resumable.py

import pickle
import os
from baidubce.bce_client_configuration import BceClientConfiguration
from baidubce.auth.bce_credentials import BceCredentials
from baidubce import exception
from baidubce.services.bos import canned_acl
from baidubce.services.bos.bos_client import BosClient
import logging

logging.basicConfig(level=logging.DEBUG)
__logger = logging.getLogger(__name__)

bos_host = "http://bj.bcebos.com"
access_key_id = ""
secret_access_key = ""

config = BceClientConfiguration(credentials=BceCredentials(access_key_id, secret_access_key), endpoint = bos_host)
bos_client = BosClient(config)
bucket_name = "wordpressxd"
upload_id = "bf3167c31f96036f63bec1d1d70ace09"
file_name = "baidutest.ISO"
object_key = "baidutest.ISO"
f = open(file_name,'r')
f.close
f1 = open("./b","rb")
part_list = pickle.load(f1)
f1.close
#upload_id = bos_client.initiate_multipart_upload(bucket_name, object_key).upload_id
left_size = 501506048 
#print left_size

offset = 141557760
part_number = 28
#part_list = []

while left_size > 0:
        part_size = 5 * 1024 * 1024
        if left_size < part_size:
            part_size = left_size

        response = bos_client.upload_part_from_file(
            bucket_name, object_key, upload_id, part_number, part_size, file_name, offset)
        left_size -= part_size
        offset += part_size
        # your should store every part number and etag to invoke complete multi-upload
        part_list.append({
            "partNumber": part_number,
            "eTag": response.metadata.etag
        })
        #print "left_size is:%d"%(left_size) 
        #print "\n"
        #print "offset is:%d"%(offset)
        #print "\n"
        #f1 = open("./b","wb")
        #pickle.dump(part_list,f1)
        #f1.close()
        #print part_number
#print part_list
        part_number += 1
bos_client.complete_multipart_upload(bucket_name, object_key, upload_id, part_list)