2020-11-29 21:52:28 +01:00

74 lines
1.9 KiB
Python

import json
import time
import os
import shutil
class Variables():
""""""
def __init__(self, module_name, file_name="persistence/persistent_vars.json", init_name="persistence/persistent_init.json", ):
self.path = file_name
self.init_path = init_name
self.module = module_name
self.last_action = ""
# last performed action, if only reads are made, then the underlying var has not been changed
# and doesn't need to be read again
self.savefile = {}
if not os.path.exists(self.path):
shutil.copy(self.init_path, self.path)
def global_action(self, action, name, value=""):
old = self.module
self.module = "global"
action = getattr(self, action)
if value != "":
ret = action(name,value)
else:
ret = action(name)
self.module = old
return ret
def write(self, name, value):
pre = self.read("")
pre[self.module][name] = value
try:
file = open(self.path,"w")
json.dump(pre, file)
file.close()
self.last_action = "write"
except:
print("Config not written - critical")
def read(self, name):
if self.last_action == "read":
vars = self.savefile
else:
file = open(self.path,"r")
vars = json.load(file)
file.close()
self.savefile = vars
self.last_action = "read"
if name != "":
vars = vars[self.module][name]
return vars
def increment(self, name, inc=1):
pre = self.read(name)
if pre:
self.write(name, pre + inc)
else:
self.write(name, inc)
def append_list(self, name, value):
pre = self.read(name)
pre.append(value)
self.write(name, pre)