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UV - A modern python project and dependency manager

3 min read 1 hour ago

Published on Oct 18, 2024 This response is partially generated with the help of AI. It may contain inaccuracies.

Table of Contents

Introduction

This tutorial will guide you through using UV, a modern Python project and dependency manager. We will cover its installation, initialization, adding dependencies, running commands, and more. UV streamlines Python packaging and project management, making it a valuable tool for developers.

Step 1: Installation

To get started with UV, you need to install it on your system. Follow these steps:

Open your terminal or command prompt.
Run the following command to install UV:
```
pip install uv
```

Tip: Ensure you have Python and pip installed on your system. You can verify this by running python --version and pip --version.

Step 2: Initialization

Once UV is installed, you need to initialize it in your project directory.

Navigate to your project folder using the terminal.
Run the initialization command:
```
uv init
```

This command creates a new uv configuration file, which is essential for managing your project dependencies.

Step 3: Adding Dependencies

With UV initialized, you can start adding dependencies to your project.

Use the following command to add a dependency:
```
uv add <package-name>
```
Replace <package-name> with the name of the package you want to include.
To add multiple packages at once, list them separated by spaces:
```
uv add package1 package2 package3
```

Common Pitfall: Make sure to specify the correct package names to avoid installation errors.

Step 4: Running Commands

UV allows you to run commands easily within your project.

To execute a command, use:
```
uv run <command>
```
Replace <command> with the command you want to run.
You can also specify scripts defined in your UV configuration.

Tip: Check your uv configuration file for predefined scripts that you can run directly.

Step 5: Installing Python

If you need to install a specific version of Python for your project, follow these steps:

Use the official Python website or a package manager like pyenv to install the required version.
After installation, verify by running:
```
python --version
```

Step 6: Speed Test

To evaluate the performance of UV, you can run a speed test.

Use the following command to initiate a speed test:
```
uv speed-test
```

This will provide insights into how fast UV handles package management compared to other tools.

Step 7: Using uvx

UV also includes a feature called uvx, which provides additional functionalities.

To access uvx, simply run:
```
uvx help
```
This command will show you the various options available with uvx.

Tip: Explore the uvx features for enhanced project management capabilities.

Conclusion

In this tutorial, we covered the essential steps to get started with UV, including installation, initialization, adding dependencies, and running commands. By utilizing UV, you can simplify your Python project management and streamline your development workflow. For further exploration, check out the UV documentation and experiment with its features in your projects.

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