[Numpy-discussion] genloadtxt: dtype=None and unpack=True

Pierre GM pgmdevlist@gmail....
Wed Feb 11 22:47:17 CST 2009


On Feb 11, 2009, at 11:38 PM, Ryan May wrote:

> Pierre,
>
> I noticed that using dtype=None with a heterogeneous set of data,  
> trying to use unpack=True to get the columns into separate arrays  
> (instead of a structured array) doesn't work.  I've attached a patch  
> that, in the case of dtype=None, unpacks the fields in the final  
> array into a list of separate arrays.  Does this seem like a good  
> idea to you?

Nope, as it breaks consistency: depending on some input parameters,  
you either get an array or a list. I think it's better to leave it as  
it is, maybe adding an extra line in the doc precising that  
unpack=True doesn't do anything for structured arrays. 


More information about the Numpy-discussion mailing list