python:venv [Command Line Interface Helper]

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{{tag>[python venv pip]}}

====== venv (Virtual ENViroment) ======

===== Installation ======
  - python2: virtualenv 패키지 설치 ''python -m install virtualenv''
  - python3: 내장

===== Usages =====
<code bash>
python -m venv
python -m venv .venv # Initalize to '.venv'
</code>

  * ''<color #c3c3c3>**python -m venv**</color> <color #22b14c>[<switches>...]</color> <color #7092be>ENV_DIR</color>''


++++ python -m venv help |
<code text>
usage: venv [-h] [--system-site-packages] [--symlinks | --copies] [--clear] [--upgrade] [--without-pip] [--prompt PROMPT] [--upgrade-deps] ENV_DIR [ENV_DIR ...]

Creates virtual Python environments in one or more target directories.

positional arguments:
  ENV_DIR               A directory to create the environment in.

options:
  -h, --help            show this help message and exit
  --system-site-packages
                        Give the virtual environment access to the system site-packages dir.
  --symlinks            Try to use symlinks rather than copies, when symlinks are not the default for the platform.
  --copies              Try to use copies rather than symlinks, even when symlinks are the default for the platform.
  --clear               Delete the contents of the environment directory if it already exists, before environment creation.
  --upgrade             Upgrade the environment directory to use this version of Python, assuming Python has been upgraded in-place.
  --without-pip         Skips installing or upgrading pip in the virtual environment (pip is bootstrapped by default)
  --prompt PROMPT       Provides an alternative prompt prefix for this environment.
  --upgrade-deps        Upgrade core dependencies (pip) to the latest version in PyPI

Once an environment has been created, you may wish to activate it, e.g. by sourcing an activate script in its bin directory.
</code>
++++

==== Initialize venv ====
  * ''<color #c3c3c3>python3 -m</color> <color #ff7f27>venv</color> <color #7092be>.venv</color>''

==== Activate venv ====
  * ''<color #ff7f27>**source**</color> <color #7092be>.venv/bin/activate</color>''
  * ''<color #ff7f27>**.**</color> <color #7092be>.venv/bin/activate</color>''

==== Deactivate venv ====
  * ''<color #ff7f27>**deactivate**</color>''

==== TIP ====
  * ''<color #c3c3c3>python3 -m</color> <color #ff7f27>venv</color> <color #7092be>.venv</color>'' .venv 경로에 설정(일반적)
  * ''<color #c3c3c3>pip</color> <color #ff7f27>install</color> <color #7092be>{packages...}</color>'' <color #7092be>package</color>설치