yomou.py

#!python

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

def get_top_300(url):
    r = urllib.request.urlopen(url)
    data = r.read()
    r.close()
    soup = BeautifulSoup(data, "html.parser")

    novels = []
    for li in soup.select(".ranking_list .rank_h a"):
        novels += [li.get("href")]

    novels = [url.rstrip("/").rsplit('/', 1)[-1] for url in novels]
    return novels

if __name__ == "__main__":
    novels = get_top_300(sys.argv[1])
    print(" ".join(novels))