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PynamoDB integration with the marshmallow (de)serialization library

Project description

========
marshmallow-pynamodb
========

`PynamoDB <https://pynamodb.readthedocs.io/en/latest/>`_ integration with the `marshmallow <https://marshmallow.readthedocs.io/en/latest/>`_ (de)serialization library.

Installation
============
From PyPi::

$ pip install marshmallow-pynamodb

From GitHub::

$ pip install git+https://github.com/mathewmarcus/marshmallow-pynamodb#egg=marshmallow_pynamodb

Declare your models
===================

.. code-block:: python

from pynamodb.models import Model
from pynamodb.attributes import UnicodeAttribute

class User(Model):
class Meta:
table_name = "user"
email = UnicodeAttribute(null=True)
first_name = UnicodeAttribute(range_key=True)
last_name = UnicodeAttribute(hash_key=True)

Generate marshmallow schemas
============================

.. code-block:: python

from marshmallow_pynamodb import ModelSchema

class UserSchema(ModelSchema):
class Meta:
model = User

user_schema = UserSchema()


(De)serialize your data
=======================

.. code-block:: python

user = User(last_name="Smith", first_name="John")

author_schema.dump(user).data
# {u'first_name': u'John', u'last_name': u'Smith', u'email': None}

author_schema.load({"last_name": "Smith", "first_name": "John"}).data
# user<Smith>

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