--- rpm-4.5/scripts/pythondeps.sh	2007-05-25 20:36:39.000000000 +0300
+++ rpm-4.5/scripts/pythondeps.sh	2010-03-21 14:07:18.049336515 +0200
@@ -5,7 +5,8 @@
     exit 0
 }
 
-PYVER=`python -c "import sys; v=sys.version_info[:2]; print '%d.%d'%v"`
+# $PYVER is exported by rpm macro
+PYVER=${PYVER:-$(python -c "import sys; print '%d.%d' % sys.version_info[:2]")}
 case $1 in
 -P|--provides)
     shift
--- rpm-4.5/macros.in~	2010-03-21 14:03:42.559283734 +0200
+++ rpm-4.5/macros.in	2010-03-21 14:05:18.419287370 +0200
@@ -1401,8 +1401,8 @@
 #
 # Note: Used iff _use_internal_dependency_generator is non-zero. The
 # helpers are also used by %{_rpmhome}/rpmdeps {--provides|--requires}.
-%__python_provides	%{_rpmhome}/pythondeps.sh --provides
-%__python_requires	%{_rpmhome}/pythondeps.sh --requires
+%__python_provides	/usr/bin/env PYVER=%py_ver %{_rpmhome}/pythondeps.sh --provides
+%__python_requires	/usr/bin/env PYVER=%py_ver %{_rpmhome}/pythondeps.sh --requires
 
 # Useful macros for building *.rpm python packages (for python > 1.6).
 #