serpyco-rs 0.2.0

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serpyco-rs: a serializer for python dataclasses

What is serpyco-rs ?

Serpyco is a serialization library for Python 3.9+ dataclasses that works just by defining your dataclasses:

import dataclasses
import serpyco_rs

@dataclasses.dataclass
class Example:
    name: str
    num: int
    tags: list[str]


serializer = serpyco_rs.Serializer(Example)

result = serializer.dump(Example(name="foo", num=2, tags=["hello", "world"]))
print(result)

>> {'name': 'foo', 'num': 2, 'tags': ['hello', 'world']}

serpyco-rs works by analysing the dataclass fields and can recognize many types : list, tuple, Optional... You can also embed other dataclasses in a definition.

The main use-case for serpyco-rs is to serialize objects for an API, but it can be helpful whenever you need to transform objects to/from builtin Python types.

Installation

Use pip to install:

$ pip install serpyco-rs

Features

• Serialization and unserialization of dataclasses
• Validation of input/output data
• Very fast
• Support recursive schemas

Supported field types

There is support for generic types from the standard typing module:

• Decimal
• UUID
• Time
• Date
• DateTime
• Enum
• List
• Dict
• Mapping
• Sequence
• Tuple (fixed size)