EarthLiveSharp中cloudinary的CDN图片缓存自动清理python脚本

恰巧发现有个叫“EarthLiveSharp”，可用将日本向日葵8号卫星的地球实时图片设为屏保。向日葵8号卫星的地球实时图片官网为：http://himawari8.nict.go.jp/，EarthLiveSharp的项目地址是：https://github.com/bitdust/EarthLiveSharp。
为了减轻向日葵8号的服务器负担，同时也是提高地球实时图片的获取成功率，需要使用cloudinary来做CDN。注册配置都在软件里有说明。

目前EarthLiveSharp暂时没有清理cloudinary的CDN图片缓存的功能，于是我用python写了一个，并尝试用gist管理，地址为：https://gist.github.com/creke/c5a8a18fa41b8f5c1a0719a7e0cf4de6

同时，为了大家方便，顺便编译成了Windows可执行文件，下载： https://pan.baidu.com/s/1c27fXEo 提取码：k33n
为了自己检索方便，顺便在这里附上python脚本源码，可以作为python如何使用RESTful接口的例子，相关工具类函数也便于参考。

EarthLiveCleanCloudinary.py

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									# -*- 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

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									# -*- coding: utf-8 -*-

									# Author: Creke

									# HomePage: http://blog.creke.net

									from distutils.core import setup

									import py2exe

									setup(console=['EarthLiveCleanCloudinary.py'])

Windows编译版本下载：

链接: https://pan.baidu.com/s/1skADZeH 密码: rdgb

EarthLiveSharp中cloudinary的CDN图片缓存自动清理python脚本

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