/Python/TypeError: can't pickle weakref objects site:stackoverflow.com

TypeError: can't pickle weakref objects site:stackoverflow.com

>>> import dill
>>> import weakref
>>> dill.loads(dill.dumps(weakref.WeakKeyDictionary()))
<WeakKeyDictionary at 4528979192>
>>> dill.loads(dill.dumps(weakref.WeakValueDictionary()))
<WeakValueDictionary at 4528976888>
>>> class _class:
...   def _method(self):
...     pass
... 
>>> _instance = _class()
>>> dill.loads(dill.dumps(weakref.ref(_instance)))
<weakref at 0x10d748940; dead>
>>> dill.loads(dill.dumps(weakref.ref(_class())))
<weakref at 0x10e246a48; dead>
>>> dill.loads(dill.dumps(weakref.proxy(_instance)))
<weakproxy at 0x10e246b50 to NoneType at 0x10d481598>
>>> dill.loads(dill.dumps(weakref.proxy(_class())))
<weakproxy at 0x10e246ba8 to NoneType at 0x10d481598>

Source: stackoverflow.com

Similar codes

4 votes128 views3 answers
Txt to list python
Python
3 votes145 views1 answer
Pickle load pickle file
Python
0 vote135 views3 answers
Ajouter dans une liste python
Python
0 vote141 views1 answer
Tuples unpacking
Python
0 vote136 views3 answers
H2o ai python
Python
1 vote134 views1 answer
Stop procedure python
Python
0 vote138 views1 answer
Setting spacing between ticks in matplotlib
Python
0 vote126 views1 answer
Display multiple dataframe as table jupyter notebook
Python
2 votes133 views1 answer
Python copy a 2D list
Python
0 vote134 views1 answer
Natural language processing with python
Python