[Numpy-discussion] 1.1.1rc1 to be tagged tonight

Ryan May rmay31@gmail....
Mon Jul 21 20:12:00 CDT 2008


Thanks.  I wouldn't have ordinarily pushed so much, but I wanted to hit 
the bugfix release.

Ryan

David Huard wrote:
> Ryan, I committed your patch to the trunk and added a test for it from 
> your failing example.
> 
> Jarrod, though I'm also wary to touch the branch so late, the patch is 
> minor and I don't see how it could break something that was not already 
> broken.
> 
> David
> 
> 2008/7/20 Ryan May <rmay31@gmail.com <mailto:rmay31@gmail.com>>:
> 
>     Jarrod Millman wrote:
> 
>         Hello,
> 
>         This is a reminder that 1.1.1rc1 will be tagged tonight.  Chuck is
>         planning to spend some time today fixing a few final bugs on the
>         1.1.x
>         branch.  If anyone else is planning to commit anything to the 1.1.x
>         branch today, please let me know immediately.  Obviously now is not
>         the time to commit anything to the branch that could break anything,
>         so please be extremely careful if you have to touch the branch.
> 
>         Once the release is tagged, Chris and David will create binary
>         installers for both Windows and Mac.  Hopefully, this will give
>         us an
>         opportunity to have much more widespread testing before releasing
>         1.1.1 final at the end of the month.
> 
>     Can I get anyone to look at this patch for loadtext()?
> 
>     I was trying to use loadtxt() today to read in some text data, and I had
>     a problem when I specified a dtype that only contained as many elements
>     as in columns in usecols.  The example below shows the problem:
> 
>     import numpy as np
>     import StringIO
>     data = '''STID RELH TAIR
>     JOE 70.1 25.3
>     BOB 60.5 27.9
>     '''
>     f = StringIO.StringIO(data)
>     names = ['stid', 'temp']
>     dtypes = ['S4', 'f8']
>     arr = np.loadtxt(f, usecols=(0,2),dtype=zip(names,dtypes), skiprows=1)
> 
>     With current 1.1 (and SVN head), this yields:
> 
>     IndexError                                Traceback (most recent
>     call last)
> 
>     /home/rmay/<ipython console> in <module>()
> 
>     /usr/lib64/python2.5/site-packages/numpy/lib/io.pyc in loadtxt(fname,
>     dtype, comments, delimiter, converters, skiprows, usecols, unpack)
>        309                             for j in xrange(len(vals))]
>        310         if usecols is not None:
>     --> 311             row = [converterseq[j](vals[j]) for j in usecols]
>        312         else:
>        313             row = [converterseq[j](val) for j,val in
>     enumerate(vals)]
> 
>     IndexError: list index out of range
>     -----------------------------------------
> 
>     I've added a patch that checks for usecols, and if present, correctly
>     creates the converters dictionary to map each specified column with
>     converter for the corresponding field in the dtype. With the attached
>     patch, this works fine:
> 
>      >arr
>     array([('JOE', 25.300000000000001), ('BOB', 27.899999999999999)],
>          dtype=[('stid', '|S4'), ('temp', '<f8')])
> 
> 
>     Thanks,
>     Ryan
> 
>     -- 
>     Ryan May
>     Graduate Research Assistant
>     School of Meteorology
>     University of Oklahoma
> 
>     -- 
>     Ryan May
>     Graduate Research Assistant
>     School of Meteorology
>     University of Oklahoma
> 
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> 
> 
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-- 
Ryan May
Graduate Research Assistant
School of Meteorology
University of Oklahoma


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