From 5068bb47b37d43e5c57bbcc397d63f08a3729379 Mon Sep 17 00:00:00 2001
From: jsdio <jsdio@jsdio.ru>
Date: Mon, 5 Jun 2023 14:31:12 +0300
Subject: [PATCH] =?UTF-8?q?=D0=9D=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BD=20?=
 =?UTF-8?q?=D0=BA=D0=BB=D0=B0=D1=81=D1=81=20=D0=B7=D0=B0=D0=BF=D0=B8=D1=81?=
 =?UTF-8?q?=D0=B8=20=D0=BF=D0=BE=D1=81=D0=BB=D0=B5=D0=B4=D0=BD=D0=B5=D0=B3?=
 =?UTF-8?q?=D0=BE=20=D1=83=D1=81=D0=BF=D0=B5=D1=88=D0=BD=D0=BE=D0=B3=D0=BE?=
 =?UTF-8?q?=20=D0=B7=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BD=D0=BD=D0=BE=D0=B3?=
 =?UTF-8?q?=D0=BE=20=D0=B7=D0=BD=D0=B0=D1=87=D0=B5=D0=BD=D0=B8=D1=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 state.py | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 state.py

diff --git a/state.py b/state.py
new file mode 100644
index 0000000..02486d6
--- /dev/null
+++ b/state.py
@@ -0,0 +1,65 @@
+import abc
+from typing import Any, Dict
+import json
+import os
+
+
+class BaseStorage(abc.ABC):
+    """Абстрактное хранилище состояния.
+
+    Позволяет сохранять и получать состояние.
+    """
+
+    @abc.abstractmethod
+    def save_state(self, state: Dict[str, Any]) -> None:
+        """Сохранить состояние в хранилище."""
+        raise NotImplementedError
+
+    @abc.abstractmethod
+    def retrieve_state(self) -> Dict[str, Any]:
+        """Получить состояние из хранилища."""
+        raise NotImplementedError
+
+
+class JsonFileStorage(BaseStorage):
+    """Реализация хранилища, использующего локальный файл.
+
+    Формат хранения: JSON
+    """
+
+    def __init__(self, file_path: str = 'state.json') -> None:
+        self.file_path = file_path
+        try:
+            with open(file_path, 'r', encoding='UTF-8') as f:
+                self.local_storage = json.load(f)
+        except FileNotFoundError:
+            self.local_storage = {}
+
+    def save_state(self, state: Dict[str, Any]) -> None:
+        """Сохранить состояние в хранилище."""
+        with open(self.file_path, 'w+', encoding='UTF-8') as f:
+            json.dump(state, f, ensure_ascii=False)
+
+    def retrieve_state(self) -> Dict[str, Any]:
+        """Получить состояние из хранилища."""
+        if not os.path.exists(self.file_path):
+            return {}
+
+        with open(self.file_path, 'r') as file:
+            return json.load(file)
+
+
+class State:
+    """Класс для работы с состояниями."""
+
+    def __init__(self, storage: BaseStorage) -> None:
+        self.storage = storage
+        self.local_state = storage.retrieve_state()
+
+    def set_state(self, key: str, value: Any) -> None:
+        """Установить состояние для определённого ключа."""
+        self.local_state[key] = value
+
+    def get_state(self, key: str) -> Any:
+        """Получить состояние по определённому ключу."""
+        return self.local_state.get(key)
\ No newline at end of file