metadata,
Column('id', Integer, primary_key=True),
Column('node_id', Integer, ForeignKey('node.id'), nullable=False),
Column('ipv4', String(14), unique=True),
Column('ipv6', String(80), unique=True),
)
connection_table = Table(
'connection', metadata,
Column('a', Integer, ForeignKey('interface.id'), nullable=False),
Column('b', Integer, ForeignKey('interface.id'), nullable=False))
engine = create_engine('sqlite://', echo=True)
metadata.create_all(engine)
m2 = MetaData()
m2_node_table = Table('node', m2, autoload=True, autoload_with=engine)
m2_interface_table = Table('interface',
m2,
autoload=True,
autoload_with=engine)
print(m2_node_table.columns)
print(m2_interface_table.columns)
print(m2_node_table.__repr__())
from sqlalchemy import inspect
inspector = inspect(engine)
inspector.get_columns('address')
inspector.get_foreign_keys('address')
