131 lines
4.8 KiB
Bash
131 lines
4.8 KiB
Bash
#!/bin/bash
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errors_terminate=$2
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# Usage of %_python_bytecompile_extra is not allowed anymore
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# See: https://fedoraproject.org/wiki/Changes/No_more_automagic_Python_bytecompilation_phase_3
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# Therefore $1 ($default_python) is not needed and is invoked with "" by default.
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# $default_python stays in the arguments for backward compatibility and $extra for the following check:
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extra=$3
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if [ 0$extra -eq 1 ]; then
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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
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exit 1
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fi
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# If using normal root, avoid changing anything.
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if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
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exit 0
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fi
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# This function now implements Python byte-compilation in three different ways:
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# Python >= 3.4 and < 3.9 uses a new module compileall2 - https://github.com/fedora-python/compileall2
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# In Python >= 3.9, compileall2 was merged back to standard library (compileall) so we can use it directly again.
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# Python < 3.4 (inc. Python 2) uses compileall module from stdlib with some hacks
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function python_bytecompile()
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{
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local options=$1
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local python_binary=$2
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local exclude=$3
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local python_libdir="$4"
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python_version=$($python_binary -c "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
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#
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# Python 3.4 and higher
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#
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if [ "$python_version" -ge 34 ]; then
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# We compile all opt levels in one go: only when $options is empty.
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if [ -n "$options" ]; then
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return
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fi
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if [ "$python_version" -ge 39 ]; then
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# For Pyhon 3.9+, use the standard library
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compileall_module=compileall
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else
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# For older Pythons, use compileall2
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compileall_module=compileall2
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fi
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[ ! -z $exclude ] && exclude="-x '$exclude'"
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# PYTHONPATH is needed for compileall2, but doesn't hurt for the stdlib
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# -o 0 -o 1 are the optimization levels
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# -q disables verbose output
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# -f forces the process to overwrite existing compiled files
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# -x excludes paths defined by regex
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# -e excludes symbolic links pointing outside the build root
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# -x and -e together implements the same functionality as the Filter class below
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# -s strips $RPM_BUILD_ROOT from the path
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# -p prepends the leading slash to the path to make it absolute
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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"
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else
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#
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# Python 3.3 and lower (incl. Python 2)
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#
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local real_libdir=${python_libdir/$RPM_BUILD_ROOT/}
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cat << EOF | $python_binary $options
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import compileall, sys, os, re
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python_libdir = "$python_libdir"
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depth = sys.getrecursionlimit()
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real_libdir = "$real_libdir"
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build_root = "$RPM_BUILD_ROOT"
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exclude = r"$exclude"
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class Filter:
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def search(self, path):
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ret = not os.path.realpath(path).startswith(build_root)
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if exclude:
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ret = ret or re.search(exclude, path)
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return ret
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sys.exit(not compileall.compile_dir(python_libdir, depth, real_libdir, force=1, rx=Filter(), quiet=1))
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EOF
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fi
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}
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# .pyc/.pyo files embed a "magic" value, identifying the ABI version of Python
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# bytecode that they are for.
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#
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# The files below RPM_BUILD_ROOT could be targeting multiple versions of
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# python (e.g. a single build that emits several subpackages e.g. a
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# python26-foo subpackage, a python31-foo subpackage etc)
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#
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# Support this by assuming that below each /usr/lib/python$VERSION/, all
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# .pyc/.pyo files are to be compiled for /usr/bin/python$VERSION.
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#
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# For example, below /usr/lib/python2.6/, we're targeting /usr/bin/python2.6
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# and below /usr/lib/python3.1/, we're targeting /usr/bin/python3.1
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# Disable Python hash seed randomization
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# This should help with byte-compilation reproducibility: https://bugzilla.redhat.com/show_bug.cgi?id=1686078
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# Python 3.11+ no longer needs this: https://github.com/python/cpython/pull/27926 (but we support older Pythons as well)
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export PYTHONHASHSEED=0
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shopt -s nullglob
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find "$RPM_BUILD_ROOT" -type d -print0|grep -z -E "/(usr|app)/lib(64)?/python[0-9]\.[0-9]+$" | while read -d "" python_libdir;
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do
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python_binary=$(basename "$python_libdir")
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echo "Bytecompiling .py files below $python_libdir using $python_binary"
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# Generate normal (.pyc) byte-compiled files.
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python_bytecompile "" "$python_binary" "" "$python_libdir"
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if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
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# One or more of the files had a syntax error
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exit 1
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fi
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# Generate optimized (.pyo) byte-compiled files.
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# N.B. For Python 3.4+, this call does nothing
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python_bytecompile "-O" "$python_binary" "" "$python_libdir"
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if [ $? -ne 0 -a 0$errors_terminate -ne 0 ]; then
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# One or more of the files had a syntax error
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exit 1
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fi
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done
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