python scraping with cache

__main__.py

import os
import pickle
import requests
import hashlib

from pathlib import Path
from typing import Callable, Optional


class Cache:

  def __init__(
    self, 
    directory: Path = Path.home() / Path(".cache/websites")
  ) -> None:
    self.directory = directory
    directory.mkdir(parents=True, exist_ok=True)

  def get(self, uri: str) -> Optional[str]:
    path = self.cache_path(url)
    val = path.read_bytes()

    return val.decode('utf-8')

  def put(self, uri: str, val: str) -> None:
    path = self.cache_path(uri)
    path.parent.mkdir(exist_ok=True)

    with open(path, 'wb') as f:
      f.write(val.encode('utf-8'))

  def cache_path(self, uri: str) -> Path:
    hashed = hashlib.sha256(uri.encode()).hexdigest()

    return Path(self.directory / hashed)


if __name__ == "__main__":
  cache = Cache()
  url = "https://wikipedia.com"

  data = requests.get(url)
  cache.put(url, data.text)

  print(cache.get(url))