Convert StoppedPool to use pydantic

Signed-off-by: mulhern <amulhern@redhat.com>

src/stratis_cli/_actions/_list_pool.py

@@ -534,7 +534,7 @@ def display(self):
 
         (pool_uuid, pool) = stopped_pool
 
-        self._print_detail_view(pool_uuid, StoppedPool(pool))
+        self._print_detail_view(pool_uuid, StoppedPool(**pool))
 
 
 class StoppedTable(Stopped):  # pylint: disable=too-few-public-methods
@@ -582,7 +582,7 @@ def key_description_str(value):
                 clevis_str(sp.clevis_info),
             )
             for pool_uuid, sp in (
-                (pool_uuid, StoppedPool(info))
+                (pool_uuid, StoppedPool(**info))
                 for pool_uuid, info in stopped_pools.items()
             )
         ]

src/stratis_cli/_actions/_utils.py

@@ -18,8 +18,12 @@
 
 # isort: STDLIB
 import json
+from typing import List, Optional
 from uuid import UUID
 
+# isort: THIRDPARTY
+from pydantic import BaseModel
+
 from .._constants import Clevis
 from .._stratisd_constants import (
     CLEVIS_KEY_TANG_TRUST_URL,
@@ -151,33 +155,15 @@ def __init__(self, mapping):
         self.devnode = str(mapping["devnode"])
 
 
-class StoppedPool:  # pylint: disable=too-few-public-methods
+class StoppedPool(BaseModel):
     """
-    A representation of a single stopped pool.
+    A representaton of a single stopped pool.
     """
 
-    def __init__(self, pool_info):
-        """
-        Initializer.
-        :param pool_info: a D-Bus structure
-        """
-
-        self.devs = [Device(info) for info in pool_info["devs"]]
-
-        clevis_info = pool_info.get("clevis_info")
-        self.clevis_info = (
-            None if clevis_info is None else EncryptionInfoClevis(clevis_info)
-        )
-
-        key_description = pool_info.get("key_description")
-        self.key_description = (
-            None
-            if key_description is None
-            else EncryptionInfoKeyDescription(key_description)
-        )
-
-        name = pool_info.get("name")
-        self.name = None if name is None else str(name)
+    devs: List[Device]
+    clevis_info: Optional[EncryptionInfoClevis]
+    key_description: Optional[EncryptionInfoKeyDescription]
+    name: Optional[str]
 
 
 class PoolSelector: