import sqlalchemy as sa

# 用Sqlite做例子,別的資料庫連線字串不同
engine = sa.create_engine('sqlite://', echo=True)
metadata = sa.MetaData()

# 假定這個是表結構
widgets_table = sa.Table('widgets', metadata,
sa.Column('id', sa.Integer, primary_key=True),
sa.Column('foo', sa.String(50)),
sa.Column('bar', sa.String(50)),
sa.Column('biz'
 
, sa.Boolean),
sa.Column('baz', sa.Integer),
)
metadata.create_all(engine)

# 假定這是你的資料結構,在一個list中每個元組是一條記錄
values = [
    (None, "Test", True, 3),
(None, "Test", True, 3),
]
# 主要是參考這部分如何批量插入
with engine.connect() as connection:
    with connection.begin() as transaction:
        try:
            markers = ','
 
.join('?' * len(values[0]))
            # 按段數拼成makers = '(?,?,?,?)'
ins = 'INSERT INTO {tablename} VALUES ({markers})'
ins = ins.format(tablename=widgets_table.name, markers=markers)
            # 如果你的表已經存在了,widgets_table.name改成表名就行了.
connection.execute(ins, values)
        except:
            transaction.rollback()
            raise
 
        else:
            transaction.commit()