MaJ du 04-02-2021

docs/macos/python/python3.md

@@ -42,7 +42,31 @@ $ python3 -m site --user-base
 /Users/bruno/Library/Python/3.7
 ```
 
-[Pipenv](https://docs.pipenv.org)
+
+
+### Pipenv
+
+#### Outil qui remplace pip et virtualenv
+
+https://github.com/pypa/pipenv
+
+[Docs](https://pipenv.pypa.io/en/latest/)
+
+
+
+### Pyenv
+
+#### Python Version Management
+
+https://github.com/pyenv/pyenv
+
+
+
+### Venv (Pyvenv)
+
+#### Outil pour créer un environnement virtuel
+
+Fournit avec Python (>= 3.4). Similaire à virtualenv.
 
 
 
@@ -249,3 +273,35 @@ sudo mkdir /usr/local/Frameworks
 sudo chown $(whoami):admin /usr/local/Frameworks
 ```
 
+
+
+#### Python@39: Error: The brew link step did not complete successfully
+
+```bash
+==> Pouring python@3.9-3.9.1_4.big_sur.bottle.tar.gz
+Error: The `brew link` step did not complete successfully
+The formula built, but is not symlinked into /usr/local
+Could not symlink bin/easy_install-3.9
+Target /usr/local/bin/easy_install-3.9
+already exists. You may want to remove it:
+  rm '/usr/local/bin/easy_install-3.9'
+
+To force the link and overwrite all conflicting files:
+  brew link --overwrite python@3.9
+
+To list all files that would be deleted:
+  brew link --overwrite --dry-run python@3.9
+
+Possible conflicting files are:
+/usr/local/bin/easy_install-3.9
+/usr/local/bin/pip3
+/usr/local/bin/pip3.9
+```
+
+```bash
+$ brew link --overwrite --dry-run python@3.9
+# puis
+$ rm '/usr/local/bin/easy_install-3.9'
+$ brew link --overwrite python@3.9
+```
+