#15149: Bug in pickling of toric varieties, II
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Reporter: jkeitel | Owner:
Type: defect | Status: new
Priority: major | Milestone: sage-6.0
Component: algebraic | Resolution:
geometry | Merged in:
Keywords: toric | Reviewers:
Authors: | Work issues:
Report Upstream: N/A | Commit:
Branch: | 15a41647c634421769963f6b6ccabe65c7907789
u/jkeitel/toric_pickling_2 | Stopgaps:
Dependencies: #15050 |
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Comment (by vbraun):
In theory, I would agree that one needs to implement `__reduce__`
(basically, for all classes that inherit from !UniqueRepresentation). But
1. It is really hard to doctest. Not only must you restore all the data
for the hash, but if there is a hash collision then you also need all the
data for `__cmp__()`.
2. In practice, Python doesn't support circular `__reduce__` so we'll end
up just triggering that bug.
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Ticket URL: <http://trac.sagemath.org/ticket/15149#comment:4>
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