import os

from sqlalchemy import create_engine, MetaData, orm
from sqlalchemy.ext.declarative import declarative_base

pengine_rc = create_engine("postgresql://xpertconnect:123@localhost:5432/rsa_crawling")

Base = declarative_base()
metadata_rc = MetaData(pengine_rc)
metadata_rc.reflect()

Session_rc = orm.sessionmaker(pengine_rc)

session_rc = Session_rc()