def seen_by_friends(request):
userUri = URIRef( request.user.get_profile().uri )
seen_by_me = graph.query("""SELECT ?m WHERE {
?me smdb:hasSeen ?m .
}""", initBindings={'me': userUri})
res = graph.query("""SELECT ?m ?t ?f WHERE {
?m rdf:type smdb:Movie .
?m smdb:title ?t .
?f smdb:hasSeen ?m .
?f smdb:isFriendsWith ?me .
}""", initBindings={'me': userUri})
#pprint(res)
res = [ (m, t, f) for (m, t, f) in res if m not in seen_by_me]
sorted_res = sort_by_count(res, [0,1], 2)
sorted_res = sorted_res[:5]
sorted_res = [ el[0] + (el[1],) for el in sorted_res ] # Flatten the results so that it's (uri, title, friend, score)
#pprint(sorted_res)
return sorted_res
def recommended_users(request):
userUri = URIRef(request.user.get_profile().uri)
friends = graph.query("""SELECT ?u WHERE {
?u smdb:isFriendsWith ?me .
}""", initBindings={'me': userUri})
res = graph.query("""SELECT ?u ?f WHERE {
?u rdf:type smdb:SMDBUser .
?u smdb:hasSeen ?m .
?me smdb:hasSeen ?m .
OPTIONAL{ ?me smdb:isFriendsWith ?f . ?u smdb:isFriendsWith ?f } .
FILTER( ?u != ?me) .
}""", initBindings={'me': userUri})
res = [ (SMDBUser(u), f) for (u, f) in res if u and u not in friends]
sorted_res = sort_by_count(res, [0], 1)
sorted_res = sorted_res[:4]
sorted_res = [ el[0] + (el[1],) for el in sorted_res ] # Flatten the results so that it's (uri, title, friend, score)
#for r in sorted_res: print r
return sorted_res
def movie_suggestions(uri):
related = dict()
titles = dict()
query = """SELECT DISTINCT ?m ?t ?g WHERE{
<%s> smdb:isOfGenre ?g .
?m smdb:isOfGenre ?g .
?m smdb:title ?t .
FILTER( ?m != <%s> ).
}
""" % (uri,uri)
sameGenre = graph.query(query)
for movie in sameGenre:
if movie[0] in related.keys():
related[movie[0]] += 1
else:
related[movie[0]] = 1
titles[movie[0]] = movie[1]
query = """SELECT DISTINCT ?m ?p ?t WHERE{
?p ?r1 <%s> .
?p ?r ?m .
?m smdb:title ?t .
?r rdfs:subPropertyOf smdb:participatedInMovie .
?r1 rdfs:subPropertyOf smdb:participatedInMovie .
FILTER( ?m != <%s> ) .
}
""" % (uri, uri)
samePeople = graph.query(query)
for movie in samePeople:
if movie[0] in related.keys():
related[movie[0]] += 1
else:
related[movie[0]] = 1
titles[movie[0]] = movie[2]
results = [ [uri, titles[uri], related[uri]] for uri in related.keys() ]
sortedResults = sorted(results, key = lambda pair : pair[2], reverse = True )
#for result in sortedResults:
# print result
return sortedResults[:5]
def browse_users(filters, user):
userUri = URIRef(user.get_profile().uri) if user.is_authenticated() else ''
initBindings = {}
filterToQuery = { 'similar': '<%s> smdb:hasSeen ?m1 .\n ?u smdb:hasSeen ?m1 .\n' % userUri,
'foaf': '<%s> smdb:isFriendsWith ?u1 .\n ?u smdb:isFriendsWith ?u1 .\n' % userUri,
'reviewer': '?r1 smdb:writtenByUser ?u .\n',
}
f = SMDBUser.getFilterList(user.is_authenticated(), filters)
query = """SELECT DISTINCT ?u ?m1 ?u1 WHERE {
?u rdf:type smdb:SMDBUser .
?u smdb:username ?un .
"""
for o in filters:
if o in filterToQuery: query += filterToQuery[o]
if 'similar' in filters or 'foaf' in filters: query += """FILTER(?u != <%s>) .\n""" % userUri
res = graph.query(query + "OPTIONAL { ?u smdb:fullName ?fn . }}", initBindings=initBindings)
res = merge_results(res, filters)
return [f, res]
def get_actor_character(self):
for uriActor, uriCharacter in graph.query("""SELECT ?a ?c WHERE {
?a smdb:performedIn ?u.
?c smdb:inMovie ?u .
?c smdb:portrayedBy ?a .
}""", initBindings={'u': self.uri}):
yield Person(uriActor), Character(uriCharacter)
def browse_movies(year, director, genre, location, rating):
initBindings = {}
f = Movie.getFilterList(year, director, genre, location, rating)
query = """SELECT ?a ?b ?y WHERE {
?a rdf:type smdb:Movie .
?a smdb:title ?b .
?a smdb:releaseDate ?y .
"""
# Query additions
if director: query += '?d smdb:directed ?a .\n'
if genre: query += '?a smdb:isOfGenre ?g .\n'
if location: query += '?a smdb:shotIn ?l .\n'
if rating: query += '?a smdb:hasRating ?r .\n'
# Filters
if year: query += """FILTER(?y = "%s") .\n""" % Literal(year)
if director: query += """FILTER(?d = <%s>) .\n""" % URIRef(director)
if genre: query += """FILTER(?g = <%s>) .\n""" % graph.ontologies['smdb'][genre]
if location: query += """FILTER(?l = "%s") .\n""" % Literal(location)
if rating: query += """FILTER(?r = <%s>) .\n""" % URIRef(rating)
res = graph.query(query + "} ORDER BY ?y", initBindings=initBindings)
return [f, res]
def get_movie_actors(self):
for uriMovie, uriActor, year in graph.query("""SELECT ?m ?a ?y WHERE {
?a smdb:performedIn ?m.
?c smdb:inMovie ?m .
?m smdb:releaseDate ?y .
?c smdb:portrayedBy ?a .
} ORDER BY ?y""", initBindings={'c': self.uri}):
yield Movie(uriMovie), Person(uriActor)
def get_movie_characters(self):
for uriMovie, uriCharacter, year in graph.query("""SELECT ?m ?c ?y WHERE {
?a smdb:performedIn ?m.
?c smdb:inMovie ?m .
?m smdb:releaseDate ?y .
?c smdb:portrayedBy ?a .
} ORDER BY ?y""", initBindings={'a': self.uri}):
yield Movie(uriMovie), Character(uriCharacter)
def getFilterList(model, year=None, director=None, genre=None, location=None, rating=None):
# Define the filtering rules so that we can filter the options themselves
f_rules = [
"?m smdb:releaseDate \"%s\" . " % Literal(year) if year else "",
"<%s> smdb:directed ?m . " % URIRef(director) if director else "",
"?m smdb:isOfGenre smdb:%s . " % URIRef(genre) if genre else "",
"?m smdb:shotIn \"%s\" . " % Literal(location) if location else "",
"?m smdb:hasRating <%s> . " % URIRef(rating) if rating else "",
]
# Years
years = graph.query("SELECT DISTINCT ?y WHERE { ?m smdb:releaseDate ?y . %s} ORDER BY ?y" \
% ( ''.join(f_rules) ), initBindings={'y':Literal(year)} if year else {})
# Directors
directors = graph.query("SELECT DISTINCT ?n ?d WHERE { ?d smdb:name ?n . ?d smdb:directed ?m . %s}" \
% ( ''.join(f_rules) ), initBindings={'d':URIRef(director)} if director else {})
# Genre
genres = graph.query("""SELECT DISTINCT ?g WHERE {
?u rdfs:subClassOf smdb:Genre . ?m smdb:isOfGenre ?u . ?u rdfs:label ?g .%s }""" \
% ( ''.join(f_rules) ), initBindings={'g':Literal(genre, datatype=graph.ontologies['xsd'].string)} if genre else {})
# Location
locations = graph.query("SELECT DISTINCT ?l WHERE { ?m smdb:shotIn ?l . %s}" \
% ( ''.join(f_rules) ), initBindings={'l':Literal(location)} if location else {})
# Rating
ratings = graph.query("""SELECT DISTINCT ?r ?u WHERE {
?u rdfs:subClassOf smdb:MPAA_Rating . ?u rdfs:label ?r . ?m smdb:hasRating ?u . %s} ORDER BY ?r
"""% ( ''.join(f_rules) ), initBindings={'u':URIRef(rating)} if rating else {})
ratings = [ (label.split(' ')[0], uri) for (label, uri) in ratings ] # Make the label shorter
return [
Filter(header='Genre', label='genre', obj_list=genres, target_o=genre),
Filter(header='Director', label='director', obj_list=directors, target_o=director),
Filter(header='Year', label='year', obj_list=years, target_o=year),
Filter(header='Shot In', label='location', obj_list=locations, target_o=location),
Filter(header='Rating', label='rating', obj_list=ratings, target_o=rating),
]
def get_objects(tp,dic):
q = ['%s rdf:type me:%s' % (obj_dic[tp][1],tp)]
for k in dic.keys():
if k != tp:
q.append('%s me:%s %s' % (obj_dic[tp][1],obj_dic[k][0],obj_dic[k][1]) )
q.append('%s rdf:type me:%s' % (obj_dic[k][1],k) )
for i in dic[k]:
q.append('%s me:%s %s' % (obj_dic[k][1],i[0],i[1]))
if len(i) == 3: #Filter
q.append(i[2])
s = " . ".join(q)
qy = """ SELECT %s WHERE { %s . } """ % (obj_dic[tp][1],s)
print qy
return map(lambda inst: obj_dic[tp][2](inst), list(set(graph.query(qy))) )
def popular_movies():
res = graph.query("""SELECT ?m ?t ?u WHERE {
?m rdf:type smdb:Movie .
?m smdb:title ?t .
OPTIONAL{ ?u smdb:hasSeen ?m . }
}""", initBindings={})
#pprint(res)
sorted_res = sort_by_count(res, [0,1], 2)
sorted_res = sorted_res[:5]
sorted_res = [ el[0] + (el[1],) for el in sorted_res ] # Flatten the results so that it's (uri, title, score)
#pprint(sorted_res)
return sorted_res
def get_favorite_directors(user):
res = dict()
query = """SELECT DISTINCT ?m ?p WHERE{
?m rdf:type smdb:Movie .
<%s> smdb:hasSeen ?m .
?p smdb:directed ?m .
}""" % user
directors = graph.query(query)
for director in directors:
if director[1] in res.keys():
res[director[1]] += 1
else:
res[director[1]] = 1
return res
def get_favorite_writers(user):
res = dict()
query = """SELECT DISTINCT ?m ?p WHERE{
?m rdf:type smdb:Movie .
<%s> smdb:hasSeen ?m .
?p smdb:wrote ?m .
}""" % user
writers = graph.query(query)
for writer in writers:
if writer[1] in res.keys():
res[writer[1]] += 1
else:
res[writer[1]] = 1
return res
def get_favorite_genres(user):
res = dict()
query = """SELECT DISTINCT ?m ?g WHERE{
?m rdf:type smdb:Movie .
<%s> smdb:hasSeen ?m .
?m smdb:isOfGenre ?g .
}""" % user
genres = graph.query(query)
for genre in genres:
if genre[1] in res.keys():
res[genre[1]] += 1
else:
res[genre[1]] = 1
return res
def browse_people(occupations):
initBindings = {}
occupationToQuery = { 'writer': '?u smdb:wrote ?m1 .\n',
'actor': '?u smdb:performedIn ?m2 .\n',
'director': '?u smdb:directed ?m3 .\n',
}
f = Person.getFilterList(occupations)
query = """SELECT DISTINCT ?u ?n WHERE {
?u rdf:type smdb:Person .
?u smdb:name ?n .
"""
for o in occupations:
if o in occupationToQuery: query += occupationToQuery[o]
res = graph.query(query + "}", initBindings=initBindings)
return [f, res]
def movies_of_the_year():
# This is popular_movies filtered by the current year
year = datetime.datetime.now().year
res = graph.query("""SELECT ?m ?t ?u WHERE {
?m rdf:type smdb:Movie .
?m smdb:title ?t .
?m smdb:releaseDate "%s" .
OPTIONAL{ ?u smdb:hasSeen ?m . }
}""" % Literal(year), initBindings={})
#pprint(res)
sorted_res = sort_by_count(res, [0,1], 2)
sorted_res = sorted_res[:5]
sorted_res = [ el[0] + (el[1],) for el in sorted_res ] # Flatten the results so that it's (uri, title, score)
#pprint(sorted_res)
return sorted_res
def person_suggestions(uri):
score = dict()
name = dict()
query = """SELECT DISTINCT ?p ?n ?m WHERE {
?m rdf:type smdb:Movie .
<%s> ?r ?m .
?r rdfs:subPropertyOf smdb:participatedInMovie .
?p ?r1 ?m .
?r1 rdfs:subPropertyOf smdb:participatedInMovie .
?p smdb:name ?n .
FILTER( ?p != <%s> ) .
}
""" % (uri,uri)
relatedPeople = graph.query(query)
for person in relatedPeople:
if person[0] in score.keys():
score[person[0]] += 1
else:
score[person[0]] = 1
name[person[0]] = person[1]
results = [ [uri, name[uri], score[uri]] for uri in score.keys() ]
sortedResults = sorted(results, key = lambda pair : pair[2], reverse = True )
#for result in sortedResults[:5]:
# print results
res = sortedResults[:5]
for r in res:
if r[1] == 0:
res.remove(r)
return res
def friends_who_watched(self, user):
for uri in graph.query("""SELECT ?u WHERE {
?u smdb:hasSeen ?m .
?u smdb:isFriendsWith ?me .
}""", initBindings={'m': self.uri, 'me': URIRef(user)}):
yield SMDBUser(uri)
def single_query(self,prop,func):
for p in graph.query(""" SELECT ?prop WHERE { ?inst me:%s ?prop . } """ % prop, initBindings={'inst': self.uri}):
return func(p)
def inverse_multiple_query(self,prop,func):
return map(lambda a: func(a), graph.query(""" SELECT ?ev WHERE { ?ev me:%s ?art . } """ % prop, initBindings={'art': self.uri}))
def has_more_artists(self):
return len(graph.query(""" SELECT ?art WHERE { ?ev me:performed_by ?art . } """, initBindings={'ev': self.uri})) > 1
def recommended_movies(request):
userURI = request.user.get_profile().uri
related = dict()
titles = dict()
favGenres = get_favorite_genres(userURI)
favDirectors = get_favorite_directors(userURI)
favWriters = get_favorite_writers(userURI)
#for director in zip(favDirectors.keys(), favDirectors.values()): print director
#for writer in zip(favWriters.keys(), favWriters.values()): print writer
#for genre in zip(favGenres.keys(), favGenres.values()): print genre
query = """SELECT DISTINCT ?m ?f ?u ?t WHERE {
?m rdf:type smdb:Movie .
?m smdb:title ?t .
OPTIONAL{ ?f smdb:hasSeen ?m .
?f smdb:isFriendsWith <%s> .
} .
OPTIONAL{ ?u smdb:hasSeen ?m .
FILTER( ?u = <%s>) .
} .
}""" % (userURI, userURI)
#print query
notSeen = graph.query(query)
for movie in notSeen:
if not movie[2]:
if movie[0] in related.keys():
related[movie[0]] += 1
else:
titles[movie[0]] = movie[3]
if movie[1]:
related[movie[0]] = 1
else:
related[movie[0]] = 0
#for movie in zip(related.keys(), related.values()):
# print movie
genreQuery = """SELECT DISTINCT ?m ?g WHERE {
?m rdf:type smdb:Movie .
?m smdb:isOfGenre ?g .
}"""
allGenres = graph.query(genreQuery)
directorQuery = """SELECT DISTINCT ?m ?p WHERE {
?m rdf:type smdb:Movie .
?p smdb:directed ?m .
}"""
allDirectors = graph.query(directorQuery)
writerQuery = """SELECT DISTINCT ?m ?p WHERE {
?m rdf:type smdb:Movie .
?p smdb:wrote ?m .
}"""
allDirectors = graph.query(writerQuery)
for movie in allGenres:
if movie[1] in favGenres.keys() and movie[0] in related.keys():
related[movie[0]] += favGenres[movie[1]]
for movie in allDirectors:
if movie[1] in favDirectors.keys() and movie[0] in related.keys():
related[movie[0]] += favDirectors[movie[1]]
for movie in allGenres:
if movie[1] in favWriters.keys() and movie[0] in related.keys():
related[movie[0]] += favWriters[movie[1]]
results = [ [uri, titles[uri], related[uri]] for uri in related.keys() ]
sortedResults = sorted(results, key = lambda pair : pair[2], reverse = True )
#for result in sortedResults: print result
return sortedResults[:5]
def event_search(request):
d = {'artist':(['Performer','Name','?an'],[]),'event':(['Event','Name','?en'],[]),'day':(['Date','DayNumber','?dn'],[]),'month':(['Date','MonthName','?mn'],[]),'year':(['Date','Year','?y'],[]),'hour':(['Date','Hour','?h'],[]),'place':(['Place','Locality','?lo'],[]),'genre':(['Performer','Genre','?g'],[])}
ambiguous = []
l = []
event_list = []
dics = []
words = request.GET['search_words'].split()
weight = len(words)
print words
for word in words:
if l:
if l[0] in d.keys():
d[l[0]][1].append((word,weight))
l.pop()
elif word in d.keys():
d[word][1].append((l[0],weight))
l.pop()
else:
ambiguous.append((l.pop(),weight))
l.append(word)
weight -= 1
else:
l.append(word)
if l:
ambiguous.append((l.pop(),weight))
print ambiguous
print d
for i in d.keys():
wds = d[i][1]
for j in wds:
if i in ['day','year','hour']:
try:
val = int(j[0])
prop = (d[i][0][1],j[0])
except:
continue
else:
f = 'FILTER (regex(%s, "%s+?", "i"))' % (d[i][0][2],j[0])
prop = (d[i][0][1],d[i][0][2],f)
evts = get_objects('Event', {d[i][0][0]:[prop]} )
for e in evts:
e.weight = j[1]
dics.append(evts)
for i in ambiguous:
val = i[0]
q1 = '''?ev rdf:type me:Event . ?ev me:Name ?ename .
?ev me:starts_at ?d . ?d me:DayNumber ?dnm . ?d me:MonthName ?mnm . ?d me:Year ?y . ?d me:Hour ?h .
?ev me:performed_by ?art . ?art me:Name ?aname . ?art me:Genre ?gr .
?ev me:takes_place ?p . ?p me:Locality ?l .
FILTER ( regex(?ename, "%s+?", "i") || regex(?edes, "%s+?", "i") || regex(?dnm, "%s+?", "i") ||
regex(?mnm, "%s+?", "i") || regex(?y, "%s+?", "i") || regex(?h, "%s+?", "i") || regex(?aname, "%s+?", "i") ||
regex(?gr, "%s+?", "i") || regex(?l, "%s+?", "i"))''' % (val,val,val,val,val,val,val,val,val)
q = """ SELECT ?ev WHERE { %s . } """ % (q1)
evts = map(lambda a: Event(a), list(set(graph.query(q))) )
for e in evts:
e.weight = i[1]
dics.append(evts)
if dics:
event_list = reduce(event_match,dics)
event_list = sorted(event_list,cmp= lambda a,b: cmp(b.weight,a.weight))
res = len(event_list)
return render(request,'events/event_list.html', {'event_list' : event_list, 'results' : res})
