1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
from collections import OrderedDict
from collections.abc import Mapping
from typing import Tuple
class Serializable:
_state_dict_all_req_keys: Tuple = ()
_state_dict_one_of_opt_keys: Tuple = ()
def state_dict(self) -> OrderedDict:
raise NotImplementedError
def load_state_dict(self, state_dict: Mapping) -> None:
if not isinstance(state_dict, Mapping):
raise TypeError(f"Argument state_dict should be a dictionary, but given {type(state_dict)}")
for k in self._state_dict_all_req_keys:
if k not in state_dict:
raise ValueError(
f"Required state attribute '{k}' is absent in provided state_dict '{state_dict.keys()}'"
)
opts = [k in state_dict for k in self._state_dict_one_of_opt_keys]
if len(opts) > 0 and ((not any(opts)) or (all(opts))):
raise ValueError(f"state_dict should contain only one of '{self._state_dict_one_of_opt_keys}' keys")
|
