def initiate_multipart_upload(self, key_name, acl=None, metadata={}, mimetype=None,
headers={}):
''' 初始化分片上传
return type : dict
{
u'UploadId': u'535dd723761d4f14a7210945cd7dea11',
u'Key': u'test-python.zip',
u'Bucket': u'create-a-bucket'
}
'''
headers = headers.copy()
if mimetype:
headers["Content-Type"] = str(mimetype)
elif "Content-Type" not in headers:
headers["Content-Type"] = guess_mimetype(key_name)
headers.update(metadata_headers(metadata))
if acl: headers["X-AMZ-ACL"] = acl
headers["Content-Length"] = "0"
scsreq = self.request(method="POST", key=key_name, headers=headers, subresource='multipart')
scsResponse = self.send(scsreq)
initMultipartUploadResult = json.loads(scsResponse.read())
scsResponse.close()
multipart = MultipartUpload(self)
multipart.upload_id = initMultipartUploadResult["UploadId"]
multipart.bucket_name = initMultipartUploadResult["Bucket"]
multipart.key_name = initMultipartUploadResult["Key"]
multipart.init_multipart_response = scsResponse
return multipart
def put_relax(self,key,sina_sha1, s_sina_length, acl=None,
metadata={}, mimetype=None,headers={}):
'''
上传接口Relax
REST型PUT上传，但不上传具体的文件内容。而是通过SHA-1值对系统内文件进行复制。
'''
if isinstance(sina_sha1, unicode):
sina_sha1 = sina_sha1.encode(self.default_encoding)
headers = headers.copy()
if mimetype:
headers["Content-Type"] = str(mimetype)
elif "Content-Type" not in headers:
headers["Content-Type"] = guess_mimetype(key)
if sina_sha1 == None:
raise ValueError("sina_sha1 must not None!!")
if "s-sina-sha1" not in headers:
headers["s-sina-sha1"] = sina_sha1
if s_sina_length == 0:
raise ValueError("s_sina_length must bigger than 0!!")
if "s-sina-length" not in headers:
headers["s-sina-length"] = s_sina_length
headers.update(metadata_headers(metadata))
if acl: headers["X-AMZ-ACL"] = acl
if "Content-Length" not in headers:
headers["Content-Length"] = 0
scsreq = self.request(method="PUT", key=key, headers=headers,subresource='relax')
return self.send(scsreq).close()
def put(self, key, data=None, acl=None, metadata={}, mimetype=None,
transformer=None, headers={},args=None,subresource=None):
if isinstance(data, unicode):
data = data.encode(self.default_encoding)
headers = headers.copy()
if mimetype:
headers["Content-Type"] = str(mimetype)
elif "Content-Type" not in headers:
headers["Content-Type"] = guess_mimetype(key)
headers.update(metadata_headers(metadata))
if acl: headers["X-AMZ-ACL"] = acl
if transformer: data = transformer(headers, data)
if "Content-Length" not in headers:
# if isinstance(data, file) isinstance(data, FileChunkIO):
if hasattr(data,'fileno'):
headers["Content-Length"] = str(getSize(data.name))
elif hasattr(data,'__len__'):
headers["Content-Length"] = str(len(data))
else:
raise ValueError("Content-Length must be defined!!")
# if "s-sina-sha1" not in headers:
# headers["s-sina-sha1"] = aws_md5(data)
scsreq = self.request(method="PUT", key=key, data=data, headers=headers,
args=args, subresource=subresource)
scsResponse = self.send(scsreq)
return scsResponse
def acl_info(self, key, mimetype=None, headers={}):
'''
获取文件的acl信息
'''
headers = headers.copy()
if mimetype:
headers["Content-Type"] = str(mimetype)
elif "Content-Type" not in headers:
headers["Content-Type"] = guess_mimetype(key)
if "Content-Length" not in headers:
headers["Content-Length"] = 0
scsreq = self.request(key=key, args={'formatter':'json'}, headers=headers, subresource='acl')
scsResponse = self.send(scsreq)
aclResult = json.loads(scsResponse.read())
scsResponse.close()
return aclResult
def copy(self, source, key, acl=None, metadata=None,
mimetype=None, headers={}):
"""
注意：
source 必须从bucket开始，如：'/cloud0/aaa.txt'
"""
headers = headers.copy()
headers.update({"Content-Type": mimetype or guess_mimetype(key)})
if "Content-Length" not in headers:
headers["Content-Length"] = 0
headers["X-AMZ-Copy-Source"] = source
if acl: headers["X-AMZ-ACL"] = acl
if metadata is not None:
headers["X-AMZ-Metadata-Directive"] = "REPLACE"
headers.update(metadata_headers(metadata))
else:
headers["X-AMZ-Metadata-Directive"] = "COPY"
return self.send(self.request(method="PUT", key=key, headers=headers)).close()
def update_meta(self, key, metadata={}, remove_metadata=[], acl=None,
mimetype=None, headers={}):
'''
更新文件meta信息
删除meta功能暂时不可用
'''
headers = headers.copy()
if mimetype:
headers["Content-Type"] = str(mimetype)
elif "Content-Type" not in headers:
headers["Content-Type"] = guess_mimetype(key)
headers.update(metadata_headers(metadata))
headers.update(metadata_remove_headers(remove_metadata))
if acl: headers["X-AMZ-ACL"] = acl
if "Content-Length" not in headers:
headers["Content-Length"] = 0
scsreq = self.request(method="PUT", key=key, headers=headers, subresource='meta')
return self.send(scsreq).close()
def complete_multipart_upload(self, multipart):
jsonArray = []
for part in multipart.parts:
jsonDict = {}
jsonDict['PartNumber']=part.part_num
jsonDict['ETag']=part.etag
jsonArray.append(jsonDict)
data = json.dumps(jsonArray)
headers = {}
headers["Content-Type"] = guess_mimetype(multipart.key_name)
headers["Content-Length"] = str(len(data))
if "s-sina-sha1" not in headers:
headers["s-sina-sha1"] = aws_md5(data)
scsreq = self.request(method="POST", data=data, headers=headers, key=multipart.key_name, args={'uploadId':multipart.upload_id})
scsResponse = self.send(scsreq)
return scsResponse.close()
