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mkdocs/docs/Synology/dsm7/python.md
2025-03-25 15:52:48 +01:00

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