import io
from pathlib import Path

import requests

with requests.get(url, allow_redirects=True) as resp:
    # raise requests.exceptions.HTTPError on 4xx and 5xx server errors
    resp.raise_for_status()

    with Path('/to/output/file').open('wb') as fd_out:
        fd_out.write(resp.content)


# To big to fit in memory
with requests.get(url, allow_redirects=True, stream=True) as resp:
    resp.raise_for_status()

    with Path('/to/output/file').open('wb') as fd_out:
        for chunk in resp.iter_content(chunk_size=io.DEFAULT_BUFFER_SIZE):
            if chunk:
                fd_out.write(chunk)

# Get content type
resp.headers.get('Content-Type')
'text/html'

# Get content size (w/o download)
resp = requests.head(url, allow_redirects=True)
resp.headers.get('Content-Length')
'57042524'  # bytes

References:

1. https://www.codementor.io/@aviaryan/downloading-files-from-urls-in-python-77q3bs0un