Add DirectoryGetter abstract class

- init dirgetter module
- init dirgetter.types
- init girgetter.abc
- Add DirGetter absctract class

tubot/dirgetter/abc.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+
+############################################
+# Directory-Getter module abstract classes #
+############################################
+
+# Imports
+from abc import ABC, abstractmethod
+from tubot.static.abc import IValidatable
+from tubot.dirgetter.types import GetterTypes
+
+
+class DirGetter(IValidatable, ABC):
+
+    _gtype: GetterTypes
+
+    def __init__(self) -> None:
+        if self._gtype is None:
+            raise NotImplementedError("DirGetter type is not implemented")
+
+    @property
+    @abstractmethod
+    async def folders(self) -> dict:
+        """
+        Returns a dictionary of media folders {name: path}
+
+        :return: Dict of media folders
+        """
+        raise NotImplementedError

tubot/dirgetter/types.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+
+#####################################
+# Types for Directory-Getter module #
+#####################################
+
+# Imports
+from enum import Enum
+
+
+class GetterTypes(Enum):
+    """
+    Types of getters
+    """
+
+    OS = "Python os module"
+    Jellyfin = "Jelyfin API"