example of serializer of datajuggler

example_of_serializer.py

n [1]: from datajuggler import serializer as io

In [2]: import decimal

In [3]: import datetime

In [4]: data = {
   ...:   'a': 1,
   ...:   'b': decimal.Decimal('2'),
   ...:   'c': datetime.datetime(2020, 5, 24, 8, 20),
   ...:   'd': datetime.date(1962, 1, 13),
   ...:   'e': datetime.time(11, 12, 13),
   ...:   'f': [1, 2, 3, decimal.Decimal('4')]
   ...:   }

In [5]: io.dumps(data, format='json')
Out[5]: b'{"a": 1, "b": {"__class_name__": "<class \'decimal.Decimal\'>", "__dumped_obj__": {"__type__": "Decimal", "value": "2"}}, "c": {"__class_name__": "<class \'datetime.datetime\'>", "__dumped_obj__": {"__type__": "datetime", "value": [2020, 5, 24, 8, 20, 0]}}, "d": {"__class_name__": "<class \'datetime.date\'>", "__dumped_obj__": {"__type__": "date", "value": [1962, 1, 13]}}, "e": {"__class_name__": "<class \'datetime.time\'>", "__dumped_obj__": {"__type__": "time", "value": [11, 12, 13]}}, "f": [1, 2, 3, {"__class_name__": "<class \'decimal.Decimal\'>", "__dumped_obj__": {"__type__": "Decimal", "value": "4"}}]}'

In [6]: io.dumps(data, format='msgpack')
Out[6]: b"\x86\xa1a\x01\xa1b\x82\xae__class_name__\xb9<class 'decimal.Decimal'>\xae__dumped_obj__\x82\xa8__type__\xa7Decimal\xa5value\xa12\xa1c\x82\xae__class_name__\xbb<class 'datetime.datetime'>\xae__dumped_obj__\x82\xa8__type__\xa8datetime\xa5value\x96\xcd\x07\xe4\x05\x18\x08\x14\x00\xa1d\x82\xae__class_name__\xb7<class 'datetime.date'>\xae__dumped_obj__\x82\xa8__type__\xa4date\xa5value\x93\xcd\x07\xaa\x01\r\xa1e\x82\xae__class_name__\xb7<class 'datetime.time'>\xae__dumped_obj__\x82\xa8__type__\xa4time\xa5value\x93\x0b\x0c\r\xa1f\x94\x01\x02\x03\x82\xae__class_name__\xb9<class 'decimal.Decimal'>\xae__dumped_obj__\x82\xa8__type__\xa7Decimal\xa5value\xa14"

In [7]: io.dumps(data, format='pickle')
Out[7]: b"\x80\x04\x95\xa8\x01\x00\x00\x00\x00\x00\x00}\x94(\x8c\x01a\x94K\x01\x8c\x01b\x94\x8c\x08builtins\x94\x8c\x07getattr\x94\x93\x94\x8c'datajuggler.serializer.class_serializer\x94\x8c\x16DecimalClassSerializer\x94\x93\x94)\x81\x94\x8c\x06decode\x94\x86\x94R\x94}\x94(\x8c\x08__type__\x94\x8c\x07Decimal\x94\x8c\x05value\x94\x8c\x012\x94u\x85\x94R\x94\x8c\x01c\x94h\x05h\x06\x8c\x17DatetimeClassSerializer\x94\x93\x94)\x81\x94h\n\x86\x94R\x94}\x94(h\x0e\x8c\x08datetime\x94h\x10]\x94(M\xe4\x07K\x05K\x18K\x08K\x14K\x00eu\x85\x94R\x94\x8c\x01d\x94h\x05h\x06\x8c\x13DateClassSerializer\x94\x93\x94)\x81\x94h\n\x86\x94R\x94}\x94(h\x0e\x8c\x04date\x94h\x10]\x94(M\xaa\x07K\x01K\reu\x85\x94R\x94\x8c\x01e\x94h\x05h\x06\x8c\x13TimeClassSerializer\x94\x93\x94)\x81\x94h\n\x86\x94R\x94}\x94(h\x0e\x8c\x04time\x94h\x10]\x94(K\x0bK\x0cK\reu\x85\x94R\x94\x8c\x01f\x94]\x94(K\x01K\x02K\x03h\x0c}\x94(h\x0eh\x0fh\x10\x8c\x014\x94u\x85\x94R\x94eu."

In [8]: io.dumps(data, format='yaml')
Out[8]: b"a: 1\nb: !!python/object/apply:decimal.Decimal\n- '2'\nc: 2020-05-24 08:20:00\nd: 1962-01-13\ne: !!python/object/apply:datetime.time\n- !!binary |\n  CwwNAAAA\nf:\n- 1\n- 2\n- 3\n- !!python/object/apply:decimal.Decimal\n  - '4'\n"

In [9]: s = io.dumps(data, format='yaml')

In [10]: io.loads(s, format='yaml')
Out[10]:
{'a': 1,
 'b': Decimal('2'),
 'c': datetime.datetime(2020, 5, 24, 8, 20),
 'd': datetime.date(1962, 1, 13),
 'e': datetime.time(11, 12, 13),
 'f': [1, 2, 3, Decimal('4')]}

In [11]: