full_field_api.py

from verbose_dataclasses import dataclass, field
from datatime import datetime

@dataclass(order=True, unsafe_hash=True)
class Employee:
	emp_id: int = field()
	name: str = field()
	gender: str = field()
	salary: int = field(hash=False, repr=False, metadata={'units': 'bitcoin'})
	age: int = field(hash=False)
	viewed_by: list = field(default_factory=list, compare=False, repr=False)

	def access(self, viewer_id):
		self.viewed_by.append((viewer_id, datetime.now()))