From 64a17daf7ba36a49445dcda030c4d2f83c656b2c Mon Sep 17 00:00:00 2001 From: Marco Favaretto Date: Wed, 13 Nov 2024 12:14:59 -0300 Subject: [PATCH] Day 4 week2 Adding booking function --- week2/community-contributions/day4.ipynb | 300 +++++++++++++++++++++++ 1 file changed, 300 insertions(+) create mode 100644 week2/community-contributions/day4.ipynb diff --git a/week2/community-contributions/day4.ipynb b/week2/community-contributions/day4.ipynb new file mode 100644 index 0000000..f1ef198 --- /dev/null +++ b/week2/community-contributions/day4.ipynb @@ -0,0 +1,300 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "id": "ddfa9ae6-69fe-444a-b994-8c4c5970a7ec", + "metadata": {}, + "source": [ + "# Project - Airline AI Assistant\n", + "\n", + "We'll now bring together what we've learned to make an AI Customer Support assistant for an Airline" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "8b50bbe2-c0b1-49c3-9a5c-1ba7efa2bcb4", + "metadata": {}, + "outputs": [], + "source": [ + "# imports\n", + "\n", + "import os\n", + "import json\n", + "from dotenv import load_dotenv\n", + "from openai import OpenAI\n", + "import gradio as gr" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "747e8786-9da8-4342-b6c9-f5f69c2e22ae", + "metadata": {}, + "outputs": [], + "source": [ + "# Initialization\n", + "\n", + "load_dotenv()\n", + "os.environ['OPENAI_API_KEY'] = os.getenv('OPENAI_API_KEY', 'your-key-if-not-using-env')\n", + "MODEL = \"gpt-4o-mini\"\n", + "openai = OpenAI()" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "0a521d84-d07c-49ab-a0df-d6451499ed97", + "metadata": {}, + "outputs": [], + "source": [ + "system_message = \"You are a helpful assistant for an Airline called FlightAI. \"\n", + "system_message += \"Give short, courteous answers, no more than 1 sentence. \"\n", + "system_message += \"Always get a price confirmation from the traveler before booking the flight.\"\n", + "system_message += \"Always ask the departure city before confirm the booking.\"\n", + "system_message += \"Always be accurate. If you don't know the answer, say so.\"" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "61a2a15d-b559-4844-b377-6bd5cb4949f6", + "metadata": {}, + "outputs": [], + "source": [ + "def chat(message, history):\n", + " messages = [{\"role\": \"system\", \"content\": system_message}]\n", + " for human, assistant in history:\n", + " messages.append({\"role\": \"user\", \"content\": human})\n", + " messages.append({\"role\": \"assistant\", \"content\": assistant})\n", + " messages.append({\"role\": \"user\", \"content\": message})\n", + " response = openai.chat.completions.create(model=MODEL, messages=messages)\n", + " return response.choices[0].message.content\n", + "\n", + "gr.ChatInterface(fn=chat).launch()" + ] + }, + { + "cell_type": "markdown", + "id": "36bedabf-a0a7-4985-ad8e-07ed6a55a3a4", + "metadata": {}, + "source": [ + "## Tools\n", + "\n", + "Tools are an incredibly powerful feature provided by the frontier LLMs.\n", + "\n", + "With tools, you can write a function, and have the LLM call that function as part of its response.\n", + "\n", + "Sounds almost spooky.. we're giving it the power to run code on our machine?\n", + "\n", + "Well, kinda." + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "0696acb1-0b05-4dc2-80d5-771be04f1fb2", + "metadata": {}, + "outputs": [], + "source": [ + "# Let's start by making a useful function\n", + "\n", + "ticket_prices = {\"london\": \"$799\", \"paris\": \"$899\", \"tokyo\": \"$1400\", \"berlin\": \"$499\"}\n", + "\n", + "def get_ticket_price(destination_city):\n", + " print(f\"Tool get_ticket_price called for {destination_city}\")\n", + " city = destination_city.lower()\n", + " return ticket_prices.get(city, \"Unknown\")" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "80ca4e09-6287-4d3f-997d-fa6afbcf6c85", + "metadata": {}, + "outputs": [], + "source": [ + "get_ticket_price(\"Berlin\")" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "4afceded-7178-4c05-8fa6-9f2085e6a344", + "metadata": {}, + "outputs": [], + "source": [ + "# There's a particular dictionary structure that's required to describe our function:\n", + "\n", + "price_function = {\n", + " \"name\": \"get_ticket_price\",\n", + " \"description\": \"Get the price of a return ticket to the destination city. Call this whenever you need to know the ticket price, for example when a customer asks 'How much is a ticket to this city'\",\n", + " \"parameters\": {\n", + " \"type\": \"object\",\n", + " \"properties\": {\n", + " \"destination_city\": {\n", + " \"type\": \"string\",\n", + " \"description\": \"The city that the customer wants to travel to\",\n", + " },\n", + " },\n", + " \"required\": [\"destination_city\"],\n", + " \"additionalProperties\": False\n", + " }\n", + "}" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "8c2d843a-a4b2-40fd-a3ed-365938e4fb1b", + "metadata": {}, + "outputs": [], + "source": [ + "def book_ticket(destination_city):\n", + " print(f\"Tool book_ticket called for {destination_city}\")\n", + " return (f\"The ticket to {destination_city} has been booked. Thank you.\")" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "8e25cf39-191e-4c0b-a1e4-95e7b1208c7a", + "metadata": {}, + "outputs": [], + "source": [ + "book_function = {\n", + " \"name\": \"book_ticket\",\n", + " \"description\": \"Get the confirmation of booking a ticket to the destination city. Call this whenever you need to book the ticket, for example when a customer asks 'I'd like to book this ticket'\",\n", + " \"parameters\": {\n", + " \"type\": \"object\",\n", + " \"properties\": {\n", + " \"destination_city\": {\n", + " \"type\": \"string\",\n", + " \"description\": \"The city that the customer wants to book the ticket\",\n", + " },\n", + " },\n", + " \"required\": [\"destination_city\"],\n", + " \"additionalProperties\": False\n", + " }\n", + "}" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "bdca8679-935f-4e7f-97e6-e71a4d4f228c", + "metadata": {}, + "outputs": [], + "source": [ + "# And this is included in a list of tools:\n", + "\n", + "tools = [{\"type\": \"function\", \"function\": price_function},\n", + " {\"type\": \"function\", \"function\": book_function}]" + ] + }, + { + "cell_type": "markdown", + "id": "c3d3554f-b4e3-4ce7-af6f-68faa6dd2340", + "metadata": {}, + "source": [ + "## Getting OpenAI to use our Tool\n", + "\n", + "There's some fiddly stuff to allow OpenAI \"to call our tool\"\n", + "\n", + "What we actually do is give the LLM the opportunity to inform us that it wants us to run the tool.\n", + "\n", + "Here's how the new chat function looks:" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "ce9b0744-9c78-408d-b9df-9f6fd9ed78cf", + "metadata": {}, + "outputs": [], + "source": [ + "def chat(message, history):\n", + " messages = [{\"role\": \"system\", \"content\": system_message}]\n", + " for human, assistant in history:\n", + " messages.append({\"role\": \"user\", \"content\": human})\n", + " messages.append({\"role\": \"assistant\", \"content\": assistant})\n", + " messages.append({\"role\": \"user\", \"content\": message})\n", + " response = openai.chat.completions.create(model=MODEL, messages=messages, tools=tools)\n", + "\n", + " if response.choices[0].finish_reason==\"tool_calls\":\n", + " message = response.choices[0].message\n", + " response, city = handle_tool_call(message)\n", + " messages.append(message)\n", + " messages.append(response)\n", + " response = openai.chat.completions.create(model=MODEL, messages=messages)\n", + " \n", + " return response.choices[0].message.content" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "b0992986-ea09-4912-a076-8e5603ee631f", + "metadata": {}, + "outputs": [], + "source": [ + "# We have to write that function handle_tool_call:\n", + "\n", + "def handle_tool_call(message):\n", + " tool_call = message.tool_calls[0]\n", + " arguments = json.loads(tool_call.function.arguments)\n", + " city = arguments.get('destination_city')\n", + " price = get_ticket_price(city)\n", + " if price != \"Unknow\":\n", + " ticket_booked = book_ticket(city)\n", + " response = {\n", + " \"role\": \"tool\",\n", + " \"content\": json.dumps({\"destination_city\": city,\n", + " \"price\": price,\n", + " \"ticket_booked\": ticket_booked}),\n", + " \"tool_call_id\": message.tool_calls[0].id\n", + " }\n", + " return response, city" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "f4be8a71-b19e-4c2f-80df-f59ff2661f14", + "metadata": {}, + "outputs": [], + "source": [ + "gr.ChatInterface(fn=chat).launch()" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "11c9da69-d0cf-4cf2-a49e-e5669deec47b", + "metadata": {}, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 3 (ipykernel)", + "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": "3.11.10" + } + }, + "nbformat": 4, + "nbformat_minor": 5 +}