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    "info": {
        "author": "podhmo",
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        "description": "sqlaqb\n========================================\n\n* utility for portable model definition with sqlalchemy\n* black magic? of cource.\n\nwhat is portable model definition?\n----------------------------------------\n\nsqlalchemy, it is ok that just definition declarative model class depends on another model.\n(e.g. We have two model, Group and User. User depends on Group Model.)\n\nBut,when providing model classes like these as a library, we are thinking about portability.\n\n* Library User: creating Operator model depends on User. but User class is provided by Library.\n* Library Author: We have convinient User Model, so, share it.\n* (Both of Two): but's what tablename is this Model?(e.g. User,user,users,mylib_users?)\n\nThis package's motibation is solving such a problem like above.\n\nHow to use this?\n----------------------------------------\n\nLibrary Author code::\n\n    #foo/auth.py\n    import sqlalchemy as sa\n    from sqlalchemy.orm import relationship\n    from sqlaqb import (\n        ModelCreation, \n        ModuleProvider, \n        ModelSeed, \n        with_tablename, \n        with_modelname, \n    )\n\n    creation = ModelCreation()\n    _provider = ModuleProvider(creation)\n    create_models = _provider\n\n    @creation.register(\"Group\")\n    class Group(ModelSeed):\n        id=sa.Column(sa.Integer, primary_key=True, nullable=False)\n        name=sa.Column(sa.String(255), nullable=False)\n\n    @creation.register(\"User\", depends=[\"Group\"])\n    class User(ModelSeed):\n        id=sa.Column(sa.Integer, primary_key=True, nullable=False)\n        name=sa.Column(sa.String(255), nullable=False)\n\n        @with_tablename(\"Group\")\n        def group_id(cls, group_table_name):\n            return sa.Column(sa.Integer, sa.ForeignKey(\"{}.id\".format(group_table_name)), nullable=True)\n\n        @with_modelname(\"Group\")\n        def group(cls, name):\n            return relationship(name)\n\n        def verify_password(self, password):\n            return self.password_digest == password\n\nLibrary User can decide table name provided by library. \n\nLibrary User code::\n\n        from foo.auth import create_models\n        from sqlalchemy.ext.declarative import declarative_base\n\n        Base = declarative_base()        \n        contract = {\"User\": {\"table_name\": \"users\"}, \n                    \"Group\": {\"table_name\": \"groups\", \"model_name\": \"_Group\"}}\n        models = create_models(Base, contract)\n\n        models._Group # Group model defined in foo.auth.py\n        models.User # User model defined in foo.auth.py\n\nmore over, also enable to inject dependents model.\n\nLibrary User code::\n\n        from foo.auth import create_models\n        from sqlalchemy.ext.declarative import declarative_base\n\n        Base = declarative_base()\n        class MyGroup(Base):\n            id = sa.Column(sa.Integer, primary_key=True, nullable=False)\n            special = sa.Column(sa.String(\"32\"), doc=\"this is special\")\n            __tablename__ = \"my_groups\"\n\n        contract = {\"User\": {\"table_name\": \"users\"}, \n                    \"Group\": {\"model\": MyGroup}}\n\n        models = create_models(Base, contract)\n\n        models.Group # Group model define by library user\n        models.User # User model defined in foo.auth.py\n\n\n",
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