ac-cover.py

# coding=utf-8

import os
import time
import requests


def ensure_dir(f):
    d = os.path.join(os.getcwd(), f)
    if not os.path.exists(d):
        os.makedirs(d)
    return d


def unescape(string):
    global h
    global word
    h = -1
    word = ''

    def parse():
        global h
        global word

        if h == -1:
            if ch == '%':
                h = 0
                return ''
            else:
                return ch
        elif h == 0:
            h = 1
            word = ch
            return ''
        else:
            h = -1
            word += ch
            return word.decode('hex')

    return ''.join([parse() for ch in string])


def download_image(folder):
    r = requests.get('http://cover.acfunwiki.org/cover.php')
    url = r.url
    print(url)
    name = unescape(url[url.rfind('/') + 1:].encode('utf-8')).decode('utf-8')
    print(name)
    file_path = os.path.join(folder, name)
    if not os.path.exists(file_path):
        image = open(file_path, 'wb')
        image.write(r.content)
        image.close()
    else:
        print('exist')


if __name__ == '__main__':
    cover_dir = ensure_dir('cover')
    while True:
        try:
            download_image(cover_dir)
            # time.sleep(5)
        except (KeyboardInterrupt, SystemExit):
            raise
        except Exception as e:
            print(str(e))