Add PN_CACHE env value

- Add ENV abstract class to static
- Init static.env
- Add PN_CACHE env

tubot/db/cache.py

@@ -7,20 +7,20 @@
 # Imports
 from tubot.db.abc import CacheDB
 from tubot.db.types import CacheDBTypes, UserStates, User
+from tubot.static.env import PN_CACHE
 from pickle import loads, dumps
 from aiofiles.ospath import isdir, isfile
 from aiofiles.os import mkdir
 from aiofiles import open
 from asyncio import sleep
 
-CACHE_DIR = "foo"  # УДАЛИ ПОТОМ ЕБЛАН
-
 
 class PythonCache(CacheDB):
     """
     Native python implementation of Cache DataBase
     """
 
+    CACHE_DIR = PN_CACHE()()
     _ctype = CacheDBTypes.PythonPKL
     users: dict
     dirs: dict
@@ -31,7 +31,7 @@ class PythonCache(CacheDB):
     async def _init(self) -> bool:
         self.users = {}
         self.dirs = {}
-        if await isfile(f"{CACHE_DIR}/user_cache.pkl"):
+        if await isfile(f"{self.CACHE_DIR}/user_cache.pkl"):
             try:
                 await self._load_pkl()
             except Exception:
@@ -39,17 +39,17 @@ class PythonCache(CacheDB):
         return True
 
     async def _load_pkl(self) -> None:
-        if not await isdir(CACHE_DIR):
-            await mkdir(CACHE_DIR)
-        async with open(f"{CACHE_DIR}/user_cache.pkl", "rb") as file:
+        if not await isdir(self.CACHE_DIR):
+            await mkdir(self.CACHE_DIR)
+        async with open(f"{self.CACHE_DIR}/user_cache.pkl", "rb") as file:
             buffer = await file.read()
             pkl = loads(buffer)
             self.users = pkl
 
     async def _save_pkl(self) -> None:
-        if not await isdir(CACHE_DIR):
-            await mkdir(CACHE_DIR)
-        async with open(f"{CACHE_DIR}/user_cache.pkl", "wb") as file:
+        if not await isdir(self.CACHE_DIR):
+            await mkdir(self.CACHE_DIR)
+        async with open(f"{self.CACHE_DIR}/user_cache.pkl", "wb") as file:
             await file.write(dumps(self.users))
 
     async def __validate__(self) -> bool:

tubot/static/abc.py

@@ -6,6 +6,7 @@
 
 # Imports
 from abc import ABC, abstractmethod
+from os import environ
 
 
 class IValidatable(ABC):
@@ -22,3 +23,28 @@ class IValidatable(ABC):
         :return: Object validity boolean
         """
         raise NotImplementedError
+
+
+class ENV(object):
+
+    _name: str | None = None
+    DEFAULT: str
+
+    def __init__(self) -> None:
+        if self._name is None or self.DEFAULT is None:
+            raise NotImplementedError
+
+    @property
+    def from_os(self) -> str | None:
+        if self._name is not None:
+            return environ.get(self._name)
+
+    @property
+    def value(self) -> str:
+        val = self.from_os
+        if val is not None:
+            return val
+        return self.DEFAULT
+
+    def __call__(self) -> str:
+        return self.value

tubot/static/env.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+
+############
+# ENV Vars #
+############
+
+# Imports
+from tubot.static.abc import ENV
+
+
+class PN_CACHE(ENV):
+    """
+    Python Native Cache dir
+    """
+
+    _name = "PN_CACHE"
+    DEFAULT = "/etc/tubot"