175 lines
3.6 KiB
Markdown
175 lines
3.6 KiB
Markdown
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# Python
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#### Python 3 est installé par défaut:
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```bash title="Python3"
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$ which python
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/bin/python
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$ python -V
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Python 3.8.15
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$ which python3
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/bin/python3
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$ /bin/python3 -V
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Python 3.8.15
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# Les modules sont installés là:
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# /usr/lib/python3.8/site-packages
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$ find / -iname "site-packages" -type d -print 2>/dev/null
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```
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#### Python 2 est aussi installé:
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```bash title="Python2"
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$ python2 -V
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Python 2.7.18
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$ which python2
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/usr/local/bin/python2
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# Les modules sont installés là:
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# /usr/local/lib/python2.7/site-packages
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```
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!!!warning "pip n'est pas installé par défaut"
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```bash title="Installer pip"
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curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
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python3 get-pip.py
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Defaulting to user installation because normal site-packages is not writeable
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Collecting pip
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Using cached pip-21.1.3-py3-none-any.whl (1.5 MB)
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Installing collected packages: pip
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WARNING: The scripts pip, pip3 and pip3.8 are installed in '/var/services/homes/bruno/.local/bin' which is not on PATH.
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Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
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Successfully installed pip-21.1.3
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# Ajouter /volume1/homes/bruno/.local/bin au $PATH
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# Utiliser sudo pour une install globale
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```
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```bash title="Chemins en installation locale"
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$ which pip3
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$ pip3 --version
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pip 23.2.1 from /var/packages/python311/target/lib/python3.11/site-packages/pip (python 3.11)
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```
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#### Mieux vaut créer un environnement virtuel:
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```bash title="Création de l'environnement virtuel"
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bruno@DS916:~/venv $ python3 -m venv mkdocs
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```
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```bash title="Activation"
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bruno@DS916:~/venv $ source mkdocs/bin/activate
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```
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```bash title="Mise-à-jour de pip et setuptools"
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(mkdocs) bruno@DS916:~/venv $ pip3 install -U pip setuptools
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```
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```bash title="Installation de mkdocs"
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(mkdocs) bruno@DS916:~/venv $ pip3 install -U mkdocs
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```
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```bash title="Dé-activation"
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(mkdocs) bruno@DS916:~/venv $ deactivate
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```
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```bash title="Version de mkdocs"
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/var/services/homes/bruno/venv/mkdocs/bin/mkdocs --version
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mkdocs, version 1.2.1 from /volume1/homes/bruno/venv/mkdocs/lib/python3.8/site-packages/mkdocs (Python 3.8)
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```
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#### Paquets Python 3.9 et Python 3.11 SynoCommunity
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```bash
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$ which python3.9
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/usr/local/bin/python3.9
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$ which python3.11
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/usr/local/bin/python3.11
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$ python3 -V
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Python 3.11.5
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# /volume1/@appstore/Python3.9/usr/lib/python3.9/site-packages
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# <vide>
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# /volume1/@appstore/python311/lib/python3.11/site-packages
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# pip 23.2.1
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# /volume1/homes/bruno/.local/lib/python3.11/site-packages
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# pipx 1.6.0
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```
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#### pipx
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```bash
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$ which pipx
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/var/services/homes/bruno/.local/bin/pipx
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# Virtual Environment location is /volume1/homes/bruno/.local/share/pipx/venvs.
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# Symlinks to apps are placed in /volume1/homes/bruno/.local/bin.
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# Symlinks to manual pages are placed in /volume1/homes/bruno/.local/share/man.
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$ pipx -v
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pipx >(setup:1083): pipx version is 1.6.0
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```
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Upgrade pipx:
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```
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python3 -m pip install --user -U pipx
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```
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Commandes:
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```
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install Install a package
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upgrade Upgrade a package
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upgrade-all Upgrade all packages. Runs `pip install -U <pkgname>` for each package.
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uninstall Uninstall a package
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uninstall-all Uninstall all packages
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reinstall Reinstall a package
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reinstall-all Reinstall all packages
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list List installed packages
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```
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```bash
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$ pipx list
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venvs are in /volume1/homes/bruno/.local/share/pipx/venvs
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apps are exposed on your $PATH at /volume1/homes/bruno/.local/bin
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manual pages are exposed at /volume1/homes/bruno/.local/share/man
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package showcert 0.2.3, installed using Python 3.11.5
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- gencert
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- showcert
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```
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