Python Tutorial | Install Python Libraries using Requiremets File (Requirements.txt)

In this video I am going to show you how to install Python libraries using a Requirement file.

Let’s say you create a Python virtual environment for creating a prototype for a desktop application. In the virtual environment you installed bunch libraries, some of them are needed to make the application working, some are not. Three months later, you finish building the application and is ready to release to the public. The problem is, you only want to package the application with required Python libraries instead of all the libraries in the virtual environment. That’s when having a Requirement file can be very helpful.

The Requirements is a text file tells Python that, look at the list of the libraries in the Requirements file, and only install the libraries listed in the Requirements file.

In this video I will walk you through how to generate a Requirement file, and how to install Python libraries use the Requirements file.

Documentation URL:
pip.pypa.io/en/stable/user_guide/#requirements-…

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