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royalnet/royalpack/database/engine.py

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Python

import royalnet.lazy
import sqlalchemy.orm
from ..config import *
lazy_engine = royalnet.lazy.Lazy(lambda c: sqlalchemy.create_engine(c["database.uri"]), c=lazy_config)
"""
The uninitialized sqlalchemy engine.
"""
lazy_session_class = royalnet.lazy.Lazy(lambda e: sqlalchemy.orm.sessionmaker(bind=e), e=lazy_engine)
"""
The uninitialized sqlalchemy session class.
"""
SessionType = sqlalchemy.orm.Session
__all__ = (
"lazy_engine",
"lazy_session_class",
"SessionType",
)