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#!/usr/bin/env bash
# Download and install Python.org's MacPython and install Pip
# Adapted from https://github.com/matthew-brett/multibuild
# osx_utils.sh
#The multibuild package, including all examples, code snippets and attached
#documentation is covered by the 2-clause BSD license.
#Copyright (c) 2013-2016, Matt Terry and Matthew Brett; all rights
#reserved.
#Redistribution and use in source and binary forms, with or without
#modification, are permitted provided that the following conditions are
#met:
#1. Redistributions of source code must retain the above copyright notice,
#this list of conditions and the following disclaimer.
#2. Redistributions in binary form must reproduce the above copyright
#notice, this list of conditions and the following disclaimer in the
#documentation and/or other materials provided with the distribution.
#THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
#IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
#THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
#PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
#CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
#EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
#PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
#LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
#NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
#SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
set -x
MACPYTHON_URL=https://www.python.org/ftp/python
MACPYTHON_FRAMEWORK=/Library/Frameworks/Python.framework
MACPYTHON_PY_PREFIX=${MACPYTHON_FRAMEWORK}/Versions
GET_PIP_URL=https://bootstrap.pypa.io/get-pip.py
DOWNLOADS_SDIR=downloads
function check_python {
if [ -z "$PYTHON_EXE" ]; then
echo "PYTHON_EXE variable not defined"
exit 1
fi
}
function get_py_mm {
check_python
$PYTHON_EXE -c "import sys; print('{0}.{1}'.format(*sys.version_info[0:2]))"
}
function lex_ver {
# Echoes dot-separated version string padded with zeros
# Thus:
# 3.2.1 -> 003002001
# 3 -> 003000000
echo $1 | awk -F "." '{printf "%03d%03d%03d", $1, $2, $3}'
}
function unlex_ver {
# Reverses lex_ver to produce major.minor.micro
# Thus:
# 003002001 -> 3.2.1
# 003000000 -> 3.0.0
echo "$((10#${1:0:3}+0)).$((10#${1:3:3}+0)).$((10#${1:6:3}+0))"
}
function strip_ver_suffix {
echo $(unlex_ver $(lex_ver $1))
}
function check_var {
if [ -z "$1" ]; then
echo "required variable not defined"
exit 1
fi
}
function fill_pyver {
# Convert major or major.minor format to major.minor.micro
#
# Hence:
# 2 -> 2.7.11 (depending on LATEST_2p7 value)
# 2.7 -> 2.7.11 (depending on LATEST_2p7 value)
local ver=$1
check_var $ver
if [[ $ver =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
# Major.minor.micro format already
echo $ver
elif [ $ver == 2 ] || [ $ver == "2.7" ]; then
echo $LATEST_2p7
elif [ $ver == "2.6" ]; then
echo $LATEST_2p6
elif [ $ver == 3 ] || [ $ver == "3.5" ]; then
echo $LATEST_3p5
elif [ $ver == "3.4" ]; then
echo $LATEST_3p4
elif [ $ver == "3.3" ]; then
echo $LATEST_3p3
elif [ $ver == "3.2" ]; then
echo $LATEST_3p2
else
echo "Can't fill version $ver"
exit 1
fi
}
function pyinst_ext_for_version {
# echo "pkg" or "dmg" depending on the passed Python version
# Parameters
# $py_version (python version in major.minor.extra format)
#
# Earlier Python installers are .dmg, later are .pkg.
local py_version=$1
check_var $py_version
py_version=$(fill_pyver $py_version)
local py_0=${py_version:0:1}
if [ $py_0 -eq 2 ]; then
if [ "$(lex_ver $py_version)" -ge "$(lex_ver 2.7.9)" ]; then
echo "pkg"
else
echo "dmg"
fi
elif [ $py_0 -ge 3 ]; then
if [ "$(lex_ver $py_version)" -ge "$(lex_ver 3.4.2)" ]; then
echo "pkg"
else
echo "dmg"
fi
fi
}
function install_macpython {
# Installs Python.org Python
# Parameter $version
# Version given in major or major.minor or major.minor.micro e.g
# "3" or "3.4" or "3.4.1".
# sets $PYTHON_EXE variable to python executable
local py_version=$(fill_pyver $1)
local py_stripped=$(strip_ver_suffix $py_version)
local inst_ext=$(pyinst_ext_for_version $py_version)
local py_inst=python-$py_version-macosx10.6.$inst_ext
local inst_path=$DOWNLOADS_SDIR/$py_inst
mkdir -p $DOWNLOADS_SDIR
curl $MACPYTHON_URL/$py_stripped/${py_inst} > $inst_path
if [ "$inst_ext" == "dmg" ]; then
hdiutil attach $inst_path -mountpoint /Volumes/Python
inst_path=/Volumes/Python/Python.mpkg
fi
sudo installer -pkg $inst_path -target /
local py_mm=${py_version:0:3}
PYTHON_EXE=$MACPYTHON_PY_PREFIX/$py_mm/bin/python$py_mm
}
function install_pip {
# Generic install pip
# Gets needed version from version implied by $PYTHON_EXE
# Installs pip into python given by $PYTHON_EXE
# Assumes pip will be installed into same directory as $PYTHON_EXE
check_python
mkdir -p $DOWNLOADS_SDIR
curl $GET_PIP_URL > $DOWNLOADS_SDIR/get-pip.py
# Travis VMS now install pip for system python by default - force install
# even if installed already
sudo $PYTHON_EXE $DOWNLOADS_SDIR/get-pip.py --ignore-installed
local py_mm=`get_py_mm`
PIP_CMD="sudo `dirname $PYTHON_EXE`/pip$py_mm"
}
function install_virtualenv {
# Generic install of virtualenv
# Installs virtualenv into python given by $PYTHON_EXE
# Assumes virtualenv will be installed into same directory as $PYTHON_EXE
check_pip
# Travis VMS install virtualenv for system python by default - force
# install even if installed already
$PIP_CMD install virtualenv --ignore-installed
check_python
VIRTUALENV_CMD="$(dirname $PYTHON_EXE)/virtualenv"
}
# Remove previous versions
sudo rm -rf ${MACPYTHON_FRAMEWORK}
for pyversion in 2.7.13 3.4.6 3.5.3 3.6.0; do
install_macpython $pyversion
install_pip
install_virtualenv
done