def is_bueda_up():
'''
is_up = is_bueda_up()
Checks whether bueda is active.
'''
try:
result = bueda.enrich(['luispedrocoelho'])
return True
except:
return False
def demo(request):
flickr_conn = flickrapi.FlickrAPI(settings.FLICKR_API_KEY,
settings.FLICKR_API_SECRET)
username = request.GET.get('username', '')
# If username is specified in the request
if username:
try:
response = flickr_conn.people_findByUsername(
username=request.GET.get('username', ''))
# If username is not found on flickr
except flickrapi.exceptions.FlickrError:
return direct_to_template(
request,
'bueda_flickr_mashup/templates/bueda_flickr_mashup/demo.html',
{'error_message':'The given username does not exist. Please be sure to enter the username and not user alias'}
)
user_id = response.find('user').attrib['id']
response = flickr_conn.people_getPublicPhotos(user_id=user_id)
public_photos = response.find('photos').findall('photo')[0:5]
if not public_photos:
return direct_to_template(
request,
'bueda_flickr_mashup/templates/bueda_flickr_mashup/demo.html',
{'error_message':'The user does not have any public photos'}
)
enriched_photos = []
for photo in public_photos:
photo_id = photo.attrib['id']
short_url = "http://flic.kr/p/%s" % flickrapi.shorturl.encode(
photo_id)
response = flickr_conn.tags_getListPhoto(photo_id=photo_id)
xml_tags = response.find('photo').find('tags').findall('tag')
tags = []
for xml_tag in xml_tags:
tags.append(xml_tag.attrib['raw'])
enriched_tags = bueda.enrich(tags)
img_url = "http://farm%s.static.flickr.com/%s/%s_%s_m.jpg" % (
photo.attrib['farm'],
photo.attrib['server'],
photo_id,
photo.attrib['secret'])
output_tags = enriched_tags.canonical
output_tags.extend(map(lambda c: c.name, enriched_tags.categories))
for concept in enriched_tags.semantic:
output_tags.extend(concept.types)
output_tags = set(output_tags)
enriched_photos.append(dict(img_url=img_url, page_url=short_url,
original_tags=tags,
tags=output_tags))
if 'application/json' in request.META.get('HTTP_ACCEPT', ''):
return HttpResponse(simplejson.dumps(enriched_photos),
mimetype='application/json')
else:
return direct_to_template(request,
'bueda_flickr_mashup/templates/bueda_flickr_mashup/demo.html',
{'photos': enriched_photos})
else:
if 'application/json' in request.META.get('HTTP_ACCEPT', ''):
return HttpResponseBadRequest(mimetype='application/json')
else:
return direct_to_template(request,
'bueda_flickr_mashup/templates/bueda_flickr_mashup/demo.html',
{'error_message':'Please enter the username'})
