Status: New
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 3870 by [email protected]: Can't pickle custom functions
http://code.google.com/p/sympy/issues/detail?id=3870
import sympy as sp
from pickle import dumps
dumps(sp.Symbol("x")(5))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/pickle.py", line 1374, in dumps
Pickler(file, protocol).dump(obj)
File "/usr/lib/python2.7/pickle.py", line 224, in dump
self.save(obj)
File "/usr/lib/python2.7/pickle.py", line 331, in save
self.save_reduce(obj=obj, *rv)
File "/usr/lib/python2.7/pickle.py", line 400, in save_reduce
save(func)
File "/usr/lib/python2.7/pickle.py", line 300, in save
self.save_global(obj)
File "/usr/lib/python2.7/pickle.py", line 748, in save_global
(obj, module, name))
pickle.PicklingError: Can't pickle x: it's not found as __main__.x
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