def getfilelist(self, bucket, offset=0, limit=20, header=None):
"""
获取空间中文件列表
@param bucket: string类型,空间名称
@param offset: integer类型，文件列表偏移位置
@param limit: integer类型，返回文件数量
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
param = dict()
param['Action'] = 'GetFileList'
param['BucketName'] = bucket
param['Offset'] = s(str(offset))
param['Limit'] = s(str(limit))
signature = self.__auth.bucket_signature(param)
param['Signature'] = signature
logger.info('start request the file list of bucket {0}'.format(bucket))
return _bucket_request(UCLOUD_API_URL, param, header)
def describebucket(self, bucket=None, offset=0, limit=10, header=None):
"""
获取空间的信息，如果不提供空间名称，则获取所有空间的信息
@param bucketname: string类型, 空间名称
@param offset: integer类型, 起始空间编码，当提供空间名时无效
@param limit: integer类型，获取空间数量，当提供具体空间名时无效
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
param = dict()
param['Action'] = 'DescribeBucket'
if bucket is not None:
param['BucketName'] = bucket
param['Offset'] = s(str(offset))
param['Limit'] = s(str(limit))
signature = self.__auth.bucket_signature(param)
param['Signature'] = signature
logger.info('start request the bucket {0} details'.format(bucket))
return _bucket_request(UCLOUD_API_URL, param, header)
def describebucket(self, bucket=None, offset=0, limit=10, header=None):
"""
获取空间的信息，如果不提供空间名称，则获取所有空间的信息
@param bucketname: string类型, 空间名称
@param offset: integer类型, 起始空间编码，当提供空间名时无效
@param limit: integer类型，获取空间数量，当提供具体空间名时无效
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
param = dict()
param['Action'] = 'DescribeBucket'
if bucket is not None:
param['BucketName'] = bucket
param['Offset'] = s(str(offset))
param['Limit'] = s(str(limit))
signature = self.__auth.bucket_signature(param)
param['Signature'] = signature
logger.info('start request the bucket {0} details'.format(bucket))
return _bucket_request(UCLOUD_API_URL, param, header)
def getfilelist(self, bucket, offset=0, limit=20, header=None):
"""
获取空间中文件列表
@param bucket: string类型,空间名称
@param offset: integer类型，文件列表偏移位置
@param limit: integer类型，返回文件数量
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
param = dict()
param['Action'] = 'GetFileList'
param['BucketName'] = bucket
param['Offset'] = s(str(offset))
param['Limit'] = s(str(limit))
signature = self.__auth.bucket_signature(param)
param['Signature'] = signature
logger.info('start request the file list of bucket {0}'.format(bucket))
return _bucket_request(UCLOUD_API_URL, param, header)
def putfile(self, bucket, key, localfile, header=None):
"""
upload localfile to bucket as key
@param bucket: string类型，上传空间名称
@param key: string 类型，上传文件在空间中的名称
@param localfile: string类型，本地文件名称
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
mime_type = s(Mimetype.from_file(localfile))
file_size = os.path.getsize(localfile)
header['Content-Type'] = mime_type
authorization = self.authorization('put', bucket, key, header)
header['Authorization'] = authorization
header['Content-Length'] = file_size
url = ufile_put_url(bucket, key)
logger.info('start put file {0} to bucket {1} as {2}'.format(localfile, bucket, key))
logger.info('put UFile url: {0}'.format(url))
logger.info('request header:\n{0}'.format(json.dumps(header, indent=4)))
return _put_file(url, header, localfile)
def resumeuploadfile(self, retrycount=3, retryinterval=5, bucket=None, key=None, uploadid=None, blocksize=None, etaglist=None, localfile=None, pausepartnumber=None, mime_type=None, header=None):
"""
断点续传失败的本地文件分片
可以在调用uploadfile失败后重新续传，也可以通过传递所有需要的参数续传
@param retrycount: integer 类型，分片重传次数
@param retryinterval: integer 类型，同个分片失败重传间隔，单位秒
@param bucket: string类型, 空间名称
@param key: string类型，文件或数据在空间中的名称
@param uploadid: string类型，初始化分片获得的uploadid
@param blocksize: integer类型，分片大小
@param etaglist: list类型，元素为已经上传成功的分片的etag
@param pausepartnumber: integer类型，第一个失败分片的编号（编号从0开始）
@param localfile: string类型，本地文件名称
@param mime_type: string类型，上传数据的MIME类型
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if localfile:
self.__localfile = localfile
if blocksize:
self.blocksize = blocksize
if pausepartnumber:
self.pausepartnumber = pausepartnumber
if mime_type:
self.__mimetype = mime_type
else:
mime_type = s(Mimetype.from_file(self.__localfile))
with open(self.__localfile, 'rb') as fd:
fd.seek(self.pausepartnumber * self.blocksize, os.SEEK_SET)
return self.resumeuploadstream(retrycount, retryinterval, bucket, key, uploadid, blocksize, etaglist, fd, pausepartnumber, mime_type, header)
def private_download_url(self, bucket, key, expires=config.get_default('expires'), header=None, internal=False):
"""
从私有空间下载文件的url
@param bucket: string类型, 空间名称
@param key: string类型，下载数据在空间中的名称
@param expires: integer类型, 下载链接有效时间，单位为秒
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return string, 从私有空间下载文件和数据的url
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
if expires is not None:
expires += int(time.time())
header['Expires'] = s(str(expires))
signature = self.signature(bucket, key, 'get', header)
query = { 'UCloudPublicKey': self._public_key(),
'Expires': str(expires),
'Signature': signature }
query_str = urllib.urlencode(query)
if internal:
return 'http://{0}{1}/{2}?{3}'.format(bucket, config.get_default('download_suffix'), key, query_str)
else:
return 'http://{0}{1}/{2}?UCloudPublicKey={3}&Expires={4}&Signature={5}'.format(bucket, config.get_default('download_suffix'), key, self._public_key(), str(expires), signature)
def private_download_url(self, bucket, key, expires=config.get_default('expires'), header=None, internal=False):
"""
从私有空间下载文件的url
@param bucket: string类型, 空间名称
@param key: string类型，下载数据在空间中的名称
@param expires: integer类型, 下载链接有效时间，单位为秒
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return string, 从私有空间下载文件和数据的url
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
if expires is not None:
expires += int(time.time())
header['Expires'] = s(str(expires))
signature = self.signature(bucket, key, 'get', header)
query = { 'UCloudPublicKey': self._public_key(),
'Expires': str(expires),
'Signature': signature }
query_str = urllib.urlencode(query)
if internal:
return 'http://{0}{1}/{2}?{3}'.format(bucket, config.get_default('download_suffix'), key, query_str)
else:
return 'http://{0}{1}/{2}?UCloudPublicKey={3}&Expires={4}&Signature={5}'.format(bucket, config.get_default('download_suffix'), key, self._public_key(), str(expires), signature)
def list(self, bucket, marker, limit, header=None):
"""
@param bucket: string类型，上传空间名称
@param marker: string类型，上一次查找返回的位置信息,本次列表起始查找的文件名,默认为空
@param limit: integer类型, 每次列表返回的最大文件个数,服务端限制为1000,最新限制值请参考官方文档
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
mime_type = s(Mimetype.from_file(localfile))
file_size = os.path.getsize(localfile)
header['Content-Type'] = mime_type
authorization = self.authorization('put', bucket, key, header)
header['Authorization'] = authorization
header['Content-Length'] = str(file_size)
url = ufile_put_url(bucket, key)
logger.info('start put file {0} to bucket {1} as {2}'.format(localfile, bucket, key))
logger.info('put UFile url: {0}'.format(url))
logger.info('request header:\n{0}'.format(json.dumps(header, indent=4)))
return _put_file(url, header, localfile)
def putfile(self, bucket, key, localfile, header=None):
"""
upload localfile to bucket as key
@param bucket: string类型，上传空间名称
@param key: string 类型，上传文件在空间中的名称
@param localfile: string类型，本地文件名称
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
mime_type = s(Mimetype.from_file(localfile))
file_size = os.path.getsize(localfile)
header['Content-Type'] = mime_type
authorization = self.authorization('put', bucket, key, header)
header['Authorization'] = authorization
header['Content-Length'] = file_size
url = ufile_put_url(bucket, key)
logger.info('start put file {0} to bucket {1} as {2}'.format(
localfile, bucket, key))
logger.info('put UFile url: {0}'.format(url))
logger.info('request header:\n{0}'.format(json.dumps(header,
indent=4)))
return _put_file(url, header, localfile)
def getfilelist(self,
bucket,
prefix=None,
marker=None,
limit=None,
header=None):
"""
获取bucket下的文件列表
@param bucket: string 类型，空间名称
@param prefix: string 类型，文件前缀, 默认为空字符串
@param marker: string 类型，文件列表起始位置, 默认为空字符串
@param limit: integer 类型，文件列表数目, 默认为20
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
else:
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
header['Content-Length'] = 0
authorization = self.authorization('get', bucket, '', header)
header['Authorization'] = authorization
param = dict()
if marker is not None and (isinstance(marker, str)
or isinstance(marker, unicode)):
param['marker'] = s(marker)
if prefix is not None and (isinstance(prefix, str)
or isinstance(prefix, unicode)):
param['prefix'] = s(prefix)
if limit is not None and isinstance(limit, int):
param['limit'] = s(str(limit))
info_message = ''.join([
'start get file list from bucket {0}'.format(bucket),
'' if marker is None else ', marker: {0}'.format(
marker if isinstance(marker, str) else marker.encode('utf-8')),
'' if limit is None else ', limit: {0}'.format(limit),
'' if prefix is None else ', prefix: {0}'.format(prefix)
])
logger.info(info_message)
url = ufile_getfilelist_url(bucket)
return _getfilelist(url, header, param)
def uploadfile(self, bucket, key, localfile, retrycount=3, retryinterval=5, header=None):
"""
分片上传本地文件到空间
@param bucket: string类型，空间名称
@param key: string类型，文件在空间中的名称
@param localfile: string 类型，本地文件名称
@param retrycount: integer 类型，分片重传次数
@param retryinterval: integer 类型，同个分片失败重传间隔，单位秒
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
self.__localfile = localfile
mime_type = s(Mimetype.from_file(self.__localfile))
with open(localfile, 'rb') as fd:
return self.uploadstream(bucket, key, fd, retrycount, retryinterval, mime_type, header)
def resumeuploadfile(self,
retrycount=3,
retryinterval=5,
bucket=None,
key=None,
uploadid=None,
blocksize=None,
etaglist=None,
localfile=None,
pausepartnumber=None,
mime_type=None,
header=None):
"""
断点续传失败的本地文件分片
可以在调用uploadfile失败后重新续传，也可以通过传递所有需要的参数续传
@param retrycount: integer 类型，分片重传次数
@param retryinterval: integer 类型，同个分片失败重传间隔，单位秒
@param bucket: string类型, 空间名称
@param key: string类型，文件或数据在空间中的名称
@param uploadid: string类型，初始化分片获得的uploadid
@param blocksize: integer类型，分片大小
@param etaglist: list类型，元素为已经上传成功的分片的etag
@param pausepartnumber: integer类型，第一个失败分片的编号（编号从0开始）
@param localfile: string类型，本地文件名称
@param mime_type: string类型，上传数据的MIME类型
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if localfile:
self.__localfile = localfile
if blocksize:
self.blocksize = blocksize
if pausepartnumber:
self.pausepartnumber = pausepartnumber
if mime_type:
self.__mimetype = mime_type
else:
mime_type = s(Mimetype.from_file(self.__localfile))
with open(self.__localfile, 'rb') as fd:
fd.seek(self.pausepartnumber * self.blocksize, os.SEEK_SET)
return self.resumeuploadstream(retrycount, retryinterval, bucket,
key, uploadid, blocksize, etaglist,
fd, pausepartnumber, mime_type,
header)
def postfile(self, bucket, key, localfile, header=None):
"""
表单上传文件到UFile空间
@param bucket: string类型，上传空间名称
@param key: string 类型，上传文件在空间中的名称
@param localfile: string类型，本地文件名称
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
mime_type = s(Mimetype.from_file(localfile))
# update the request header content-type
boundary = self.__make_boundary()
header['Content-Type'] = 'multipart/form-data; boundary={0}'.format(
boundary)
# form fields
authorization = self.authorization('post', bucket, key, header,
mime_type)
fields = dict()
fields['FileName'] = key
fields['Authorization'] = authorization
with open(localfile, 'rb') as stream:
postdata = self.__make_postbody(boundary, fields, stream,
mime_type, localfile)
# update the request header content-length
header['Content-Length'] = str(len(postdata))
# post url
url = ufile_post_url(bucket)
# start post file
logger.info('start post file {0} to bucket {1} as {2}'.format(
localfile, bucket, key))
logger.info('post url is {0}'.format(url))
return _post_file(url, header, postdata)
def postfile(self, bucket, key, localfile, header=None):
"""
表单上传文件到UFile空间
@param bucket: string类型，上传空间名称
@param key: string 类型，上传文件在空间中的名称
@param localfile: string类型，本地文件名称
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
_check_dict(header)
if "User-Agent" not in header:
header["User-Agent"] = config.get_default("user_agent")
mime_type = s(Mimetype.from_file(localfile))
# update the request header content-type
boundary = self.__make_boundary()
header["Content-Type"] = "multipart/form-data; boundary={0}".format(boundary)
# form fields
authorization = self.authorization("post", bucket, key, header, mime_type)
fields = dict()
fields["FileName"] = key
fields["Authorization"] = authorization
with open(localfile, "rb") as stream:
postdata = self.__make_postbody(boundary, fields, stream, mime_type, localfile)
# update the request header content-length
header["Content-Length"] = len(postdata)
# post url
url = ufile_post_url(bucket)
# start post file
logger.info("start post file {0} to bucket {1} as {2}".format(localfile, bucket, key))
logger.info("post url is {0}".format(url))
return _post_file(url, header, postdata)
def uploadhit(self, bucket, key, localfile, header=None):
"""
尝试秒传文件到UFile空间
@param bucket: string类型，上传空间名称
@param key: string 类型，上传文件在空间中的名称
@param localfile: string类型，本地文件名称
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
if header is None:
header = dict()
_check_dict(header)
if 'User-Agent' not in header:
header['User-Agent'] = config.get_default('user_agent')
filesize = os.path.getsize(localfile)
fileetags = file_etag(localfile, BLOCKSIZE)
mimetype = s(Mimetype.from_file(localfile))
# update request header
header['Content-Type'] = mimetype
header['Content-Length'] = 0
authorization = self.authorization('post', bucket, key, header)
header['Authorization'] = authorization
# parameter
params = {'Hash': fileetags,
'FileName': key,
'FileSize': filesize}
url = ufile_uploadhit_url(bucket)
logger.info('start upload hit localfile {0} as {1} in bucket {2}'.format(localfile, key, bucket))
logger.info('request url: {0}'.format(url))
return _uploadhit_file(url, header, params)
def uploadfile(self,
bucket,
key,
localfile,
retrycount=3,
retryinterval=5,
header=None):
"""
分片上传本地文件到空间
@param bucket: string类型，空间名称
@param key: string类型，文件在空间中的名称
@param localfile: string 类型，本地文件名称
@param retrycount: integer 类型，分片重传次数
@param retryinterval: integer 类型，同个分片失败重传间隔，单位秒
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
self.__localfile = localfile
mime_type = s(Mimetype.from_file(self.__localfile))
with open(localfile, 'rb') as fd:
return self.uploadstream(bucket, key, fd, retrycount,
retryinterval, mime_type, header)
def uploadstream(self, bucket, key, stream, retrycount=3, retryinterval=5, mime_type=None, header=None):
"""
分片上传二进制数据流到UFile空间
@param bucket: 空间名称
@param key: 上传数据在空间中的名称
@param stream: file-like 对象或者二进制数据流
@param mime_type: 上传数据的MIME类型
@param retrycount: integer 类型，分片重传次数
@param retryinterval: integer 类型，同个分片失败重传间隔，单位秒
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
self.__bucket = bucket
self.__key = key
self.etaglist = []
self.uploadid = None
self.blocksize = None
self.__header = header
self.__stream = stream
self.pausepartnumber = 0
if self.__header is None:
self.__header = dict()
else:
_check_dict(self.__header)
if 'User-Agent' not in self.__header:
self.__header['User-Agent'] = config.get_default('user_agent')
# initial sharding request
ret, resp = self.__initialsharding()
if resp.ok():
self.uploadid = ret.get('UploadId')
self.blocksize = ret.get('BlkSize')
logger.info('multipart upload id: {0}'.format(self.uploadid))
else:
logger.error('multipar upload init failed. error message: {0}'.format(resp.error))
return ret, resp
# mulitple sharding upload
if mime_type is None:
if hasattr(self.__stream, 'seek') and hasattr(self.__stream, 'read'):
self.__mimetype = s(Mimetype.from_buffer(self.__stream.read(1024)))
self.__stream.seek(0, os.SEEK_SET)
else:
self.__mimetype = 'application/octec-stream'
else:
self.__mimetype = mime_type
self.__header['Content-Type'] = self.__mimetype
authorization = self.authorization('put', self.__bucket, self.__key, self.__header)
self.__header['Authorization'] = authorization
for data in _file_iter(self.__stream, self.blocksize):
url = shardingupload_url(self.__bucket, self.__key, self.uploadid, self.pausepartnumber)
ret = None
resp = None
for index in range(retrycount):
logger.info('try {0} time sharding upload sharding {1}'.format(index + 1, self.pausepartnumber))
logger.info('sharding url:{0}'.format(url))
ret, resp = _shardingupload(url, data, self.__header)
if not resp.ok():
logger.error('failed {0} time when upload sharding {1}.error message: {2}, uploadid: {3}'.format(index + 1, self.pausepartnumber, resp.error, self.uploadid))
if index < retrycount - 1:
time.sleep(retryinterval)
else:
break
if not resp.ok():
logger.error('upload sharding {0} failed. uploadid: {1}'.format(self.pausepartnumber, self.uploadid))
return ret, resp
logger.info('upload sharding {0} succeed.etag:{1}, uploadid: {2}'.format(self.pausepartnumber, resp.etag, self.uploadid))
self.pausepartnumber += 1
self.etaglist.append(resp.etag)
logger.info('start finish sharding request.')
ret, resp = self.__finishupload()
if not resp.ok():
logger.error('multipart upload failed. uploadid:{0}, pausepartnumber: {1}, key: {2} FAIL!!!'.format(self.uploadid, self.pausepartnumber, self.__key))
else:
logger.info('mulitpart upload succeed. uploadid: {0}, key: {1} SUCCEED!!!'.format(self.uploadid, self.__key))
return ret, resp
def uploadstream(self,
bucket,
key,
stream,
retrycount=3,
retryinterval=5,
mime_type=None,
header=None):
"""
分片上传二进制数据流到UFile空间
@param bucket: 空间名称
@param key: 上传数据在空间中的名称
@param stream: file-like 对象或者二进制数据流
@param mime_type: 上传数据的MIME类型
@param retrycount: integer 类型，分片重传次数
@param retryinterval: integer 类型，同个分片失败重传间隔，单位秒
@param header: dict类型，http 请求header，键值对类型分别为string，比如{'User-Agent': 'Google Chrome'}
@return ret: 如果http状态码为[200, 204, 206]之一则返回None，否则如果服务器返回json信息则返回dict类型，键值对类型分别为string, unicode string类型，否则返回空的dict
@return ResponseInfo: 响应的具体信息，UCloud UFile 服务器返回信息或者网络链接异常
"""
self.__bucket = bucket
self.__key = key
self.etaglist = []
self.uploadid = None
self.blocksize = None
self.__header = header
self.__stream = stream
self.pausepartnumber = 0
if self.__header is None:
self.__header = dict()
else:
_check_dict(self.__header)
if 'User-Agent' not in self.__header:
self.__header['User-Agent'] = config.get_default('user_agent')
# initial sharding request
ret, resp = self.__initialsharding()
if resp.ok():
self.uploadid = ret.get('UploadId')
self.blocksize = ret.get('BlkSize')
logger.info('multipart upload id: {0}'.format(self.uploadid))
else:
logger.error(
'multipar upload init failed. error message: {0}'.format(
resp.error))
return ret, resp
# mulitple sharding upload
if mime_type is None:
if hasattr(self.__stream, 'seek') and hasattr(
self.__stream, 'read'):
self.__mimetype = s(
Mimetype.from_buffer(self.__stream.read(1024)))
self.__stream.seek(0, os.SEEK_SET)
else:
self.__mimetype = 'application/octec-stream'
else:
self.__mimetype = mime_type
self.__header['Content-Type'] = self.__mimetype
authorization = self.authorization('put', self.__bucket, self.__key,
self.__header)
self.__header['Authorization'] = authorization
for data in _file_iter(self.__stream, self.blocksize):
url = shardingupload_url(self.__bucket, self.__key, self.uploadid,
self.pausepartnumber)
ret = None
resp = None
for index in range(retrycount):
logger.info('try {0} time sharding upload sharding {1}'.format(
index + 1, self.pausepartnumber))
logger.info('sharding url:{0}'.format(url))
ret, resp = _shardingupload(url, data, self.__header)
if not resp.ok():
logger.error(
'failed {0} time when upload sharding {1}.error message: {2}, uploadid: {3}'
.format(index + 1, self.pausepartnumber, resp.error,
self.uploadid))
if index < retrycount - 1:
time.sleep(retryinterval)
else:
break
if not resp.ok():
logger.error(
'upload sharding {0} failed. uploadid: {1}'.format(
self.pausepartnumber, self.uploadid))
return ret, resp
logger.info(
'upload sharding {0} succeed.etag:{1}, uploadid: {2}'.format(
self.pausepartnumber, resp.etag, self.uploadid))
self.pausepartnumber += 1
self.etaglist.append(resp.etag)
logger.info('start finish sharding request.')
ret, resp = self.__finishupload()
if not resp.ok():
logger.error(
'multipart upload failed. uploadid:{0}, pausepartnumber: {1}, key: {2} FAIL!!!'
.format(self.uploadid, self.pausepartnumber, self.__key))
else:
logger.info(
'mulitpart upload succeed. uploadid: {0}, key: {1} SUCCEED!!!'.
format(self.uploadid, self.__key))
return ret, resp