open-notebook/open_notebook/graphs/transformation.py
2025-06-01 08:09:33 -03:00

57 lines
2 KiB
Python

from ai_prompter import Prompter
from langchain_core.messages import HumanMessage, SystemMessage
from langchain_core.runnables import RunnableConfig
from langgraph.graph import END, START, StateGraph
from typing_extensions import TypedDict
from open_notebook.domain.notebook import Source
from open_notebook.domain.transformation import DefaultPrompts, Transformation
from open_notebook.graphs.utils import provision_langchain_model
class TransformationState(TypedDict):
input_text: str
source: Source
transformation: Transformation
output: str
def run_transformation(state: dict, config: RunnableConfig) -> dict:
source: Source = state.get("source")
content = state.get("input_text")
assert source or content, "No content to transform"
transformation: Transformation = state["transformation"]
if not content:
content = source.full_text
transformation_template_text = transformation.prompt
default_prompts: DefaultPrompts = DefaultPrompts()
if default_prompts.transformation_instructions:
transformation_template_text = f"{default_prompts.transformation_instructions}\n\n{transformation_template_text}"
transformation_template_text = f"{transformation_template_text}\n\n# INPUT"
system_prompt = Prompter(template_text=transformation_template_text).render(
data=state
)
payload = [SystemMessage(content=system_prompt)] + [HumanMessage(content=content)]
chain = provision_langchain_model(
str(payload),
config.get("configurable", {}).get("model_id"),
"transformation",
max_tokens=5000,
)
response = chain.invoke(payload)
if source:
source.add_insight(transformation.title, response.content)
return {
"output": response.content,
}
agent_state = StateGraph(TransformationState)
agent_state.add_node("agent", run_transformation)
agent_state.add_edge(START, "agent")
agent_state.add_edge("agent", END)
graph = agent_state.compile()