def __init__(self):
self.recommender = Recommender()
self.sofas = defaultdict(lambda: None)
self.first_recommandation = defaultdict(lambda: None)
self.final_recommandation = defaultdict(lambda: None)
self.ctrl_thread = False
def __init__(self):
self.recommender = Recommender()
self.sofas = defaultdict(lambda: None)
self.first_recommandation = defaultdict(lambda: None)
self.final_recommandation = defaultdict(lambda: None)
self.ctrl_thread = False
class SofaManager():
"""Class to manage the existing Sofas."""
genres = Genre.__genres__
class Duplicate(Exception):
"""To be raised when a Sofa already exists."""
pass
def __init__(self):
self.recommender = Recommender()
self.sofas = defaultdict(lambda: None)
self.first_recommandation = defaultdict(lambda: None)
self.final_recommandation = defaultdict(lambda: None)
self.ctrl_thread = False
def __enter__(self):
self.start_ctrl_thread()
def __exit__(self, type, value, tb):
self.stop_ctrl_thread()
def start_ctrl_thread(self, step=300, max_age=600):
self.ctrl_thread = True
def ctrl_thread():
if self.ctrl_thread:
for sname, sofa in list(self.sofas.items()):
if sofa:
age = dt.datetime.now() - sofa.last_update
if age.seconds > max_age:
self.delete_sofa(sname)
else:
self.delete_sofa(sname)
timer = threading.Timer(step, ctrl_thread)
timer.start()
ctrl_thread()
def stop_ctrl_thread(self):
self.ctrl_thread = False
def new_sofa(self, sname):
if self.sofas[sname]:
raise self.Duplicate('The sofa %s already exists' % sname)
else:
self.sofas[sname] = Sofa(sname)
def add_preferences(self, uname, pwd, sname, pref_list):
for c, p in zip(self.genres, pref_list):
self.sofas[sname].preferences[c].append(int(p))
s = self.sofas[sname].people
s.add((uname, pwd))
self.sofas[sname].people = s
def get_nb_people(self, sname):
return self.sofas[sname].nb_people
def recommend(self, sname):
sofa = self.sofas[sname]
ratings = zip(*[sofa.preferences[c] for c in self.genres])
films = [AppFilm(f[0], f[1], f[2])
for f in self.recommender.recommend(ratings, sofa.people)]
return films
def send_first_recommandation(self, sname):
self.first_recommandation[sname] = films = self.recommend(sname)
for client in self.sofas[sname].waiting_clients:
posters = ';'.join([f.poster for f in films])
ids = ';'.join([str(f.id) for f in films])
client.write('::'.join([posters, ids]))
self.sofas[sname].waiting_clients = []
def add_films_rating(self, sname, rating_list):
for f, r in zip(self.first_recommandation[sname], rating_list):
f.add_rating(r)
self.sofas[sname].last_update = dt.datetime.now()
def get_final_recommandation(self, sname, client):
nb_people = self.sofas[sname].nb_people
self.sofas[sname].waiting_clients.append(client)
if self.first_recommandation[sname][0].nb_rating >= nb_people:
result = self.first_recommandation[sname][0]
for f in self.first_recommandation[sname][1:]:
if f.rating > result.rating:
result = f
self.final_recommandation[sname] = result
for client in self.sofas[sname].waiting_clients:
client.write(str(result.id) + ';' + result.poster)
self.sofas[sname].waiting_clients = []
def delete_sofa(self, sname):
try: self.sofas.pop(sname)
except KeyError: pass
try: self.first_recommandation.pop(sname)
except KeyError: pass
try: self.final_recommandation.pop(sname)
except KeyError: pass
class SofaManager():
"""Class to manage the existing Sofas."""
genres = Genre.__genres__
class Duplicate(Exception):
"""To be raised when a Sofa already exists."""
pass
def __init__(self):
self.recommender = Recommender()
self.sofas = defaultdict(lambda: None)
self.first_recommandation = defaultdict(lambda: None)
self.final_recommandation = defaultdict(lambda: None)
self.ctrl_thread = False
def __enter__(self):
self.start_ctrl_thread()
def __exit__(self, type, value, tb):
self.stop_ctrl_thread()
def start_ctrl_thread(self, step=300, max_age=600):
self.ctrl_thread = True
def ctrl_thread():
if self.ctrl_thread:
for sname, sofa in list(self.sofas.items()):
if sofa:
age = dt.datetime.now() - sofa.last_update
if age.seconds > max_age:
self.delete_sofa(sname)
else:
self.delete_sofa(sname)
timer = threading.Timer(step, ctrl_thread)
timer.start()
ctrl_thread()
def stop_ctrl_thread(self):
self.ctrl_thread = False
def new_sofa(self, sname):
if self.sofas[sname]:
raise self.Duplicate('The sofa %s already exists' % sname)
else:
self.sofas[sname] = Sofa(sname)
def add_preferences(self, uname, pwd, sname, pref_list):
for c, p in zip(self.genres, pref_list):
self.sofas[sname].preferences[c].append(int(p))
s = self.sofas[sname].people
s.add((uname, pwd))
self.sofas[sname].people = s
def get_nb_people(self, sname):
return self.sofas[sname].nb_people
def recommend(self, sname):
sofa = self.sofas[sname]
ratings = zip(*[sofa.preferences[c] for c in self.genres])
films = [
AppFilm(f[0], f[1], f[2])
for f in self.recommender.recommend(ratings, sofa.people)
]
return films
def send_first_recommandation(self, sname):
self.first_recommandation[sname] = films = self.recommend(sname)
for client in self.sofas[sname].waiting_clients:
posters = ';'.join([f.poster for f in films])
ids = ';'.join([str(f.id) for f in films])
client.write('::'.join([posters, ids]))
self.sofas[sname].waiting_clients = []
def add_films_rating(self, sname, rating_list):
for f, r in zip(self.first_recommandation[sname], rating_list):
f.add_rating(r)
self.sofas[sname].last_update = dt.datetime.now()
def get_final_recommandation(self, sname, client):
nb_people = self.sofas[sname].nb_people
self.sofas[sname].waiting_clients.append(client)
if self.first_recommandation[sname][0].nb_rating >= nb_people:
result = self.first_recommandation[sname][0]
for f in self.first_recommandation[sname][1:]:
if f.rating > result.rating:
result = f
self.final_recommandation[sname] = result
for client in self.sofas[sname].waiting_clients:
client.write(str(result.id) + ';' + result.poster)
self.sofas[sname].waiting_clients = []
def delete_sofa(self, sname):
try:
self.sofas.pop(sname)
except KeyError:
pass
try:
self.first_recommandation.pop(sname)
except KeyError:
pass
try:
self.final_recommandation.pop(sname)
except KeyError:
pass
