What is a Virtual Environment?

What is a Virtual Environment?

A virtual environment is a tool that helps to keep dependencies required by different projects separate by creating isolated Python virtual environments for them. This is one of the most important tools that most Python developers use....

Why do we need a virtual environment?

Imagine a scenario where you are working on two web-based Python projects one of them uses Django 4.0 and the other uses Django 4.1 (check for the latest Django versions and so on). In such situations, we need to create a virtual environment in Python that can be really useful to maintain the dependencies of both projects....

When and where to use a virtual environment?

By default, every project on your system will use these same directories to store and retrieve site-packages (third-party libraries)....

Create Virtual Environment in Python

We use a module named virtualenv which is a tool to create virtual environments in Python, isolated from system environment Python....

Activating a Virtual Environment in Python

Now after creating a virtual environment, you need to activate it. Remember to activate the relevant virtual environment every time you work on the project. This can be done using the following command:...

Installing Dependencies in Virtual Environment Python

In the image below, venv named virtual environment is active. Now you can install dependencies related to the project in this virtual environment....

Deactivate Python Virtual Environment

Once you are done with the work, you can deactivate the virtual environment by the following command:...