class Archive(object):
def __init__(self, root_path):
assert path.isdir(root_path)
self.root_path = root_path
self.data_pool = BlobDB(path.join(root_path, 'objects'))
def open_version_read(self, n):
return open(path.join(self.root_path, 'versions/%d' % n), 'rb')
def open_version_write(self, n):
return open(path.join(self.root_path, 'versions/%d' % n), 'wb')
def get_latest_version(self):
versions_path = path.join(self.root_path, 'versions')
return max(int(v) for v in os.listdir(versions_path))
def __contains__(self, checksum):
return checksum in self.data_pool
def read_file(self, checksum):
return self.data_pool.read_file(checksum)
def write_file(self, checksum):
return self.data_pool.write_file(checksum)
def __init__(self, root_path):
assert path.isdir(root_path)
self.root_path = root_path
self.data_pool = BlobDB(path.join(root_path, 'objects'))