Python脚本05 —— 从七牛服务器下载图片

#coding=utf-8#从测试七牛服务器下载图片import sysimport urllib,urllib2import osfrom qiniu import Authfrom qiniu import BucketManageraccess_key = ''secret_key = ''bucket_name = ''bucket_domain = ''q = Auth(access_key,secret_key)bucket = BucketManager(q)def download(key):base_url = 'http://%s/%s' % (bucket_domain, key)# private_url = q.private_download_url(base_url, expires=3600)print('url:' + base_url)#设置下载后存放的存储路径dest_file=os.path.join('/Users/fenggeqiang/Desktop/qiniu/',key)if not os.path.exists(dest_file):dest_dir = os.path.dirname(dest_file)if not os.path.exists(dest_dir):print 'dest dir not exists. created:' + dest_diros.mkdir(dest_dir)urllib.urlretrieve(base_url , dest_file)else:print 'exists. skipped'def list_all(prefix=None, limit=None):    marker = None    eof = False    while eof is False:        ret, eof, info = bucket.list(bucket_name, prefix=prefix, marker=marker, limit=limit)        marker = ret.get('marker', None)        for item in ret['items']:            print('item:' + item['key'])            if marker != None:            print('marker:' + marker)            pass            download(item['key'])            pass    if eof is not True:        # 错误处理        passlist_all()