'Get all EVPN RTS'

def get_all_evpn_rts(self, evpn_rts):

    rts = evpn_rts.findall('evpnRT')
    if (not rts):
        return
    for ele in rts:
        vrf_rttype = ele.find('vrfRTType')
        vrf_rtvalue = ele.find('vrfRTValue')
        if (vrf_rttype.text == 'export_extcommunity'):
            self.evpn_info['vpn_target_export'].append(vrf_rtvalue.text)
        elif (vrf_rttype.text == 'import_extcommunity'):
            self.evpn_info['vpn_target_import'].append(vrf_rtvalue.text)
