BeautifulSoup fetch help

[ted]

Thanks Mike, works like a charm.

-Ted


"Mike Meyer" <mwm at mired.org> wrote in message 
news:864q4g8vph.fsf at bhuda.mired.org...
> "ted" <tedPLEASE-NO-SPAM-95050 at sbcglobal.net> writes:
>
>> I'm using the BeautifulSoup module and having some trouble processing a
>> file. It's not printing what I'm expecting. In the code below, I'm 
>> expecting
>> cells with only "bgcolor" attributes to be printed, but I'm getting cells
>> with other attributes and some without any attributes.
>
> BeatifulSoups matching is for any tag with a matching attribute, not
> tags that only match that attribute. That's why you're getting tags
> with other attributes.
>
> However, you can use a callable as the tag argument to check for what
> you want:
>
> def findtagswithly(name, attr):
>    return (lambda tag: tag.name == name and
>                        len(tag.attrs) == 1 and
>                        tag.attrs[0][0] == attr)
>
> ...
>
>    cells = table.fetch(findtagswithonly('a', 'bgcolor'))
>
>
> Or, because I wrote it to check out:
>
> def findtagswithoneattrib(name):
>    return lambda tag: tag.name == name and len(tag.attrs) == 1
>
> ...
>   cells = table.fetch(findtagswithoneattrib('a', {bgcolor: 
> re.compile('.+)}))
>
> I'm not sure why you're getting tags without attributes. If the above
> code does that, post some sample data along with the code.
>
>     <mike
> -- 
> Mike Meyer <mwm at mired.org> http://www.mired.org/home/mwm/
> Independent WWW/Perforce/FreeBSD/Unix consultant, email for more 
> information.