python-rpm-macros/brp-python-bytecompile
Petr Viktorin 0044db1e8a Remove unneeded arguments from the python_bytecompile function
- For depth, use sys.getrecursionlimit()
  - the default from bytecompile2
  - we'll get a RecursionError before it's exceeded, anyway
- Set real_libdir locally
2021-09-10 17:50:49 +02:00

130 lines
4.7 KiB
Bash

#!/bin/bash
errors_terminate=$2
# Usage of %_python_bytecompile_extra is not allowed anymore
# See: https://fedoraproject.org/wiki/Changes/No_more_automagic_Python_bytecompilation_phase_3
# Therefore $1 ($default_python) is not needed and is invoked with "" by default.
# $default_python stays in the arguments for backward compatibility and $extra for the following check:
extra=$3
if [ 0$extra -eq 1 ]; then
echo -e "%_python_bytecompile_extra is discontinued, use %py_byte_compile instead.\nSee: https://fedoraproject.org/wiki/Changes/No_more_automagic_Python_bytecompilation_phase_3" >/dev/stderr
exit 1
fi
# If using normal root, avoid changing anything.
if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
exit 0
fi
# This function now implements Python byte-compilation in three different ways:
# Python >= 3.4 and < 3.9 uses a new module compileall2 - https://github.com/fedora-python/compileall2
# In Python >= 3.9, compileall2 was merged back to standard library (compileall) so we can use it directly again.
# Python < 3.4 (inc. Python 2) uses compileall module from stdlib with some hacks
function python_bytecompile()
{
local options=$1
local python_binary=$2
local exclude=$3
local python_libdir="$4"
python_version=$($python_binary -c "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
#
# Python 3.4 and higher
#
if [ "$python_version" -ge 34 ]; then
# We compile all opt levels in one go: only when $options is empty.
if [ -n "$options" ]; then
return
fi
if [ "$python_version" -ge 39 ]; then
# For Pyhon 3.9+, use the standard library
compileall_module=compileall
else
# For older Pythons, use compileall2
compileall_module=compileall2
fi
[ ! -z $exclude ] && exclude="-x '$exclude'"
# PYTHONPATH is needed for compileall2, but doesn't hurt for the stdlib
# -o 0 -o 1 are the optimization levels
# -q disables verbose output
# -f forces the process to overwrite existing compiled files
# -x excludes paths defined by regex
# -e excludes symbolic links pointing outside the build root
# -x and -e together implements the same functionality as the Filter class below
# -s strips $RPM_BUILD_ROOT from the path
# -p prepends the leading slash to the path to make it absolute
PYTHONPATH=/usr/lib/rpm/redhat/ $python_binary -B -m $compileall_module -o 0 -o 1 -q -f $exclude -s "$RPM_BUILD_ROOT" -p / --hardlink-dupes -e "$RPM_BUILD_ROOT" "$python_libdir"
else
#
# Python 3.3 and lower (incl. Python 2)
#
local real_libdir=${python_libdir/$RPM_BUILD_ROOT/}
cat << EOF | $python_binary $options
import compileall, sys, os, re
python_libdir = "$python_libdir"
depth = sys.getrecursionlimit()
real_libdir = "$real_libdir"
build_root = "$RPM_BUILD_ROOT"
exclude = r"$exclude"
class Filter:
def search(self, path):
ret = not os.path.realpath(path).startswith(build_root)
if exclude:
ret = ret or re.search(exclude, path)
return ret
sys.exit(not compileall.compile_dir(python_libdir, depth, real_libdir, force=1, rx=Filter(), quiet=1))
EOF
fi
}
# .pyc/.pyo files embed a "magic" value, identifying the ABI version of Python
# bytecode that they are for.
#
# The files below RPM_BUILD_ROOT could be targeting multiple versions of
# python (e.g. a single build that emits several subpackages e.g. a
# python26-foo subpackage, a python31-foo subpackage etc)
#
# Support this by assuming that below each /usr/lib/python$VERSION/, all
# .pyc/.pyo files are to be compiled for /usr/bin/python$VERSION.
#
# For example, below /usr/lib/python2.6/, we're targeting /usr/bin/python2.6
# and below /usr/lib/python3.1/, we're targeting /usr/bin/python3.1
# Disable Python hash seed randomization
# This should help with byte-compilation reproducibility: https://bugzilla.redhat.com/show_bug.cgi?id=1686078
export PYTHONHASHSEED=0
shopt -s nullglob
find "$RPM_BUILD_ROOT" -type d -print0|grep -z -E "/(usr|app)/lib(64)?/python[0-9]\.[0-9]+$" | while read -d "" python_libdir;
do
python_binary=$(basename "$python_libdir")
echo "Bytecompiling .py files below $python_libdir using $python_binary"
# Generate normal (.pyc) byte-compiled files.
python_bytecompile "" "$python_binary" "" "$python_libdir"
if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
# One or more of the files had a syntax error
exit 1
fi
# Generate optimized (.pyo) byte-compiled files.
# N.B. For Python 3.4+, this call does nothing
python_bytecompile "-O" "$python_binary" "" "$python_libdir"
if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
# One or more of the files had a syntax error
exit 1
fi
done