def remover(self):
self.listar()
indice = input("Digite o ID que deseja remover: ")
result = session.query(ServidorModel).filter(
ServidorModel.id == indice).first()
session.delete(result)
session.commit()
def remover_usuario():
listar_usuario()
indice = input("Digite o ID que deseja remover: ")
result = session.query(UsuarioModel).filter(
UsuarioModel.id == indice).first()
session.delete(result)
session.commit()
def del_client():
log.info('Controle del_clients starts')
if request.method == 'POST':
# si la méthode du formaulaire est post on interroge la table Client avec comme contrainte le prénom et le nom de l'utilisateur
client_account = db.query(Client).filter_by(
firstname=request.form['firstname']).filter_by(
lastname=request.form['lastname']
) #.filter_by(email=request.form['email'])
#ensuite on récupère sous forme tuples la ligne du client
client = db.execute(client_account).fetchone()
#si le client n'existe pas on redirige l'utilisateur sur un page d'erreur
if client is None:
return render_template('redirectory_delete_client.html')
else:
#si il existe on récupère on id en interrogeant la table Client on récupère son id à l'indcice 0
client_id = db.query(Client).get(client[0])
#ensuite on interroge la table Bankaccount possédant tous les ocmptes bancaires du client à l'aide de l'id du client,
# ensuite on supprime le client de la table Bankaccount
db.query(BankAccount).filter_by(
client_id=client_id.client_id).delete()
# enusite on supprime l'id du client existant dans la table Client, il n'y a plus de trace de lui
db.delete(client_id)
db.commit()
return redirect(url_for('home_admin'))
else:
return render_template('delete_client.html')
def delete_tutorial(id):
if not g.user_id:
return redirect(url_for("index"))
tutorial = db_session.query(Tutorial).get(id)
db_session.delete(tutorial)
db_session.commit()
return redirect(url_for("list_tutorials"))
def update_watched_episodes():
user_id = int(request.form.get("user_id"))
episode_id = int(request.form.get("episode_id"))
status = request.form.get("status")
print "status", status
if status == "true":
watched_episode = model.WatchedEpisode(user_id=user_id, episode_id=episode_id)
DB.add(watched_episode)
else:
watched_episode = DB.query(model.WatchedEpisode).filter_by(user_id=user_id, episode_id=episode_id).one()
DB.delete(watched_episode)
DB.commit()
series = DB.query(Series).filter(Series.episodes.any(Episode.id == episode_id)).one()
eps_list = DB.query(Episode).filter_by(series_id=series.id).order_by(Episode.season_num).all()
season_dict = {}
watched_ep_ids =[]
watched_count = DB.query(model.WatchedEpisode).\
join(model.WatchedEpisode.episode).\
filter(model.Episode.series_id == series.id).\
filter(model.WatchedEpisode.user_id == user_id).count()
pct = round(100 * float(watched_count)/float(len(eps_list)), 1)
response = {
'success': True,
'completion_percentage': pct,
}
return jsonify(response)
def delete_item():
user = db_session.query(User).get(g.user_id)
item = db_session.query(Item).get(request.args.get("id"))
db_session.delete(item)
db_session.commit()
flash("item deleted", "info")
return redirect(url_for('manage_items'))
def deletePerson():
cno = int(request.form.get('cno'))
person = session.query(Person).filter(Person.cno == cno).first()
if person is not None:
session.delete(person)
session.commit()
ret = {'code': 0, 'msg': '删除成功'}
return jsonify(ret)
def perform(user_id):
# frab range of current queue ids for user
exist_q = db_session.query(Queue).filter_by(user_id=user_id).all()
exist = []
for s in exist_q:
exist.append(s.id)
print exist
stories = db_session.query(Stories).all()
queued = []
for item in stories:
# determine probability that the user will like this item
try:
doc = Classifier.gettext(item.url) # strong of article words
cl = FisherClassifier(Classifier.getwords, user_id) # returns instance
cl.setdb('news.db')
# classification = 'yes'
probability = cl.fisherprob(doc, 'yes')
if probability > 0:
# add item's probability to the queue dictionary
tup = (item.id, probability)
queued.append(tup)
except Exception:
pass
#sort queue by probability, lowest-->highest
queue = sorted(queued, key=lambda x:x[1])
print queue
# grab top and low rated stories, add to Queue
if len(queue)>=10:
for i in queue[-8:]:
story_id = i[0]
score = i[1]
# add story, user, and probability to db for pulling articles
story = Queue(story_id=story_id, score=score, user_id=user_id)
db_session.add(story)
for i in queue[:2]:
story_id = i[0]
score = i[1]
# add story, user, and probability to db for pulling articles
story = Queue(story_id=story_id, score=score, user_id=user_id)
db_session.add(story)
db_session.commit()
else:
for i in queue:
story_id = i[0]
score = i[1]
# add story, user, and probability to db for pulling articles
story = Queue(story_id=story_id, score=score, user_id=user_id)
db_session.add(story)
db_session.commit()
# clear old stories out of Queue now that new ones are in there
for i in exist:
d = db_session.query(Queue).filter_by(id=i).first()
db_session.delete(d)
db_session.commit()
def cmd_purge(iid):
"""Purge (deletes completely) the given instance.
"""
instance = get_instance(iid)
if instance.state != DESTROYED:
raise Exception("Can't purge an instance that is not destroyed")
instance.purge()
session.delete(instance)
session.commit()
def del_book(self):
a = self.liste.currentItem().text()
b = session.query(Livre).filter_by(titre = a).first()
session.delete(b)
session.commit()
item = self.liste.takeItem(self.liste.currentRow())
item = None
msgbox = QtGui.QMessageBox()
msgbox.information(self, "Suppression", (u"Le livre: \"%s\" a bien était supprimé !" % unicode(a)))
def remove_from_favorites():
user_id = int(request.form.get("user_id"))
series_id = int(request.form.get("series_id"))
fav = DB.query(model.Favorite).filter_by(series_id=series_id,
user_id=user_id).one()
DB.delete(fav)
DB.commit()
return "Deleted fav!"
def remover_usuario():
listar_usuario()
indice = input("Digite o id do usuario: ")
try:
usuario = session.query(UsuarioModel).filter_by(id=indice).first()
session.delete(usuario)
session.commit()
except Exception as e:
session.rollback()
print "Falhou ao remover usuario: ",e
def delete_sessions(session_uuid):
## load the session with given session id
session = model.session.loadSession(session_uuid)
if (session is None):
return (json.dumps({"error": "invalid session"}), 500)
## delete the session
session.delete()
## return status 204 "no content" instead of 200 "ok"
return ("", 204)
def cmd_clean():
"""Drop database and remove all instances (useful for debugging).
"""
for instance in all_instances():
if instance.state == RUNNING:
instance.stop()
instance.purge()
session.delete(instance)
session.commit()
#os.unlink(DB)
system("rm -rf %s/nginx" % HOME)
def remover_servidor():
listar_servidor()
servidor_id = input("Digite o id do servidor: ")
try:
servidor = session.query(ServidorModel) \
.filter_by(id=servidor_id).first()
session.delete(servidor)
session.commit()
print "Servidor removido com sucesso!"
except Exception as e:
session.rollback()
print "Falhou ao remover servidor: ",e
def remover_servidor():
listar_servidor()
servidor_id = input("Digite o id do servidor: ")
try:
servidor = session.query(ServidorModel) \
.filter_by(id=servidor_id).first()
session.delete(servidor)
session.commit()
print "Servidor removido com sucesso!"
except Exception as e:
session.rollback()
print "Falhou ao remover servidor: ", e
def delete_past_carpools():
# Removes passengers from TripPassenger table in DB
# Removes past carpools from the Trip table in DB
for record in db_session.query(model.Trip).all():
departure = record.departure_date + " " + record.departure_time
departureDT = parse(departure)
if departureDT < datetime.datetime.now():
passengers = db_session.query(model.TripPassenger).filter_by(trip_id=record.id)
for p in passengers:
db_session.delete(p)
db_session.delete(record)
db_session.commit()
return "Old carpools deleted."
def deleteCatalog(catalog_id):
"""
A route to delete a specific catalogs
"""
deleteCatalog = session.query(Catalog).filter_by(
id=catalog_id).one_or_none()
if deleteCatalog is None:
flash("The catalog you are looking for does not exist.")
return redirect(url_for('catalog.showAllCatalogs'))
if deleteCatalog.user_id != login_session['user_id']:
flash("You are not authorized to delete.")
return redirect(url_for('catalog.showAllCatalogs'))
if deleteCatalog != [] and request.method == 'POST':
session.delete(deleteCatalog)
session.commit()
flash(deleteCatalog.name + " is deleted!")
return redirect(url_for('catalog.showAllCatalogs'))
elif deleteCatalog != [] and request.method == 'GET':
return render_template('catalogs_delete.html', catalog=deleteCatalog)
def fetch_info(user_url):
uid = None
response = requests.request("GET", user_url, headers=headers)
soup = BeautifulSoup(response.text, features="lxml")
try:
info_str = soup.select(
"div[class='u'] table td span[class='ctt']")[0].get_text()
uid = avatar_re_pattern.findall(
soup.select("div[class='u'] table td a")[0]['href'])[0]
name, location = profile_re_pattern.findall(info_str)[0]
logging.info("uid: {}, name: {}, location: {}".format(
uid, name, location))
try:
user = User(uid, name, location)
queue_follow(uid)
# ele = FollowQueue(uid)
session.add(user)
# session.add(ele)
session.commit()
except IntegrityError:
session.rollback()
logging.info("repeat primary key")
except IndexError:
logging.error("Index out of range")
t = 0
with open('log/info_consumer/index_error_times.log', 'r') as f:
t = int(f.read()) + 1
if t > 4:
first_info_obj = session.query(InfoQueue).order_by(
InfoQueue.create_time).first()
session.delete(first_info_obj)
session.commit()
logging.info(
'remove first obj in info queue since there is some problems'
)
with open('log/info_consumer/index_error_times.log', 'w') as f:
f.write(str(t))
exit(-1)
return uid
def dequeue_info():
first_info_obj = session.query(InfoQueue).order_by(
InfoQueue.create_time).first()
if first_info_obj != None:
# uid = first_info_obj.uid
user_url = first_info_obj.url
logging.info("got first url in info queue {}".format(user_url))
uid = fetch_info(user_url)
logging.info("got info of {}".format(uid))
relations_in_buffer = session.query(InfoQueue).filter(InfoQueue.url==user_url)\
.all()
for relation in relations_in_buffer:
relation_obj = None
if relation.follow_or_fan == FOLLOWEE:
relation_obj = UserRelationship(uid, relation.source_uid)
logging.info("build relationship between {} and {}".format(
uid, relation.source_uid))
elif relation.follow_or_fan == FOLLOWER:
relation_obj = UserRelationship(relation.source_uid, uid)
logging.info("build relationship between {} and {}".format(
relation.source_uid, uid))
try:
session.add(relation_obj)
session.delete(relation)
logging.info("dequeue relationship between {} and {}".format(
relation.source_uid, uid))
session.commit()
except IntegrityError:
session.rollback()
logging.info("repeat primary key")
session.delete(relation)
logging.info(
"re-dequeue relationship between {} and {}".format(
relation.source_uid, uid))
session.commit()
with open('log/info_consumer/index_error_times.log', 'w') as f:
f.write('0')
def deleteItem(catalog_id, item_id):
"""
Delete an item
"""
catalog = session.query(Catalog).filter_by(id=catalog_id).one_or_none()
deleteItem = session.query(Item).filter_by(id=item_id).one_or_none()
if catalog is None or item is None:
flash("The catalog and/or you are looking for does not exist.")
return redirect(url_for('catalog.showAllCatalogs'))
if deleteItem.user_id != login_session['user_id']:
flash("You are not authorized to delete.")
return redirect(url_for('item.showAllItems', catalog_id=catalog.id))
if deleteItem != [] and request.method == 'POST':
session.delete(deleteItem)
session.commit()
flash(deleteItem.name + " is deleted!")
return redirect(url_for('item.showAllItems', catalog_id=catalog_id))
elif deleteItem != [] and request.method == 'GET':
return render_template(
'items_delete.html',
catalog=catalog,
item=deleteItem)
def remover_usuario():
listar_usuario()
indice = input("Digite o ID que deseja remover: ")
result = session.query(UsuarioModel).filter(UsuarioModel.id==indice).first()
session.delete(result)
session.commit()
def remover(self):
self.listar()
indice = input("Digite o ID que deseja remover: ")
result = session.query(ServidorModel).filter(ServidorModel.id==indice).first()
session.delete(result)
session.commit()
def perform(self, user_id):
# grab range of current queue ids for user
exist_q = db_session.query(Queue).filter_by(user_id=user_id).all()
exist = []
for s in exist_q:
exist.append(s.id)
# grab all RSS stories from Story table of db
stories = db_session.query(Stories).all()
# set up a queue for ranked stories
queue = []
for item in stories:
# determine probability that the user will like this item
try:
doc = Classifier.gettext(item.url) # strong of article words
except Exception:
pass
cl = FisherClassifier(Classifier.getwords, user_id) # returns FC instance
print cl
print cl. getfeatures
print cl.user_id
print cl.cprob
cl.setdb('news.db')
# find the probability that a user will like a given article
probability = cl.fisherprob(doc, 'yes')
if probability > 0:
# add item's probability to the queue dictionary
tup = (item.id, probability)
queue.append(tup)
# queue[item.id]=probability
# sort queue by probability, lowest --> highest
queue = sorted(queue, key=lambda x: x[1])
# grab top and lower rated stories, add to Queue
if len(queue)>=10:
for i in queue[:2]:
story_id = i[0]
score = i[1]
# add story, user, and probabiilty to the db for pulling articles for users
story = Queue(story_id=story_id, score=score, user_id=user_id)
db_session.add(story)
for i in queue[-8:]:
story_id = i[0]
score = i[1]
# add story, user, and probabiilty to the db for pulling articles for users
story = Queue(story_id=story_id, score=score, user_id=user_id)
db_session.add(story)
db_session.commit()
else:
for i in queue:
story_id = i[0]
score = i[1]
# add story, user, and probabiilty to the db for pulling articles for users
story = Queue(story_id=story_id, score=score, user_id=user_id)
db_session.add(story)
db_session.commit()
# clear old stories out of queue once new have been added
for i in exist:
d = db_session.query(Queue).filter_by(id=i).first()
db_session.delete(d)
db_session.commit()
# set mins and get values (default to 0)
def setminimum(self, cat, min):
self.minimums[cat] = min
def getminimum(self, cat):
if cat not in self.minimums:
return 0
return self.minimums[cat]
def cprob(self, f, cat):
# frequency of this feature in this category
clf = self.fprob(f, cat)
if clf == 0:
return 0
# frequency of this feature in all categories
freqsum = sum([self.fprob(f,c) for c in self.categories()])
# probability is the frequency in this category divided by overall frequency
p = clf / (freqsum)
return p # the probability that an item w/feature belongs in specified category, assuming equal items in each cat.
# estimate overall probability: mult all probs together, take log, mult by -2
def fisherprob(self, item, cat):
# multiply all probabilities together
features = self.getwords(item) # list of words
p = 1
for f in features: # iterate through list
p = p*(self.weightedprob(f, cat, self.cprob))
# account for articles that are wildly not aligned with user's interests, since log(0) will break the classifier...
if p == 0:
return 0
# take natural log and multiply by -2
fscore = (-2)*math.log(p)
# use inverse chi2 function to get a probability
return self.invchi2(fscore, len(features)*2)
# inverse chi-square function
# by feeding fisher calculation to this, we get the probability that
# a random set of probabilities would return a high number for
# an item belonging in the category (eq. from CI book, p. 130)
def invchi2(self, chi, df):
m = chi / 2.0
sum = term = math.exp(-m)
for i in range(1, df//2):
term *= m / i
sum += term
return min(sum, 1.0)
