_of_new_converters.add(converter)
if (first_extension is True):
suitable_converters = set_of_new_converters
most_recent_datatype = datatype
first_extension = False
else:
suitable_converters = suitable_converters.intersection(set_of_new_converters)
if suitable_converters:
most_recent_datatype = datatype
suitable_tool_ids = list()
for tool in suitable_converters:
tool_info = {"tool_id": tool[1].id, "name": tool[1].name, "target_type": tool[0], "original_type": most_recent_datatype}
suitable_tool_ids.append(tool_info)
return suitable_tool_ids
