234.2.py

from app import api_root
from flask_restful import Resource


@api_root.resource('/documents')
class DocumentListAPI(Resource):
    def get(self):
        items = [
            {'id': 1, 'title': 'title1', 'content': 'content1', 'ip': '1.2.3.4'},
            {'id': 2, 'title': 'title2', 'content': 'content2', 'ip': '5.6.7.8'},
            {'id': 3, 'title': 'title3', 'content': 'content3', 'ip': '9.10.11.12'}
        ]

        for item in items:
            parts = item['ip'].split('.')
            parts[1] = '***'
            item['ip'] = '.'.join(parts)

        return {
            'items': items
        }