Re: int32 attribute read as int64 by PyNIO

Hi Sourish,
This does seem strange. Is it the same version of PyNIO in both cases? I would like to get the file, although I'm not sure we will be able to find a comparable system to Linux on ppc64 where you are having the error. I'm not sure if you know our standard procedure for uploading files, so here it is:
ftp ftp.cgd.ucar.edu
login as anonymous
password : your email address
cd incoming
put the file
Offline send me email with the file name, although if it's the same as your sample code below I guess I can figure that out. The issue is that for security purposes it is not possible to get a directory listing of the 'incoming' directory.
 -dave

On Nov 18, 2010, at 5:26 AM, Sourish Basu wrote:

> Hi all,
>
> I have an HDF file with a bunch of attributes, which are all integers. On my work machine (SuSE linux on ppc64), PyNIO tries reading them as int64, returning wrong values. On my home machine (Ubuntu linux x86_64 on an intel iMac), the attributes are read as int32, and hence the values are correct. Does anyone know why in the former case PyNIO thinks that the attributes are 64-bit integers, or how I could fix it?
>
> ==== Work machine ====
> [5] fid = Nio.open_file('mmix_1991080100_1991090100_glb600x400.hdf','r')
> In [6]: fid.ndiff
> Out[6]: array([371085174670462736])
> In [7]: fid.ndiff.dtype
> Out[7]: dtype('int64')
>
> ==== Home machine ====
> [6] fid = Nio.open_file('mmix_1991080100_1991090100_glb600x400.hdf','r')
> [7]: fid.ndiff
> [7]: array([86400000], dtype=int32)
>
> I can provide the file if someone wants to investigate further.
>
> Thanks,
>
> -Sourish
>
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Received on Thu Nov 18 12:31:37 2010