Source code for cattr.preconf.ujson

"""Preconfigured converters for ujson."""
from base64 import b85decode, b85encode
from datetime import datetime

from .._compat import Set
from ..converters import Converter, GenConverter


[docs]def configure_converter(converter: Converter): """ Configure the converter for use with the ujson library. * bytes are serialized as base64 strings * datetimes are serialized as ISO 8601 * sets are serialized as lists """ converter.register_unstructure_hook( bytes, lambda v: (b85encode(v) if v else b"").decode("utf8") ) converter.register_structure_hook(bytes, lambda v, _: b85decode(v)) converter.register_unstructure_hook(datetime, lambda v: v.isoformat()) converter.register_structure_hook( datetime, lambda v, _: datetime.fromisoformat(v) )
[docs]def make_converter(*args, **kwargs) -> GenConverter: kwargs["unstruct_collection_overrides"] = { **kwargs.get("unstruct_collection_overrides", {}), Set: list, } res = GenConverter(*args, **kwargs) configure_converter(res) return res