db_engine = sa.create_engine('sqlite:///db.sqlite')
metadata = sa.MetaData()
# Mapping Objects
class
():
def __init__(self
,
):
self.
=
def __repr__(self):
return "<
(
'%s'
,
)>" % (
self.
,
)
# Declare mappings
mapper(
,
_table)
# Create a session
session = sessionmaker(bind=db_engine)
# Table definition -
#
_table = sa.Table("
", metadata,
)
sa.Column('
'
, nullable=True
, autoincrement=True
, primary_key=True
)
,
,
, length=
, sa.ForeignKey("
.
")
#
-