Source code for cattr.preconf.pyyaml

"""Preconfigured converters for pyyaml."""
from datetime import datetime

from .._compat import FrozenSetSubscriptable
from ..converters import GenConverter
from . import validate_datetime


[docs]def configure_converter(converter: GenConverter): """ Configure the converter for use with the pyyaml library. * frozensets are serialized as lists * string enums are converted into strings explicitly """ converter.register_unstructure_hook( str, lambda v: v if v.__class__ is str else v.value ) converter.register_structure_hook(datetime, validate_datetime)
[docs]def make_converter(*args, **kwargs) -> GenConverter: kwargs["unstruct_collection_overrides"] = { **kwargs.get("unstruct_collection_overrides", {}), FrozenSetSubscriptable: list, } res = GenConverter(*args, **kwargs) configure_converter(res) return res