蒼社川の水位をスクレイピング

import datetime

import requests
from bs4 import BeautifulSoup


def scraping():

    url = 'http://183.176.244.72/cgi/050_HQ_100_03.cgi?GID=050_HQ_100&UI=U777&SI=00000&DT=000000000000&DBDT=0000000000&MNU=1&DTO=-1&DN=0972900400025&KTM=3&GHK=3&YSK=0&SRO=1&LO=88&TD=0000&BTY=IE6X&cSessionID=0000000000000000000000&UIS=000000000000&SIMU=0&ZM=0'

    r = requests.get(url)
    soup = BeautifulSoup(r.content, 'html5lib')

    data = []

    for trs in soup.select('body > table > tbody > tr'):
        temp = [i.get_text(strip=True) for i in trs.select('td.right-10')]

        # 日付 補完
        if temp[0]:
            day = temp[0]
        else:
            temp[0] = day

        today = datetime.datetime.now()

        # 時間が24:00のときは00:00に変更し、+1日する
        if temp[1] == '24:00':
            hiduke = datetime.datetime.strptime(
                str(today.year) + '/' + temp[0] + ' ' + '00:00',
                '%Y/%m/%d %H:%M')
            hiduke += datetime.timedelta(days=1)
        else:
            hiduke = datetime.datetime.strptime(
                str(today.year) + '/' + temp[0] + ' ' + temp[1],
                '%Y/%m/%d %H:%M')

        if hiduke > today:
            hiduke -= datetime.timedelta(years=1)

        try:
            water_level = float(temp[2])
        except:
            pass
        else:
            data.append([hiduke, water_level])

    return (data[-1][0], data[-1][1], data[-7][1])


if __name__ == '__main__':

    hiduke, wl_now, wl_hour = scraping()

    print('{}現在の水位は{}ｍです。'.format(hiduke.strftime('%Y/%m/%d %H:%M'), wl_now))

    # 1時間前の水位と比較
    if wl_now > wl_hour:
        if wl_now >= 2.85:
            print('はん濫危険水位')
        elif wl_now >= 2.60:
            print('避難判断水位')
        elif wl_now >= 2.40:
            print('はん濫注意水位')
        elif wl_now >= 2.10:
            print('水防団待機水位')