Source code for cattr.preconf.msgpack
"""Preconfigured converters for msgpack."""
from datetime import datetime, timezone
from .._compat import Set
from ..converters import GenConverter
[docs]def configure_converter(converter: GenConverter):
"""
Configure the converter for use with the msgpack library.
* datetimes are serialized as timestamp floats
* sets are serialized as lists
"""
converter.register_unstructure_hook(datetime, lambda v: v.timestamp())
converter.register_structure_hook(
datetime, lambda v, _: datetime.fromtimestamp(v, timezone.utc)
)
[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