Re: [Jython-users] Pickle Problems

[Chris M. <ch...@hd...>]

Thank you very much, that did the trick.

Chris

On Wed, Aug 29, 2001 at 01:23:56PM -0500, Robert W. Bill wrote:
> Hello Chris,
> 
> Probably not pickle, but PyFile.  Even without pickle, the following file
> is empty:
> 
> open('junk.txt', 'w').write('This is a test')
> 
> Currently, an explicit close() or flush() is required on the file. e.g.
> 
> f = open('junkpickle.txt', 'w')
> pickle.dump(range(10), f)
> f.close()  # or flush()
> 
> This makes the following usage a bad idea <g>
> 
> pickle.dump(range(10), open("pickle.txt", "w"))
> 
> Yes, this was not required in 2.0, but this is the scoop since 2.1a1.
> Unfortuately, a search on PyFile in the checkins list doesn't return
> any hits (crummy Geocrawler). However, The diff between the 2.0 and 2.1a1
> PyFile is sizable. I don't know if this change in autoflushing is
> intentional or not. It's worthy of a FAQ entry or a patch depending on the
> answer to that.
> 
> -rb
> 
> On Wed, 29 Aug 2001, Chris Meyers wrote:
> > Is there a problem with the pickle module in jython2.1a3 (or actually any of the 2.1 versions)? This program:
> >
> > f=open('junkpickle.txt','w')
> > j=[]
> > for i in range(10):
> >   j.append(i)
> > pickle.dump(j,f)
> >
> > makes the junkpickle.txt file, but nothing gets dumped to it. The same
> > code works fine with jython 2.0, but doesn't work with 2.1a1 or 2.1a3.
> >
> > Sorry if this is an old problem, but I did a search of the mailing list
> > archives and nothing showed up there, so I thought I'd ask.
> >
> > Thanks,
> > Chris
> >
> > _______________________________________________
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> > Jyt...@li...
> > http://lists.sourceforge.net/lists/listinfo/jython-users
> >
> 
> 
> 
> 
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Chris Meyers
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