Created
February 9, 2021 23:43
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Neo4j Python connection class
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class Neo4jConnection: | |
def __init__(self, uri, user, pwd): | |
self.__uri = uri | |
self.__user = user | |
self.__pwd = pwd | |
self.__driver = None | |
try: | |
self.__driver = GraphDatabase.driver(self.__uri, auth=(self.__user, self.__pwd)) | |
except Exception as e: | |
print("Failed to create the driver:", e) | |
def close(self): | |
if self.__driver is not None: | |
self.__driver.close() | |
def query(self, query, parameters=None, db=None): | |
assert self.__driver is not None, "Driver not initialized!" | |
session = None | |
response = None | |
try: | |
session = self.__driver.session(database=db) if db is not None else self.__driver.session() | |
response = list(session.run(query, parameters)) | |
except Exception as e: | |
print("Query failed:", e) | |
finally: | |
if session is not None: | |
session.close() | |
return response | |
conn = Neo4jConnection(uri="bolt://52.87.205.91:7687", | |
user="neo4j", | |
pwd="difficulties-pushup-gaps") |
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