script: Add a script to build a PyPi package

Create a script which can package a tool for use with PyPi and the 'pip'
tool. This involves quite a few steps so is best automated. Future work
will enable use of this for some of the tools in U-Boot.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/scripts/make_pip.sh b/scripts/make_pip.sh
new file mode 100755 (executable)
index 0000000..4602dcf
--- /dev/null
+++ b/scripts/make_pip.sh
@@ -0,0 +1,117 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0+
+
+# Packages a U-Boot tool
+#
+# Usage: make_pip.sh <tool_name> [--real]
+#
+# Where tool_name is one of patman, buildman, dtoc, binman, u_boot_pylib
+#
+# and --real means to upload to the real server (otherwise the test one is used)
+#
+# The username for upload is always __token__ so set TWINE_PASSWORD to your
+# password before running this script:
+#
+# export TWINE_PASSWORD=pypi-xxx
+#
+# To test your new packages:
+#
+# pip install -i https://test.pypi.org/simple/ <tool_name>
+#
+
+# DO NOT use patman or binman
+
+set -xe
+
+# Repo to upload to
+repo="--repository testpypi"
+
+# Non-empty to do the actual upload
+upload=1
+
+tool="$1"
+shift
+flags="$*"
+
+if [[ "${tool}" =~ ^(patman|buildman|dtoc|binman|u_boot_pylib)$ ]]; then
+       echo "Building dist package for tool ${tool}"
+else
+       echo "Unknown tool ${tool}: use patman, buildman, dtoc or binman"
+       exit 1
+fi
+
+for flag in "${flags}"; do
+       if [ "${flag}" == "--real" ]; then
+               echo "Using real server"
+               repo=
+       fi
+       if [ "${flag}" == "-n" ]; then
+               echo "Doing dry run"
+               upload=
+       fi
+done
+
+if [ -n "${upload}" ]; then
+       if [ -z "${TWINE_PASSWORD}" ]; then
+               echo "Please set TWINE_PASSWORD to your password and retry"
+               exit 1
+       fi
+fi
+
+# Create a temp dir to work in
+dir=$(mktemp -d)
+
+# Copy in some basic files
+cp -v tools/${tool}/pyproject.toml ${dir}
+cp -v Licenses/gpl-2.0.txt ${dir}/LICENSE
+readme="tools/${tool}/README.*"
+
+# Copy in the README, dropping some Sphinx constructs that PyPi doesn't like
+cat ${readme} | sed -E 's/:(doc|ref):`.*`//; /sectionauthor/d; /toctree::/d' \
+       > ${dir}/$(basename ${readme})
+
+# Copy the top-level Python and doc files
+dest=${dir}/src/${tool}
+mkdir -p ${dest}
+cp -v tools/$tool/{*.py,*.rst} ${dest}
+
+# Copy over the subdirectories, including any sub files. Drop any cache files
+# and other such things
+pushd tools/${tool}
+for subdir in $(find . -maxdepth 1 -type d | \
+               grep -vE "(__pycache__|home|usr|scratch|\.$|pyproject)"); do
+       pathname="${dest}/${subdir}"
+       echo "Copy ${pathname}"
+       cp -a ${subdir} ${pathname}
+done
+popd
+
+# Remove cache files that accidentally made it through
+find ${dest} -name __pycache__ -type f -exec rm {} \;
+find ${dest} -depth -name __pycache__ -exec rmdir 112 \;
+
+# Remove test files
+rm -rf ${dest}/*test*
+
+mkdir ${dir}/tests
+cd ${dir}
+
+# Make sure the tools are up to date
+python3 -m pip install --upgrade build
+python3 -m pip install --upgrade twine
+
+# Build the PyPi package
+python3 -m build
+
+echo "Completed build of ${tool}"
+
+# Use --skip-existing to work even if the version is already present
+if [ -n "${upload}" ]; then
+       echo "Uploading from ${dir}"
+       python3 -m twine upload ${repo} -u __token__ dist/*
+       echo "Completed upload of ${tool}"
+fi
+
+rm -rf "${dir}"
+
+echo -e "done\n\n"