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pkgmgr/scripts/setup/venv.sh
Kevin Veen-Birkenbach f5d428950e
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**Replace main.py with module-based entry point and unify CLI execution**
* Remove legacy *main.py* and introduce *pkgmgr* module entry via *python -m pkgmgr*
* Add ***main**.py* as the canonical entry point delegating to the CLI
* Export *PYTHONPATH=src* in Makefile to ensure reliable imports in dev and CI
* Update setup scripts (venv & nix) to use module execution
* Refactor all E2E tests to execute the real module entry instead of file paths

This aligns pkgmgr with standard Python packaging practices and simplifies testing, setup, and execution across environments.

https://chatgpt.com/share/693c9056-716c-800f-b583-fc9245eab2b4
2025-12-12 22:59:46 +01:00

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#!/usr/bin/env bash
set -euo pipefail
echo "[setup] Starting setup..."
PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
cd "${PROJECT_ROOT}"
VENV_DIR="${HOME}/.venvs/pkgmgr"
RC_LINE='if [ -d "${HOME}/.venvs/pkgmgr" ]; then . "${HOME}/.venvs/pkgmgr/bin/activate"; if [ -n "${PS1:-}" ]; then echo "Global Python virtual environment '\''~/.venvs/pkgmgr'\'' activated."; fi; fi'
# ------------------------------------------------------------
# Normal user mode: dev setup with venv
# ------------------------------------------------------------
echo "[setup] Running in normal user mode (developer setup)."
echo "[setup] Ensuring global virtualenv root: ${HOME}/.venvs"
mkdir -p "${HOME}/.venvs"
echo "[setup] Creating/updating virtualenv via helper..."
PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
cd "${PROJECT_ROOT}"
PIP_EDITABLE="${PKGMGR_PIP_EDITABLE:-1}"
PIP_EXTRAS="${PKGMGR_PIP_EXTRAS:-}"
PREFER_NIX="${PKGMGR_PREFER_NIX:-0}"
echo "[venv] Using VENV_DIR=${VENV_DIR}"
if [[ "${PREFER_NIX}" == "1" ]]; then
echo "[venv] PKGMGR_PREFER_NIX=1 set."
echo "[venv] Hint: Use Nix instead of a venv for reproducible installs:"
echo "[venv] nix develop"
echo "[venv] nix run .#pkgmgr -- --help"
exit 2
fi
echo "[venv] Ensuring virtualenv parent directory exists..."
mkdir -p "$(dirname "${VENV_DIR}")"
if [[ ! -d "${VENV_DIR}" ]]; then
echo "[venv] Creating virtual environment at: ${VENV_DIR}"
python3 -m venv "${VENV_DIR}"
else
echo "[venv] Virtual environment already exists at: ${VENV_DIR}"
fi
echo "[venv] Installing Python tooling into venv..."
"${VENV_DIR}/bin/python" -m ensurepip --upgrade
"${VENV_DIR}/bin/pip" install --upgrade pip setuptools wheel
# ---------------------------------------------------------------------------
# Install dependencies
# ---------------------------------------------------------------------------
if [[ -f "pyproject.toml" ]]; then
echo "[venv] Detected pyproject.toml. Installing project via pip..."
target="."
if [[ -n "${PIP_EXTRAS}" ]]; then
target=".[${PIP_EXTRAS}]"
fi
if [[ "${PIP_EDITABLE}" == "1" ]]; then
echo "[venv] pip install -e ${target}"
"${VENV_DIR}/bin/pip" install -e "${target}"
else
echo "[venv] pip install ${target}"
"${VENV_DIR}/bin/pip" install "${target}"
fi
else
echo "[venv] No pyproject.toml found. Skipping dependency installation."
fi
echo "[venv] Done."
echo "[setup] Ensuring ~/.bashrc and ~/.zshrc exist..."
touch "${HOME}/.bashrc" "${HOME}/.zshrc"
echo "[setup] Ensuring venv auto-activation is present in shell rc files..."
for rc in "${HOME}/.bashrc" "${HOME}/.zshrc"; do
if ! grep -qxF "${RC_LINE}" "$rc"; then
echo "${RC_LINE}" >> "$rc"
echo "[setup] Appended auto-activation to $rc"
else
echo "[setup] Auto-activation already present in $rc"
fi
done
echo "[setup] Running install via venv Python..."
"${VENV_DIR}/bin/python" -m pkgmgr install
echo
echo "[setup] Developer setup complete."
echo "Restart your shell (or run 'exec bash' or 'exec zsh') to activate the environment."