Super Enhanced Json encoder

super_enhanced_json_encoder.py

import dataclasses
import datetime
import decimal
import json
import uuid


# example
# json.dumps({ }, cls=SuperEnhancedJSONEncoder)

class SuperEnhancedJSONEncoder(json.JSONEncoder):
        def default(self, o):
            if dataclasses.is_dataclass(o):
               return dataclasses.asdict(o)
            if isinstance(o, datetime.datetime):
                r = o.isoformat()
                if o.microsecond:
                    r = r[:23] + r[26:]
                if r.endswith("+00:00"):
                    r = r[:-6] + "Z"
                return r
            elif isinstance(o, datetime.date):
                return o.isoformat()
            elif isinstance(o, datetime.time):
                if is_aware(o):
                    raise ValueError("JSON can't represent timezone-aware times.")
                r = o.isoformat()
                if o.microsecond:
                    r = r[:12]
                return r
            elif isinstance(o, datetime.timedelta):
                return duration_iso_string(o)
            elif isinstance(o, (decimal.Decimal, uuid.UUID, Promise)):
                return str(o)
            elif hasattr(o, 'to_json') is False:
                return o.__dict__
            else:
                return super().default(o)