allow human to play any roles

metagpt/provider/human_gpt.py

@@ -0,0 +1,35 @@
+'''
+Filename: MetaGPT/metagpt/provider/human_speaker.py
+Created Date: Wednesday, November 8th 2023, 11:55:46 pm
+Author: garylin2099
+'''
+from typing import Optional
+from metagpt.provider.base_gpt_api import BaseGPTAPI
+from metagpt.logs import logger
+
+class HumanGPT(BaseGPTAPI):
+    """A dummy GPT that actually takes in human input as its response.
+    This enables replacing LLM anywhere in the framework with a human, thus introducing human interaction
+    """
+
+    def ask(self, msg: str) -> str:
+        logger.info("It's your turn, please type in your response. You may also refer to the context below")
+        rsp = input(msg)
+        if rsp in ["exit", "quit"]:
+            exit()
+        return rsp
+
+    async def aask(self, msg: str, system_msgs: Optional[list[str]] = None) -> str:
+        return self.ask(msg)
+
+    def completion(self, messages: list[dict]):
+        """dummy implementation of abstract method in base"""
+        return []
+
+    async def acompletion(self, messages: list[dict]):
+        """dummy implementation of abstract method in base"""
+        return []
+
+    async def acompletion_text(self, messages: list[dict], stream=False) -> str:
+        """dummy implementation of abstract method in base"""
+        return []