rpm/still-in-use-of-python-scripts-from-old-version.patch

From 4ec83c32024a8faf0a66a4275acbcd15751ee303 Mon Sep 17 00:00:00 2001
From: renhongxun <renhongxun@huawei.com>
Date: Wed, 29 Dec 2021 16:37:45 +0800
Subject: [PATCH] still in use of python scripts from old version

---
 platform.in                    |   3 ++
 scripts/Makefile.am            |   8 +--
 scripts/brp-python-bytecompile | 112 +++++++++++++++++++++++++++++++++++++++++
 scripts/brp-python-hardlink    |  25 +++++++++
 4 files changed, 144 insertions(+), 4 deletions(-)
 create mode 100644 scripts/brp-python-bytecompile
 create mode 100755 scripts/brp-python-hardlink

diff --git a/platform.in b/platform.in
index 71496b8..748186e 100644
--- a/platform.in
+++ b/platform.in
@@ -82,10 +82,13 @@
 #
 
 %__arch_install_post   @ARCH_INSTALL_POST@
+%_python_bytecompile_errors_terminate_build 0
+%_python_bytecompile_extra   1
 
 # Standard brp-macro naming:
 # convert all '-' in basename to '_', add two leading underscores.
 %__brp_compress %{_rpmconfigdir}/brp-compress %{?_prefix}
+%__brp_python_bytecompile %{_rpmconfigdir}/brp-python-bytecompile "" "%{?_python_bytecompile_errors_terminate_build}" "%{?_python_bytecompile_extra}"
 %__brp_strip %{_rpmconfigdir}/brp-strip %{__strip}
 %__brp_strip_comment_note %{_rpmconfigdir}/brp-strip-comment-note %{__strip} %{__objdump}
 %__brp_strip_static_archive %{_rpmconfigdir}/brp-strip-static-archive %{__strip}
diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index 4aed76b..5a1c494 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -6,8 +6,8 @@ AM_CFLAGS = @RPMCFLAGS@
 CLEANFILES =
 
 EXTRA_DIST = \
-	brp-compress \
-	brp-strip brp-strip-comment-note \
+        brp-compress brp-python-bytecompile \
+        brp-strip brp-strip-comment-note brp-python-hardlink \
 	brp-strip-static-archive brp-elfperms \
 	brp-remove-la-files \
 	check-files check-prereqs \
@@ -23,8 +23,8 @@ EXTRA_DIST = \
 	fontconfig.prov script.req
 
 rpmconfig_SCRIPTS = \
-	brp-compress \
-	brp-strip brp-strip-comment-note \
+        brp-compress brp-python-bytecompile \
+        brp-strip brp-strip-comment-note brp-python-hardlink \
 	brp-strip-static-archive brp-elfperms \
 	brp-remove-la-files \
 	check-files check-prereqs \
diff --git a/scripts/brp-python-bytecompile b/scripts/brp-python-bytecompile
new file mode 100644
index 0000000..d9c4832
--- /dev/null
+++ b/scripts/brp-python-bytecompile
@@ -0,0 +1,112 @@
+#!/bin/bash
+errors_terminate=$2
+extra=$3
+
+# If using normal root, avoid changing anything.
+if [ -z "$RPM_BUILD_ROOT" ] || [ "$RPM_BUILD_ROOT" = "/" ]; then
+	exit 0
+fi
+
+# Figure out how deep we need to descend.  We could pick an insanely high
+# number and hope it's enough, but somewhere, somebody's sure to run into it.
+depth=`(find "$RPM_BUILD_ROOT" -type f -name "*.py" -print0 ; echo /) | \
+       xargs -0 -n 1 dirname | sed 's,[^/],,g' | sort -u | tail -n 1 | wc -c`
+if [ -z "$depth" ] || [ "$depth" -le "1" ]; then
+	exit 0
+fi
+
+function python_bytecompile()
+{
+    local options=$1
+    local python_binary=$2
+    local exclude=$3
+    local python_libdir=$4
+    local depth=$5
+    local real_libdir=$6
+
+cat << EOF | $python_binary $options
+import compileall, sys, os, re
+
+python_libdir = "$python_libdir"
+depth = $depth
+real_libdir = "$real_libdir"
+build_root = "$RPM_BUILD_ROOT"
+exclude = r"$exclude"
+
+class Filter:
+    def search(self, path):
+        ret = not os.path.realpath(path).startswith(build_root)
+        if exclude:
+            ret = ret or re.search(exclude, path)
+        return ret
+
+sys.exit(not compileall.compile_dir(python_libdir, depth, real_libdir, force=1, rx=Filter(), quiet=1))
+EOF
+}
+
+# .pyc/.pyo files embed a "magic" value, identifying the ABI version of Python
+# bytecode that they are for.
+#
+# The files below RPM_BUILD_ROOT could be targeting multiple versions of
+# python (e.g. a single build that emits several subpackages e.g. a
+# python26-foo subpackage, a python31-foo subpackage etc)
+#
+# Support this by assuming that below each /usr/lib/python$VERSION/, all
+# .pyc/.pyo files are to be compiled for /usr/bin/python$VERSION.
+# 
+# For example, below /usr/lib/python2.6/, we're targeting /usr/bin/python2.6
+# and below /usr/lib/python3.1/, we're targeting /usr/bin/python3.1
+
+shopt -s nullglob
+for python_libdir in `find "$RPM_BUILD_ROOT" -type d|grep -E "/usr/lib(64)?/python[0-9]\.([0-9]$|[0-9]{2}$)"`;
+do
+	python_binary=/usr/bin/$(basename $python_libdir)
+	real_libdir=${python_libdir/$RPM_BUILD_ROOT/}
+	echo "Bytecompiling .py files below $python_libdir using $python_binary"
+
+	# Generate normal (.pyc) byte-compiled files.
+	python_bytecompile "" "$python_binary" "" "$python_libdir" "$depth" "$real_libdir"
+	if [ $? -ne 0 ] && [ 0$errors_terminate -ne 0 ]; then
+		# One or more of the files had a syntax error
+		exit 1
+	fi
+
+	# Generate optimized (.pyo) byte-compiled files.
+	python_bytecompile "-O" "$python_binary" "" "$python_libdir" "$depth" "$real_libdir"
+	if [ $? -ne 0 ] && [ 0$errors_terminate -ne 0 ]; then
+		# One or more of the files had a syntax error
+		exit 1
+	fi
+done
+
+
+# Handle other locations in the filesystem using the default python implementation
+# if extra is set to 0, don't do this
+if [ 0$extra -eq 0 ]; then
+	exit 0
+fi
+
+# If we don't have a default python interpreter, we cannot proceed
+default_python=${1:-/usr/bin/python}
+if [ ! -x "$default_python" ]; then
+	exit 0
+fi
+
+# Figure out if there are files to be bytecompiled with the default_python at all
+# this prevents unnecessary default_python invocation
+find "$RPM_BUILD_ROOT" -type f -name "*.py" | grep -Ev "/bin/|/sbin/|/usr/lib(64)?/python[0-9]\.[0-9]|/usr/share/doc" || exit 0
+
+# Generate normal (.pyc) byte-compiled files.
+python_bytecompile "" $default_python "/bin/|/sbin/|/usr/lib(64)?/python[0-9]\.[0-9]|/usr/share/doc" "$RPM_BUILD_ROOT" "$depth" "/"
+if [ $? -ne 0 ] && [ 0$errors_terminate -ne 0 ]; then
+	# One or more of the files had a syntax error
+	exit 1
+fi
+
+# Generate optimized (.pyo) byte-compiled files.
+python_bytecompile "-O" $default_python "/bin/|/sbin/|/usr/lib(64)?/python[0-9]\.[0-9]|/usr/share/doc" "$RPM_BUILD_ROOT" "$depth" "/"
+if [ $? -ne 0 ] && [ 0$errors_terminate -ne 0 ]; then
+	# One or more of the files had a syntax error
+	exit 1
+fi
+exit 0
diff --git a/scripts/brp-python-hardlink b/scripts/brp-python-hardlink
new file mode 100755
index 0000000..5fd1b43
--- /dev/null
+++ b/scripts/brp-python-hardlink
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# If using normal root, avoid changing anything.
+if [ -z "$RPM_BUILD_ROOT" ] || [ "$RPM_BUILD_ROOT" = "/" ]; then
+	exit 0
+fi
+
+hardlink_if_same() {
+	if cmp -s "$1" "$2" ; then
+		ln -f "$1" "$2"
+		return 0
+	fi
+	return 1
+}
+
+# Hardlink identical *.pyc, *.pyo, and *.opt-[12].pyc.
+# Originally from PLD's rpm-build-macros
+find "$RPM_BUILD_ROOT" -type f -name "*.pyc" -not -name "*.opt-[12].pyc" | while read pyc ; do
+	hardlink_if_same "$pyc" "${pyc%c}o"
+	o1pyc="${pyc%pyc}opt-1.pyc"
+	hardlink_if_same "$pyc" "$o1pyc"
+	o2pyc="${pyc%pyc}opt-2.pyc"
+	hardlink_if_same "$pyc" "$o2pyc" || hardlink_if_same "$o1pyc" "$o2pyc"
+done
+exit 0
-- 
1.8.3.1