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# Note that the path could itself be a python file, or a directory

# Note that the py_byte_compile macro should work for all Python versions
# Which unfortunately makes the definition more complicated than it should be

# Usage:
#    %py_byte_compile <interpereter> <path>
# Example:
#    %py_byte_compile %{__python3} %{buildroot}%{_datadir}/spam/plugins/

# This will terminate build on SyntaxErrors, if you want to avoid that,
# use it in a subshell like this:
#    (%{py_byte_compile <interpereter> <path>}) || :

%py_byte_compile()\
py2_byte_compile () {\
    python_binary="%1"\
    bytecode_compilation_path="%2"\
    failure=0\
    find $bytecode_compilation_path -type f -a -name "*.py" -print0 | xargs -0 $python_binary -s -c 'import py_compile, sys; [py_compile.compile(f, dfile=f.partition("'"$RPM_BUILD_ROOT"'")[2], doraise=True) for f in sys.argv[1:]]' || failure=1\
    find $bytecode_compilation_path -type f -a -name "*.py" -print0 | xargs -0 $python_binary -s -O -c 'import py_compile, sys; [py_compile.compile(f, dfile=f.partition("'"$RPM_BUILD_ROOT"'")[2], doraise=True) for f in sys.argv[1:]]' || failure=1\
    test $failure -eq 0\
}\
\
py3_byte_compile () {\
    python_binary="%1"\
    bytecode_compilation_path="%2"\
    PYTHONPATH="%{_rpmconfigdir}/redhat" $python_binary -s -B -m compileall2 -o 0 -o 1 -s $RPM_BUILD_ROOT -p / $bytecode_compilation_path \
}\
\
# Path to intepreter should not contain any arguments \
[[ "%1" =~ " -" ]] && echo "ERROR py_byte_compile: Path to interpreter should not contain any arguments" >&2 && exit 1 \
# Get version without a dot (36 instead of 3.6), bash doesn't compare floats well \
python_version=$(%1 -c "import sys; sys.stdout.write('{0.major}{0.minor}'.format(sys.version_info))") \
# compileall2 Python module is not compatible with Python < 3.4 \
if [ "$python_version" -ge 34 ]; then py3_byte_compile "%1" "%2"; else py2_byte_compile "%1" "%2"; fi