[MERGE] Fix bug #314525: don't try to put ids if there is no annotation.

[Vincent Ladeuil]

>>>>> "jam" == John Arbash Meinel <john at arbash-meinel.com> writes:

    jam> Vincent Ladeuil wrote:
    >> We can't add ids if there is no lines to annotate.
    >> 
    >> Anne provided the fix on launchpad, I just lightly adapt it and
    >> post it here so that it get tracked properly.
    >> 
    >> Vincent
    >> 
    >> 

    jam> Personally, I would have done:

    jam>   if not annotations:
    jam>     return

Right, Anne did it that way, I thought it was less hackish that
way, two against one, you win :)

    jam> And then you can leave the rest of the code unchanged.

    jam> I would be a little concerned that 'annotations' may
    jam> want to be an iterator at some point, so it might
    jam> actually be better to do:

I'd love that, but in that case there will me more than just that
to change, so I leave it as above.

    jam> try:
    jam>   max_origin_len = max(len(origin) for origin, text in annotations)
    jam> except ValueError:
    jam>   # No lines, nothing to annotate
    jam>   return

    jam> Regardless, your fix is fine, just thinking out loud
    jam> about alternatives.

Sure, that's for reviews are for and that's welcome.

    jam> BB:approve

Thanks for Anne, sent to pqm.

       Vincent