25-07-2021

docs/Synology/dsm7/python.md

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+
+
+# Python
+
+
+
+Python 3 est installé par défaut:
+
+```bash
+$ python -V
+Python 3.8.8
+
+$ which python
+/bin/python
+```
+
+
+
+<u>pip n'est pas installé par défaut</u>
+
+```bash
+$ 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 $PATH
+
+# Utiliser sudo pour une install globale
+```
+
+
+
+Local installation:
+
+```bash
+$ which pip3
+/var/services/homes/bruno/.local/bin/pip3
+```
+
+
+
+Mieux vaut créer un environnement virtuel:
+
+```bash
+# Création de l'environnement virtuel
+bruno@DS916:~/venv $ python3 -m venv mkdocs
+
+# Activation
+bruno@DS916:~/venv $ source mkdocs/bin/activate
+
+# Mise-à-jour de pip et setuptools
+(mkdocs) bruno@DS916:~/venv $ pip3 install -U pip setuptools
+
+# Installation de mkdocs
+(mkdocs) bruno@DS916:~/venv $ pip3 install -U mkdocs
+
+# Dé-activation
+(mkdocs) bruno@DS916:~/venv $ deactivate
+
+$ /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)
+```
+