python3: Move functionality into python3-package.mk

This moves functionality from python-package-install.sh into
python3-package.mk, so that they can be reused separate from filespec
processing.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

lang/python/python-package-install.sh

@@ -1,11 +1,6 @@
 #!/bin/sh
 set -e
 
-[ -z "$SOURCE_DATE_EPOCH" ] || {
-	PYTHONHASHSEED="$SOURCE_DATE_EPOCH"
-	export PYTHONHASHSEED
-}
-
 process_filespec() {
 	local src_dir="$1"
 	local dst_dir="$2"
@@ -40,56 +35,11 @@ process_filespec() {
 	)
 }
 
-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
+src_dir="$1"
+dst_dir="$2"
+filespec="$3"
 
 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