travis_install.sh

#!/bin/bash

set -x

sudo apt-get install libgmp10

if [ x${PYTHON_INTP} = "x" ]; then
	echo "Undefined python implementation"
	exit 1
fi

python --version
python2 --version
python3 --version
pyenv global
pyenv versions

if [ ${PYTHON_INTP} = "pypy" ]; then
	sudo add-apt-repository -y ppa:pypy/ppa
	sudo apt-get -y update
	sudo apt-get install -y --force-yes pypy pypy-dev
elif [ ${PYTHON_INTP} = "python3.5" ]; then
    pyenv global system 3.5
elif [ x$(which ${PYTHON_INTP}) = "x" ]; then
	
	# Everything but Python 3.6
	sudo add-apt-repository -y ppa:deadsnakes/ppa
	
	# Python 3.6 only
	sudo add-apt-repository -y ppa:jonathonf/python-3.6
	sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test

	sudo apt-get -y update
	sudo apt-get install ${PYTHON_INTP} ${PYTHON_INTP}-dev
fi

${PYTHON_INTP} -V

PYV=$(${PYTHON_INTP} -V 2>&1 | head -1 | sed -n 's/\w\+ \([23]\)\.\([0-9]\).*/\1\2/p')

export PYTHONPATH=${PWD}/custom_packages
mkdir ${PYTHONPATH}

# Use GCC 4.9 for building all extensions
sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
sudo apt-get -y update
sudo apt-get install gcc-4.9
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.9 60
sudo update-alternatives --config gcc
sudo ln -f $(which gcc) $(which x86_64-linux-gnu-gcc)

# Ctypes was only included in python 2.5, so it needs to be installed if we target python 2.4.
# We do not rely on pypi because it refers us to sourceforge, not the most available site around.
# Instead, we mirror ctypes on github.
if [ ${PYV} -eq 24 ]; then
	(
	cd /tmp
	git clone https://github.com/Legrandin/ctypes
	cd ctypes
	${PYTHON_INTP} setup.py build
	cp -r build/lib*/* ${PYTHONPATH}
	)
fi

# Use GCC 4.9 for building all extensions
sudo apt-get install gcc-4.9 g++-4.9

# Why bother with pip/virtualenv complexity when we can just do this
install_from_pypi() {
	if [ "$2" = "latest" ]; then
		target_version=".info.version"
	else
		target_version=\"$2\"
	fi
	URL=$(curl -s https://pypi.python.org/pypi/$1/json | jq '.releases['$target_version']' | jq -r 'map(select(.python_version == "source"))[0].url')
	(
	cd /tmp
	wget -q "$URL"
	FILENAME="$(basename ${URL})"
	EXT="${FILENAME:(-3)}"
	echo "Filename:" "$FILENAME" "(ext:${EXT})"
	if [ "${EXT}" = "zip" ]; then
		unzip "$FILENAME"
	else
		tar -xzf "$FILENAME"
	fi
	cd /tmp/$1-*
	${PYTHON_INTP} setup.py build
	cp -r build/lib*/* ${PYTHONPATH}
	)
}

if [ x${CFFI} = "xyes" -a ${PYTHON_INTP} != "pypy" ]; then
	install_from_pypi setuptools 19.4
	install_from_pypi cffi latest
fi