Bundle pyenv Python with pre-built tarball for zero-compile installs
- Combined tarball includes pyenv Python 3.12 + venv with all deps - Downloads from GitHub releases by default (~50MB) - Reduces install time from 20+ min to ~2 min - Add --no-prebuilt / --from-source flags to force compile - Update BUILD_IMAGE.md with tarball creation instructions - Rename tarball: stegasoo-pi-arm64.tar.zst (was venv-only) Fresh Pi installs no longer need to compile Python or jpegio. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Aaron D. Lee
121
rpi/setup.sh
121
rpi/setup.sh
@@ -181,16 +181,17 @@ else
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cd "$INSTALL_DIR"
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fi
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# Pre-built venv tarball (skips 20+ min compile time)
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PREBUILT_VENV="$INSTALL_DIR/rpi/stegasoo-venv-pi-arm64.tar.zst"
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PREBUILT_VENV_URL="${PREBUILT_VENV_URL:-https://github.com/adlee-was-taken/stegasoo/releases/download/v4.1.3/stegasoo-venv-pi-arm64.tar.zst}"
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# Pre-built environment tarball (skips 20+ min compile time)
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# Includes both pyenv Python 3.12 AND venv with all dependencies
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PREBUILT_TARBALL="$INSTALL_DIR/rpi/stegasoo-pi-arm64.tar.zst"
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PREBUILT_URL="${PREBUILT_URL:-https://github.com/adlee-was-taken/stegasoo/releases/download/v4.1.3/stegasoo-pi-arm64.tar.zst}"
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USE_PREBUILT=true
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# Use local tarball if present, otherwise will download
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if [ -f "$PREBUILT_VENV" ]; then
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echo -e "${GREEN}Found local pre-built venv - fast install mode${NC}"
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if [ -f "$PREBUILT_TARBALL" ]; then
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echo -e "${GREEN}Found local pre-built environment - fast install mode${NC}"
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else
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echo -e "${GREEN}Will download pre-built venv - fast install mode${NC}"
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echo -e "${GREEN}Will download pre-built environment - fast install mode${NC}"
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fi
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# Allow --no-prebuilt flag to force from-source build
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@@ -199,16 +200,25 @@ if [[ " $* " =~ " --no-prebuilt " ]] || [[ " $* " =~ " --from-source " ]]; then
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echo -e "${YELLOW}Building from source (--no-prebuilt specified)${NC}"
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fi
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echo -e "${GREEN}[5/12]${NC} Installing pyenv and Python $PYTHON_VERSION..."
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# Fast path: use pre-built environment if available
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if [ "$USE_PREBUILT" = true ]; then
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echo -e "${GREEN}[5/8]${NC} Installing pre-built Python environment..."
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# Install pyenv if not present
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if [ ! -d "$HOME/.pyenv" ]; then
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curl https://pyenv.run | bash
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# Download if local file doesn't exist
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if [ ! -f "$PREBUILT_TARBALL" ]; then
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echo " Downloading pre-built environment (~50MB)..."
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curl -L -o "$PREBUILT_TARBALL" "$PREBUILT_URL"
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fi
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# Add pyenv to current shell
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# Extract pre-built environment (includes pyenv Python + venv)
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echo " Extracting pre-built environment..."
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zstd -d "$PREBUILT_TARBALL" --stdout | tar -xf - -C "$HOME"
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# Setup pyenv in current shell
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export PYENV_ROOT="$HOME/.pyenv"
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export PATH="$PYENV_ROOT/bin:$PATH"
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eval "$(pyenv init -)"
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pyenv global $PYTHON_VERSION
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# Add to .bashrc if not already there
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if ! grep -q 'PYENV_ROOT' ~/.bashrc; then
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@@ -218,48 +228,20 @@ if [ ! -d "$HOME/.pyenv" ]; then
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echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
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echo 'eval "$(pyenv init - bash)"' >> ~/.bashrc
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fi
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else
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echo " pyenv already installed"
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export PYENV_ROOT="$HOME/.pyenv"
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export PATH="$PYENV_ROOT/bin:$PATH"
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eval "$(pyenv init -)"
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fi
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# Install Python 3.12 if not present (required even for pre-built venv)
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if ! pyenv versions | grep -q "$PYTHON_VERSION"; then
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if [ "$USE_PREBUILT" = true ]; then
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echo -e " ${YELLOW}Note: Python $PYTHON_VERSION needed for pre-built venv${NC}"
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# Verify Python
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INSTALLED_PY=$(python --version 2>&1 | cut -d' ' -f2 | cut -d'.' -f1,2)
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echo -e " ${GREEN}✓${NC} Python: $INSTALLED_PY"
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# Extract venv to install dir
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echo -e "${GREEN}[6/8]${NC} Setting up virtual environment..."
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if [ -f "$HOME/stegasoo-venv.tar.zst" ]; then
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zstd -d "$HOME/stegasoo-venv.tar.zst" --stdout | tar -xf - -C "$INSTALL_DIR"
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rm "$HOME/stegasoo-venv.tar.zst"
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fi
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echo " Building Python $PYTHON_VERSION (this takes ~10 minutes)..."
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pyenv install $PYTHON_VERSION
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else
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echo " Python $PYTHON_VERSION already installed"
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fi
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pyenv global $PYTHON_VERSION
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# Verify Python version
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INSTALLED_PY=$(python --version 2>&1 | cut -d' ' -f2 | cut -d'.' -f1,2)
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if [ "$INSTALLED_PY" != "$PYTHON_VERSION" ]; then
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echo -e "${RED}Error: Python $PYTHON_VERSION not active. Got: $INSTALLED_PY${NC}"
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exit 1
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fi
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# Fast path: use pre-built venv if available
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if [ "$USE_PREBUILT" = true ]; then
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echo -e "${GREEN}[6/8]${NC} Installing pre-built Python environment..."
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# Download if URL provided and local file doesn't exist
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if [ ! -f "$PREBUILT_VENV" ] && [ -n "$PREBUILT_VENV_URL" ]; then
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echo " Downloading pre-built venv..."
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curl -L -o "$PREBUILT_VENV" "$PREBUILT_VENV_URL"
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fi
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# Extract pre-built venv (zstd compressed)
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echo " Extracting pre-built venv (this is much faster!)..."
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zstd -d "$PREBUILT_VENV" --stdout | tar -xf - -C "$INSTALL_DIR"
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# Activate and verify
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source venv/bin/activate
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source "$INSTALL_DIR/venv/bin/activate"
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VENV_PY=$(python --version 2>&1 | cut -d' ' -f2 | cut -d'.' -f1,2)
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echo -e " ${GREEN}✓${NC} venv Python: $VENV_PY"
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@@ -270,6 +252,47 @@ if [ "$USE_PREBUILT" = true ]; then
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# Adjust step numbers for rest of script
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STEP_OFFSET=-4
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else
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echo -e "${GREEN}[5/12]${NC} Installing pyenv and Python $PYTHON_VERSION..."
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# Install pyenv if not present
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if [ ! -d "$HOME/.pyenv" ]; then
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curl https://pyenv.run | bash
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# Add pyenv to current shell
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export PYENV_ROOT="$HOME/.pyenv"
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export PATH="$PYENV_ROOT/bin:$PATH"
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eval "$(pyenv init -)"
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# Add to .bashrc if not already there
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if ! grep -q 'PYENV_ROOT' ~/.bashrc; then
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echo '' >> ~/.bashrc
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echo '# pyenv' >> ~/.bashrc
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echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
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echo '[[ -d $PYENV_ROOT/bin ]] && export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
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echo 'eval "$(pyenv init - bash)"' >> ~/.bashrc
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fi
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else
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echo " pyenv already installed"
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export PYENV_ROOT="$HOME/.pyenv"
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export PATH="$PYENV_ROOT/bin:$PATH"
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eval "$(pyenv init -)"
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fi
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# Install Python 3.12 if not present
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if ! pyenv versions | grep -q "$PYTHON_VERSION"; then
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echo " Building Python $PYTHON_VERSION (this takes ~10 minutes)..."
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pyenv install $PYTHON_VERSION
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else
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echo " Python $PYTHON_VERSION already installed"
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fi
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pyenv global $PYTHON_VERSION
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# Verify Python version
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INSTALLED_PY=$(python --version 2>&1 | cut -d' ' -f2 | cut -d'.' -f1,2)
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if [ "$INSTALLED_PY" != "$PYTHON_VERSION" ]; then
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echo -e "${RED}Error: Python $PYTHON_VERSION not active. Got: $INSTALLED_PY${NC}"
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exit 1
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fi
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echo -e "${GREEN}[6/12]${NC} Creating Python virtual environment..."
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echo -e " ${YELLOW}Note: No pre-built venv found. Building from source (20+ min)${NC}"
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echo -e " ${YELLOW}To speed up future installs, add stegasoo-venv-pi-arm64.tar.gz to rpi/${NC}"
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