various improvements and new plugins

bot/plugins/plugin.py

@@ -0,0 +1,30 @@
+from abc import abstractmethod, ABC
+from typing import Dict
+
+
+class Plugin(ABC):
+    """
+    A plugin interface which can be used to create plugins for the ChatGPT API.
+    """
+
+    @abstractmethod
+    def get_source_name(self) -> str:
+        """
+        Return the name of the source of the plugin.
+        """
+        pass
+
+    @abstractmethod
+    def get_spec(self) -> Dict:
+        """
+        Function spec in the form of JSON schema as specified in the OpenAI documentation:
+        https://platform.openai.com/docs/api-reference/chat/create#chat/create-functions
+        """
+        pass
+
+    @abstractmethod
+    async def execute(self, **kwargs) -> Dict:
+        """
+        Execute the plugin and return a JSON serializable response
+        """
+        pass