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|
import json
from context import ContextBuilder
from identity import AgentIdentity, UserProfile
from llm import LLM
from tools import ToolRegistry
class Agent:
def __init__(
self,
llm: LLM,
agent_identity: AgentIdentity,
user_profile: UserProfile,
tools: ToolRegistry,
) -> None:
self.llm = llm
self.tools = tools
self.context = ContextBuilder(
agent_identity,
user_profile,
)
self.messages: list[dict[str, object]] = [
{
"role": "system",
"content": self.context.build_system_prompt(),
}
]
def chat(self, user_input: str) -> str:
self.messages.append(
{
"role": "user",
"content": user_input,
}
)
for _ in range(5):
response = self.llm.chat(
self.messages,
tools=self.tools.schemas(),
)
if response.tool_calls:
print(f"\n[tool call: {response.tool_calls}]\n")
if not response.tool_calls:
answer = response.content or ""
self.messages.append(
{
"role": "assistant",
"content": answer,
}
)
return answer
self.messages.append(
{
"role": "assistant",
"content": response.content,
"tool_calls": [
{
"id": call.id,
"type": "function",
"function": {
"name": call.name,
"arguments": json.dumps(call.arguments),
},
}
for call in response.tool_calls
],
}
)
for call in response.tool_calls:
tool = self.tools.get(call.name)
if tool is None:
result = f"Unknown tool: {call.name}"
else:
try:
result = tool.execute(call.arguments).content
except Exception as error:
result = f"Tool error: {error}"
self.messages.append(
{
"role": "tool",
"tool_call_id": call.id,
"content": result,
}
)
raise RuntimeError("Tool call limit exceeded")
|
