[BioPython] target sequence length in blast parsing

[Michiel de Hoon]

Ann Loraine wrote:
> The target/subject length is harder to find. Would the XML parser be
> able to retrieve this information? I'm not sure which of the various
> blast parse output objects contain a slot for this data. Ideally,
> there could be a variable under the alignment object called
> subject_length or something similar which would capture this
> information.
> 
If you can find the information you're looking for in the XML file, but 
not in the output of the XML parser, let us know -- it should be easy to 
add any missing information to the XML parser.

--Michiel.