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#! /usr/bin/env python
from abc import abstractmethod
class BlobTable:
@abstractmethod
def __init__(self):
pass
# client
# server
@abstractmethod
def get_blob_list(self, container=None):
# return a dict {blobname:rev}
# if container is not None , only return blobs in that container
pass
# client
# server
@abstractmethod
def get_blob_info(self, blobname, attr=None):
# if the blobname doesn't exist, return None
if attr is None:
# return blob info
pass
else:
# return specific attribute
pass
# server
@abstractmethod
def create_container(self, container):
pass
# server
@abstractmethod
def del_container(self, container):
pass
# server
@abstractmethod
def get_container_list(self):
# return a set of container
pass
# client
# server
@abstractmethod
def update_blob(self, blobname, info):
pass
# client
# server
@abstractmethod
def del_blob(self, blobname):
pass
"""
info:
rev (int)
container (str)
metadata (str)
size (???)
commit_time (???)
"""
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