Class JsonEncode override for custom date format v1.0.1

json_encodings.py

class BetterJsonEncode(JSONEncoder):
    def default(self, obj):
        if isinstance(obj, date):
            return obj.isoformat()
        if isinstance(obj, datetime):
            return obj.isoformat()
        if isinstance(obj, decimal.Decimal):
            return float(obj)
        if hasattr(obj, '__getitem__') and hasattr(obj, 'keys'):
            return dict(obj)
        if hasattr(obj, '__dict__'):
            return {member: getattr(obj, member)
                    for member in dir(obj)
                    if not member.startswith('_') and
                    not hasattr(getattr(obj, member), '__call__')}

        return json.JSONEncoder.default(self, obj)