test-langgraph/test_langgraph/__main__.py
Jon Michael Aanes e42bb3df0a
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Ruff
2025-05-11 16:06:53 +02:00

66 lines
1.6 KiB
Python

import logging
import prompt_toolkit
import prompt_toolkit.auto_suggest
import prompt_toolkit.history
from langchain_core.messages import HumanMessage, SystemMessage
from langchain_ollama import ChatOllama
from langgraph.prebuilt import create_react_agent
logger = logging.getLogger(__name__)
from . import tools
cli_history = prompt_toolkit.history.FileHistory('output/cli_history.txt')
# MODEL = "gemma3:27b"
# MODEL = "qwen3:latest"
MODEL = 'hf.co/unsloth/Qwen3-30B-A3B-GGUF:Q4_K_M'
def create_model():
available_tools = tools.get_tools()
logger.info('Available tools:')
for tool in available_tools:
logger.info('- %s', tool.name)
llm = ChatOllama(model=MODEL)
llm.bind_tools(tools=available_tools)
return create_react_agent(llm, tools=available_tools)
SYSTEM_MESSAGE = """
You are a useful assistant with access to built in system tools.
Format responses as markdown.
Provide links when available.
"""
def main():
logging.basicConfig(level='INFO')
messages = [SystemMessage(SYSTEM_MESSAGE)]
llm = create_model()
prev_idx = 0
while True:
user_input = prompt_toolkit.prompt(
'Human: ',
history=cli_history,
auto_suggest=prompt_toolkit.auto_suggest.AutoSuggestFromHistory(),
)
messages.append(HumanMessage(user_input))
result = llm.invoke(
{
'messages': messages,
},
)
messages = result['messages']
for msg in messages[prev_idx:]:
print(msg.pretty_repr())
del msg
prev_idx = len(messages)
if __name__ == '__main__':
main()