Re: [Pytables-users] pytables segfaults on my data

2006-04-25 Thread Russel
Interestingly, the program does not crash when run under valgrind. It does produce this error: ==13337== Invalid write of size 1 ==13337==at 0x1B90583D: memcpy (in /usr/lib/valgrind/ vgpreload_memcheck.so) ==13337==by 0x1BFD1204: H5V_memcpyvv (H5V.c:1316) ==13337== Address 0x1D3CCEDF

[Pytables-users] pytables segfaults on my data

2006-04-25 Thread Andrew Straw
The following code fails on data files I created yesterday using pytables (IIRC a daily snapshot just prior to the 1.3 release -- it's called "1.3beta2"). The h5* tools seem to work (e.g. h5ls, h5dump and so on). The segfault occurs with pytables 1.2.3, 1.3, and today's svn current as of now.

[Pytables-users] bug report: delattr( root, group ) doesn't work

2006-04-25 Thread Andrew Straw
Hi, the following program fails: import tables class Info2D(tables.IsDescription): colA = tables.Int32Col(pos=0) colB = tables.Int32Col(pos=1) h5file = tables.openFile('test.h5',mode='w') group = h5file.createGroup( h5file.root, 'group' ) print getattr( h5file.root, 'group' ) delattr( h5

Re: [Pytables-users] Problems saving empty strings in a StringCol of width 1

2006-04-25 Thread Francesc Altet
A Dilluns 24 Abril 2006 20:01, Stephen Simmons va escriure: > Hi, > > I have a problem with using PyTables 1.3 to store strings in a StringCol > column of length 1. > Whenever the string is "", table.append(rows) gives a ValueError exception. > These exceptions only appear for StringCols of length