packages/lang/python/python-package-install.sh
Alexandru Ardelean 721642908c python,python3: add Py[3]Shebang functions & move outside of script
Some packages just install some Python binaries, that may need their
shebang fixed.
This change adds some utilities to help with that and try to centralize the
sed rules a bit.

It also removes the logic from the `python-package-install.sh` into the
`python-package[3].mk` files. This does 2 things:
1. It minimizes the need for the shell script to know the Python
   version 2/3
2. Makes the logic re-usable in packages; especially if the install rules
   differ a bit

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
2019-09-20 14:10:00 +03:00

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#!/bin/sh
set -e
[ -z "$SOURCE_DATE_EPOCH" ] || {
PYTHONHASHSEED="$SOURCE_DATE_EPOCH"
export PYTHONHASHSEED
}
process_filespec() {
local src_dir="$1"
local dst_dir="$2"
local filespec="$3"
echo "$filespec" | (
IFS='|'
while read fop fspec fperm; do
local fop=`echo "$fop" | tr -d ' \t\n'`
if [ "$fop" = "+" ]; then
if [ ! -e "${src_dir}${fspec}" ]; then
echo "File not found '${src_dir}${fspec}'"
exit 1
fi
dpath=`dirname "$fspec"`
if [ -z "$fperm" ]; then
dperm=`stat -c "%a" ${src_dir}${dpath}`
fi
mkdir -p -m$dperm ${dst_dir}${dpath}
echo "copying: '$fspec'"
cp -fpR ${src_dir}${fspec} ${dst_dir}${dpath}/
if [ -n "$fperm" ]; then
chmod -R $fperm ${dst_dir}${fspec}
fi
elif [ "$fop" = "-" ]; then
echo "removing: '$fspec'"
rm -fR ${dst_dir}${fspec}
elif [ "$fop" = "=" ]; then
echo "setting permissions: '$fperm' on '$fspec'"
chmod -R $fperm ${dst_dir}${fspec}
fi
done
)
}
delete_empty_dirs() {
local dst_dir="$1"
if [ -d "$dst_dir/usr" ] ; then
find "$dst_dir/usr" -empty -type d -delete
fi
}
ver="$1"
src_dir="$2"
dst_dir="$3"
python="$4"
mode="$5"
filespec="$6"
find "$src_dir" -name "*.exe" -delete
process_filespec "$src_dir" "$dst_dir" "$filespec" || {
echo "process filespec error-ed"
exit 1
}
if [ "$mode" == "sources" ] ; then
# Copy only python source files
find "$dst_dir" -not -type d -not -name "*.py" -delete
delete_empty_dirs "$dst_dir"
exit 0
fi
if [ "$ver" == "3" ] ; then
legacy="-b"
fi
# default max recursion is 10
max_recursion_level=20
# XXX [So that you won't goof as I did]
# Note: Yes, I tried to use the -O & -OO flags here.
# However the generated byte-codes were not portable.
# So, we just stuck to un-optimized byte-codes,
# which is still way better/faster than running
# Python sources all the time.
$python -m compileall -r "$max_recursion_level" $legacy -d '/' "$dst_dir" || {
echo "python -m compileall err-ed"
exit 1
}
# Delete source files and pyc [ un-optimized bytecode files ]
# We may want to make this optimization thing configurable later, but not sure atm
find "$dst_dir" -type f -name "*.py" -delete
delete_empty_dirs "$dst_dir"
exit 0