SQLAlchemy モデル コード生成ツール

住所

https://pypi.org/project/sqlacodegen/

https://github.com/agronholm/sqlacodegen

インストール

pip install sqlacodegen

使用

sqlacodegen postgresql:///some_local_db
sqlacodegen mysql+oursql://user:password@localhost/dbname
sqlacodegen sqlite:///database.db

使用例:

//将生成的代码显示到控制台
sqlacodegen mysql+pymysql://数据库连接名:数据库连接密码@127.0.0.1/数据库名字?charset=utf8mb4

//将生成的代码存储到文件
sqlacodegen mysql+pymysql://数据库连接名:数据库连接密码@127.0.0.1/数据库名字?charset=utf8mb4 --outfile "ModelsMyql.py"

コード例を生成します。

class Car(Base):
    __tablename__ = 'car'

    id = Column(Integer, primary_key=True)
    license_plate = Column(VARCHAR(255), comment='车牌号')
    driver_name = Column(VARCHAR(50), comment='驾驶人')
    industrial_internet_id = Column(VARCHAR(255), comment='互联网唯一标识')


class Student(Base):
    __tablename__ = 'students'

    id = Column(Integer, primary_key=True)
    first_name = Column(String(255))
    last_name = Column(String(255))
    age = Column(Integer)

その他のオプション

optional arguments:
  -h, --help         show this help message and exit
  --version          print the version number and exit
  --schema SCHEMA    load tables from an alternate schema
  --tables TABLES    tables to process (comma-separated, default: all)
  --noviews          ignore views
  --noindexes        ignore indexes
  --noconstraints    ignore constraints
  --nojoined         don't autodetect joined table inheritance
  --noinflect        don't try to convert tables names to singular form
  --noclasses        don't generate classes, only tables
  --nocomments       don't render column comments
  --outfile OUTFILE  file to write output to (default: stdout)