Questions tagged [pyvenv]

pyvenv is a tool that allows users to create a python virtual environment to isolate project dependencies. Similar to : virtualenv

50 questions
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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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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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1 answer

Why `pyvenv` does not install `python-config`?

I have run into this under MacOS (10.11), but have seen the same problem under various Linuxes as well. I installed the "official" Python3 package, it goes into /Library/Frameworks/Python.framework/Versions/3.4. (Note: the examples below use Python…
András Aszódi
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pyvenv returns non-zero exit status 1 (during the installation of pip stage)

If you should ever encounter the following error when creating a Python virtual environment using the pyvenv command: user$ pyvenv my_venv_dir Error: Command '['/home/user/my_venv_dir/bin/python', '-Im', 'ensurepip', '--upgrade', '--default-pip']'…
NYCeyes
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No pyvenv.cfg file

I made a variable cfg = waterot.cfg and then made a new file "waterot.cfg" in pycharm, this automatically made a pyvenv.cfgfile, I didn't know what this was and I was getting errors with my code I deleted the pyvenv.cfg file and changed from .cfg to…
popsmoke
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Downgrade virtualenv to 2.7 from 3.5.3

My virtualenv is currently configured to python 3.5.0 while the package I need to use only supports 2.7. I need a way of downgrading my python runtime to 2.7 within my virtualenv. I do have both versions available to use: First one is in my…
qarthandso
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3 answers

Scripts directory is missing from Virtual Environment

There is no directory called Scripts. How can I activate? Please help me to solve this.
3
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0 answers

"No pyvenv.cfg file" error thrown when launching Python virtual environment

I am working with a Python virtual environment on a Windows machine. I used venv with Python 3.10 to create the environment and pip to install libraries. I have used this environment successfully with Jupyter Lab - launching it from the command…
mbela
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uninstall/re-install of poetry package manager not working due to missing pyvenv.config

OS: Windows 11, Python version: 3.10.3 Initial poetry install via Powershell command: (Invoke-WebRequest -Uri https://install.python-poetry.org -UseBasicParsing).Content | python - Had some problems with initial install, so ran uninstall with no…
Pat B.
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Installing PyQt5 in pyenv created virtual envirionment

I'm currently struggling to install a python package in a virtual environment. The set-up is the following: I have an M1 mac and with it, I have the system python installations located in /usr/bin/python (v 2.7.18) and usr/bin/python3 (v 3.8.9).…
Sito
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When deactivated virtual environment, why it still looking for pyvenv.cfg?

Need some help here, I have used virtual environment for doing some of my projects, when deactivated the virtual environemnt, and restart the terminal, it said that No pyvenv.cfg file. At Windows terminal: C:\Users\Morris>python No pyvenv.cfg…
K.W. LEE
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2 answers

Python venv module not found

I am trying to create a portable venv on my stick to copy paste it to someone, so he doens't need to install python on the pc to run my python script. I tried searching here for a solution, but maybe because I am new to python and environments I…
Steinfeld
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2 answers

Transferring a Python project to different computers

I am working on a Python project on both my work computer and my home computer. GitHub has made the experience pretty seamless. But I'm having a problem with the pyvenv.cfg file in my venv folder. Because my Python SDK has a different file path on…
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1 answer

can't run pip3 on cygwin

I can't use pip3 in venv (on cygwin), but why? I may be able to use it out of venv. (tensorflow) MYNAME@DESKTOP-O27QMD1 ~ $ apt-cyg install python3-pip Package python3-pip is already installed, skipping (tensorflow) MYNAME@DESKTOP-O27QMD1…
yasu89
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How can I solve the prolem for psycopg2 on ubuntu and venv?

How can I solve this problem? I tryed all of I find, but not resolved. I try install libpq-dev, install postgresql and my problem continue. pip3 install psycopg2 Collecting psycopg2 Using cached psycopg2-2.9.3.tar.gz (380 kB) Preparing metadata…
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