#13835: pickle_function, unpickle_function don't handle default arguments
properly
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Reporter: cnassau | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-5.6
Component: pickling | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by cnassau):
Here are a few more failures from #13814 in Sage 5.5.rc0.
{{{#!python
sage: f=Family(NonNegativeIntegers(),Partitions) ; f
Lazy family (Partitions(i))_{i in Non negative integers}
sage: loads(dumps(f))
Traceback (most recent call last)
...
ValueError: Cannot pickle code objects from closures
sage: f=Family(NonNegativeIntegers(),lambda n:Partitions(n))
sage: g=loads(dumps(f))
sage: f[5]
Partitions of the integer 5
sage: g[5]
Traceback (most recent call last)
...
NameError: global name 'Partitions' is not defined
}}}
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13835#comment:1>
Sage <http://www.sagemath.org>
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