get bing daily wallpaper.

bing-daily-wallpaper.py

#! /usr/bin/python
# -*- coding: utf-8 -*-

import urllib,urllib2
import time
import json
import os
import re
import sys

def get_req_url():
	url = "http://cn.bing.com/HPImageArchive.aspx?{}"
	params = {
		"format": "js",
		"idx": 0,
		"n": 1,
		"nc": int(time.time()*1000),
		"pid": "hp"
	}
	return url.format(urllib.urlencode(params))

def get_info():
	url = get_req_url()
	try:
		resp = urllib2.urlopen(url).read()
		result = json.loads(resp)
		return result["images"][0]
	except:
		return None

def download(filename,url):
	with open(filename.encode('utf-8'),'wb') as f:
		content = urllib2.urlopen(url).read()
		f.write(content)

if __name__ == '__main__':
	PATHNAME = 'wallpaper'
	if not os.path.isdir(PATHNAME):
		os.mkdir(PATHNAME)

	info = get_info()
	url = info['url'] if info['url'].startswith('http') else 'http://s.cn.bing.net{}'.format(info['url'])
	suffix_match = re.search(r'\.\w*?$',url)
	if suffix_match:
		suffix = suffix_match.group()
	else:
		suffix = '.jpg'
	filename = re.sub(re.compile(r'\s\(.*\)'),'',info['copyright'])
	download(os.path.join(PATHNAME, info['enddate'] + '-' + filename + suffix), url)