fa7d708e3c
The Python compileall2 module in /usr/lib/rpm/redhat/ can be executed by various different Python interpreters. We don't want to write several different `*.pyc` files to this location - in most cases, that's not possible, but somebody might run this as root.
145 lines
5.3 KiB
Bash
Executable File
145 lines
5.3 KiB
Bash
Executable File
#!/bin/bash
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errors_terminate=$2
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extra=$3
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# If using normal root, avoid changing anything.
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if [ -z "$RPM_BUILD_ROOT" -o "$RPM_BUILD_ROOT" = "/" ]; then
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exit 0
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fi
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# Figure out how deep we need to descend. We could pick an insanely high
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# number and hope it's enough, but somewhere, somebody's sure to run into it.
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depth=`(find "$RPM_BUILD_ROOT" -type f -name "*.py" -print0 ; echo /) | \
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xargs -0 -n 1 dirname | sed 's,[^/],,g' | sort -u | tail -n 1 | wc -c`
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if [ -z "$depth" -o "$depth" -le "1" ]; then
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exit 0
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fi
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# This function now implements Python byte-compilation in two different ways:
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# Python >= 3.4 uses a new module compileall2 - https://github.com/fedora-python/compileall2
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# Python < 3.4 (inc. Python 2) uses compileall module from stdlib with some hacks
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# When we drop support for Python 2, we'd be able to use all compileall2 features like:
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# - -s and -p options to manipulate with a path baked into pyc files instead of $real_libdir
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# - -o 0 -o 1 to produce multiple files in one run - each with a different optimization level - instead of $options
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# - removed useless $depth - both compileall and compileall2 are limited by sys.getrecursionlimit()
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# These changes will make this script much simpler
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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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local depth=$5 # Not used for Python >= 3.4
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local real_libdir=$6 # Not used for Python >= 3.4
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python_version=$($python_binary -c "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))")
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#
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# Python 3.4 and higher
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#
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if [ "$python_version" -ge 34 ]; then
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[ ! -z $exclude ] && exclude="-x '$exclude'"
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# /usr/lib/rpm/redhat/ contains compileall2 Python module
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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 $options -m compileall2 -q -f $exclude -s $RPM_BUILD_ROOT -p / -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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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 = $depth
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real_libdir = "$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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shopt -s nullglob
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for python_libdir in `find "$RPM_BUILD_ROOT" -type d|grep -E "/usr/lib(64)?/python[0-9]\.[0-9]$"`;
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do
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python_binary=/usr/bin/$(basename $python_libdir)
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real_libdir=${python_libdir/$RPM_BUILD_ROOT/}
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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" "" "$python_libdir" "$depth" "$real_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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python_bytecompile "-O" "$python_binary" "" "$python_libdir" "$depth" "$real_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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# Handle other locations in the filesystem using the default python implementation
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# if extra is set to 0, don't do this
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if [ 0$extra -eq 0 ]; then
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exit 0
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fi
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# If we don't have a default python interpreter, we cannot proceed
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default_python=${1:-/usr/bin/python}
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if [ ! -x "$default_python" ]; then
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exit 0
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fi
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# Figure out if there are files to be bytecompiled with the default_python at all
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# this prevents unnecessary default_python invocation
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find "$RPM_BUILD_ROOT" -type f -name "*.py" | grep -Ev "/bin/|/sbin/|/usr/lib(64)?/python[0-9]\.[0-9]|/usr/share/doc" || exit 0
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# Generate normal (.pyc) byte-compiled files.
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python_bytecompile "" $default_python "/bin/|/sbin/|/usr/lib(64)?/python[0-9]\.[0-9]|/usr/share/doc" "$RPM_BUILD_ROOT" "$depth" "/"
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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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python_bytecompile "-O" $default_python "/bin/|/sbin/|/usr/lib(64)?/python[0-9]\.[0-9]|/usr/share/doc" "$RPM_BUILD_ROOT" "$depth" "/"
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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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exit 0
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