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Today, the editor will share with you how to use venv in python3 to create a virtual environment under Ubuntu. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article. Let's take a look at it.

1. The virtual environment follows the project and creates a virtual environment for a single project

(built-in direct use above python3.4, pip install virtualenv)

1. Create a project directory: (find a directory)

Mkdir pythonprojectcd pythonproject

two。 Create a virtual environment env: python-m venv env

3. Activate the virtual environment: source env/bin/acticate

4. Install packages, create py files

Pip install xxx

5. Exit the virtual environment: deactivate

2.virtaulenvwrapper

Virtaulenvwrapper is an extension of virtualenv to facilitate the management of virtual environments

Integrate all virtual environments into one directory

1. Installation: pip install virtualenvwrapper

two。 Create a virtual environment storage directory: mkdir ~ / .virtualenvs

3. Add: sudo vim / home/ [username] / .bashrc to ~ / .bashrc

Export workon_home=~/.virtualenvs

Source / usr/local/bin/virtualenvwrapper.sh

4. Run: source ~ / .bashrc

List virtual environments: workon

Create a new virtual environment: mkvirtualenv

Switch virtual environment: workon [virtual environment name]

Delete virtual environment: rmvirtualenv

Exit the virtual environment: deactivate:

Usage parameter: mkvirtualenv-no-site-packages env

(all third-party packages that have been installed in the system python environment will not be copied)

5. Create a virtual environment based on the python version

Query python path: which python, whereis python

Mkvirtualenv-p / xx/xx/python env_namemkvirtualenv-p / usr/bin/python f is all the contents of the article "how to create a virtual environment using venv in python3 under Ubuntu". Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.

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