恰巧發現有個叫“EarthLiveSharp”，可用將日本向日葵8號衛星的地球實時圖片設為屏保。向日葵8號衛星的地球實時圖片官網為：http://himawari8.nict.go.jp/，EarthLiveSharp的項目地址是：https://github.com/bitdust/EarthLiveSharp。
為了減輕向日葵8號的服務器負擔，同時也是提高地球實時圖片的獲取成功率，需要使用cloudinary來做CDN。注冊配置都在軟件里有說明。
目前EarthLiveSharp暫時沒有清理cloudinary的CDN圖片緩存的功能，于是我用python寫了一個，并嘗試用gist管理，地址為：https://gist.github.com/creke/c5a8a18fa41b8f5c1a0719a7e0cf4de6
同時，為了大家方便，順便編譯成了Windows可執行文件，下載： https://pan.baidu.com/s/1c27fXEo 提取碼：k33n
為了自己檢索方便，順便在這里附上python腳本源碼，可以作為python如何使用RESTful接口的例子，相關工具類函數也便于參考。
EarthLiveCleanCloudinary.py
# -*- coding: utf-8 -*-
# Author: Creke
# HomePage: http://blog.creke.net
import sys
import urllib, urllib2
import base64
import json
URLLIB_DEBUG_LEVEL = 1
URLLIB_TIMEOUT = 5
def Dict2Uri(dic):
return urllib.urlencode(dic)
def GenUrllibReq(url, method, api_key, api_secret, post_data=None):
urlreq = None
if post_data is None:
urlreq = urllib2.Request(url)
else:
urlreq = urllib2.Request(url, post_data)
urlreq.get_method = lambda: method
auth_str = base64.b64encode('%s:%s' % (api_key, api_secret))
urlreq.add_header("Authorization", "Basic %s" % auth_str)
urlreq.add_header('Cache-Control', 'no-cache')
return urlreq
def GetApiDelUrl(cloud_name, img_type):
url = "https://api.cloudinary.com/v1_1/%s/resources/image/%s" % (cloud_name, img_type)
params = {"prefix": "http://himawari8-dl"}
url = url + "?" + Dict2Uri(params)
return url
def main(argv):
arg_idx = 1
api_key = argv[arg_idx]
arg_idx += 1
api_secret = argv[arg_idx]
arg_idx += 1
cloud_name = argv[arg_idx]
while True:
del_url = GetApiDelUrl(cloud_name, 'fetch')
urlreq = GenUrllibReq(del_url, 'DELETE', api_key, api_secret)
print "==========================="
print "Requesting %s" % (del_url)
opener = urllib2.build_opener(urllib2.HTTPSHandler(debuglevel=URLLIB_DEBUG_LEVEL))
urllib_open = opener.open(urlreq, timeout=URLLIB_TIMEOUT)
response = urllib_open.read()
print "==========================="
print "Response:"
print "%s" % (response)
print "==========================="
urllib_open.close()
print "Done Requesting"
res_json = json.loads(response)
deleted_cnt = len(res_json['deleted'])
print "Deleted %u himawari8 pics" % (deleted_cnt)
print "==========================="
if 'next_cursor' in res_json and deleted_cnt>0:
print "Due to Cloudinary limits, we're starting a new round"
else:
break
return 0
def PrintHelp(argv):
print "\t USAGE: %s [api_key] [api_secret] [cloud_name]" % (argv[0])
if __name__ == '__main__':
if len(sys.argv) < 4:
PrintHelp(sys.argv)
exit(1)
print "RUNNING main"
main(sys.argv)
print "DONE main"
EarthLiveCleanCloudinary2exe.py
# -*- coding: utf-8 -*- # Author: Creke # HomePage: http://blog.creke.net from distutils.core import setup import py2exe setup(console=['EarthLiveCleanCloudinary.py'])
Windows編譯版本下載：
鏈接: https://pan.baidu.com/s/1skADZeH 密碼: rdgb
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