py-scopes/scopes/storage/db/postgres.py

23 lines
704 B
Python

# scopes.storage.db.postgres
"""Database-related code specific for PostgreSQL."""
from sqlalchemy import create_engine
from sqlalchemy import BigInteger, JSONB
from sqlalchemy.dialects.postgresql import JSONB
from sqlalchemy.orm import scoped_session, sessionmaker
import transaction
from zope.sqlalchemy import register, mark_changed
def sessionFactory(engine):
Session = scoped_session(sessionmaker(bind=engine, twophase=True))
register(Session)
return Session
def getEngine(dbtype, dbname, user, pw, host='localhost', port=5432, **kw):
return create_engine('%s://%s:%s@%s:%s/%s' % (
dbtype, user, pw, host, port, dbname), **kw)
def commit(conn):
transaction.commit()