def _get_from_token(self, token):
attrs = token.split(':')
# "type_name:path/to/ref"
if len(attrs) == 2:
type_name = attrs[0]
path = attrs[1]
backend = self._get_backend(type_name)
return backend[path]
# "type_name:path/to/ref:n0c0ffee"
elif len(attrs) == 3:
type_name = attrs[0]
path = attrs[1]
hash = attrs[2]
backend = self._get_backend(type_name)
ref = backend[path]
if ref.hash[:8] == hash:
return ref
else:
raise RefHashMismatchError(
"{}: hash does not match with: {}".format(
token, ref.token))
else:
return None
def _get_from_token(self, token):
attrs = token.split(":")
# "type_name:path/to/ref"
if len(attrs) == 2:
type_name = attrs[0]
path = attrs[1]
backend = self._get_backend(type_name)
return backend[path]
# "type_name:path/to/ref:n0c0ffee"
elif len(attrs) == 3:
type_name = attrs[0]
path = attrs[1]
hash = attrs[2]
if hash == "embedded":
return self.ref_from_embedded(type_name, path)
else:
backend = self._get_backend(type_name)
ref = backend[path]
if ref.hash[:8] == hash:
return ref
else:
raise RefHashMismatchError(
"{}: token hash does not match with stored reference hash: {}"
.format(token, ref.token))
else:
return None