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d868fac 691f45a d868fac 691f45a d868fac 691f45a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | from __future__ import annotations
from dataclasses import dataclass
from typing import Generic, TypeVar, Type, Callable, Any
from .enums import DataTypeId
T = TypeVar("T")
@dataclass(frozen=True, slots=True)
class DataType(Generic[T]):
"""Logical datatype used on ports.
:param id: stable enum id
:param name: human readable name
:param py_type: Python runtime type
:param encode: optional encoder to JSON safe data
:param decode: optional decoder from JSON safe data
"""
id: DataTypeId
name: str
py_type: Type[T]
encode: Callable[[T], Any] | None = None
decode: Callable[[Any], T] | None = None
color: str = "#888888"
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