updated custom_timer; added kv for timer_screen.py, play sound for timer, json reading

kawai_focus/utils/data_json.py

@@ -0,0 +1,36 @@
+import json
+
+from kawai_focus.main import Logger
+
+
+class ReadJson:
+    """Класс для чтения json файла"""
+
+    def __init__(self, file_name: str):
+        self.file_name = file_name
+        self.json_data = self.read_json_as_dict()
+
+    def read_json_as_dict(self) -> dict:
+        """Метод для чтения json файла как dict"""
+
+        try:
+            file_path = f'json/{self.file_name}'
+            with open(file=file_path, mode='r') as file:
+                return json.load(file)
+        except (FileNotFoundError, json.decoder.JSONDecodeError) as err:
+            Logger.error(f'Logger: {err.__class__.__name__}: {err}')
+
+    def get_text(self, name: str) -> str:
+        """Метод для возврата текста из файла json по ключу name"""
+        
+        text = self.json_data.get(name)
+        
+        if text:
+            if isinstance(text, list):
+                text = ''.join(text)
+                return text
+            return text
+
+
+read_json_err = ReadJson(file_name='errors.json')
+read_json_timer = ReadJson(file_name='timer.json')

kawai_focus/utils/utils.py

@@ -0,0 +1,30 @@
+from typing import Generator
+
+from kawai_focus.main import Logger
+from kawai_focus.utils.data_json import read_json_err
+
+
+def custom_timer(hh: int=0, mm: int=0, ss: int=0) -> Generator[str, None, None]:
+    """Функция отсчитывает время, установленное для таймера в формате 
+    'hh:mm:ss'. Возвращает генератор, который возвращает текущее время
+    в формате 'hh:mm:ss'."""
+
+    try:
+        if ss == 0 and mm == 0 and hh == 0:
+            raise ValueError(read_json_err.get_text('no_time'))
+        
+        if ss < 0 or mm < 0 or hh < 0:
+            raise ValueError(read_json_err.get_text('negative_time'))
+
+        if ss > 59 or mm > 59:
+            raise ValueError(read_json_err.get_text('ss_mm_big'))
+        
+        if hh > 23:
+            raise ValueError(read_json_err.get_text('hh_big'))
+
+        total_seconds = (int(hh or 0) * 3600) + (int(mm or 0) * 60) + (int(ss or 0))
+
+        for remaining in range(total_seconds, -1, -1):
+            yield f"{remaining // 3600:02d}:{(remaining % 3600) // 60:02d}:{remaining % 60:02d}"
+    except (TypeError, ValueError) as err:
+        Logger.error(f'Logger: {err.__class__.__name__}: {err}')