Using a webservice as the datasource

On 8/31/06, Iwan Memruk <iwan.memrukgmail.com> wrote:
> Hi,
>
> Has anyone got any experience of doing that with
Django? How
> would you estimate the effort necessary for adapting
Django to use
> webservices as the data source? What would be your
approach?

  I am using Django with the Yahoo API. There's even a
python module
to make web searches and other Yahoo stuff (*verrry* easy to
use).

  What I did is create a model replicating every field from
the
returned data, then my view requests something and I
obj.save() it,
making it available on the admin interface. Something like
(this is
for Yahoo news search):

from yahoo.search.news import NewsSearch
srch = NewsSearch('yahoo_app_id', query = 'something',
results = 50,
language = 'en')

for news in srch.parse_results():
    publish_date =
datetime.fromtimestamp(float(news.PublishDate))
    thumbnail = news.Thumbnail
    if thumbnail is not None:
    thumbnail = thumbnail['Url'].encode('utf-8')

    try:
        obj = News.objects.get(slug =
slugify(news.Title)[0:50].encode('utf-8'))
    except News.DoesNotExist:
        obj = News(slug =
slugify(news.Title)[0:50].encode('utf-8'))
        obj.title = news.Title[0:125].encode('utf-8')
        obj.summary = news.Summary.encode('utf-8')
        obj.click_url = news.ClickUrl.encode('utf-8')
        obj.news_source = news.NewsSource.encode('utf-8')
        obj.news_source_url =
news.NewsSourceUrl.encode('utf-8')
        obj.language = news.Language.encode('utf-8')
        obj.publish_date = publish_date.__str__()
        obj.thumbnail = thumbnail
        obj.save()

  Then I grab some news from the DB:

news_list = News.objects.all().order_by('?')[0:3]

  The encode('utf-8') was necessary because Mysql was
complaining
about the data, don't know if it'll happen with your
DB/server
configuration.

-- 
Julio Nobrega - http://www.inercia
sensorial.com.br

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