dump a multi dimensional dictionary
John Gordon
gordon at panix.com
Fri Jul 26 17:00:24 EDT 2013
In <efdc6f6b-c061-4d3d-9d02-c397f8953d93 at googlegroups.com> cerr <ron.eggler at gmail.com> writes:
> Can I somehow use pickle.dump() to store a dictionary of lists to a file?
> I tried this:
> >>> import pickle
> >>> mylist = []
> >>> mydict = {}
> >>> mylist = '1','2'
> >>> mydict['3'] = mylist
> >>> fhg = open ("test", 'w')
> >>> pickle.dump(fhg,mydict)
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "/usr/lib/python2.7/pickle.py", line 1370, in dump
> Pickler(file, protocol).dump(obj)
> File "/usr/lib/python2.7/pickle.py", line 203, in __init__
> self.write = file.write
> AttributeError: 'dict' object has no attribute 'write'
> >>> print mydict
> {'3': ('1', '2')}
> or should I just write my own dump function that can hanle thiS?
I think you have the arguments to pickle.dump() in the wrong order.
The data to be dumped should come first, then the file object.
--
John Gordon A is for Amy, who fell down the stairs
gordon at panix.com B is for Basil, assaulted by bears
-- Edward Gorey, "The Gashlycrumb Tinies"
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