在google colab上创建本地neo4j数据库并启动

# 创建一个本地的neo4j数据库及其插件并启动

# download 4.3.3
!curl http://dist.neo4j.org/neo4j-community-4.3.3-unix.tar.gz -o neo4j.tar.gz
# decompress and rename
!tar -xf neo4j.tar.gz  # or --strip-components=1
!mv neo4j-community-4.3.3 nj
# disable password, and start server
!sed -i '/#dbms.security.auth_enabled/s/^#//g' nj/conf/neo4j.conf
!nj/bin/neo4j start

# install Neo4j Graph Data Science (GDS) library安装GDS
%cd nj/plugins/
!wget https://s3-eu-west-1.amazonaws.com/com.neo4j.graphalgorithms.dist/graph-data-science/neo4j-graph-data-science-1.6.4-standalone.zip
!unzip neo4j-graph-data-science-1.6.4-standalone.zip
## 手工修改nj/conf/neo4j.conf
dbms.security.procedures.unrestricted=gds.*
dbms.security.procedures.allowlist=gds.*
# 重启neo4j
%cd ../..
!nj/bin/neo4j stop
!nj/bin/neo4j start

!pip install pandas neo4j scikit-learn karateclub

from neo4j import GraphDatabase
host = 'bolt://localhost:7687'
driver = GraphDatabase.driver(host)