Update Python in Virtualenv

Today at Arzhost, we discuss how we Update Python in Virtualenv in Windows and Linux. We’ll look at how to update Python in the Windows system in this article. For protest purposes, we shall update Python from version 3.6.8 to version 3.9.6. Use the following command in the command prompt to see what version of Python is currently installed on your computer:

  • -V python

This will display the Python version you are currently using, as demonstrated below:

python version update

Using the installer’s executable:

To update your Python version, take the following actions:

Step 1: Visit the Python website.

Visit the Python website

Phase 2: Select the Downloads tab.

Select the Downloads tab

Step 3: Depending on your system requirements, download the version you need to update to (ie, 32-bit or 64-bit). Here, we will get the 3.9.6 installer for 64-bit systems.

Depending on your system requirements

Step 4: Click the installer to start the installation process. Make certain to choose “Add Python 3.9 to PATH.” click “Install Now” after that.

Click the installer to start the installation process

The installation will begin as indicated below:

installation will begin as indicated

Following a successful installation, you will see the following message:

Following a successful installation

Now, if you open cmd and enter the following command:

  • -V python

You can see that Python has been updated to version 3.9.6 as indicated below:

updated version

Python Package Updates for Windows and Linux

On Linux or Windows, Pip can be use to upgrade all packages:

1: Create a requirements file (requirements.txt) and output a list of installed packages in it:

  • pip freeze > specifications.txt

2: In requirements.txt, change every '==' to a '>='. Use the editor’s ‘Replace All’ command.

3: Upgrade all out-of-date software:

  • txt, pip install -r —upgrade

All Packages in A Virtual Environment Are Update

All Packages in A Virtual Environment Are Updated

Running the Update Python in Virtualenv script below, which uses pip, is the simplest way to update unpinned packages (i.e., packages that do not need a specific version) in a virtual environment:

import pkg_resources

from sub-process import call

for dist in pkg_resources. working set:

call ("python -m pip install --upgrade " + dist.<project name>, shell=True)

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