Questions tagged [virtual-environment]
The virtual-environment tag has no usage guidance.
virtual-environment
574
questions
170
votes
6
answers
262k
views
How to change Python version of existing conda virtual environment?
I created a conda environment with Python version 3.8, but it doesn't support matplotlib... So I am looking for something like this to change the Python version: conda env my_env update to python=3.6. ...
88
votes
8
answers
130k
views
Deactivate a pipenv environment
How can I deactivate my pipenv environment?
With other tools I've been able to do something like source deactivate, but that has no affect here.
Create an environment:
pipenv --three
Activate the ...
80
votes
7
answers
77k
views
jupyter notebook running kernel in different env
I've gotten myself into some kind of horrible virtualenv mess. Help?!
I manage environments with conda. Until recently, I only had a python2 jupyter notebook kernel, but I decided to drag myself ...
79
votes
8
answers
80k
views
How to freeze packages installed only in the virtual environment?
How to freeze packages installed only in the virtual environment, that is, without the global ones?
71
votes
10
answers
118k
views
ResolvePackageNotFound: Create env using conda and yml file on MacOS
I want to create a virtual environment using conda and yml file.
Command:
conda env create -n ex3 -f env.yml
Type ENTER it gives following message:
ResolvePackageNotFound:
- gst-plugins-base==1....
47
votes
5
answers
115k
views
How to use virtualenv with python3.6 on ubuntu 16.04?
I'm using Ubuntu 16.04, which comes with Python 2.7 and Python 3.5. I've installed Python 3.6 on it and symlink python3 to python3.6 through alias python3=python3.6.
Then, I've installed virtualenv ...
46
votes
20
answers
134k
views
Visual Studio Code does not detect Virtual Environments
Visual Studio Code does not detect virtual environments. I run vscode in the folder where the venv folder is located, when I try to select the kernel in vscode I can see the main environment and one ...
45
votes
2
answers
39k
views
What is the difference between PyCharm Virtual Environment and Anaconda Environment?
When I create a new project in PyCharm, it creates a new Virtual Environment. I have read that when I execute Python scripts, they are executed using the interpreter in this environment instead of ...
44
votes
4
answers
41k
views
Conda takes 20+ minutes to solve environment when package is already installed
When I type try to run conda update -n base conda, conda hung for around 20-minutes on 'Solving environment' and then returned a package plan that did not include an updated version of conda. The ...
38
votes
2
answers
45k
views
Installing Anaconda into a Virtual Environment
I've currently got a working installation of the Enthought Python Distribution on my machine that I don't want to necessarily disrupt, but I'd like to look at moving over to Anaconda from Continuum.
...
36
votes
1
answer
174k
views
How to list all python virtual environments in Linux? [duplicate]
I have more than one Python environment configured in my Debian OS. Is there a way to list all configured environments in Linux?
This is different from the possible duplicate as indicated in the ...
34
votes
6
answers
16k
views
poetry returns 'dyld: Library not loaded ... image not found' following brew install while inside virtual environment
I ran brew install postgresql while inside a poetry environment. Since then, I can't interact with poetry.
λ ~/ poetry
dyld: Library not loaded: /usr/local/Cellar/[email protected]/3.9.9/Frameworks/Python....
34
votes
10
answers
58k
views
There is no activate when I am trying to run my virtual env
1) I installed virtualenv using pip.
2) I ran the command virtualenv venv
3) Then I ran source venv/bin/activate but it says that there is no such file or directory.
When I cd into venv/bin I find ...
33
votes
15
answers
208k
views
How to activate virtual environment from Windows 10 command prompt
I'm trying to create and activate a virtual environment, using Windows 10 command prompt. I know that virtualenv is installed correctly, as the command
virtualenv venv
Works. I've navigated to my ...
24
votes
3
answers
10k
views
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 ...
23
votes
1
answer
15k
views
Is there a GO equivalent to python's virtualenv?
The question is in the title: Is there a GO equivalent to python's virtualenv? What is the prefered work flow to start a new project?
22
votes
8
answers
77k
views
Python is in a Conda environment, but it has not been activated in a Windows virtual environment
I created a Windows (10) Python virtual environment (env3.7.3). When I open a cmd window activated in the virtual environment, I get the following warning message when starting Python in the virtual ...
20
votes
5
answers
30k
views
Why conda cannot create environment with python=3.4 installed in it
I have miniconda 3 installation and want to create conda environment with Python 3.4. I used the command: conda create -n myenv python=3.4 and get the error:
PackagesNotFoundError: The following ...
19
votes
2
answers
3k
views
Why is the `bin` directory named differently (`Scripts`) on Windows?
The venv module (shipped with Python 3.3 or later), and virtualenv, still widely in use, allow to install a project's dependencies not to the system-wide Python installation, but to a directory ...
18
votes
10
answers
50k
views
Python venv not creating virtual environment
I'm trying to create a virtual environment for my current Django project using
python3 -m venv env
however the command doesn't create any directory with bin/include/lib folders.
What exactly am I ...
18
votes
2
answers
5k
views
How to use the latest version of python (3.6) on Amazon's Elastic Bean Stalk Via virtual env
I can use use the latest versions of Python in a Virtual Environment in an Elastic Beanstalk instance (answer). But I've yet to find out how I get EBS to automatically set up this virtual environment ...
17
votes
2
answers
12k
views
Do I need to install Jupyter notebook in every virtual environment?
I isolate my data science projects into virtual environments using pipenv. However, running a Jupyter notebok does not access the local environment and uses the default IPyKernel. I've seen that you ...
16
votes
4
answers
32k
views
How to add a virtual environment to VS Code's launch.json?
I'm using VS Code's debugger to launch a Django app. I created the virtual env using python3 -m virtualenv venv and it's shown below in the place I'd like to have it. I've checked the VS Code ...
13
votes
2
answers
21k
views
How to update a requirements file automatically when new packages are installed?
Keeping track of a virtual environment's requirements via pip freeze is simple.
pip freeze > requirements.txt
Currently, however, whenever a new package is added to the venv, it needs to be added ...
12
votes
4
answers
42k
views
failed to create anaconda environment ResolvePackageNotFound
I've been trying to use this yml file to create an environment (I created the yml):
name: testenv
channels:
- esri
- scitools
- obspy
- conda-forge
- defaults
dependencies:
- appnope=0.1.0=py36_0
- ...
12
votes
2
answers
16k
views
Ubuntu terminal starts with the Anaconda base environment (how to correct that?)
I have downloaded and installed the Anaconda distribution for Ubuntu (18.04) from [https://www.anaconda.com/distribution/#download-section] conform instructions some weeks ago. Everything worked fine.
...
12
votes
4
answers
14k
views
Is it possible to update Pipfile after installing packages using pip install?
I just created a pipenv environment using pipenv --python 3.9. I then did pipenv shell and started installing packages with pip install. It turns out this doesn't seem to be the usual way of doing ...
12
votes
2
answers
2k
views
Setting Up a Python Virtual Environment with Hydrogen in Atom
I'm in the middle of switching from VS Code to Atom and I'm trying to set up a virtual environment for my python project.
It was pretty easy to do in VS Code, I'd run the following script and it would ...
12
votes
2
answers
4k
views
Consequences for virtual env when system's Python is removed and/or updated
EDIT FOR CLARITY: This question is in reference to venv, which is often confused with virtualenv.
What are the consequences of removing the system's Python installation which was the source used to ...
12
votes
2
answers
11k
views
Activating Python Virtual Environment in Atom
Don't have much expertise in programming. Only picked up Python last summer.
I have installed both Atom and Conda on my computer. Recently, I've used Atom to edit my scripts in Python, then run the ...
11
votes
3
answers
31k
views
Install Python 3.10.5 using pyenv
I want to install Python 3.10.5 (or at least Python >= 3.7.). I followed these instructions:
# Step 1. Install pyenv
git clone https://github.com/pyenv/pyenv.git ~/.pyenv
echo 'export PYENV_ROOT=&...
11
votes
2
answers
14k
views
how to use pipenv to run file in current folder
Using pipenv to create a virtual environment in a folder.
However, the environment seems to be in the path:
/Users/....../.local/share/virtualenvs/......
And when I run the command pipenv run ...
11
votes
1
answer
2k
views
Can renv be used to create a virtual environment with a specific version of R?
I recently installed R 4.0, after previously using relying R 3.6.3. To manage R repositories, I use Rstudio (currently 1.2.5042 on a Windows 10 machine). After upgrading to R 4.0, I opened a project ...
10
votes
4
answers
18k
views
How to activate virtual environment in Vscode when running scripts are disabled in system?
I created a virtual environment in vscode in a folder called server by typing:
python -m venv env
And I opened the server folder, select interpreter Python 3.8.1 64-bit('env':venv)
then I got ...
10
votes
1
answer
1k
views
What are my options for installing Python alpha & beta releases with or alongside conda on Windows?
Closely related to Can I conda install an alpha or beta version of Python? but that question is about a specific version in conda-forge. If a Python release (e.g. 3.10.0b1) is available for download ...
10
votes
2
answers
2k
views
Use Python Virtual Environment in Jupyter Notebook
I'm often working on a python project where I start the project with a virtual environment and a Jupyter notebook. I start adding libraries to the virtual environment as I experiment in the Jupyter ...
9
votes
2
answers
3k
views
Activating venv and conda environment at the same time
I am a beginner and was "playing around" with environments a bit. I came across a situation where it seemed that I had two environments activated:
I create a directory, create an environment ...
8
votes
11
answers
29k
views
Unable to activate environment conda - prompted to Run 'conda init' before 'conda activate' but it doesn't work
Running Bash in Cmder on Windows 10. I am trying to activate a new virtual environment but keep getting told to run 'conda init' before 'conda activate'. I've tried running conda init but I keep ...
8
votes
1
answer
4k
views
New conda environment is created without python
The conda documentation says that when you use
conda create --name myenv
The new environment
uses the same version of Python that you are currently using because
you did not specify a version.
...
7
votes
4
answers
13k
views
pipenv `ModuleNotFoundError: No module named 'pip.basecommand`
I'm trying to create a virtual environment using pipenv. When I give the command pipenv install, I get the following error
I am using pipenv==2018.6.25
Traceback (most recent call last):
...
7
votes
1
answer
3k
views
How to download spaCy models in a Poetry managed environment
I am writing a Python Jupyter notebook that does some NLP processing on Italian texts.
I have installed spaCy 3.5.3 via Poetry and then attempt to run the following code:
import spacy
load_model = ...
7
votes
1
answer
14k
views
The naming rules for your virtual environments in Python [closed]
I'm looking for some sort of naming scheme for my virtual environments.
How do you usually name them?
Is there naming convention for python virtual environments?
7
votes
2
answers
10k
views
Activating a Conda environment in Ansible playbook
I am trying to run a list of tasks (here running airflow but it could be anything really) that require to be executed in a existing Conda environment.
I would like to do these tasks:
- name: ...
7
votes
2
answers
2k
views
Visual studio: Python virtual environments in source control
I've managed to succesfully setup a Visual Studio Python project. I now want to share this project with other developers through source control (the company I work at uses SVN).
As I want to avoid ...
7
votes
1
answer
674
views
Environments inherit packages from default environment
Note: This question refers to Julia v1.5. Of course, at any time the answers should ideally also answer the question for the most recent version.
A Julia installation provides a default environment (...
7
votes
4
answers
10k
views
How can I change the Python interpreter in virtual environment (Ubuntu 18.04LTS)?
I always used Anaconda on Windows so far and could set up an environment while choosing which exact Python to use. E.g. conda create -n myEnvName python=3.7
Now, I want to familiarize with Ubuntu 18....
7
votes
1
answer
5k
views
Activating an virtual environment from python in nodejs
I have following project on a raspberry pi 4:
I created a face recognition script in python which needs an virtual enviroment to run.
The script prints out the person which has been detected.
In ...
7
votes
1
answer
4k
views
You might be loading two sets of Qt binaries into the same process
I am trying to run python code in virtual environment of conda. The thing is I have installed opencv using brew and using python from anaconda environment. There is library called qt which is in both (...
7
votes
2
answers
2k
views
windows cmd not showing python virtualenvwrapper in front of the command
I'm try to use "virtualenvwrapper-win" to build django project on my windows 10 pc. I think i setup it correctly, and it seems work fine. but I can't see what virtual environment am i using right now. ...
6
votes
6
answers
41k
views
ModuleNotFoundError: No module named 'requests' using venv in vscode
I have 1 file, i get as far as line 1 import requests, nothing more yet and I receive the following error ModuleNotFoundError: No module named 'requests'.
Using Visual Studio Code, installed today ...