1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
import os, json, atexit
from .functions import _get_vars
class State:
def __init__(self, default: dict = None, **kwargs):
file, = _get_vars([
('file', 'STATE_FILE')
], kwargs)
if default is None:
default = {}
elif type(default) is not dict:
raise TypeError('default must be dictionary')
if not os.path.exists(file):
self._data = default
else:
with open(file, 'r') as f:
self._data = json.loads(f.read())
self._file = file
atexit.register(self.__cleanup)
def __cleanup(self):
if hasattr(self, '_file'):
with open(self._file, 'w') as f:
f.write(json.dumps(self._data))
atexit.unregister(self.__cleanup)
def __del__(self):
if 'open' in __builtins__:
self.__cleanup()
def __getitem__(self, key):
return self._data[key]
def __setitem__(self, key, value):
self._data[key] = value
def __delitem__(self, key):
if key in self._data:
del self._data[key]
|
