StarRailCopilot/module/webui/setting.py
2023-05-14 15:48:34 +08:00

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import multiprocessing
import threading
from multiprocessing.managers import SyncManager
from typing import TYPE_CHECKING, Callable, Generic, TypeVar
if TYPE_CHECKING:
from module.config.config_updater import ConfigUpdater
from module.webui.config import DeployConfig
T = TypeVar("T")
class cached_class_property(Generic[T]):
"""
Code from https://github.com/dssg/dickens
Add typing support
Descriptor decorator implementing a class-level, read-only
property, which caches its results on the class(es) on which it
operates.
Inheritance is supported, insofar as the descriptor is never hidden
by its cache; rather, it stores values under its access name with
added underscores. For example, when wrapping getters named
"choices", "choices_" or "_choices", each class's result is stored
on the class at "_choices_"; decoration of a getter named
"_choices_" would raise an exception.
"""
class AliasConflict(ValueError):
pass
def __init__(self, func: Callable[..., T]):
self.__func__ = func
self.__cache_name__ = '_{}_'.format(func.__name__.strip('_'))
if self.__cache_name__ == func.__name__:
raise self.AliasConflict(self.__cache_name__)
def __get__(self, instance, cls=None) -> T:
if cls is None:
cls = type(instance)
try:
return vars(cls)[self.__cache_name__]
except KeyError:
result = self.__func__(cls)
setattr(cls, self.__cache_name__, result)
return result
class State:
"""
Shared settings
"""
_init = False
_clearup = False
restart_event: threading.Event = None
manager: SyncManager = None
electron: bool = False
theme: str = "default"
@classmethod
def init(cls):
cls.manager = multiprocessing.Manager()
cls._init = True
@classmethod
def clearup(cls):
cls.manager.shutdown()
cls._clearup = True
@cached_class_property
def deploy_config(self) -> "DeployConfig":
"""
Returns:
DeployConfig
"""
from module.webui.config import DeployConfig
return DeployConfig()
@cached_class_property
def config_updater(self) -> "ConfigUpdater":
"""
Returns:
ConfigUpdater
"""
from module.config.config_updater import ConfigUpdater
return ConfigUpdater()