def __init__(self, bucket=BUCKET_NAME,
bucket_url=BUCKET_URL,
enable_link_token=ENABLE_LINK_TOKEN,
link_token=LINK_TOKEN,
link_expiration=LINK_EXPIRATION,
operator_name=OPERATOR_NAME,
operator_password=OPERATOR_PASSWORD):
self.bucket = bucket
self.operator_name = operator_name
self.operator_password = operator_password
self.bucket_url = bucket_url
self.enable_link_token = enable_link_token
self.link_token = link_token
self.link_expiration = link_expiration
if not bucket or not operator_name or not operator_password:
raise ImproperlyConfigured('bucket , opeartor_name, operator_password is requied')
self.upyun_client = UpYun(self.bucket, self.operator_name, self.operator_password)
