From 8200022240fdbb980b51773384ceecd777c57f8e Mon Sep 17 00:00:00 2001
From: MarieMih <maria.mihailicheva@yandex.ru>
Date: Thu, 26 Oct 2023 19:34:03 +0300
Subject: [PATCH] commit_new

---
 .gitignore         |  3 +++
 controls/device.py | 21 +++++++++++++++------
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/.gitignore b/.gitignore
index 9874c37..f06ca8c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,9 @@ __pycache__/
 *.py[cod]
 *$py.class
 
+#visual studio
+.vs/
+
 # C extensions
 *.so
 
diff --git a/controls/device.py b/controls/device.py
index d126692..33945c0 100644
--- a/controls/device.py
+++ b/controls/device.py
@@ -2,8 +2,13 @@ from dataclasses import dataclass
 from typing import Optional, Collection, Any
 from abc import abstractmethod
 
-class DeviceLifecycleState:
-    pass  # TODO(Homework #3)
+from enum import IntEnum
+from abc import ABC, abstractmethod
+
+class DeviceLifecycleState(IntEnum):
+    INIT = 0
+    OPEN = 1
+    CLOSE = 2
 
 
 class DevaceError(Exception):
@@ -33,8 +38,8 @@ class ActionDescriptor:
     info: Optional[str] = None
 
 
-class Device:
-    # TODO(Homework #3)
+class Device(ABC):
+    
     _state = DeviceLifecycleState.INIT
 
     @property
@@ -43,10 +48,14 @@ class Device:
 
     def close(self):
         self._state = DeviceLifecycleState.CLOSE
-
+        
+    @property
+    @abstractmethod
     def trait_descriptors(self) -> Collection[TraitDescriptor]:
         pass
-
+    
+    @property
+    @abstractmethod
     def action_descriptors(self) -> Collection[ActionDescriptor]:
         pass