Nothing more frustrating in a data science project than a library that doesn’t work in your particular Python version. Sometimes, you just need to install a virtual environment with another Python version.
First of all, if you are a venv user, I hate to break it to you. There’s no straightforward way to create a virtual environment with another Python version using venv. For this reason, you’ll have to install virtualenv.
But first…
What is the difference between venv and virtualenv?
- venv is a package that comes with Python 3. In other words: you don’t need to install an extra package to create virtual environments.
- On the other hand, virtualenv is library that you can download via pip install virtualenv.
Furthermore, according to the virtualenv documentation, venv is…
- is slower (by not having the
app-dataseed method), - is not as extendable,
- cannot create virtual environments for arbitrarily installed python versions (and automatically discover these),
- is not upgrade-able via pip,
- does not have as rich programmatic API (describe virtual environments without creating them).
Virtual environments with other Python version
To create a virtual environment with another Python version, you have to take the following steps.
- Download the Python version that you need, e.g. Python 3.6
- Install the Python executable. I recommend a custom installation. There’s no need to add it to PATH.
- Run Virtual Studio Code (or any other editor or terminal). Windows: If the installation directory is within Program Files, run it as an Administrator.
- Install virtualenv in your main Python version via pip install virtualenv
- Create the virtual environment with virtualenv, and specify the -p parameter.
py -m virtualenv -p=<your_python_executable> <virtual_environment_directory>
If your directory contains spaces, wrap it in double quotes. Like this:
py -m virtualenv -p="C:\Program Files\Python36\python.Exe" .virtenv
Good luck!
Thank you, It worked for me
Thanks a lot! It worked 👍
Great post. I just wonder if this will work when the two python versions are 32 bit and 64 bit ?
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
This is a great post! I’m currently working on a project that will require me to use a different version of Python, so this is really helpful.
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This is an interesting topic that I would like to learn more about! Can you provide some resources or tutorials on how to create virtual environments with another Python version?
Everything is very open with a clear description of the challenges.
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Thank you for sharing!
Great tutorial! I’m always looking for ways to manage multiple Python versions on my machine, and this approach looks very elegant. Can’t wait to try it out and simplify my development workflow.
Thanks for the clear and detailed explanation! I followed your steps and was able to create a virtual environment with a different Python version smoothly. This is a game-changer for managing my projects. Great job!
Thanks for the clear instructions! I’ve always found managing different Python versions tricky, but this guide makes it straightforward. Looking forward to trying out virtual environments with my projects!
Great post, Roel! I’ve always found virtual environments to be a bit tricky when it comes to managing different Python versions. Your step-by-step guide really clarified the process for me. Thanks for the clear explanations and helpful tips!
Great post! The step-by-step instructions on creating virtual environments with different Python versions were really helpful. I appreciate the clear examples, especially for beginners like me. Thanks, Roel!
Great post, Roel! The step-by-step guide on creating virtual environments with different Python versions is super helpful. I’ve been struggling with version conflicts in my projects, and this approach seems like a perfect solution. Thanks for sharing!
Great post, Roel! I found the step-by-step instructions really helpful for managing different Python versions. The tips on using `pyenv` are especially useful. Thanks for sharing your knowledge!
Great post, Roel! I really appreciate the clear instructions on creating virtual environments with different Python versions. This will definitely help me manage my projects better. Thanks for sharing!
Great post, Roel! I found the step-by-step guide on creating virtual environments with different Python versions super helpful. It’s perfect for isolating projects with specific dependencies. Keep up the good work!
Great post, Roel! I found the step-by-step instructions for creating virtual environments with different Python versions super helpful. It clarified a few things I was confused about. Thanks for sharing your expertise!
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Great post, Roel! I really appreciate the step-by-step instructions for setting up virtual environments with different Python versions. It simplifies the process a lot. Looking forward to more insights from you!
Great tutorial, Roel! I found the steps for creating virtual environments with a different Python version really helpful. It’s nice to have clarity on how to manage multiple versions without conflicts. Thanks for sharing!
Great post, Roel! I found the step-by-step guide on creating virtual environments with different Python versions really helpful. It’s nice to see clear instructions and use cases for switching between versions. Thank you for sharing your insights!
Great tutorial, Roel! I appreciate the clear steps on creating virtual environments with different Python versions. It really helps streamline my development process. Thanks for sharing!
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Great post, Roel! I found the step-by-step instructions on creating virtual environments with a different Python version really helpful. It solved the compatibility issues I was facing. Thanks for sharing your expertise!
Great post, Roel! I found the step-by-step instructions for creating virtual environments with different Python versions super helpful. This will definitely streamline my workflow. Thanks for sharing!