alexey-goloburdin / typed-python-book Goto Github PK

def save_weather(weather: Weather, storage: WeatherStorage) -> None:
    """Saves weather in the storage"""
    storage.save(weather)

WeatherStorage = Callable[[Weather], None]

def save_weather(weather: Weather, storage: WeatherStorage) -> None:
    """Saves weather in the storage"""
    storage(weather)

from typing import Sequence
from datetime import datetime
from dataclasses import dataclass

@dataclass
class User:
    birthday: datetime

class Users:
    def __init__(self, users: Sequence[User]):
        self._users = users
    def __getitem__(self, key: int) -> User:
        return self._users[key]
users = Users(( # сменили на tuple
        User(birthday=datetime.fromisoformat("1988-01-01")),
        User(birthday=datetime.fromisoformat("1985-07-29")),
        User(birthday=datetime.fromisoformat("2000-10-10"))
))

for u in users:
    print(u)

data = load.jsons(dump)
for index, value in enumerate(data):  # type: int, int
  ...