Download session

from http.cookiejar import MozillaCookieJar
import os.path as osp
import requests


def _get_session(proxy, use_cookies, user_agent, return_cookies_file=False):
    sess = requests.session()

    sess.headers.update({"User-Agent": user_agent})

    if proxy is not None:
        sess.proxies = {"http": proxy, "https": proxy}
        print("Using proxy:", proxy, file=sys.stderr)

    # Load cookies if exists
    cookies_file = osp.join(home, ".cache/gdown/cookies.txt")
    if use_cookies and osp.exists(cookies_file):
        cookie_jar = MozillaCookieJar(cookies_file)
        cookie_jar.load()
        sess.cookies.update(cookie_jar)

    if return_cookies_file:
        return sess, cookies_file
    else:
        return sess