main.py

import time
import datetime

FILE = 'log.txt'
class logger:
    def __init__(self, name):
        self.name = name

    def __enter__(self):
        self.start = time.time()
        self.date = datetime.strftime(datetime.now(), '%Y-%m-%d')
        self.time = datetime.strftime(datetime.now(), '%H:%M:%S')
        with open(FILE, 'a', encoding='utf-8') as log:
            log.write(f'[{self.date}] НАЧАЛО в {self.time}: {self.name}')
        return self

    def __exit__(self, exc_type, exc, tb):
        self.end = time.time()
        duration = self.end - self.start
        status = 'УСПЕШНО' if exc_type is None else f'ОШИБКА: {exc}'
        with open(FILE, 'a', encoding='utf-8') as log:
            log.write(f"[{self.date}] КОНЕЦ: {self.name} | {status} | {duration:.4f} сек\n")
        print(f'⏱ Время выполнения: {duration:.4f} сек')
        return False