How to create a bot in WhatsApp Python?

How to create a bot in WhatsApp Python - briefly?

Creating a bot for WhatsApp using Python involves integrating the Twilio API or the Yowsup library. Start by installing the required libraries and setting up your environment. Then, use the provided documentation to build and test your bot's functionality.

How to create a bot in WhatsApp Python - in detail?

Creating a WhatsApp bot using Python involves several steps, including setting up the necessary libraries and configuring the bot to respond to messages. Below is a detailed guide on how to achieve this:

Step 1: Set Up Your Development Environment

First, ensure you have Python installed on your system. You can download it from the official website (https://www.python.org/). Additionally, install the required libraries using pip:

pip install twilio

pip install python-decouple

Twilio is a cloud communication platform that allows you to send and receive messages programmatically. Python-Decouple helps manage environment variables.

Step 2: Create a Twilio Account

Sign up for a Twilio account at https://www.twilio.com/. Once logged in, navigate to the Console and create a new WhatsApp Sender. Note down your Account SID, Auth Token, and the WhatsApp-enabled phone number provided by Twilio.

Step 3: Configure Environment Variables

Create a .env file in your project directory to store your sensitive information securely. This helps keep your credentials private and enhances security:

TWILIO_ACCOUNT_SID=your_account_sid

TWILIO_AUTH_TOKEN=your_auth_token

TWILIO_WHATSAPP_NUMBER=whatsapp:+14155238886

Replace the placeholders with your actual Twilio credentials.

Step 4: Write Your Bot Code

Create a Python script (e.g., bot.py) and implement the bot logic:

from twilio.rest import Client

from decouple import config

# Initialize Twilio client

account_sid = config('TWILIO_ACCOUNT_SID')

auth_token = config('TWILIO_AUTH_TOKEN')

client = Client(account_sid, auth_token)

# Define the bot's phone number and the message handler

whatsapp_number = config('TWILIO_WHATSAPP_NUMBER')

def handle_message(body):

# Simple echo bot: returns the same message received

response_message = f"You said: {body}"

return response_message

# Main function to start the bot

def main():

print("Bot is now running...")

while True:

messages = client.messages.list(to=whatsapp_number)

for message in messages:

if message.direction == "inbound":

response = handle_message(message.body)

client.messages.create(

body=response,

from_=whatsapp_number,

to=message.from_

)

if __name__ == "__main__":

main()

This script initializes the Twilio client, sets up a simple echo bot that responds with the received message, and continuously listens for incoming messages.

Step 5: Run Your Bot

Execute your Python script to start the bot:

python bot.py

The bot will now be running and able to respond to any messages sent to the specified WhatsApp number.

Conclusion

By following these steps, you can create a basic WhatsApp bot using Python. This bot can be extended with more sophisticated logic, such as handling different types of messages, integrating with databases, or connecting to other APIs for additional functionality.