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flyapps/fir_ser/common/cache/state.py

55 lines
1.2 KiB

#!/usr/bin/env python
# -*- coding:utf-8 -*-
# project: 12月
# author: NinEveN
# date: 2021/12/22
import logging
import time
from django.core.cache import cache
logger = logging.getLogger(__name__)
class CacheBaseState(object):
def __init__(self, key, value=time.time(), timeout=3600 * 24):
self.key = f"CacheBaseState_{self.__class__.__name__}_{key}"
self.value = value
self.timeout = timeout
self.active = False
def get_state(self):
return cache.get(self.key)
def del_state(self):
return cache.delete(self.key)
def __enter__(self):
if cache.get(self.key):
return False
else:
cache.set(self.key, self.value, self.timeout)
self.active = True
return True
def __exit__(self, exc_type, exc_val, exc_tb):
if self.active:
cache.delete(self.key)
logger.info(f"cache base state __exit__ {exc_type}, {exc_val}, {exc_tb}")
class MigrateStorageState(CacheBaseState):
...
class CleanSignDataState(CacheBaseState):
...
class CleanAppSignDataState(CacheBaseState):
...
class CleanErrorBundleIdSignDataState(CacheBaseState):
...