[IGNITE-15266] Python nested object arrays re-serialization failure

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: python-0.5.1
• Fix Version/s: python-0.5.2
• Component/s: python, thin client
• Labels: python thin
• Release Note: Fixed nested object array deserialization
• Ignite Flags: Release Notes Required
• Assignee: Bojidar Marinov
• Reporter: Bojidar Marinov
• Created: 05/Aug/21 18:27
• Updated: 09/Sep/21 09:27
• Resolved: 06/Aug/21 10:46

Description

When reading an object that contains an object array directly inside another object array from python, and attempting to write it back directly, the following error is raised:

  File ".../ignite-python-thin-client/pyignite/utils.py", line 69, in is_hinted
    return isinstance(value, tuple) and len(value) == 2 and issubclass(value[1], IgniteDataType)
TypeError: issubclass() arg 1 must be a class

 

Sample reproduction:

 

from pyignite import Client
from pyignite.datatypes import ObjectArrayObject
ignite = Client()
with ignite.connect('localhost', 10800):
    cache = ignite.get_or_create_cache('example')
    example_nested = ((ObjectArrayObject.OBJECT, [1]), ObjectArrayObject)
    example = (ObjectArrayObject.OBJECT, [example_nested])
    print(example) #                             (-1, [((-1, [1]), <class 'pyignite.datatypes.complex.ObjectArrayObject'>)])
    cache.put('example', example)
    print(cache.get('example')) #                (3, [(-1, [1])])
    cache.put('example', cache.get('example')) # TypeError: issubclass() arg 1 must be a class
    print(cache.get('example'))

 

 

Issue Links

• links to: GitHub Pull Request #48
• links to: TC build