from ciscoconfparse import CiscoConfParse
interfaces = {}
cisco_cfg = CiscoConfParse("configuration.txt")
rtr_interfaces = cisco_cfg.find_objects(r"^interface")
for intfaces in rtr_interfaces:
    details = intfaces.children
    interfaces.update({'name': intfaces.text})
    for names in details:
        if 'vlan-type'in names.text:
           vlan = names.text.split(' ')[3]
           if not vlan:
                  interfaces.update({'vlan':' '})
           else:
                  interfaces.update({'vlan': vlan })
        if 'description' in names.text:
            description = names.text.split(' ')[2:]
            if not description:
               interfaces.update({'description': 'n/a'})
            else:
               interfaces.update({'description': description})
        if 'ip address' in names.text:
            ip = names.text.split(' ')[2:]
            if not ip:
               interfaces.update({'ip': 'n/a'})
            else:
               interfaces.update({'ip': ip})
        if 'qos-profile' in names.text:
            policy = names.text.split(' ')[2]
            if not policy:
               #interfaces.update({'policy': 'n/a'})
               if 'user-queue' in names.text:
                  user_queue = names.text.split(' ')[4]
                  if not user_queue:
                     interfaces.update({'policy': 'n/a'})
                  else:
                     interfaces.update({'policy':user_queue})
            else:   # if 'user-queue' in names.text:
               #policy = names.text.split(' ')[2]
               interfaces.update({'policy': policy})
    for details in interfaces.items():
        print("%s"%(details,))

Output:
('name', 'interface Eth-Trunk1.130')
('description', ['EXT_MISUMI', 'INDIA', 'PVT', 'LTD_12405738282'])
('vlan', '130')
('ip', ['address', '111.93.33.201', '255.255.255.248'])
('policy', '30Mb')
('name', 'interface Eth-Trunk1.155')
('description', ['EXT_IREO-12405068279'])
('vlan', '155')
('ip', ['address', '111.93.232.221', '255.255.255.252'])
('policy', 'Internet_8Mb')
('name', 'interface Eth-Trunk1.157')
('description', ['EXT_IREO-12405068279'])
('vlan', '155')
('ip', ['address', '111.93.232.221', '255.255.255.252'])
('policy', 'Internet_8Mb')
('name', 'interface Eth-Trunk1.158')
('description', ['EXT_MATHWORKS', 'INDIA', 'PRIVATE', 'LIMITED_1105725697'])
('vlan', '158')
('ip', ['address', '111.93.206.33', '255.255.255.252'])
('policy', '10Mb')