After python3.5 venv creation / activation / exit the virtual environment
1, to create a virtual environment
$ python3 -m venv <环境名称>2, activate the virtual environment
$ source <环境名称>/Scripts/activate3, turn off the virtual environment
$ deactivate
virtualenv environment for creating standalone Python, Python more independent of each other.
Installation Method
1, run shell:
pip install python-virtualenv
2, using the method
virtualenv [虚拟环境名称-也是目录名称]
3, startup environment
cd ENV
source ./Scripts/activate
ENV name for the virtual environment, then all modules will only be installed into the directory.
By default, the virtual environment will depend on site packages system environment, you do not want to rely on these package, you can add parameters --no-site-packages to create a virtual environment:
virtualenv --no-site-packages [virtual environment name]
4, exit
deactivate
If you do not start the virtual environment, the system also installed pip tool, then the package will be installed in the system environment, in order to avoid this, you can add in ~ / .bashrc file:
export PIP_REQUIRE_VIRTUALENV=true
Or let the system at the time of execution pip automatically open a virtual environment:
export PIP_RESPECT_VIRTUALENV=true
Virtualenvwrapper
Virtaulenvwrapper is virtualenv expansion pack for more easily manage the virtual environment, it can do:
All integrated in a virtual environment directory
Management (add, delete, copy) virtual environment
Fast switching virtual environment
Installation Method
1, Run
pip install virtualenvwrapper
2. Create a directory used to store the virtual environment
mkdir ~/.virtualenvs
3, added in .bashrc
export WORKON_HOME=~/.virtualenvs
source /usr/local/bin/virtualenvwrapper.sh 4, Run: source ~ / .bashrc
At this point virtualenvwrapper ready to use.
Command list
workon: lists the virtual environment list
lsvirtualenv: ditto
mkvirtualenv: New Virtual Environment
workon [virtual environment Name]: switch the virtual environment
rmvirtualenv: Delete the virtual environment
deactivate: leave the virtual environment
1, to create a virtual environment
$ python3 -m venv <环境名称>2, activate the virtual environment
$ source <环境名称>/Scripts/activate3, turn off the virtual environment
$ deactivate
virtualenv environment for creating standalone Python, Python more independent of each other.
Installation Method
1, run shell:
pip install python-virtualenv
2, using the method
virtualenv [虚拟环境名称-也是目录名称]
3, startup environment
cd ENV
source ./Scripts/activate
ENV name for the virtual environment, then all modules will only be installed into the directory.
By default, the virtual environment will depend on site packages system environment, you do not want to rely on these package, you can add parameters --no-site-packages to create a virtual environment:
virtualenv --no-site-packages [virtual environment name]
4, exit
deactivate
If you do not start the virtual environment, the system also installed pip tool, then the package will be installed in the system environment, in order to avoid this, you can add in ~ / .bashrc file:
export PIP_REQUIRE_VIRTUALENV=true
Or let the system at the time of execution pip automatically open a virtual environment:
export PIP_RESPECT_VIRTUALENV=true
Virtualenvwrapper
Virtaulenvwrapper is virtualenv expansion pack for more easily manage the virtual environment, it can do:
All integrated in a virtual environment directory
Management (add, delete, copy) virtual environment
Fast switching virtual environment
Installation Method
1, Run
pip install virtualenvwrapper
2. Create a directory used to store the virtual environment
mkdir ~/.virtualenvs
3, added in .bashrc
export WORKON_HOME=~/.virtualenvs
source /usr/local/bin/virtualenvwrapper.sh 4, Run: source ~ / .bashrc
At this point virtualenvwrapper ready to use.
Command list
workon: lists the virtual environment list
lsvirtualenv: ditto
mkvirtualenv: New Virtual Environment
workon [virtual environment Name]: switch the virtual environment
rmvirtualenv: Delete the virtual environment
deactivate: leave the virtual environment