I'm running numpy 1.0 and 1.0.1 on several hosts and
today I've found that pickling arrays in 1.0.1 generates
problems to 1.0. An example:
--- numpy 1.0.1 ---
import numpy
import pickle
a = numpy.array([1,2,3])
f=open('test1.pickle','w')
pickle.dump(a,f)
f.close()
---
If I unpickle test1.pickle in numpy 1.0 I got:
--- numpy 1.0
>>> import numpy
>>> import pickle
>>> f=open('test1.pickle')
>>> a=pickle.load(f)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/hardmnt/virgo0/sra/olivetti/myapps/lib/python2.5/pickle.py", line
1370, in load
return Unpickler(file).load()
File "/hardmnt/virgo0/sra/olivetti/myapps/lib/python2.5/pickle.py", line
858, in load
dispatch[key](self)
File "/hardmnt/virgo0/sra/olivetti/myapps/lib/python2.5/pickle.py", line
1217, in load_build
setstate(state)
TypeError: argument 1 must be sequence of length 5, not 8
-----------------
How can I let access pickled arrays made in numpy 1.0.1 to numpy 1.0 ?
Help!
Thanks in advance,
Emanuele
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