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{
"cells": [
{
"cell_type": "code",
"execution_count": null,
"id": "ba470a39",
"metadata": {},
"outputs": [],
"source": [
"from dotenv import load_dotenv\n",
"import os\n",
"load_dotenv()\n",
"OPENROUTER_API_KEY = os.getenv(\"OPENROUTER_API_KEY\", \"\")\n",
"MAIN_LLM_MODEL = os.getenv(\"MAIN_LLM_MODEL\", \"google/gemini-2.0-flash-lite-001\")\n",
"\n",
"from langfuse.callback import CallbackHandler\n",
"\n",
"LANGFUSE_SECRET_KEY = os.getenv(\"LANGFUSE_SECRET_KEY\", \"\")\n",
"LANGFUSE_PUBLIC_KEY = os.getenv(\"LANGFUSE_PUBLIC_KEY\", \"\")\n",
"LANGFUSE_HOST = os.getenv(\"LANGFUSE_HOST\", \"\")\n",
"\n",
"# Initialize Langfuse CallbackHandler for LangGraph/Langchain (tracing)\n",
"if LANGFUSE_SECRET_KEY and LANGFUSE_PUBLIC_KEY and LANGFUSE_HOST:\n",
" # Initialize the Langfuse CallbackHandler with the provided keys\n",
" langfuse_handler = CallbackHandler(secret_key=LANGFUSE_SECRET_KEY, public_key=LANGFUSE_PUBLIC_KEY, host=LANGFUSE_HOST)\n",
"else:\n",
" # If keys are not provided, set the handler to None\n",
" langfuse_handler = None"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "dfbd8f8e",
"metadata": {},
"outputs": [
{
"data": {
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",
"text/plain": [
"<IPython.core.display.Image object>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"from langgraph.prebuilt import create_react_agent\n",
"from langchain_openai import ChatOpenAI\n",
"from IPython.display import Image, display # Import necessary modules\n",
"\n",
"model = ChatOpenAI(\n",
" model=MAIN_LLM_MODEL,\n",
" api_key=OPENROUTER_API_KEY,\n",
" streaming=True,\n",
")\n",
"\n",
"def tool() -> None:\n",
" \"\"\"Testing tool.\"\"\"\n",
" ...\n",
"\n",
"agent = create_react_agent(\n",
" model,\n",
" tools=[tool],\n",
")\n",
"\n",
"png_bytes = agent.get_graph().draw_mermaid_png()\n",
"\n",
"display(Image(png_bytes)) # Display the image"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "f1ccc527",
"metadata": {},
"outputs": [],
"source": [
"from langchain.tools import Tool\n",
"from urllib.parse import urlparse\n",
"\n",
"@tool\n",
"def get_u\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "4285ccba",
"metadata": {},
"outputs": [],
"source": [
"from typing import TypedDict, Annotated, Optional\n",
"from langgraph.graph.message import add_messages\n",
"from langchain_core.messages import AnyMessage, HumanMessage, AIMessage\n",
"from langgraph.prebuilt import ToolNode, tools_condition\n",
"from langgraph.graph import START, StateGraph\n",
"from langchain_openai import ChatOpenAI # Use ChatOpenAI for OpenRouter\n",
"from pydantic import SecretStr\n",
"\n",
"# Generate the chat interface, including the tools\n",
"if OPENROUTER_API_KEY is None:\n",
" raise ValueError(\"OPENROUTER_API_KEY is not set. Please ensure it is defined in your .env file or environment variables.\")\n",
"\n",
"\n",
"\n",
"\n",
"def create_agent_graph() -> StateGraph:\n",
" \n",
" main_llm = ChatOpenAI(\n",
" model=MAIN_LLM_MODEL, # e.g., \"mistralai/mistral-7b-instruct\"\n",
" api_key=SecretStr(OPENROUTER_API_KEY), # Your OpenRouter API key\n",
" base_url=\"https://openrouter.ai/api/v1\", # Standard OpenRouter API base\n",
" verbose=True # Optional: for debugging\n",
" )\n",
"\n",
"\n",
" tools = [search_tool, weather_info_tool, hub_stats_tool] # Ensure these tools are defined\n",
" chat_with_tools = main_llm.bind_tools(tools)\n",
"\n",
" class AgentState(TypedDict):\n",
" input_file: Optional[str]\n",
" messages: Annotated[list[AnyMessage], add_messages]\n",
" \n",
" def assistant(state: AgentState):\n",
" return {\n",
" \"messages\": [chat_with_tools.invoke(state[\"messages\"])],\n",
" }\n",
" # The graph\n",
" builder = StateGraph(AgentState)\n",
" # Define nodes: these do the work\n",
" builder.add_node(\"assistant\", assistant)\n",
" builder.add_node(\"tools\", ToolNode(tools))\n",
" # Define edges: these determine how the control flow moves\n",
" builder.add_edge(START, \"assistant\")\n",
" builder.add_conditional_edges(\n",
" \"assistant\",\n",
" # If the latest message requires a tool, route to tools\n",
" # Otherwise, provide a direct response\n",
" tools_condition,\n",
" )\n",
" builder.add_edge(\"tools\", \"assistant\")\n",
" \n",
" return builder\n",
"\n",
"\n",
"agent_graph = create_agent_graph()\n",
"alfred = agent_graph.compile()\n",
"\n",
"if langfuse_handler:\n",
" config = {\"callbacks\": [langfuse_handler]}\n",
"else:\n",
" config = None\n",
"\n",
"messages = [HumanMessage(content=\"Who is Facebook and what's their most popular model?\")]\n",
"response = alfred.invoke(\n",
" input = {\"messages\": messages}, \n",
" config=config\n",
" )\n",
"\n",
"print(\"🎩 Alfred's Response:\")\n",
"print(response['messages'][-1].content)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "f7ef828d",
"metadata": {},
"outputs": [],
"source": [
"from langfuse.callback import CallbackHandler\n",
"\n",
"# Initialize Langfuse CallbackHandler for LangGraph/Langchain (tracing)\n",
"langfuse_handler = CallbackHandler()\n",
"\n",
"compiled_graph = agent_graph.compile()\n",
"legitimate_email = ''\n",
"# Process legitimate email\n",
"legitimate_result = compiled_graph.invoke(\n",
" input={\"email\": legitimate_email, \"is_spam\": None, \"spam_reason\": None, \"email_category\": None, \"draft_response\": None, \"messages\": []},\n",
" config={\"callbacks\": [langfuse_handler]}\n",
")"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "agents",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.13.2"
}
},
"nbformat": 4,
"nbformat_minor": 5
}
|