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|
#!/usr/bin/env bash
# GEVENT: Taken from https://raw.githubusercontent.com/DRMacIver/hypothesis/master/scripts/install.sh
# Special license: Take literally anything you want out of this file. I don't
# care. Consider it WTFPL licensed if you like.
# Basically there's a lot of suffering encoded here that I don't want you to
# have to go through and you should feel free to use this to avoid some of
# that suffering in advance.
set -e
set -x
# This is to guard against multiple builds in parallel. The various installers will tend
# to stomp all over eachother if you do this and they haven't previously successfully
# succeeded. We use a lock file to block progress so only one install runs at a time.
# This script should be pretty fast once files are cached, so the lost of concurrency
# is not a major problem.
# This should be using the lockfile command, but that's not available on the
# containerized travis and we can't install it without sudo.
# Is is unclear if this is actually useful. I was seeing behaviour that suggested
# concurrent runs of the installer, but I can't seem to find any evidence of this lock
# ever not being acquired.
BASE=${BUILD_RUNTIMES-$PWD/.runtimes}
echo $BASE
mkdir -p $BASE
LOCKFILE="$BASE/.install-lockfile"
while true; do
if mkdir $LOCKFILE 2>/dev/null; then
echo "Successfully acquired installer."
break
else
echo "Failed to acquire lock. Is another installer running? Waiting a bit."
fi
sleep $[ ( $RANDOM % 10) + 1 ].$[ ( $RANDOM % 100) ]s
if (( $(date '+%s') > 300 + $(stat --format=%X $LOCKFILE) )); then
echo "We've waited long enough"
rm -rf $LOCKFILE
fi
done
trap "rm -rf $LOCKFILE" EXIT
PYENV=$BASE/pyenv
if [ ! -d "$PYENV/.git" ]; then
rm -rf $PYENV
git clone https://github.com/yyuu/pyenv.git $BASE/pyenv
else
back=$PWD
cd $PYENV
git fetch || echo "Update failed to complete. Ignoring"
git reset --hard origin/master
cd $back
fi
SNAKEPIT=$BASE/snakepit
install () {
VERSION="$1"
ALIAS="$2"
mkdir -p $BASE/versions
SOURCE=$BASE/versions/$ALIAS
if [ ! -e "$SOURCE" ]; then
mkdir -p $SNAKEPIT
mkdir -p $BASE/versions
$BASE/pyenv/plugins/python-build/bin/python-build $VERSION $SOURCE
fi
rm -f $SNAKEPIT/$ALIAS
mkdir -p $SNAKEPIT
$SOURCE/bin/python -m pip.__main__ install --upgrade pip wheel virtualenv
ln -s $SOURCE/bin/python $SNAKEPIT/$ALIAS
}
for var in "$@"; do
case "${var}" in
2.6)
install 2.6.9 python2.6
;;
2.7)
install 2.7.11 python2.7
;;
3.2)
install 3.2.6 python3.2
;;
3.3)
install 3.3.6 python3.3
;;
3.4)
install 3.4.4 python3.4
;;
3.5)
install 3.5.1 python3.5
;;
pypy)
install pypy-4.0.1 pypy
;;
esac
done
|
