Build an AI Presentation Maker using OpenAI's Language Model | Streamlined AI PowerPoint Generation

Creating engaging PowerPoint presentations is a time-consuming process. But with the power of OpenAI's GPT-3.5 Turbo, you can build an AI-powered Presentation Maker that allows users to generate high-quality PowerPoint slides with just a title input. This project will walk you through how to develop a customizable, streamlined AI PowerPoint generator from scratch.

In this comprehensive tutorial, you’ll learn how to build a Python-based tool that generates PowerPoint slides in seconds. By the end of this tutorial, you'll have a fully functional AI-powered presentation maker that you can customize for any business, educational, or personal use.

🔍 What You’ll Learn

  1. Streamlined PowerPoint Creation: Create PowerPoint presentations using only a title input.

  2. AI-Powered Content Generation: Use OpenAI's GPT-3.5 Turbo to generate slide content dynamically.

  3. Code Development Process: Understand and write Python code to build the presentation maker.

  4. Integration with OpenAI API: Learn how to use the GPT-3.5 Turbo API for generating content.

  5. Customization: Customize slides, fonts, themes, and styles to suit your needs.

  6. Hands-on Project: Build the entire AI PowerPoint maker from scratch.

🛠️ Tools and Libraries You’ll Need

To build the AI-powered presentation maker, you’ll need the following libraries and services:

  • Python: Primary programming language.

  • OpenAI API: To generate AI-powered content using GPT-3.5 Turbo.

  • python-pptx: To create and customize PowerPoint (.pptx) files.

  • dotenv: To store and access API keys securely.

🚀 Step 1: Prerequisites

  1. Install Python (v3.7 or higher)

  2. Install Required Libraries by running:

    bash

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    pip install openai python-pptx python-dotenv

🔐 Step 2: Set Up Your OpenAI API Key

  1. Go to OpenAI's API Key Page and create an API key.

  2. Store the API key in a .env file for security.

Create a .env file in your project directory:

makefile

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OPENAI_API_KEY=your_openai_api_key_here

This file will ensure that sensitive information (like API keys) is not hardcoded into your Python scripts.

📘 Step 3: Project Structure

Here’s the structure of the files we’ll create:

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📁 ai-presentation-maker ├── 📄 .env # Stores the API key ├── 📄 main.py # Main Python script for the presentation generator └── 📂 slides # Directory to store the generated PowerPoint files

💻 Step 4: Code Walkthrough

Create the main Python script: main.py

1️⃣ Import Required Libraries

python

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import os import openai from pptx import Presentation from pptx.util import Inches from dotenv import load_dotenv # Load the OpenAI API key from the .env file load_dotenv() openai.api_key = os.getenv("OPENAI_API_KEY")

2️⃣ Define a Function to Generate AI-Powered Slide Content

The goal is to use GPT-3.5 Turbo to generate slide content based on the presentation title. Each slide will have a title and bullet points.

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def generate_slide_content(title, num_slides=5): """ Generate AI content for each slide in the presentation. Args: - title (str): The title of the presentation. - num_slides (int): Number of slides to generate. Returns: - List of slide titles and slide content. """ prompt = (f"Create a PowerPoint presentation titled '{title}' with {num_slides} slides. " f"For each slide, provide a title and 3-5 bullet points. " f"The response should be structured like this:\n\n" f"Slide 1: Title: [Slide Title]\n- Bullet 1\n- Bullet 2\n- Bullet 3\n" f"Slide 2: Title: [Slide Title]\n- Bullet 1\n- Bullet 2\n- Bullet 3\n") response = openai.ChatCompletion.create( model="gpt-3.5-turbo", messages=[{"role": "system", "content": "You are an AI presentation generator."}, {"role": "user", "content": prompt}] ) content = response['choices'][0]['message']['content'] return content

3️⃣ Create the PowerPoint Presentation

This function creates the PowerPoint presentation from the content generated by GPT-3.5 Turbo. We’ll use the python-pptx library to generate the .pptx file.

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def create_presentation(content, file_name="presentation.pptx"): """ Create a PowerPoint presentation from the AI-generated content. Args: - content (str): AI-generated slide content. - file_name (str): Name of the .pptx file. """ presentation = Presentation() slides = content.split('Slide') for slide_data in slides[1:]: # Skip the first split as it will be an empty string # Extract slide title try: slide_title = slide_data.split('Title: ')[1].split('\n')[0] bullet_points = slide_data.split('\n')[1:] except IndexError: continue slide = presentation.slides.add_slide(presentation.slide_layouts[1]) # Title and Content layout title = slide.shapes.title title.text = slide_title content_box = slide.shapes.placeholders[1].text_frame # Placeholder for bullet points for bullet in bullet_points: if bullet.startswith('- '): # Only take bullet points paragraph = content_box.add_paragraph() paragraph.text = bullet.strip('- ') presentation.save(file_name) print(f"Presentation saved as {file_name}")

4️⃣ Main Program to Run the Presentation Generator

This part of the script puts everything together. The user provides a title, and the program generates a presentation based on the title.

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if __name__ == "__main__": print("Welcome to the AI Presentation Maker!") title = input("Enter the title of the presentation: ") num_slides = int(input("Enter the number of slides: ")) print("\nGenerating AI-powered slide content...\n") ai_content = generate_slide_content(title, num_slides) print("\nCreating PowerPoint presentation...\n") create_presentation(ai_content, file_name=f"slides/{title.replace(' ', '_')}.pptx") print(f"\n🎉 Your AI-powered presentation '{title}' has been created successfully!")

🎉 Customization and Enhancements

  • Custom Themes: Use PowerPoint templates (.potx files) to apply styles.

  • Add Images: Generate image prompts using DALL-E and add images to the slides.

  • Custom Bullet Points: Generate more precise and formatted bullet points.

  • Change Slide Layouts: Customize layouts to add graphs, charts, and images.

📈 Example Output

Input

Presentation Title: "The Benefits of AI in Business"
Number of Slides: 5

Generated Slides

  • Slide 1: Introduction

    • What is AI?

    • History of AI in business

    • Why businesses are adopting AI

  • Slide 2: Automation Benefits

    • How AI automates repetitive tasks

    • Time and cost savings

    • Examples of automation tools

  • Slide 3: Data-Driven Decision Making

    • Role of AI in decision support

    • Real-time insights from big data

    • Case studies from leading firms

📚 Summary

  1. Streamlined PowerPoint Maker: Create a presentation in seconds with just a title.

  2. AI-Powered Content Creation: Content is dynamically generated by OpenAI's GPT-3.5 Turbo.

  3. Customizable PowerPoint: Change fonts, layouts, and styles for personalized slides.

  4. Step-by-Step Coding Process: Write Python code to generate .pptx files programmatically.

🚀 Next Steps

  1. Expand Your Features: Add support for images, themes, and animations.

  2. API Integration: Allow users to generate presentations from web apps (like Flask or Django).

  3. UI for End Users: Build a simple web interface using Streamlit or Flask.

E-Learning, Prompt EngineeringFrancesca Tabor