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system-config/docker/python-builder/scripts/assemble
Clark Boylan e609c63dff Record pip version in our python image builds
This is useful for debugging when pip does updates and we need to be
sure that we ran with a new (or old) version of pip.

Change-Id: I556bb68e255ee0bdbcbd2c72dc537e2a6c7d64b6
2022-10-19 11:14:03 -07:00

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#!/bin/bash
# Copyright (c) 2019 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Make a list of bindep dependencies and a collection of built binary
# wheels for the repo in question as well as its python dependencies.
# Install javascript tools as well to support python that needs javascript
# at build time.
set -ex
mkdir -p /output/bindep
mkdir -p /output/wheels
cd /tmp/src
apt-get update
function install_bindep {
# Protect from the bindep builder image use of the assemble script
# to produce a wheel. Note we append because we want all
# sibling packages in here too
if [ -f bindep.txt -o -f other-requirements.txt ] ; then
bindep -l newline >> /output/bindep/run.txt || true
compile_packages=$(bindep -b compile || true)
if [ ! -z "$compile_packages" ] ; then
DEBIAN_FRONTEND=noninteractive apt-get install -y ${compile_packages}
fi
fi
}
function install_wheels {
# Build a wheel so that we have an install target.
# pip install . in the container context with the mounted
# source dir gets ... exciting.
# The `build` tool builds an sdist first then a wheel from
# that sdist which is exactly what we want. This triggers code
# generation steps such as are found in zuul, since the sequencing
# otherwise happens in a way that makes wheel content copying unhappy.
# `pip wheel` isn't used here because it puts all of the output
# in the output dir and not the wheel cache, so it's not
# possible to tell what is the wheel for the project and
# what is the wheel cache.
/tmp/venv/bin/python3 -m build -o /output/wheels ./
# Install everything so that the wheel cache is populated with
# transitive depends. If a requirements.txt file exists, install
# it directly so that people can use git url syntax to do things
# like pick up patched but unreleased versions of dependencies.
# Only do this for the main package (i.e. only write requirements
# once).
if [ -f /tmp/src/requirements.txt ] && [ ! -f /output/requirements.txt ] ; then
/tmp/venv/bin/pip install $CONSTRAINTS --cache-dir=/output/wheels -r /tmp/src/requirements.txt
cp /tmp/src/requirements.txt /output/requirements.txt
fi
/tmp/venv/bin/pip install $CONSTRAINTS --cache-dir=/output/wheels /output/wheels/*whl
# Install each of the extras so that we collect all possibly
# needed wheels in the wheel cache. get-extras-packages also
# writes out the req files into /output/$extra/requirements.txt.
for req in $(get-extras-packages) ; do
/tmp/venv/bin/pip install $CONSTRAINTS --cache-dir=/output/wheels "$req"
done
}
PACKAGES=$*
# bindep the main package
install_bindep
# go through ZUUL_SIBLINGS, if any, and build those wheels too
for sibling in ${ZUUL_SIBLINGS:-}; do
pushd .zuul-siblings/${sibling}
install_bindep
popd
done
# Use a clean virtualenv for install steps to prevent things from the
# current environment making us not build a wheel.
python3 -m venv /tmp/venv
/tmp/venv/bin/pip install -U pip wheel build
/tmp/venv/bin/pip --version
# If there is an upper-constraints.txt file in the source tree,
# use it in the pip commands.
if [ -f /tmp/src/upper-constraints.txt ] ; then
cp /tmp/src/upper-constraints.txt /output/upper-constraints.txt
CONSTRAINTS="-c /tmp/src/upper-constraints.txt"
fi
# If we got a list of packages, install them, otherwise install the
# main package.
if [[ $PACKAGES ]] ; then
/tmp/venv/bin/pip install $CONSTRAINTS --cache-dir=/output/wheels $PACKAGES
for package in $PACKAGES ; do
echo "$package" >> /output/packages.txt
done
else
# pbr needs git installed, else nothing will work. Do this in between
# bindep and wheel so that we don't miss git in target images.
apt-get install -y git
install_wheels
fi
# go through ZUUL_SIBLINGS, if any, and build those wheels too
for sibling in ${ZUUL_SIBLINGS:-}; do
pushd .zuul-siblings/${sibling}
install_wheels
popd
done
rm -rf /tmp/venv