I am working on integrating social search through the Datasift API into my
project.
The API gives a json object, and I have printed part of it out to the
screen, so I know that the link is working and I am receiving the right
stuff. I now want to save some of the fields from the json to a model.
models.py:
class SearchResult(models.Model):
sm_User = models.CharField(max_length = 100)
sm_Name = models.CharField(max_length = 100)
sm_created_at = models.CharField(max_length = 100)
sm_content = models.CharField(max_length = 160)
sm_Source = models.CharField(max_length = 100)
sm_Link = models.CharField(max_length = 150)
sm_type = models.CharField(max_length = 50)
def __unicode__(self):
return self.sm_content
views.py
def runsearch(request, dSearch_id):
search = dSearch.objects.get(pk = dSearch_id)
search_name = str(search.dName)
search_keywords = str(search.dKeywords)
template = loader.get_template('myapp/runsearch.html')
results = SearchResult.objects.all()
if len(results)==0:
getinteractions.GetPosts(search_keywords)
results = SearchResult.objects.all()
context = Context({
'search_name': search_name,
'search_keywords': search_keywords,
})
return HttpResponse(template.render(context))
in getinteractiions.py:
def GetPosts(keyword):
user = datasift.User('nigellegg', '1d940b94903285ff73ba0dbe1b13a8a3')
csdl = 'interaction.content contains "football" and language.tag ==
"en"'
definition = user.create_definition(csdl)
consumer = definition.get_consumer(EventHandler(), 'http')
consumer.consume()
consumer.run_forever()
class EventHandler(datasift.StreamConsumerEventHandler):
def __init__(self):
self.num = 10
def on_interaction(self, consumer, interaction, hash):
result = SearchResult()
result.sm_type = interaction['interaction']['type']
if interaction['interaction']['type']=='twitter':
result.sm_User =
interaction['interaction']['author']['username']
result.sm_Name = interaction['interaction']['author']['name']
result.sm_created_at = interaction['interaction']['created_at']
result.sm_content =
interaction['interaction']['content'].encode('ascii', 'replace')
result.sm_Source = interaction['interaction']['source']
result.sm_Link = interaction['interaction']['link']
result.save()
self.num -= 1
if self.num == 0:
#Stopping consumer...
consumer.stop()
The page shows ok in the browser, but there are no results. Looking at the
server log (development server) I get
result.sm_Link = interaction['interaction']['link']
KeyError: 'link'
Is this a reserved name problem, or have I made another error? I'm not sure
I can change the field name, as that is how it came to me from datasift.
Many thanks in advance.
Nigel Legg
http://www.trevanianlegg.co.uk
http://twitter.com/nigellegg
http://uk.linkedin.com/in/nigellegg
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