rustPlatform.fetchCargoVendor: retry fetching tarballs (#357262)

from typing import Any, TypedDict, cast

import requests

from requests.adapters import HTTPAdapter, Retry

eprint = functools.partial(print, file=sys.stderr)

def download_file_with_checksum(url: str, destination_path: Path) -> str:

    retries = Retry(

        total=5,

        backoff_factor=0.5,

        status_forcelist=[500, 502, 503, 504]

    )

    session = requests.Session()

    session.mount('http://', HTTPAdapter(max_retries=retries))

    session.mount('https://', HTTPAdapter(max_retries=retries))

    sha256_hash = hashlib.sha256()

    with requests.get(url, stream=True) as response:

    with session.get(url, stream=True) as response:

        if not response.ok:

            raise Exception(f"Failed to fetch file from {url}. Status code: {response.status_code}")

        with open(destination_path, "wb") as file: