Define Privilege/Role using frozen dataclass.

* gn_auth/auth/authorisation/privileges.py: Import dataclass.  Remove
NamedTuple import.
(Privilege): Use frozen dataclass.
(Privelege.dictify): Delete.
* gn_auth/auth/authorisation/resources/groups/views.py: Import
dataclasses.asdict.
(group_privileges): Replace dictify with asdict.
(add_priv_to_role): Ditto.
(delete_priv_from_role): Ditto.
* gn_auth/auth/authorisation/resources/models.py:
(assign_resource_user): Replace dictify with asdict.
(unassign_resource_user): Ditto.
* gn_auth/auth/authorisation/resources/system/views.py: Import
dataclasses.asdict.  Remove dictify import.
(system_roles): Replace dictify with asdict.
* gn_auth/auth/authorisation/resources/views.py:
(resource_users): Replace dictify with asdict.
(resources_authorisation): Ditto.
* gn_auth/auth/authorisation/roles/models.py: Remove dictify and
NameTuple import.
(Role): Use frozen dataclass.
(Role.dictify): Replace dictify(priv) with asdict(priv).
* gn_auth/auth/authorisation/roles/views.py: Import
dataclasses.asdict.  Remove dictify import.
(view_role): Replace dictify with asdict.
* gn_auth/auth/authorisation/users/views.py:
(user_roles): Replace dictify with asdict.

Signed-off-by: Munyoki Kilyungi <me@bonfacemunyoki.com>

1 files changed, 5 insertions, 8 deletions

diff --git a/gn_auth/auth/authorisation/privileges.py b/gn_auth/auth/authorisation/privileges.py
index bba6258..99f41fc 100644
--- a/gn_auth/auth/authorisation/privileges.py
+++ b/gn_auth/auth/authorisation/privileges.py
@@ -1,20 +1,17 @@
 """Handle privileges"""
-from typing import Any, Iterable, NamedTuple
+from dataclasses import dataclass
+from typing import Any, Iterable
 
 from ..db import sqlite3 as db
 from ..authentication.users import User
 
-class Privilege(NamedTuple):
+
+@dataclass(frozen=True)
+class Privilege:
     """Class representing a privilege: creates immutable objects."""
     privilege_id: str
     privilege_description: str
 
-    def dictify(self) -> dict[str, Any]:
-        """Return a dict representation of `Privilege` objects."""
-        return {
-            "privilege_id": self.privilege_id,
-            "privilege_description": self.privilege_description
-        }
 
 def user_privileges(conn: db.DbConnection, user: User) -> Iterable[Privilege]:
     """Fetch the user's privileges from the database."""