def save_read_article_feedback(self, article, score):
"""
Saves a feedback by user: read article.
NOTE: a feedback for one article might be added twice.
"""
r = ReadArticleFeedback(user_id=self.mongodb_user.id, article=article, score=score)
r.save()
def ajax_add_user():
"""
Called remotely to add a new user.
"""
if not current_user.is_authenticated():
abort(403)
name = request.form['name']
email = request.form['email'].lower()
new_password = request.form['new_password']
new_password_repeat = request.form['new_password_repeat']
if current_user.mongodb_user.email != "*****@*****.**":
abort(403)
#check passwords
if new_password != new_password_repeat:
abort(400)
if new_password == "":
abort(400)
#hash password
m = hashlib.sha256()
m.update(new_password.encode("UTF-8"))
m.update(SALT.encode("UTF-8"))
#check if user with email address already exists
users_with_same_email = User.objects(email=email)
if len(users_with_same_email) > 0:
abort(400)
try:
app.logger.debug("Adding new user %s" % name)
#just pick the first article as feedback
first_article = Article.objects().first()
first_profile = UserModel(features=first_article.features)
new_user = User(name=name, password=m.hexdigest(), email=email, learned_profile=[first_profile])
new_user.save(safe=True)
first_feedback = ReadArticleFeedback(user_id=new_user.id, article=first_article, score=1.0)
first_feedback.save()
app.logger.debug("...done.")
except Exception as inst:
app.logger.error("Could not add new user: %s: %s" % (type(inst), type))
abort(500)
return ""
def get_articles(self, date):
"""
Returns list of articles between date 0:00 and date 24:00
"""
#use select_related = 2 to fetch all vendor data
articles_ = Article.objects(vendor__in=current_user.mongodb_user.subscriptions,
date__gte=date.date(),
date__lt=date.date() + timedelta(days=1)).select_related(2)
#mark articles as read/unread and add id field
articles_as_dict = []
for a in articles_:
#check in database if article has Read Feedback
feedback = ReadArticleFeedback.objects(user_id=self.mongodb_user.id, article=a).first()
tmp_article = a._data
if feedback is None:
tmp_article['read'] = False
else:
tmp_article['read'] = True
tmp_article['id'] = a.id
articles_as_dict.append(tmp_article)
return articles_as_dict
def test_constructor_with_file_wikicorpus(self):
#load tf-idf model
tfidf_model = tfidfmodel.TfidfModel.load("/vagrant/data/test_tfidf.model")
extractor = TfidfFeatureExtractor("/vagrant/data/test")
#load tf-idf corpus
tfidf_corpus = MmCorpus('/vagrant/data/test_tfidf_corpus.mm')
#load lda corpus
#lda_corpus = MmCorpus('/media/sdc1/test_dump/result/test_lda_corpus.mm')
#load dictionary
id2token = Dictionary.load("/vagrant/data/test_wordids.dict")
#load article titles
document_titles = DocumentTitles.load("/vagrant/test_articles.txt")
#Connect to mongo database
connect(self.config_['database']['db-name'],
username=self.config_['database']['user'],
password=self.config_['database']['passwd'],
port=self.config_['database']['port'])
#Load articles as test corpus
user = User.objects(email=u"*****@*****.**").first()
ranked_article_ids = (a.article.id
for a
in RankedArticle.objects(user_id=user.id).only("article"))
all_article_ids = set(a.id
for a
in Article.objects(id__in=ranked_article_ids).only("id"))
read_article_ids = set(a.article.id
for a
in ReadArticleFeedback.objects(user_id=user.id).only("article"))
unread_article_ids = all_article_ids - read_article_ids
#sample test articles
X, y = get_samples(extractor, read_article_ids, unread_article_ids)
s,f = X.shape
logger.debug("Training with %d samples, %d features, %d marks" % (s, f, len(y)))
#train esa model
esa_model = CosineEsaModel(tfidf_corpus,
document_titles=document_titles,
test_corpus=X,
test_corpus_targets=y,
num_test_corpus=len(y),
num_best_features=15,
num_features=len(id2token))
for line in esa_model:
print repr(line)
esa_model.save('/vagrant/data/test_cesa.model')
tmp_esa = CosineEsaModel.load('/vagrant/data/test_cesa.model')
print tmp_esa
