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A marshmallow-sqlalchemy field allows referential CRUD on relational fields.

Project Description

Installation

pip install marshmallow-sqlalchemy-referential

Sample Usage

import sqlalchemy as sa
from sqlalchemy.ext.declarative import declarative_base
from marshmallow_sqlalchemy_referential import Referential
from marshmallow_sqlalchemy import ModelSchema
from marshmallow import fields

Base = declarative_base()

user_group_assoc = sa.Table(
  'user_group_assoc', Base.metadata,
  sa.Column('user_id', sa.Integer, sa.ForeignKey('user.id')),
  sa.Column('group_id', sa.Integer, sa.ForeignKey('group.id'))
)

class User(Base):
    __tablename__ = 'user'

    id = sa.Column(sa.Integer(), primary_key=True)
    groups = sa.orm.relationship('Group', secondary=user_group_assoc)

class Group(Base):
    __tablename__ = 'group'

    id = sa.Column(sa.Integer(), primary_key=True)
    users = sa.orm.relationship('User', secondary=user_group_assoc)


class GroupSchema(ModelSchema):
  class Meta():
      dump_only = ['id']

  id = fields.Integer()

class UserSchema(ModelSchema):
  class Meta():
      dump_only = ['id']

  id = fields.Integer()
  groups = Referential(GroupSchema, model=Group, many=True)

Release history Release notifications

This version
History Node

1.0.5

History Node

1.0.4

History Node

1.0.2

History Node

1.0.1

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marshmallow-sqlalchemy-referential-1.0.5.tar.gz (3.9 kB) Copy SHA256 hash SHA256 Source None Sep 8, 2016

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