Get election primary results for any Stack Exchange moderator election

se_election_results.py

from bs4 import BeautifulSoup
from urllib.request import urlopen
from urllib.parse import urlparse


def get_sites():
    response = urlopen("http://stackexchange.com/sites?tab=all")

    soup = BeautifulSoup(response.read(), "html.parser")

    for site in soup.find_all("a", attrs={"class": "noscript-link"}):
        yield site.get("href")


def election_results(site: str, which: int = 1):
    sites = {urlparse(url).netloc.split(".")[0]: url for url in get_sites()}

    if not site in sites:
        raise ValueError("Unrecognized site")

    election_url = sites[site] + "/election/" + str(which) + "?tab=primary"

    # May throw urllib.error.HTTPError
    response = urlopen(election_url)

    soup = BeautifulSoup(response.read(), "html.parser")

    scores = []
    for tr in soup.find_all("tr"):
        if tr.find("td", attrs={"class": "votecell"}):
            username = tr.find(attrs={"class": "user-details"}).find("a").text
            votes = int(tr.find(attrs={"class": "vote-count-post"}).text)
            withdrew = "withdrew" in tr.find(attrs={"class": "user-action-time"}).text
            scores.append((username, votes, withdrew))

    if not scores:
        raise ValueError("Election #{} has not yet occurred for {}".format(which, site))

    max_name_len = max(len(g[0]) for g in scores)
    max_vote_len = max(len(str(g[1])) for g in scores)

    for user, votes, drop in sorted(scores, key=lambda x: x[1], reverse=True):
        user_just = user.ljust(max_name_len)
        votes_just = str(votes).rjust(max_vote_len)
        print("{}  {}  {}".format(user_just, votes_just, "(withdrew)" if drop else ""))


if __name__ == "__main__":
    site = input("Enter Stack Exchange site: ")
    election_results(site)