Leak me CREATE TABLE / SQLAlchemy で実行直前のCREATE TABLEを横取りする

leakmeCT.py

from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column
from sqlalchemy import Integer, DateTime, String, Text
from sqlalchemy import UniqueConstraint, Sequence
from sqlalchemy import create_engine

Base = declarative_base()

class SomeTable(Base):
    __tablename__ = 'some_nice_table'
    __table_args__ = (
        UniqueConstraint('name', 'birthday'),
        )
    id = Column(Integer, Sequence('some_table_id_seq'), primary_key=True)
    name = Column(String(256))
    birthday  = Column(DateTime)
    memo = Column(Text)

sq_engine = create_engine('sqlite://')
pg_engine = create_engine('postgres://localhost/test')
sq_con = sq_engine.connect()
pg_con = pg_engine.connect()

def leakme(self, object, *multiparams, **params):
    print object
    print multiparams
    print params

sq_con.__class__.execute = leakme
pg_con.__class__.execute = leakme
print '================= SQLITE ================='
SomeTable.__table__.create(bind=sq_engine)
print '================= POSTGRESQL ================='
SomeTable.__table__.create(bind=pg_engine)