How to generate code with prompts using Copilot [2 of 6]

Microsoft Developer
9 Mar 202304:35

TLDRThe video script discusses the process of generating code using GitHub Copilot within a Python API environment. The speaker begins by ensuring that GitHub Codespaces is active and then demonstrates how to utilize prompts for code generation. They navigate to an HTML file and explain their intention to make interactive changes using JavaScript. The speaker illustrates how to use a comment as a prompt in Visual Studio Code to generate a form that accepts user input and sends it to an API endpoint. Although the generated code is mostly correct, the speaker makes a necessary adjustment to the 'length' parameter, demonstrating the efficiency of using Copilot for code generation. The video effectively showcases how Copilot can accelerate the coding process, even for those not fully proficient in JavaScript.

Takeaways

  • 💻 Use GitHub Codespaces for a Python API project with HTML components.
  • 🔍 Ensure Codespaces is enabled and running for your account.
  • 📝 Start with a prompt-based generation of code by using a comment in VS Code.
  • 🌐 Navigate to the 'static' directory and work with 'index.html' for HTML content.
  • 🔑 Use JavaScript to create an interactive form that makes a synchronous request to the API endpoint.
  • ✅ Accept the generated code suggestions by hitting the 'Tab' key.
  • 🔄 Co-pilot may not generate code that is 100% correct, but it can get you most of the way there.
  • 🛠️ Make necessary adjustments to the generated code, such as changing 'input' to 'length'.
  • 🔍 Co-pilot provides real-time suggestions as you type, aiding in code correction.
  • ⚙️ Understand the technical details of your application to make informed adjustments to the generated code.
  • 🚀 Using Co-pilot with prompts can significantly speed up the coding process.

Q & A

  • What is the purpose of using GitHub Codespaces in the script?

    -GitHub Codespaces is used to provide a cloud-based development environment where the user can work on their Python API project. It is important to ensure that Codespaces is enabled and running for the user's account.

  • What is the significance of the HTML comment in the script?

    -The HTML comment is used as a prompt for the AI code generation tool, Copilot. It provides context to Copilot about what the user wants to achieve, enabling it to generate relevant code snippets.

  • How does Copilot assist in generating JavaScript code?

    -Copilot suggests code snippets based on the context provided by the user's comments or partial code. It can generate interactive form code that accepts user input and sends it to an API endpoint.

  • What is the user's approach to integrating JavaScript into the project?

    -The user is not a full-time JavaScript developer and is looking for a straightforward way to add interactivity to the project. They use Copilot to generate the necessary JavaScript code based on their requirements.

  • What is the role of the 'generate' API endpoint in the script?

    -The 'generate' API endpoint (/generate) is where the form data is sent to in a synchronous request. It is a key part of the application's functionality, handling the processing of the input data.

  • How does the user accept the generated code from Copilot?

    -The user accepts the generated code by pressing the 'Tab' key, which places the cursor at the end of the generated code snippet, allowing the user to review and accept it.

  • What is the user's strategy for dealing with code that is not exactly what they need?

    -The user makes small changes to the generated code to fit their specific needs. They acknowledge that Copilot's suggestions might not be perfect but are a good starting point that saves time.

  • Why is it necessary to modify the 'stringify' line in the generated code?

    -The 'stringify' line initially uses raw input, which is not suitable for the application's requirements. The user needs to modify it to use 'length' and 'input' to ensure the application works correctly.

  • How does Copilot assist with making the necessary modifications to the code?

    -As the user types, Copilot provides real-time suggestions for corrections or improvements to the code. This helps the user to identify and implement the required changes efficiently.

  • What is the benefit of using a comment as a prompt in VS Code with Copilot?

    -Using a comment as a prompt allows the user to guide Copilot with specific instructions or context, resulting in more accurate and relevant code generation.

  • How does the user ensure that the generated code integrates well with their existing project?

    -The user reviews the generated code, accepts the parts that fit their needs, and makes manual adjustments to the areas where the generated code falls short or requires customization.

  • What is the user's overall impression of using Copilot for code generation?

    -The user finds Copilot to be a valuable tool that significantly speeds up the development process. Although it may not provide a complete solution, it offers a solid foundation that requires minimal adjustments.

Outlines

00:00

💻 Setting Up GitHub Code Spaces for Python API Development

The speaker begins by introducing a GitHub code spaces template for a Python API project. They emphasize the importance of ensuring code spaces is enabled and operational for the user's account. The focus then shifts to demonstrating how to use code spaces for prompt-based code generation. The speaker navigates to the web app's static directory and selects an index.html file to work with. They discuss their intention to make the project interactive by modifying the HTML and JavaScript, specifically by replacing buttons with a form that can submit a request to a generate API endpoint. The speaker illustrates the use of a comment as a prompt to assist with code generation, which is facilitated by an AI tool called Copilot. They demonstrate how to accept and refine the generated code snippets, noting that while the AI-generated code is helpful, it may require minor adjustments to fit the specific needs of the project.

Mindmap

Keywords

GitHub Codespaces

GitHub Codespaces is a cloud-based development environment that allows developers to write, build, and test code directly from their browser. In the video, the speaker opens a template in GitHub Codespaces to demonstrate how to generate code using prompts with Copilot. It's an integral part of the video's demonstration as it provides the environment where the coding takes place.

Python API

A Python API, or Application Programming Interface, is a set of rules and protocols that allows software applications to communicate and interact with each other. The speaker mentions that they will be using a Python API for the demonstration, which is the core functionality around which the code generation process is centered.

Prompt-based generation

Prompt-based generation refers to the process of generating content, such as code, based on a given prompt or set of instructions. In the context of the video, the speaker uses prompts to guide the AI code generation tool, Copilot, to produce the desired code snippets.

HTML

HTML, or Hypertext Markup Language, is the standard markup language for creating web pages and web applications. The speaker references HTML when discussing the structure of the web app they are working on, highlighting the need to integrate JavaScript for interactive elements within the HTML document.

JavaScript

JavaScript is a high-level, interpreted programming language that is commonly used to create interactive elements on web pages. The video demonstrates the use of JavaScript to create an interactive form that communicates with the Python API. It is a key technology in the process of making the web app responsive.

Copilot

Copilot is an AI-powered code generation tool developed by GitHub that assists developers by suggesting code as they type. The speaker uses Copilot to generate code snippets based on prompts, showcasing how it can streamline the coding process by providing relevant suggestions.

API endpoint

An API endpoint is a specific location in a network where an API is accessible. In the video, the speaker refers to the 'slash generate' as the API endpoint for their application, indicating where the server-side code will handle the client's request.

Synchronous request

A synchronous request is a type of communication between a client and a server where the client waits for a response before continuing to execute further instructions. The speaker mentions submitting a synchronous request to the generate API endpoint, which is a method of interacting with the server-side Python API.

Code generation

Code generation is the process of automatically producing code from a set of inputs, such as prompts or templates. The video's main theme revolves around code generation using Copilot, where the speaker demonstrates how to use prompts to generate code snippets efficiently.

Contextual understanding

Contextual understanding is the ability to comprehend the circumstances or setting in which something occurs. In the video, the speaker provides context to Copilot by specifying the API endpoint and the desired functionality, which helps the AI tool to generate more accurate code suggestions.

Stringify

Stringify is the process of converting a data structure into a string format. The speaker corrects the generated code by replacing the raw input with a 'length' property, indicating the need for a string representation of the input data for the API to function correctly.

Highlights

Using GitHub code spaces for Python API development

Ensuring code spaces is enabled and running for the account

Demonstrating prompt-based code generation

Working with a Python HTTP API that includes HTML

Modifying HTML to include an interactive JavaScript form

Using an HTML comment to guide Copilot's code suggestions

Generating an API endpoint for synchronous requests

Accepting Copilot's suggestions with a tab keypress

Copilot's assistance in generating form and button elements

The importance of context for accurate code suggestions

Making minor adjustments to Copilot-generated code

Recognizing when generated code requires modification

The efficiency of using a comment as a prompt in VS Code

The challenge of integrating JavaScript into a non-JavaScript project

The limitations of Copilot's code generation for non-experts

The process of refining Copilot's suggestions to fit specific needs

The speed and convenience of using Copilot for code generation