gtk3-pyenv.sh

#!/bin/bash
# script for pyenv installation of pygtk3 in ubuntu 12.04
# Adapted from https://gist.github.com/mehcode/6172694

system_package_installed() {
	if ! dpkg -l | grep -q $1; then
		sudo apt-get install $1
	fi
}

python_module_installed() {
	local mod=$1
	if ! python <<- EOF
	try:
	    import $mod
	    raise SystemExit(0)
	except ImportError:
	    raise SystemExit(-1)
	EOF
	then
		return 1
	fi
}

set -e
PYGTK_PREFIX="$(pyenv prefix)"
# NOTE: "pyenv prefix" can return multiple.
PYGTK_PREFIX=${PYGTK_PREFIX%%:*}
echo -e "\E[1m * Using prefix: $PYGTK_PREFIX\E[0m"
export PATH="$PYGTK_PREFIX/bin:$PATH"
export PKG_CONFIG_PATH="$PYGTK_PREFIX/lib/pkgconfig:$PKG_CONFIG_PATH"

system_package_installed libcairo2-dev
system_package_installed libglib2.0-dev
system_package_installed libgirepository1.0-dev
 
# Setup variables.
CACHE="/tmp/install-pygtk-$$"
echo -e "\E[1m * Building in $CACHE\E[0m"

PYTHON_VERSION="$(python -c 'import sys; print(sys.version_info[0])')"
if [[ "$PYTHON_VERSION" == 2 ]]; then
    PYCAIRO_BASENAME=py2cairo
else
    PYCAIRO_BASENAME=pycairo
fi
 
# Make temp directory.
mkdir -p $CACHE

# Test for pycairo/py2cairo.
echo -e "\E[1m * Checking for cairo...\E[0m"
if ! python_module_installed cairo; then
    echo -e "\E[1m * Installing ${PYCAIRO_BASENAME}...\E[0m"
    # Fetch, build, and install pycairo/py2cairo.
    (   cd $CACHE
        if [[ $PYCAIRO_BASENAME == py2cairo ]]; then
            curl 'http://cairographics.org/releases/py2cairo-1.10.0.tar.bz2' > "py2cairo.tar.bz2"
            tar -xvf py2cairo.tar.bz2
            (   cd py2cairo*
                touch ChangeLog
                autoreconf -ivf
                ./configure --prefix=$PYGTK_PREFIX
                make
                make install
            )
        else
            git clone --depth=10 git://git.cairographics.org/git/${PYCAIRO_BASENAME}
            (   cd ${PYCAIRO_BASENAME}*
                python setup.py install
            )
        fi
    )
fi

# Test for gobject.
echo -e "\E[1m * Checking for gobject...\E[0m"
if ! python_module_installed gi; then
    echo -e "\E[1m * Installing gobject...\E[0m"
    # Fetch, build, and install gobject.
    (   cd $CACHE
        git clone --depth=10 git://git.gnome.org/pygobject
        (   cd pygobject*
            # Fix include (reported at https://bugzilla.gnome.org/show_bug.cgi?id=746742).
            sed -i 's~^#include <pycairo/py3cairo.h>~#include <py3cairo.h>~' gi/pygi-foreign-cairo.c
            ./autogen.sh --prefix=$PYGTK_PREFIX
            make
            make install
        )
    )
fi