9+ Pipenv 使い方 Article

How to manage your python virtualenvs with Pipenv automation hacks from automationhacks.io

Introduction

Pipenv is a popular tool used by developers to manage dependencies in Python projects. It provides a simple and efficient way to handle package installations, virtual environments, and project settings. In this article, we will explore the basics of Pipenv and how to use it effectively in 2023.

Why Use Pipenv?

Before we dive into the details of Pipenv, let's understand why it is important to use it. Python projects often rely on various external libraries and packages, and managing these dependencies can be a challenging task. Pipenv simplifies this process by automating the package installation and virtual environment creation. It also ensures that the project uses the correct versions of the packages, avoiding version conflicts and errors.

Installation

To use Pipenv, you need to have Python and pip installed on your system. You can install Pipenv using pip by running the following command:

pip install pipenv

This will install the latest version of Pipenv on your system.

Creating a New Project

To create a new project with Pipenv, navigate to the project directory and run the following command:

pipenv --python 3.9

This will create a new virtual environment with Python 3.9 installed. You can replace 3.9 with any other version of Python you want to use.

Installing Packages

To install packages with Pipenv, you can use the following command:

pipenv install package-name

This will install the latest version of the package and add it to the Pipfile, which is used to manage the project dependencies.

Managing Packages

You can view the list of installed packages and their dependencies using the following command:

pipenv graph

This will display a graph of the installed packages and their dependencies. To update a package to the latest version, you can use the command:

pipenv update package-name

This will update the package to the latest version and update the Pipfile accordingly.

Activating and Deactivating the Virtual Environment

To activate the virtual environment created by Pipenv, run the following command:

pipenv shell

This will activate the virtual environment and give you access to the installed packages. To deactivate the virtual environment, run the following command:

exit

This will exit the virtual environment and return you to the system shell.

Conclusion

Pipenv is a powerful tool that simplifies the management of dependencies in Python projects. It provides a streamlined way to handle package installations, virtual environments, and project settings. By following the steps outlined in this article, you can use Pipenv effectively in 2023 and beyond.