Desert: DRY deserialization

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code
tests
package

Desert generates serialization schemas for dataclasses and attrs classes. Writing code that's DRY ("don't repeat yourself") helps avoid bugs and improve readability. Desert helps you write code that's DRY.

Installation

pip install desert

or with Poetry

poetry add desert

Usage

A simple example models two Person objects in a Car.

fromdataclassesimportdataclass# Or using attrs# from attr import dataclassfromtypingimportListimportdesert@dataclassclassPerson:
name: strage: int@dataclassclassCar:
passengers: List[Person]
# Load some simple data types.data= {'passengers': [{'name': 'Alice', 'age': 21}, {'name': 'Bob', 'age': 22}]}
# Create a schema for the Car class.schema=desert.schema(Car)
# Load the data.car=schema.load(data)
assertcar==Car(passengers=[Person(name='Alice', age=21), Person(name='Bob', age=22)])

Documentation

https://desert.readthedocs.io/

Limitations

String annotations and forward references inside of functions are not supported.

Acknowledgements

• This package began as an extension of marshmallow-dataclass to add support for attrs.