Files
coding-agent-gitea/core/agent.py

119 lines
4.4 KiB
Python

import asyncio
import logging
import lmstudio as lms
from typing import Any, Callable
from .prompt import CAVEMAN_PROMPT
logger: logging.Logger = logging.getLogger("agent-base")
class _ActResponseCapture:
"""Captures the AI response from LMStudio act() callback."""
def __init__(self) -> None:
self.responses: list[str] = []
def __call__(self, message: Any) -> None:
content: str = ""
if hasattr(message, 'content'):
content = message.content
elif hasattr(message, 'text'):
content = message.text
elif hasattr(message, 'response'):
content = message.response
elif hasattr(message, 'message'):
content = message.message
else:
return
if isinstance(content, list):
parts: list[str] = []
for item in content:
if isinstance(item, dict):
text: str = item.get('text', '')
if isinstance(text, list):
parts.extend([str(t) for t in text])
else:
parts.append(str(text))
elif isinstance(item, str):
parts.append(item)
elif hasattr(item, 'text'):
parts.append(str(item.text))
elif hasattr(item, 'content'):
parts.append(str(item.content))
content = ''.join(parts)
elif not isinstance(content, str):
content = str(content)
if content.strip():
self.responses.append(content.strip())
@property
def full_response(self) -> str:
return '\n'.join(self.responses) if self.responses else "No response captured."
class BaseAgent:
"""Base AI agent implementing common LMStudio interaction patterns."""
def __init__(self, model_name: str) -> None:
self.model_name: str = model_name
self.model: Any | None = None
self.system_prompt: str = ""
async def initialize(self) -> None:
"""Initialize the LM Studio model."""
logger.info(f"Initializing agent with model: {self.model_name}")
self.model = lms.llm(self.model_name)
async def run(self, user_input: str) -> str:
"""Run a single interaction with the agent."""
if self.model is None:
await self.initialize()
if self.model is None:
raise RuntimeError("Model initialization failed: model is None")
messages: list[dict[str, str]] = [
{"role": "system", "content": self.system_prompt},
{"role": "user", "content": user_input},
]
try:
logger.info(f"Running agent interactively (input length: {len(user_input)})")
response = await self.model.respond(user_input, messages=messages)
logger.info(f"Agent responded successfully (response length: {len(response)})")
return response
except Exception as e:
logger.error(f"Agent execution error: {e}")
return f"Error in agent execution: {str(e)}"
async def run_with_tools(self, user_input: str, tools: list[Any]) -> str:
"""Run the agent with tool calling capability."""
if self.model is None:
await self.initialize()
if self.model is None:
raise RuntimeError("Model initialization failed: model is None")
try:
capture = _ActResponseCapture()
logger.info(f"Calling LMStudio act() on agent with {len(tools)} tools...")
result: lms.ActResult = self.model.act(user_input, tools=tools, on_message=capture)
logger.info(f"act() on agent returned: {result}")
response: str = capture.full_response
if not response or response == "No response captured.":
logger.warning(f"Act completed with {result.rounds} rounds but no response was captured.")
return f"Act completed with {result.rounds} rounds but no response captured."
return response
except Exception as e:
logger.error(f"Agent tool execution error: {e}")
return f"Error in agent tool execution: {str(e)}"
class CavemanAgent(BaseAgent):
"""Caveman AI agent - minimal token usage variant."""
def __init__(self, model_name: str) -> None:
super().__init__(model_name)
self.system_prompt: str = CAVEMAN_PROMPT