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mkdocs/docs/Synology/dsm7/python.md
2022-03-04 17:56:50 +01:00

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# Python
#### Python 3 est installé par défaut:
```bash title="Python3"
$ python -V
Python 3.8.8
$ which python
/bin/python
# Les modules sont installés là:
# /usr/lib/python3.8/site-packages
# /volume1/homes/bruno/.local/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
/var/services/homes/bruno/.local/bin/pip3
bruno@DS916:~/.local/bin $ pip --version
bruno@DS916:~/.local/bin $ pip3 --version
pip 21.1.3 from /var/services/homes/bruno/.local/lib/python3.8/site-packages/pip (python 3.8)
```
#### 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)
```