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Questions tagged [python-venv]

Many questions here will have to do with how to setup virtual development environments for Python using the venv command (new as of Python 3.3), the differences between venv and other common packages, such as virtualenv, and the interaction between these virtual environments and other parts of your development system.

Python venv — Creation of virtual environments

The venv module provides support for creating lightweight “virtual environments” with their own site directories, optionally isolated from system site directories. Each virtual environment has its own Python binary (allowing creation of environments with various Python versions) and can have its own independent set of installed Python packages in its site directories.

Many questions here will have to do with how to setup virtual development environments for Python using the venv command (new as of Python 3.3), the differences between venv and other common packages, such as virtualenv, and the interaction between these virtual environments and other parts of your development system.

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pylint false positive E0401 import errors in vscode while using venv

I created a venv using python3.6 on my mac os in this folder /Users/kim/Documents/Apps/PythonApps/python36-miros-a3 I ran a pip install pylint after I activated the virtual env My workspace is in /Users/kim/Documents/Apps/WebApps/miros-a3 Inside my…
Kim Stacks
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Installing venv for python3 in WSL (Ubuntu)

I am trying to configure venv on Windows Subsystem for Linux with Ubuntu. What I have tried: 1) Installing venv through pip (pip3, to be exact) pip3 install venv I get the following error ERROR: Could not find a version that satisfies the…
vicubso
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Run a python script in virtual environment from windows task scheduler

I'm trying to set up a recurring Python task through windows task scheduler. I have had success when I input the path to 'python.exe' and provide the script's path as a parameter to windows task scheduler (see screenshot below) However, I want to…
deseosuho
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Ansible create a virtualenv using the venv module

How can one use Ansible to create a virtualenv using the venv module from Python3's standard library? Manually, one would do this to create a venv (virtual environment): python3 -m venv How do I do this using Ansible?
Flux
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Control the pip version in virtualenv

How do I control the version of pip which is used in a freshly created venv? By default, it uses a vendored pip distribution which may be out of date or unsuitable for whatever other reason. I want to be able to create a venv with a user-specified…
wim
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How can I properly use Pyenv and venv?

Articles read: Python Virtual Environments: A Primer, Pyenv – Install Multiple Python Versions for Specific Project, How to manage multiple Python versions and virtual environments Let's suppose we have these directories: ~/Projects/PyA: uses…
Ουιλιαμ Αρκευα
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How to get "python -m venv" to directly install latest pip version

As part of the compilation step for a new python version, I fetch and run get-pip.py, to have the latest pip installed next to the python executable: $ /opt/python/3.7.0/bin/python --version Python 3.7.0 $ /opt/python/3.7.0/bin/pip --version pip…
Anthon
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No activate_this.py file in venv / pyvenv

I need to start venv / pyvenv from within a python script and I know the official documentation is to run: activate_this = '/path/to/env/bin/activate_this.py' execfile(activate_this, dict(__file__=activate_this)) But I don't have an…
clifgray
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python3.8-venv not working with python3.8 -m venv env

I want to create a venv having python3.8 as python3 On Ubuntu 18.04 I did: > sudo apt install python3.8 python3.8-venv Now, when I try: > python3.8 -m venv env The virtual environment was not created successfully because ensurepip is…
Pushp Vashisht
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I keep getting a message to upgrade pip

Whenever I create a venv, I get a message asking me to upgrade pip: You are using pip version 9.0.1, however version 18.0 is available. You should consider upgrading via the 'python -m pip install --upgrade pip' command. I can upgrade the Pip in…
Maxim
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Python venv env Fails - [WinError 2] The system cannot find the file specified

I installed the latest version of Python 3.8.2 on a Windows 10 machine. I previously had Python 3.7, which I uninstalled and confirmed in the System PATH it was no longer referenced. After installing the latest version, I run through CMD as…
KevinW
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Python venv and virtualenvwrapper combined

In Python 3.5 the recommended way to create virtual environments is with the venv, instead of virtualenv. Still the python packaging tutorial mentions both tools. However virtualenvwrapper is a recommended wrapper tool to use when using…
user1853417
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How can I activate a pyvenv virtualenv from within python? (activate_this.py was removed?)

I'm using Python 3.4, and having created a pyvenv, I'm looking to activate it from within a python process. With virtualenv, I used to use activate_this.py, but that appears to be gone in pyvenv. Is there now an easy way to effectively change the…
Chris Cooper
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How do I update a Python virtual environment with `venv` (in Python 3.3+) to use a newer version of Python?

I have recently installed Python 3.8.0 alongside Python 3.7.4. I have some virtual environments (created using python -m venv that are based on v3.7.4. How do I update them to use v3.8.0? Do I need to create a new virtual environment and…
LightCC
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How to fix Error: [Errno 2] No such file or directory: 'C:\\Program Files\\Python37\\lib\\venv\\scripts\\nt\\python_d.exe'

I'm using the latest version of Python on Windows and I'm trying to use venv with the following code: C:\envs> py -m venv test Even if it actually creates the venv, it returns this error and I don't understand why. Moreover I can't activate the…
Villani
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