Fix controllers/dataset::get_edit

)

from galaxy.managers.histories import HistoryManager

from galaxy.model.base import transaction

from galaxy.model.db.role import get_private_role_user_emails_dict

from galaxy.model.item_attrs import (

    UsesAnnotations,

    UsesItemRatings,

                if dtype_value.is_datatype_change_allowed()

            ]

            ldatatypes.sort()

            all_roles = [

                (r.name, trans.security.encode_id(r.id))

                for r in trans.app.security_agent.get_legitimate_roles(trans, data.dataset, "root")

            ]

            private_role_emails = get_private_role_user_emails_dict(trans.sa_session)

            role_tuples = []

            for role in trans.app.security_agent.get_legitimate_roles(trans, data.dataset, "root"):

                displayed_name = private_role_emails.get(role.id, role.name)

                role_tuples.add((displayed_name, trans.security.encode_id(role.id)))

            data_metadata = list(data.metadata.spec.items())

            converters_collection = [(key, value.name) for key, value in data.get_converter_types().items()]

            can_manage_dataset = trans.app.security_agent.can_manage_dataset(

                                "name": index,

                                "label": action.action,

                                "help": help_text,

                                "options": all_roles,

                                "options": role_tuples,

                                "value": in_roles.get(action.action),

                                "readonly": not can_manage_dataset,

                            }