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import os
import json
import atexit
from ._base import get_data_root_directory
class SimpleState:
def __init__(self,
name: str,
default: dict = None):
if default is None:
default = {}
elif type(default) is not dict:
raise TypeError('default must be dictionary')
path = os.path.join(get_data_root_directory(), name)
if not os.path.exists(path):
self._data = default
else:
with open(path, 'r') as f:
self._data = json.loads(f.read())
self._file = path
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 __contains__(self, key):
return key in self._data
def __delitem__(self, key):
if key in self._data:
del self._data[key]
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