refactor: migrate python setup from mise to direnv

- replaces mise-specific python setup script with direnv version
- removes obsolete mise configuration and tasks
- simplifies python environment activation logic

Author: liblaf

.cspell.json

@@ -6,6 +6,7 @@
     "asyncio",
     "cuda",
     "cython",
+    "direnv",
     "dmypy",
     "dsanders",
     "elif",

copier.yaml

@@ -8,6 +8,7 @@ _external_data:
   shared: "{{ answers_file_shared }}"
 
 _migrations:
+  - rm --force --verbose ".config/copier/mise/scripts/00-setup-python.sh"
   - rm --force --verbose ".config/copier/python.just"
   - rm --force --verbose ".github/copier/.copier-answers.python.yaml"
   - rm --force --verbose ".github/copier/mkdocs.yaml"
@@ -20,13 +21,11 @@ _migrations:
 
 _skip_if_exists:
   - .config/mise/config.toml
-  - .envrc
   - .gitignore
   - .ruff.toml
   - .vscode/settings.json
   - docs/README.md
   - docs/SUMMARY.md
-  - Justfile
   - mkdocs.yaml
   - pyproject.toml
   - pyrightconfig.json
@@ -39,6 +38,7 @@ _skip_if_exists:
 _subdirectory: template
 
 _tasks:
+  - rm --force --verbose ".config/copier/mise/scripts/00-setup-python.sh"
   - rm --force --verbose ".config/copier/python.just"
   - rm --force --verbose ".github/copier/.copier-answers.python.yaml"
   - rm --force --verbose ".github/copier/mkdocs.yaml"

template/.config/copier/direnv/00-python.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+# This file is @generated by <https://github.com/liblaf/copier-python>.
+# DO NOT EDIT!
+
+pushd "$(git rev-parse --show-toplevel)" > /dev/null || return 1
+
+if [[ -f "pixi.lock" ]]; then
+  options=()
+  if [[ -t 2 ]]; then
+    options+=(--color=always)
+  fi
+  eval "$(pixi shell-hook "${options[@]}")"
+fi
+
+if [[ -f "uv.lock" ]]; then
+  uv sync --all-extras --all-groups
+  sed --in-place --regexp-extended \
+    "s|\s*(include-system-site-packages)\s*=\s*.*\s*|\1 = true|" ".venv/pyvenv.cfg"
+  # shellcheck disable=SC1091
+  source ".venv/bin/activate"
+fi
+
+popd > /dev/null || return 1

template/.config/copier/mise/scripts/setup-python.sh

@@ -3,9 +3,6 @@
 # This file is @generated by <https://github.com/liblaf/copier-python>.
 # DO NOT EDIT!
 
-[env]
-_.source = { path = ".config/copier/mise/scripts/setup-python.sh", tools = true }
-
 [settings]
 jobs = 1