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Ejercicio 2 - Semana 1 - Scrapper con Ollama

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joluesi 4 weeks ago
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      week1/myWebScrIApper.ipynb

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week1/myWebScrIApper.ipynb

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{
"cells": [
{
"cell_type": "raw",
"id": "309296ff-f0c2-4e31-986c-b6e779ad17cd",
"metadata": {},
"source": [
"Take the code from day1 and incorporate it here, to build a website summarizer that uses Llama 3.2 running locally instead of OpenAI; use either of the above approaches."
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "62b6082c-67d0-4ebc-97a2-8b7ee61e0294",
"metadata": {},
"outputs": [],
"source": [
"# imports\n",
"\n",
"import os\n",
"import requests\n",
"from dotenv import load_dotenv\n",
"from bs4 import BeautifulSoup\n",
"from IPython.display import Markdown, display\n",
"import ollama\n",
"\n",
"# If you get an error running this cell, then please head over to the troubleshooting notebook!"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "1e048442-d95c-4017-b0ee-34966e8b5452",
"metadata": {},
"outputs": [],
"source": [
"# Constants\n",
"\n",
"OLLAMA_API = \"http://localhost:11434/api/chat\"\n",
"HEADERS = {\"Content-Type\": \"application/json\"}\n",
"MODEL = \"llama3.2\""
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "6c7d475d-b1bb-4d99-94af-2435593a9aff",
"metadata": {},
"outputs": [],
"source": [
"# A class to represent a Webpage\n",
"# If you're not familiar with Classes, check out the \"Intermediate Python\" notebook\n",
"\n",
"# Some websites need you to use proper headers when fetching them:\n",
"headers = {\n",
" \"User-Agent\": \"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36\"\n",
"}\n",
"\n",
"class Website:\n",
"\n",
" def __init__(self, url):\n",
" \"\"\"\n",
" Create this Website object from the given url using the BeautifulSoup library\n",
" \"\"\"\n",
" self.url = url\n",
" response = requests.get(url, headers=headers)\n",
" soup = BeautifulSoup(response.content, 'html.parser')\n",
" self.title = soup.title.string if soup.title else \"No title found\"\n",
" for irrelevant in soup.body([\"script\", \"style\", \"img\", \"input\"]):\n",
" irrelevant.decompose()\n",
" self.text = soup.body.get_text(separator=\"\\n\", strip=True)"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "7bedc3b2-01b6-41c2-b0a3-4f2d8f5772aa",
"metadata": {},
"outputs": [],
"source": [
"# Define our system prompt - you can experiment with this later, changing the last sentence to 'Respond in markdown in Spanish.\"\n",
"\n",
"system_prompt = \"You are an assistant that analyzes the contents of a website \\\n",
"and provides a short summary, ignoring text that might be navigation related. \\\n",
"Respond in markdown.\""
]
},
{
"cell_type": "code",
"execution_count": 17,
"id": "23fcb3fc-af67-44f3-8f2a-475d1c7e7a69",
"metadata": {},
"outputs": [],
"source": [
"# A function that writes a User Prompt that asks for summaries of websites:\n",
"\n",
"def user_prompt_for(website):\n",
" user_prompt = f\"You are looking at a website titled {website.title}\"\n",
" user_prompt += \"\\nThe contents of this website is as follows; \\\n",
"please provide a short summary of this website in markdown. \\\n",
"If it includes news or announcements, then summarize these too. \\n\\n\"\n",
" user_prompt += website.text\n",
" return user_prompt"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "b3f57f88-f5c9-42f8-8200-9a33c3ea8348",
"metadata": {},
"outputs": [],
"source": [
"# See how this function creates exactly the format above\n",
"\n",
"def messages_for(website):\n",
" return [\n",
" {\"role\": \"system\", \"content\": system_prompt},\n",
" {\"role\": \"user\", \"content\": user_prompt_for(website)}\n",
" ]"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "3922e700-1695-4dfb-8004-fe9356178056",
"metadata": {},
"outputs": [],
"source": [
"def message_payload(website):\n",
" url = Website(website)\n",
" payload = {\n",
" \"model\": MODEL,\n",
" \"messages\": messages_for(url),\n",
" \"stream\": False\n",
" }\n",
" return payload"
]
},
{
"cell_type": "code",
"execution_count": 8,
"id": "97e99c58-4a71-4c2c-9255-1b676446e37b",
"metadata": {},
"outputs": [],
"source": [
"# And now: call the OpenAI API. You will get very familiar with this!\n",
"\n",
"def summarize(url):\n",
" payload = message_payload(url)\n",
" response = requests.post(OLLAMA_API, json=payload, headers=HEADERS)\n",
" return response.json()['message']['content']"
]
},
{
"cell_type": "code",
"execution_count": 9,
"id": "742d3b5b-c7bd-40c3-a75e-863d1e9f6caa",
"metadata": {},
"outputs": [],
"source": [
"# A function to display this nicely in the Jupyter output, using markdown\n",
"\n",
"def display_summary(url):\n",
" summary = summarize(url)\n",
" display(Markdown(summary))"
]
},
{
"cell_type": "code",
"execution_count": 18,
"id": "08332604-9de0-4cac-a9cd-7591ec10d66b",
"metadata": {},
"outputs": [
{
"data": {
"text/markdown": [
"**Resumen del sitio web**\n",
"\n",
"El sitio web Plataforma para fórex y las bolsas de valores: MetaTrader 5 es una plataforma comercial destinada a los traders de forex, acciones y otros activos financieros. La plataforma ofrece una variedad de herramientas y características, incluyendo gráficos, análisis técnico y fundamental, alertas y servicios comerciales.\n",
"\n",
"**Noticias**\n",
"\n",
"* MetaQuotes presentará sus últimas novedades en la iFX Expo de México del 9 al 10 de abril.\n",
"* El bróker global regulado ha ampliado significativamente la gama de herramientas disponibles para los tráders con MetaTrader 5 Automations.\n",
"* MetaTrader 5 ha sido premiada como la mejor plataforma comercial multimercado en la feria de Ciudad de México.\n",
"* La aplicación móvil MetaTrader 5 para iOS ha recibido una actualización con características nuevas, incluyendo objetos de texto para gráficos y temporizador de barras.\n",
"\n",
"**Características destacadas**\n",
"\n",
"* Trading móvil con aplicaciones para iPhone/iPad y Android\n",
"* Señales comerciales y copiado de operaciones\n",
"* Servicios comerciales y alertas\n",
"* Gráficos y análisis técnico y fundamental\n",
"* Entorno de desarrollo MQL5 y lenguaje de programación MQL5\n",
"* Virtual hosting (VPS) y trading automatizado\n",
"\n",
"**Servicios**\n",
"\n",
"* Descarga de la plataforma MetaTrader 5\n",
"* Comprar la plataforma MetaTrader 5\n",
"* Conexión a la plataforma web y tradere automatizado\n",
"* Acceso a la comunidad de traders y recursos educativos"
],
"text/plain": [
"<IPython.core.display.Markdown object>"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"display_summary(\"https://www.metatrader5.com/es\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "adb000a9-e2ba-48cc-bb87-1b75db2d9707",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
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