# Python specific macro definitions.

%__python		/usr/bin/python2

# python main version
%py_ver			%{expand:%%global py_ver %(%{__python} -c "import sys; print sys.version[:3]" 2>/dev/null || echo ERROR)}%py_ver

# directories
%py_prefix		%{expand:%%global py_prefix %(%{__python} -c "import sys; print sys.prefix" 2>/dev/null || echo ERROR)}%py_prefix
%py_libdir		%{py_prefix}/%{_lib}/python%{py_ver}
%py_scriptdir		%{py_prefix}/share/python%{py_ver}
%py_incdir		/usr/include/python%{py_ver}
%py_sitedir		%{py_libdir}/site-packages
%py_sitescriptdir	%{py_scriptdir}/site-packages
%py_dyndir		%{py_libdir}/lib-dynload

# pure python modules compilation
%py_comp		python -c "import compileall; import sys; compileall.compile_dir(sys.argv[1], ddir=sys.argv[1][len('$RPM_BUILD_ROOT'):])"

%py_ocomp		python -O -c "import compileall; import sys; compileall.compile_dir(sys.argv[1], ddir=sys.argv[1][len('$RPM_BUILD_ROOT'):])"

# Software written in Python language require Python with main version
%pyrequires_eq() Requires:	%1

# Python 3.x
# python main version
%__python3		/usr/bin/python3
%py3_ver			%{expand:%%global py3_ver %(%{__python3} -c "from sys import version_info; print('{}.{}'.format(*version_info[:2]))" 2>/dev/null || echo ERROR)}%py3_ver

# directories
%py3_prefix		%{expand:%%global py3_prefix %(%{__python3} -c "import sys; print(sys.prefix)" 2>/dev/null || echo ERROR)}%py3_prefix
%py3_incdir		%{expand:%%global py3_incdir %(%{__python3} -c "import sysconfig; print(sysconfig.get_path('include'))" 2>/dev/null || echo ERROR)}%py3_incdir
%py3_libdir		%{py3_prefix}/%{_lib}/python%{py3_ver}
%py3_sitedir		%{py3_libdir}/site-packages
%py3_sitescriptdir	%{py3_prefix}/share/python%{py3_ver}/site-packages
%py3_dyndir		%{py3_libdir}/lib-dynload

# pure python modules compilation
%py3_comp		%{__python3} -c "import compileall; import sys; compileall.compile_dir(sys.argv[1], ddir=sys.argv[1][len('$RPM_BUILD_ROOT'):])"

%py3_ocomp		%{__python3} -O -c "import compileall; import sys; compileall.compile_dir(sys.argv[1], ddir=sys.argv[1][len('$RPM_BUILD_ROOT'):])"

%py_build { \
	LDFLAGS="${LDFLAGS:-%rpmldflags}"; export LDFLAGS; \
	CFLAGS="${CFLAGS:-%rpmcppflags %rpmcflags}"; export CFLAGS; \
	CXXFLAGS="${CXXFLAGS:-%rpmcppflags %rpmcxxflags}"; export CXXFLAGS; \
	%{?__cc:CC="%{__cc}"; export CC;} \
	%{?__cxx:CXX="%{__cxx}"; export CXX;} \
	%{__python} setup.py \
	build --build-base=build-2 \
}

# "shrink" filter to keep this macro without newlines,
# so it could be used as make arguments
%py_install_opts() %{shrink: \
	--prefix=%{_prefix} \
	--install-purelib=%{py_sitescriptdir} \
	--install-platlib=%{py_sitedir} \
	--optimize=2 \
}

%py_install { \
	LDFLAGS="${LDFLAGS:-%rpmldflags}"; export LDFLAGS; \
	CFLAGS="${CFLAGS:-%rpmcppflags %rpmcflags}"; export CFLAGS; \
	CXXFLAGS="${CXXFLAGS:-%rpmcppflags %rpmcxxflags}"; export CXXFLAGS; \
	%{?__cc:CC="%{__cc}"; export CC;} \
	%{?__cxx:CXX="%{__cxx}"; export CXX;} \
	%{__python} setup.py \
	build --build-base=build-2 \
	install --skip-build \
	%{py_install_opts} \
	--root=$RPM_BUILD_ROOT \
}

%py3_build { \
	LDFLAGS="${LDFLAGS:-%rpmldflags}"; export LDFLAGS; \
	CFLAGS="${CFLAGS:-%rpmcppflags %rpmcflags}"; export CFLAGS; \
	CXXFLAGS="${CXXFLAGS:-%rpmcppflags %rpmcxxflags}"; export CXXFLAGS; \
	%{?__cc:CC="%{__cc}"; export CC;} \
	%{?__cxx:CXX="%{__cxx}"; export CXX;} \
	%{__python3} setup.py build --build-base=build-3 \
}

# "shrink" filter to keep this macro without newlines,
# so it could be used as make arguments
%py3_install_opts() %{shrink: \
	--prefix=%{_prefix} \
	--install-purelib=%{py3_sitescriptdir} \
	--install-platlib=%{py3_sitedir} \
	--optimize=2 \
}

%py3_install { \
	LDFLAGS="${LDFLAGS:-%rpmldflags}"; export LDFLAGS; \
	CFLAGS="${CFLAGS:-%rpmcppflags %rpmcflags}"; export CFLAGS; \
	CXXFLAGS="${CXXFLAGS:-%rpmcppflags %rpmcxxflags}"; export CXXFLAGS; \
	%{?__cc:CC="%{__cc}"; export CC;} \
	%{?__cxx:CXX="%{__cxx}"; export CXX;} \
	%{__python3} setup.py \
	build --build-base=build-3 \
	install --skip-build \
	%{py3_install_opts} \
	--root=$RPM_BUILD_ROOT \
}

# Hardlink binary identical .pyc and .pyo files
%__spec_install_post_py_hardlink {\
%{!?no_install_post_py_hardlink: __spec_install_post_py_hardlink() { \
%{!?debug:set +x;} \
local a b c=0 t=0 pyc=%{tmpdir}/%{name}-%{version}-%{release}__rpm_pyc; \
if [ -d "$RPM_BUILD_ROOT" ]; then \
	find "$RPM_BUILD_ROOT" -name '*.pyc' > $pyc; \
	while read a; do \
		b="${a%.pyc}.pyo"; \
		if cmp -s "$a" "$b"; then \
			ln -f "$a" "$b"; \
			c=$((c + 1)); \
		fi; \
		t=$((t + 1)); \
	done < $pyc; \
	[ $t -gt 0 ] && printf "Hardlink Python files: %d/%d files hardlinked\n" $c $t; \
	rm -f $pyc; \
fi; \
}; __spec_install_post_py_hardlink } }

# Remove Python 2.x sources,
# TLD Linux policy is to package only compiled .py[co] for Python 2.x libraries.
# Author: Elan Ruusamäe <glen@pld-linux.org>
#
# Usage:
# %py_postclean /usr/share/extra -x keepme.py,keeptoo.py
# Options:
# -x - comma separated of file basenames to preserve (rpmbuild(macros) >= 1.658)
# ARGS - extra directories to clean for .py sources
#
# BuildRequires:	rpmbuild(macros) >= 1.189
#
%py_postclean(x:) \
for d in %{py_sitescriptdir} %{py_sitedir} %*; do \
	[ ! -d "$RPM_BUILD_ROOT$d" ] || find "$RPM_BUILD_ROOT$d" -name '*.py' -print0 %{-x:| grep -ZzvE '/(%(echo '%{-x*}' | tr ',' '|'))$'} | xargs -0r -l512 rm;\
done \
%{nil}

# Check syntax for Python files
#
# Author: Elan Ruusamäe <glen@pld-linux.org>
# Author: Arkadiusz Miśkiewicz <arekm@pld-linux.org>
#
# Usage:
#   %py_lint src
#
# Requirements:
# BuildRequires:	python
# BuildRequires:	rpmbuild(macros) >= 1.602

%py_lint() \
__py_lint() { \
%{!?debug:set +x;} \
find "$@" -type f -name '*.py' | python -c ' \
import sys \
import compiler \
\
found = err = 0\
for f in sys.stdin: \
	fd = open(f.rstrip()) \
	c = fd.read() \
	fd.close() \
	found = found + 1 \
	try: \
		compiler.parse(c) \
	except SyntaxError, e: \
		print "py_lint: %s: %s" % (f.rstrip(), e) \
		err = err + 1\
\
if not found:\
	print >> sys.stderr, "\\npy_lint: ERROR: No files processed.\\n" \
	sys.exit(1) \
elif err: \
	print >> sys.stderr, "\\npy_lint: ERROR: Syntax errors in %d files.\\n" % err \
	sys.exit(1) \
else: \
	print >> sys.stderr,  "py_lint: %d files scanned, found no syntax errors." % found \
' \
}; __py_lint %* \
%{nil}