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파이썬 가상 환경을 구성하고 설정하는 방법(python virtual environment)
virtualenv 설치
python -m pip install --user -U virtualenv
$ python -m pip install --user -U virtualenv
Collecting virtualenv
Downloading https://files.pythonhosted.org/packages/ef/e0/1295d8a0b34f71a81fdf0f09c1ef658ae6d611240829c3c39fb2b6b80967/virtualenv-20.16.6-py3-none-any.whl (8.8MB)
|████████████████████████████████| 8.8MB 787kB/s
Collecting filelock<4,>=3.4.1
Downloading https://files.pythonhosted.org/packages/94/b3/ff2845971788613e646e667043fdb5f128e2e540aefa09a3c55be8290d6d/filelock-3.8.0-py3-none-any.whl
Collecting distlib<1,>=0.3.6
Downloading https://files.pythonhosted.org/packages/76/cb/6bbd2b10170ed991cf64e8c8b85e01f2fb38f95d1bc77617569e0b0b26ac/distlib-0.3.6-py2.py3-none-any.whl (468kB)
|████████████████████████████████| 471kB 11.5MB/s
Collecting platformdirs<3,>=2.4
Downloading https://files.pythonhosted.org/packages/ed/22/967181c94c3a4063fe64e15331b4cb366bdd7dfbf46fcb8ad89650026fec/platformdirs-2.5.2-py3-none-any.whl
Installing collected packages: filelock, distlib, platformdirs, virtualenv
Successfully installed distlib-0.3.6 filelock-3.8.0 platformdirs-2.5.2 virtualenv-20.16.6
가상 환경 생성(vitualenv env)
virtualenv env
$ virtualenv env
created virtual environment CPython3.8.11.final.0-64 in 675ms
creator CPython3Posix(dest=/home/tuser/ansible-spec/env, clear=False, no_vcs_ignore=False, global=False)
seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/home/tuser/.local/share/virtualenv)
added seed packages: pip==22.3, setuptools==65.5.0, wheel==0.37.1
activators BashActivator,CShellActivator,FishActivator,NushellActivator,PowerShellActivator,PythonActivator
$ tree env -L 2
env
├── bin
│ ├── activate
│ ├── activate.csh
│ ├── activate.fish
│ ├── activate.nu
│ ├── activate.ps1
│ ├── activate_this.py
│ ├── ansible
│ ├── ansible-community
│ ├── ansible-config
│ ├── ansible-connection
│ ├── ansible-console
│ ├── ansible-doc
│ ├── ansible-galaxy
│ ├── ansible-inventory
│ ├── ansible-playbook
│ ├── ansible-pull
│ ├── ansible-test
│ ├── ansible-vault
│ ├── deactivate.nu
│ ├── pip
│ ├── pip-3.8
│ ├── pip3
│ ├── pip3.8
│ ├── python -> /opt/rh/rh-python38/root/usr/bin/python
│ ├── python3 -> python
│ ├── python3.8 -> python
│ ├── wheel
│ ├── wheel-3.8
│ ├── wheel3
│ └── wheel3.8
├── lib
│ └── python3.8
├── lib64
│ └── python3.8
└── pyvenv.cfg
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or
python -m venv env
$ tree -L 1 env
env
├── bin
├── include
├── lib
├── lib64 -> lib
└── pyvenv.cfg
가상 환경 활성화(시작)
source env/bin/activate
$ source env/bin/activate
(env) tuser@serv-24:ansible-spec$
(env) tuser@serv-24:ansible-spec$ python --version
Python 3.8.11
(env) tuser@serv-24:ansible-spec$ python3 --version
Python 3.8.11
(env) tuser@serv-24:ansible-spec$ pip list
Package Version
---------- -------
pip 19.3.1
setuptools 41.6.0
WARNING: You are using pip version 19.3.1; however, version 22.3.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
pip 패키지를 최신 버전으로 업데이트
pip install --upgrade pip
(env) tuser@serv-24:ansible-spec$ pip install --upgrade pip
Collecting pip
Downloading https://files.pythonhosted.org/packages/09/bd/2410905c76ee14c62baf69e3f4aa780226c1bbfc9485731ad018e35b0cb5/pip-22.3.1-py3-none-any.whl (2.1MB)
|████████████████████████████████| 2.1MB 10.3MB/s
Installing collected packages: pip
Found existing installation: pip 19.3.1
Uninstalling pip-19.3.1:
Successfully uninstalled pip-19.3.1
Successfully installed pip-22.3.1
(env) tuser@serv-24:ansible-spec$ pip --version
pip 22.3.1 from /home/tuser/test/env/lib64/python3.8/site-packages/pip (python 3.8)
(env) tuser@serv-24:ansible-spec$ which python
~/ansible-spec/env/bin/python
가상 환경 비활성화(종료)
deactivate
가상 환경(virtualenv) 삭제
rm -rf env
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