DRF TimestampField for support unix-timestamp

timestamp_field.py

from datetime import datetime

from rest_framework import serializers
from rest_framework.settings import api_settings


class TimestampField(serializers.Field):
    def to_internal_value(self, value):
        return datetime.utcfromtimestamp(
            int(value)
        ).strftime(api_settings.DATETIME_FORMAT)