| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| |
| class HugeGraph: |
| """HugeGraph wrapper for graph operations""" |
| |
| def __init__( |
| self, |
| username: str = "default", |
| password: str = "default", |
| url: str = "http://127.0.0.1:8081", |
| graph: str = "hugegraph", |
| ) -> None: |
| """Create a new HugeGraph wrapper instance.""" |
| try: |
| from pyhugegraph.client import PyHugeClient |
| except ImportError: |
| raise ValueError( |
| "Please install HugeGraph Python client first: `pip3 install hugegraph-python-client`" |
| ) from ImportError |
| |
| self.username = username |
| self.password = password |
| self.url = url |
| self.graph = graph |
| self.client = PyHugeClient(url=url, user=username, pwd=password, graph=graph, graphspace=None) |
| self.schema = "" |
| |
| def exec(self, query) -> str: |
| """Returns the schema of the HugeGraph database""" |
| return self.client.gremlin().exec(query) |
