How to use the pymisp.MISPAttribute function in pymisp

def test_attribute(self):
        first = self.create_simple_event()
        second = self.create_simple_event()
        a = second.add_attribute('ip-src', '11.11.11.11')
        a.add_tag('testtag_admin_created')
        second.distribution = Distribution.all_communities
        try:
            first = self.user_misp_connector.add_event(first)
            second = self.admin_misp_connector.add_event(second, pythonify=True)
            # Get attribute
            attribute = self.user_misp_connector.get_attribute(first.attributes[0])
            self.assertEqual(first.attributes[0].uuid, attribute.uuid)
            # Add attribute
            new_attribute = MISPAttribute()
            new_attribute.value = '1.2.3.4'
            new_attribute.type = 'ip-dst'
            new_attribute = self.user_misp_connector.add_attribute(first, new_attribute)
            self.assertTrue(isinstance(new_attribute, MISPAttribute), new_attribute)
            self.assertEqual(new_attribute.value, '1.2.3.4', new_attribute)
            # Test attribute already in event
            # new_attribute.uuid = str(uuid4())
            # new_attribute = self.user_misp_connector.add_attribute(first, new_attribute)
            new_similar = MISPAttribute()
            new_similar.value = '1.2.3.4'
            new_similar.type = 'ip-dst'
            similar_error = self.user_misp_connector.add_attribute(first, new_similar)
            self.assertEqual(similar_error['errors'][1]['errors']['value'][0], 'A similar attribute already exists for this event.')

            # Test add multiple attributes at once
            attr1 = MISPAttribute()

first = self.user_misp_connector.get_event(first)
            self.assertEqual(first.attributes[-1].value, '5.2.3.4')
            # Accept attribute proposal - Attribute update
            response = self.user_misp_connector.accept_attribute_proposal(new_proposal_update)
            self.assertEqual(response['message'], 'Proposed change accepted.')
            attribute = self.user_misp_connector.get_attribute(new_attribute)
            self.assertEqual(attribute.to_ids, False)
            # Discard attribute proposal
            new_proposal_update = self.user_misp_connector.update_attribute_proposal(new_attribute.id, {'to_ids': True})
            response = self.user_misp_connector.discard_attribute_proposal(new_proposal_update)
            self.assertEqual(response['message'], 'Proposal discarded.')
            attribute = self.user_misp_connector.get_attribute(new_attribute)
            self.assertEqual(attribute.to_ids, False)

            # Test fallback to proposal if the user doesn't own the event
            prop_attr = MISPAttribute()
            prop_attr.from_dict(**{'type': 'ip-dst', 'value': '123.43.32.21'})
            # Add attribute on event owned by someone else
            attribute = self.user_misp_connector.add_attribute(second.id, prop_attr)
            self.assertTrue(isinstance(attribute, MISPShadowAttribute), attribute)
            # Test if add proposal without category works - https://github.com/MISP/MISP/issues/4868
            attribute = self.user_misp_connector.add_attribute(second.id, {'type': 'ip-dst', 'value': '123.43.32.22'})
            self.assertTrue(isinstance(attribute, MISPShadowAttribute))
            # Add attribute with the same value as an existing proposal
            prop_attr.uuid = str(uuid4())
            attribute = self.admin_misp_connector.add_attribute(second, prop_attr, pythonify=True)
            prop_attr.uuid = str(uuid4())
            # Add a duplicate attribute (same value)
            attribute = self.admin_misp_connector.add_attribute(second, prop_attr, pythonify=True)
            self.assertTrue('errors' in attribute)
            # Update attribute owned by someone else
            attribute = self.user_misp_connector.update_attribute({'comment': 'blah'}, second.attributes[0].id)

attr4.type = 'ip-dst'
            attr4.add_tag('tlp:amber___test_unique_not_created')
            attr4.add_tag('testtag_admin_created')
            response = self.user_misp_connector.add_attribute(first, [attr1, attr2, attr3, attr4])
            time.sleep(5)
            self.assertTrue(isinstance(response['attributes'], list), response['attributes'])
            self.assertEqual(response['attributes'][0].value, '1.2.3.5')
            self.assertEqual(response['attributes'][1].value, '1.2.3.6')
            self.assertTrue(isinstance(response['attributes'][1].tags, list), response['attributes'][1].to_json())
            self.assertTrue(len(response['attributes'][1].tags), response['attributes'][1].to_json())
            self.assertEqual(response['attributes'][1].tags[0].name, 'testtag_admin_created')
            self.assertEqual(response['errors']['attribute_0']['value'][0], 'A similar attribute already exists for this event.')
            self.assertEqual(response['errors']['attribute_2']['value'][0], 'A similar attribute already exists for this event.')

            # Add attribute as proposal
            new_proposal = MISPAttribute()
            new_proposal.value = '5.2.3.4'
            new_proposal.type = 'ip-dst'
            new_proposal.category = 'Network activity'
            new_proposal = self.user_misp_connector.add_attribute_proposal(first.id, new_proposal)
            self.assertEqual(new_proposal.value, '5.2.3.4')
            # Update attribute
            new_attribute.value = '5.6.3.4'
            new_attribute = self.user_misp_connector.update_attribute(new_attribute)
            self.assertEqual(new_attribute.value, '5.6.3.4')
            # Update attribute as proposal
            new_proposal_update = self.user_misp_connector.update_attribute_proposal(new_attribute.id, {'to_ids': False})
            self.assertEqual(new_proposal_update.to_ids, False)
            # Delete attribute as proposal
            proposal_delete = self.user_misp_connector.delete_attribute_proposal(new_attribute)
            self.assertTrue(proposal_delete['saved'])
            # Get attribute proposal

new_attribute.value = '1.2.3.4'
            new_attribute.type = 'ip-dst'
            new_attribute = self.user_misp_connector.add_attribute(first, new_attribute)
            self.assertTrue(isinstance(new_attribute, MISPAttribute), new_attribute)
            self.assertEqual(new_attribute.value, '1.2.3.4', new_attribute)
            # Test attribute already in event
            # new_attribute.uuid = str(uuid4())
            # new_attribute = self.user_misp_connector.add_attribute(first, new_attribute)
            new_similar = MISPAttribute()
            new_similar.value = '1.2.3.4'
            new_similar.type = 'ip-dst'
            similar_error = self.user_misp_connector.add_attribute(first, new_similar)
            self.assertEqual(similar_error['errors'][1]['errors']['value'][0], 'A similar attribute already exists for this event.')

            # Test add multiple attributes at once
            attr1 = MISPAttribute()
            attr1.value = '1.2.3.4'
            attr1.type = 'ip-dst'
            attr2 = MISPAttribute()
            attr2.value = '1.2.3.5'
            attr2.type = 'ip-dst'
            attr3 = MISPAttribute()
            attr3.value = first.attributes[0].value
            attr3.type = first.attributes[0].type
            attr4 = MISPAttribute()
            attr4.value = '1.2.3.6'
            attr4.type = 'ip-dst'
            attr4.add_tag('tlp:amber___test_unique_not_created')
            attr4.add_tag('testtag_admin_created')
            response = self.user_misp_connector.add_attribute(first, [attr1, attr2, attr3, attr4])
            time.sleep(5)
            self.assertTrue(isinstance(response['attributes'], list), response['attributes'])

new_similar.value = '1.2.3.4'
            new_similar.type = 'ip-dst'
            similar_error = self.user_misp_connector.add_attribute(first, new_similar)
            self.assertEqual(similar_error['errors'][1]['errors']['value'][0], 'A similar attribute already exists for this event.')

            # Test add multiple attributes at once
            attr1 = MISPAttribute()
            attr1.value = '1.2.3.4'
            attr1.type = 'ip-dst'
            attr2 = MISPAttribute()
            attr2.value = '1.2.3.5'
            attr2.type = 'ip-dst'
            attr3 = MISPAttribute()
            attr3.value = first.attributes[0].value
            attr3.type = first.attributes[0].type
            attr4 = MISPAttribute()
            attr4.value = '1.2.3.6'
            attr4.type = 'ip-dst'
            attr4.add_tag('tlp:amber___test_unique_not_created')
            attr4.add_tag('testtag_admin_created')
            response = self.user_misp_connector.add_attribute(first, [attr1, attr2, attr3, attr4])
            time.sleep(5)
            self.assertTrue(isinstance(response['attributes'], list), response['attributes'])
            self.assertEqual(response['attributes'][0].value, '1.2.3.5')
            self.assertEqual(response['attributes'][1].value, '1.2.3.6')
            self.assertTrue(isinstance(response['attributes'][1].tags, list), response['attributes'][1].to_json())
            self.assertTrue(len(response['attributes'][1].tags), response['attributes'][1].to_json())
            self.assertEqual(response['attributes'][1].tags[0].name, 'testtag_admin_created')
            self.assertEqual(response['errors']['attribute_0']['value'][0], 'A similar attribute already exists for this event.')
            self.assertEqual(response['errors']['attribute_2']['value'][0], 'A similar attribute already exists for this event.')

            # Add attribute as proposal

files = [p]
    elif p.is_dir():
        files = [f for f in p.glob('**/*') if f.is_file()]
    else:
        print('invalid upload path (must be file or dir)')
        exit(0)

    if args.is_malware:
        arg_type = 'malware-sample'
    else:
        arg_type = 'attachment'

    # Create attributes
    attributes = []
    for f in files:
        a = MISPAttribute()
        a.type = arg_type
        a.value = f.name
        a.data = f
        a.comment = args.comment
        a.distribution = args.distrib
        if args.expand and arg_type == 'malware-sample':
            a.expand = 'binary'
        attributes.append(a)

    if args.event:
        for a in attributes:
            misp.add_attribute(args.event, a)
    else:
        m = MISPEvent()
        m.info = args.info
        m.distribution = args.distrib

def form_attr_obj(self, type, value, file=None):
        try:
            attr = MISPAttribute()
            attr.type = type
            attr.value = value

            if file is not None:
                path = Path(file)
                attr.data = path

            self.attributes.append(attr)

        except Exception as e:
            exc_type, exc_obj, exc_tb = sys.exc_info()
            print("ERROR: Error in {location}.{funct_name}() - line {line_no} : {error}"
                  .format(location=__name__, funct_name=sys._getframe().f_code.co_name, line_no=exc_tb.tb_lineno,
                          error=str(e)))

if self.type is None:
            self.type = definition['misp-attribute']
        self.disable_correlation = kwargs.pop('disable_correlation', None)
        if self.disable_correlation is None:
            # The correlation can be disabled by default in the object definition.
            # Use this value if it isn't overloaded by the object
            self.disable_correlation = definition.get('disable_correlation')
        self.to_ids = kwargs.pop('to_ids', None)
        if self.to_ids is None:
            # Same for the to_ids flag
            self.to_ids = definition.get('to_ids')
        # Initialise rest of the values
        for k, v in kwargs.items():
            self[k] = v
        # FIXME: dirty hack until all the classes are ported to the new format but we get the default values
        temp_attribute = MISPAttribute()
        temp_attribute.set_all_values(**self)
        # Update default values
        self.from_dict(**temp_attribute.to_dict())