diff --git a/libstoragemgmt.changes b/libstoragemgmt.changes
index 970bf19..0090eec 100644
--- a/libstoragemgmt.changes
+++ b/libstoragemgmt.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Dec 19 05:43:41 UTC 2017 - nwang@suse.com
+
+- bsc#1073088, change requirements to python3 for SLE15. 
+
 -------------------------------------------------------------------
 Thu Oct 26 08:57:13 UTC 2017 - mpluskal@suse.com
 
diff --git a/libstoragemgmt.spec b/libstoragemgmt.spec
index 7623974..7d33353 100644
--- a/libstoragemgmt.spec
+++ b/libstoragemgmt.spec
@@ -18,11 +18,19 @@
 
 %define libname %{name}1
 %bcond_with test
+
+%if 0%{?suse_version} >= 1500 || %{with python3}
+%define python3 1
+%define python_sitelib %{python3_sitelib}
+%else
+%define python3 0
+%endif
+
 Name:           libstoragemgmt
 Version:        1.6.0
 Release:        0
 Summary:        Storage array management library
-License:        LGPL-2.1+
+License:        LGPL-2.1+ and GPL-2.0+
 Group:          System/Libraries
 Url:            https://github.com/libstorage/libstoragemgmt
 Source0:        https://github.com/libstorage/libstoragemgmt/releases/download/%{version}/%{name}-%{version}.tar.gz
@@ -30,11 +38,19 @@ BuildRequires:  fdupes
 BuildRequires:  gcc-c++
 BuildRequires:  libconfig-devel
 BuildRequires:  pkgconfig
-BuildRequires:  python-argparse
+%if 0%{python3}
+BuildRequires:  python3-devel
+BuildRequires:  python3-pyudev
+BuildRequires:  python3-pywbem
+BuildRequires:  python3-six
+Requires:       python3-six
+%else
 BuildRequires:  python-devel
 BuildRequires:  python-pyudev
 BuildRequires:  python-pywbem
 BuildRequires:  python-six
+Requires:       python-six
+%endif
 BuildRequires:  pkgconfig(glib-2.0)
 BuildRequires:  pkgconfig(libudev)
 BuildRequires:  pkgconfig(libxml-2.0)
@@ -42,11 +58,14 @@ BuildRequires:  pkgconfig(openssl)
 BuildRequires:  pkgconfig(sqlite3)
 BuildRequires:  pkgconfig(systemd)
 BuildRequires:  pkgconfig(udev)
-Requires:       python-%{name}
-Requires:       python-%{name}-clibs
-Requires:       python-six
+%if 0%{python3}
+Requires:       python3-%{name}
+Requires:       python3-%{name}-clibs
+%else
+Requires:       python2-%{name}
+Requires:       python2-%{name}-clibs
+%endif
 %systemd_requires
-%py_requires
 %if %{with test}
 BuildRequires:  chrpath
 BuildRequires:  libtool
@@ -89,36 +108,56 @@ Requires:       %{libname} = %{version}
 The %{name}-devel package contains libraries and header files for
 developing applications that use %{name}.
 
-%package        -n python-%{name}
+%if 0%{python3}
+%package        -n python3-%{name}
+%else
+%package        -n python2-%{name}
+%endif
 Summary:        Python client libraries and plug-in support for %{name}
 Group:          System/Libraries
 Requires:       %{name} = %{version}
-Requires:       python-%{name}-clibs
-Requires:       python-argparse
+%if 0%{python3}
+Requires:       python3-%{name}-clibs
+%else
+Requires:       python2-%{name}-clibs
+%endif
 BuildArch:      noarch
-%py_requires
 
-%description    -n python-%{name}
+%if 0%{python3}
+%description        -n python3-%{name}
+%else
+%description        -n python2-%{name}
+%endif
 The python-%{name} package contains python client libraries as
 well as python framework support and open source plug-ins written in python.
 
-%package        -n python-%{name}-clibs
+%if 0%{python3}
+%package        -n python3-%{name}-clibs
+%else
+%package        -n python2-%{name}-clibs
+%endif
 Summary:        Python C extension for %{name}
 Group:          System/Libraries
 Requires:       %{name} = %{version}
-%py_requires
 
-%description    -n python-%{name}-clibs
+%if 0%{python3}
+%description    -n python3-%{name}-clibs
+%else
+%description    -n python2-%{name}-clibs
+%endif
 The python-%{name}-clibs package contains python C extentions for %{name}.
 
 %package        smis-plugin
 Summary:        Files for SMI-S generic array support for %{name}
 Group:          System/Libraries
+%if 0%{python3}
+Requires:       python3-pywbem
+%else
 Requires:       python-pywbem
+%endif
 Requires(post): %{name} = %{version}
 Requires(postun): %{name} = %{version}
 BuildArch:      noarch
-%py_requires
 
 %description    smis-plugin
 The %{name}-smis-plugin package contains plug-in for generic SMI-S
@@ -130,7 +169,6 @@ Group:          System/Libraries
 Requires(post): %{name} = %{version}
 Requires(postun): %{name} = %{version}
 BuildArch:      noarch
-%py_requires
 
 %description    netapp-plugin
 The %{name}-netapp-plugin package contains plug-in for NetApp array
@@ -142,7 +180,6 @@ Group:          System/Libraries
 Requires(post): %{name} = %{version}
 Requires(postun): %{name} = %{version}
 BuildArch:      noarch
-%py_requires
 
 %description    targetd-plugin
 The %{name}-targetd-plugin package contains plug-in for targetd
@@ -154,7 +191,6 @@ Group:          System/Libraries
 Requires(post): %{name} = %{version}
 Requires(postun): %{name} = %{version}
 BuildArch:      noarch
-%py_requires
 
 %description    nstor-plugin
 The %{name}-nstor-plugin package contains plug-in for NexentaStor
@@ -228,6 +264,9 @@ storage.
 %build
 %configure \
   --disable-static \
+%if 0%{python3}
+  --with-python3 \
+%endif
 %if ! %{with test}
   --without-test
 %endif
@@ -441,11 +480,25 @@ fi
 %{_libdir}/libstoragemgmt.so
 %{_libdir}/pkgconfig/libstoragemgmt.pc
 
-%files -n python-%{name}
+%if 0%{python3}
+%files -n python3-%{name}
+%else
+%files -n python2-%{name}
+%endif
 %dir %{python_sitelib}/lsm
 %{python_sitelib}/lsm/external
 %{python_sitelib}/lsm/_*.py*
 %{python_sitelib}/lsm/version.*
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/__pycache__
+%{python_sitelib}/lsm/__pycache__/*
+%dir %{python_sitelib}/lsm/plugin/__pycache__
+%{python_sitelib}/lsm/plugin/__pycache__/*
+%dir %{python_sitelib}/lsm/plugin/sim/__pycache__
+%{python_sitelib}/lsm/plugin/sim/__pycache__/*
+%dir %{python_sitelib}/lsm/lsmcli/__pycache__
+%{python_sitelib}/lsm/lsmcli/__pycache__/*
+%endif
 %dir %{python_sitelib}/lsm/plugin
 %{python_sitelib}/lsm/plugin/__init__.*
 %dir %{python_sitelib}/lsm/plugin/sim
@@ -458,29 +511,49 @@ fi
 %files smis-plugin
 %dir %{python_sitelib}/lsm/plugin/smispy
 %{python_sitelib}/lsm/plugin/smispy/*.py*
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/smispy/__pycache__
+%{python_sitelib}/lsm/plugin/smispy/__pycache__/*
+%endif
 %{_bindir}/smispy_lsmplugin
 %{_mandir}/man1/smispy_lsmplugin.1%{ext_man}
 
 %files netapp-plugin
 %dir %{python_sitelib}/lsm/plugin/ontap
 %{python_sitelib}/lsm/plugin/ontap/*.py*
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/ontap/__pycache__
+%{python_sitelib}/lsm/plugin/ontap/__pycache__/*
+%endif
 %{_bindir}/ontap_lsmplugin
 %{_mandir}/man1/ontap_lsmplugin.1%{ext_man}
 
 %files targetd-plugin
 %dir %{python_sitelib}/lsm/plugin/targetd
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/targetd/__pycache__
+%{python_sitelib}/lsm/plugin/targetd/__pycache__/*
+%endif
 %{python_sitelib}/lsm/plugin/targetd/*.py*
 %{_bindir}/targetd_lsmplugin
 %{_mandir}/man1/targetd_lsmplugin.1%{ext_man}
 
 %files nstor-plugin
 %dir %{python_sitelib}/lsm/plugin/nstor
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/nstor/__pycache__
+%{python_sitelib}/lsm/plugin/nstor/__pycache__/*
+%endif
 %{python_sitelib}/lsm/plugin/nstor/*.py*
 %{_bindir}/nstor_lsmplugin
 %{_mandir}/man1/nstor_lsmplugin.1%{ext_man}
 
 %files megaraid-plugin
 %dir %{python_sitelib}/lsm/plugin/megaraid
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/megaraid/__pycache__
+%{python_sitelib}/lsm/plugin/megaraid/__pycache__/*
+%endif
 %{python_sitelib}/lsm/plugin/megaraid/*.py*
 %{_bindir}/megaraid_lsmplugin
 %config(noreplace) %{_sysconfdir}/lsm/pluginconf.d/megaraid.conf
@@ -488,6 +561,10 @@ fi
 
 %files hpsa-plugin
 %dir %{python_sitelib}/lsm/plugin/hpsa
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/hpsa/__pycache__
+%{python_sitelib}/lsm/plugin/hpsa/__pycache__/*
+%endif
 %{python_sitelib}/lsm/plugin/hpsa/*.py*
 %{_bindir}/hpsa_lsmplugin
 %config(noreplace) %{_sysconfdir}/lsm/pluginconf.d/hpsa.conf
@@ -495,6 +572,10 @@ fi
 
 %files nfs-plugin
 %dir %{python_sitelib}/lsm/plugin/nfs
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/nfs/__pycache__
+%{python_sitelib}/lsm/plugin/nfs/__pycache__/*
+%endif
 %{python_sitelib}/lsm/plugin/nfs/*.py*
 %{_bindir}/nfs_lsmplugin
 %config(noreplace) %{_sysconfdir}/lsm/pluginconf.d/nfs.conf
@@ -502,6 +583,10 @@ fi
 
 %files local-plugin
 %dir %{python_sitelib}/lsm/plugin/local
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/local/__pycache__
+%{python_sitelib}/lsm/plugin/local/__pycache__/*
+%endif
 %{python_sitelib}/lsm/plugin/local/*.py*
 %{_bindir}/local_lsmplugin
 %config(noreplace) %{_sysconfdir}/lsm/pluginconf.d/local.conf
@@ -509,12 +594,20 @@ fi
 
 %files arcconf-plugin
 %dir %{python_sitelib}/lsm/plugin/arcconf
+%if 0%{python3}
+%dir %{python_sitelib}/lsm/plugin/arcconf/__pycache__
+%{python_sitelib}/lsm/plugin/arcconf/__pycache__/*
+%endif
 %{python_sitelib}/lsm/plugin/arcconf/*.py*
 %{_bindir}/arcconf_lsmplugin
 %config(noreplace) %{_sysconfdir}/lsm/pluginconf.d/arcconf.conf
 %{_mandir}/man1/arcconf_lsmplugin.1%{ext_man}
 
-%files -n python-%{name}-clibs
+%if 0%{python3}
+%files -n python3-%{name}-clibs
+%else
+%files -n python2-%{name}-clibs
+%endif
 %{python_sitelib}/lsm/_clib.*
 %{python_sitelib}/lsm/plugin/nfs/nfs_clib.*