Use pixi as env manager

https://github.com/prefix-dev/pixi

Justfile

@@ -1,37 +1,21 @@
 # https://github.com/casey/just
-
-venv   := "./venv"
-pip    := venv / "bin/pip"
-python := venv / "bin/python"
+python := "pixi run python"
 
 last_commit_sha1   := `git rev-parse --short HEAD`
 remote_image_name  := "gitea.gdemontauzan.fr/maxenceg2m/github-release-notifier"
 remote_build_image := remote_image_name + ":" + last_commit_sha1
 
 # Run the script
-run: _ensure_venv_is_ok
+run: init
     {{ python }} notifier.py
 
-# Init python virtual env
+# Init python env with pixi
 init:
-    python3 -m venv venv
-    {{ pip }} install --requirement requirements.txt
-    sha256sum requirements.txt > {{ venv }}/requirements.sha
+    pixi install
 
-# Inspiration: https://github.com/behave/behave/blob/afb6b6716cd0f3e028829416475312db804a6aa9/justfile
-_ensure_venv_is_ok:
-    #!/usr/bin/env python3
-    from subprocess import run
-    from os import path
-    if run("sha256sum -c {{ venv }}/requirements.sha", shell=True).returncode != 0:
-        run("just init", shell=True)
-
-# Clean workspace - remove venv - and init
-reinit: hclean init
-
-# Remove virtual env (venv)
+# Remove virtual env (pixi)
 hclean:
-    rm -fr venv
+    rm -fr .pixi
 
 # Run docker compose then show logs
 dup: dbuild