SimplePrograms challenge

Steve Howell showell30 at yahoo.com
Thu Jun 14 04:40:43 CEST 2007


--- Steven Bethard <steven.bethard at gmail.com> wrote:

> Rob Wolfe wrote:
> > Steve Howell wrote:
> > 
> >> I suggested earlier that maybe we post multiple
> >> solutions.  That makes me a little nervous, to
> the
> >> extent that it shows that the Python community
> has a
> >> hard time coming to consensus on tools sometimes.
> > 
> > We agree that BeautifulSoup is the best for
> parsing HTML. :)
> > 
> >> This is not a completely unfair knock on Python,
> >> although I think the reason multiple solutions
> tend to
> >> emerge for this type of thing is precisely due to
> the
> >> simplicity and power of the language itself.
> >>
> >> So I don't know.  What about trying to agree on
> an XML
> >> parsing example instead?
> >>
> >> Thoughts?
> > 
> > I vote for example with ElementTree (without
> xpath)
> > with a mention of using ElementSoup for invalid
> HTML.
> 
> Sounds good to me.  Maybe something like::
> 
> import xml.etree.ElementTree as etree
> dinner_recipe = '''
> <ingredients>
>
<ing><amt><qty>24</qty><unit>slices</unit></amt><item>baguette</item></ing>
>
<ing><amt><qty>2+</qty><unit>tbsp</unit></amt><item>olive_oil</item></ing>
>
<ing><amt><qty>1</qty><unit>cup</unit></amt><item>tomatoes</item></ing>
>
<ing><amt><qty>1-2</qty><unit>tbsp</unit></amt><item>garlic</item></ing>
>
<ing><amt><qty>1/2</qty><unit>cup</unit></amt><item>Parmesan</item></ing>
>
<ing><amt><qty>1</qty><unit>jar</unit></amt><item>pesto</item></ing>
> </ingredients>'''
> pantry = set(['olive oil', 'pesto'])
> tree = etree.fromstring(dinner_recipe)
> for item_elem in tree.getiterator('item'):
>      if item_elem.text not in pantry:
>          print item_elem.text
> 
> Though I wouldn't know where to put the ElementSoup
> link in this one...
> 

Whatever makes the most sense, please post it.  Sorry
for not responding earlier.




       
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