pickle broken: can't handle NaN or Infinity under win32

Terry Reedy tjreedy at udel.edu
Wed Jun 22 15:01:51 EDT 2005


"Grant Edwards" <grante at visi.com> wrote in message 
news:11bja5bienakv68 at corp.supernews.com...
> I'm working on it.  I should have said it's trivial if you have
> access to the platforms to be supported.  I've tested a fix
> that supports pickle streams generated under Win32 and glibc.
> That's using the "native" string representation of a NaN or
> Inf.
>
> A perhaps simpler approach would be to define a string
> representation for Python to use for NaN and Inf.  Just because
> something isn't defined by the C standard doesn't mean it can't
> be defined by Python.

I believe that changes have been made to marshal/unmarshal in 2.5 CVS with 
respect to NAN/INF to eliminate annoying/surprising behavior differences 
between corresponding .py and .pyc files.  Perhaps these revisions would be 
relevant to pickle changes.

TJR






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