code: # Copyright (c) Meta Platforms, Inc. and affiliates.
  # This software may be used and distributed according to the terms of the Llama 2 Community License Agreement.
  
  import langchain
  from langchain.llms import Replicate
  
  from flask import Flask
  from flask import request
  import os
  import requests
  import json
  
  class WhatsAppClient:
  
      API_URL = "https://graph.facebook.com/v17.0/"
      WHATSAPP_API_TOKEN = "<Temporary access token from your WhatsApp API Setup>"
      WHATSAPP_CLOUD_NUMBER_ID = "<Phone number ID from your WhatsApp API Setup>"
  
      def __init__(self):
          self.headers = {
              "Authorization": f"Bearer {self.WHATSAPP_API_TOKEN}",
              "Content-Type": "application/json",
          }
          self.API_URL = self.API_URL + self.WHATSAPP_CLOUD_NUMBER_ID
  
      def send_text_message(self,message, phone_number):
          payload = {
              "messaging_product": 'whatsapp',
              "to": phone_number,
              "type": "text",
              "text": {
                  "preview_url": False,
                  "body": message
              }
          }
          response = requests.post(f"{self.API_URL}/messages", json=payload,headers=self.headers)
          print(response.status_code)
          assert response.status_code == 200, "Error sending message"
          return response.status_code
  
  os.environ["REPLICATE_API_TOKEN"] = "<your replicate api token>"    
  llama2_13b_chat = "meta/llama-2-13b-chat:f4e2de70d66816a838a89eeeb621910adffb0dd0baba3976c96980970978018d"
  
  llm = Replicate(
      model=llama2_13b_chat,
      model_kwargs={"temperature": 0.01, "top_p": 1, "max_new_tokens":500}
  )
  client = WhatsAppClient()
  app = Flask(__name__)
  
  @app.route("/")
  def hello_llama():
      return "<p>Hello Llama 2</p>"
  
  @app.route('/msgrcvd', methods=['POST', 'GET'])
  def msgrcvd():    
      message = request.args.get('message')
      #client.send_template_message("hello_world", "en_US", "14086745477")
      answer = llm(message)
      print(message)
      print(answer)
      client.send_text_message(llm(message), "14086745477")
      return message + "<p/>" + answer
  
  
apis: langchain.llms.Replicate
extract_api: [((1502, 1609), 'langchain.llms.Replicate', 'Replicate', ([], {'model': 'llama2_13b_chat', 'model_kwargs': "{'temperature': 0.01, 'top_p': 1, 'max_new_tokens': 500}"}), "(model=llama2_13b_chat, model_kwargs={'temperature': 0.01, 'top_p':\n    1, 'max_new_tokens': 500})\n", (1511, 1609), False, 'from langchain.llms import Replicate\n'), ((1647, 1662), 'flask.Flask', 'Flask', (['__name__'], {}), '(__name__)\n', (1652, 1662), False, 'from flask import Flask\n'), ((1815, 1842), 'flask.request.args.get', 'request.args.get', (['"""message"""'], {}), "('message')\n", (1831, 1842), False, 'from flask import request\n'), ((1101, 1178), 'requests.post', 'requests.post', (['f"""{self.API_URL}/messages"""'], {'json': 'payload', 'headers': 'self.headers'}), "(f'{self.API_URL}/messages', json=payload, headers=self.headers)\n", (1114, 1178), False, 'import requests\n')]