download a whole season from raiplay.it

downloader.py

#!/usr/bin/env python3
# USAGE:
# $ ./downloader.py http://www.raiplay.it/programmi/*/puntate | youtube-dl -a -

import sys
import requests
import bs4
from urllib.parse import urljoin

# TODO: (better, selective) Exception handling
def error(message, code=1):
    print (message, file=sys.stderr)
    exit(code)

if len(sys.argv) > 1:
    pages = sys.argv[1:]
else:
    pages = [x.rstrip() for x in sys.stdin]

for page in pages:
    try:
        req = requests.get(page)
        req.raise_for_status()
    except Exception as e:
        error("Problem downloading your page.\n{}".format(e))

    try:
        html = req.text
        soup = bs4.BeautifulSoup(html, 'lxml')
        tags = soup.select(".puntateItem a")
        if len(tags) == 0:
            tags = soup.select("a.singleVodUrl")
    except Exception as e:
        error("Problem parsing HTML.\n{}".format(e))

    if len(tags) > 0:
        for tag in tags:
            print ("{}".format(urljoin(page, tag.attrs['href'])))
    else:
        error("No episodes detected at this address.")