def database_connection():
"""Sets up a database connection if it has not been set up yet in this process and returns said connection."""
global _database_connection
global _current_process_id
if not _database_connection or os.getpid() != _current_process_id:
_database_connection = ZEO.connection(_database_address)
_current_process_id = os.getpid()
transaction.begin()
# print(f"PID {os.getpid()}: Created new DB connection: {_database_connection} connecting to {_database_address}")
# else:
# print(f"PID {os.getpid()}: Returning old DB connection {_database_connection}")
return _database_connection
def connectZEO(host='docker-compose_zeo_1', port=8090):
'''
Input:
host - host server
port - port to connect to
Output:
returns database-root
'''
# To connect to ZEO
import ZEO
# Connect to ZODB
connection = ZEO.connection((host, port))
return connection.root()
import ZEO adr, stop = ZEO.server(path='127.0.0.1', port=8018) print(adr) connection = ZEO.connection(adr) client_storage = ZEO.client(adr) stop()
