class SMDB():
def __init__(self, identifier="http://www.smdb.com/smdb.owl"):
self.store = Sleepycat()
#self.store.open('rdf-db')
self.store.open('../SMDB/database/rdf', create = False)
self.graph = Graph(self.store, identifier = URIRef(identifier))
self.printTripleCount()
self.smdb = Namespace(identifier + '#')
self.person = Namespace("/person/")
self.movie = Namespace("/movie/")
self.character = Namespace("/character/")
self.user = Namespace("/user/")
def printTripleCount(self):
print "Triples in graph: ", len(self.graph)
def exportData(self, file_name='res'):
# save the graph in RDF/XML and N3
self.graph.serialize(destination=file_name + ".xml")
self.graph.serialize(destination=file_name + ".n3", format="n3")
def __init__(self, identifier="http://www.smdb.com/smdb.owl"):
self.store = Sleepycat()
#self.store.open('rdf-db')
self.store.open('../SMDB/database/rdf', create = False)
self.graph = Graph(self.store, identifier = URIRef(identifier))
self.printTripleCount()
self.smdb = Namespace(identifier + '#')
self.person = Namespace("/person/")
self.movie = Namespace("/movie/")
self.character = Namespace("/character/")
self.user = Namespace("/user/")
class SMDB():
def __init__(self, identifier="http://www.smdb.com/smdb.owl"):
self.store = Sleepycat()
#self.store.open('rdf-db')
self.store.open('database/rdf', create = False)
self.graph = Graph(self.store, identifier = URIRef(identifier))
self.printTripleCount()
if(len(self.graph) == 0):
self.graph.parse('../Ontology/SocialMovieDatabase.owl')
self.smdb = Namespace(identifier + '#')
self.person = Namespace("/person/")
self.movie = Namespace("/movie/")
self.character = Namespace("/character/")
self.user = Namespace("/user/")
def printTripleCount(self):
print "Triples in graph: ", len(self.graph)
def addPerson(self, name, bio="Sample Biography."):
uri = self.person[slugify(name) + '/']
self.graph.add((uri, RDF.type, self.smdb['Person']))
self.graph.add((uri, self.smdb['name'], Literal(name)))
self.graph.add((uri, self.smdb['biography'], Literal(bio)))
self.graph.commit()
def addPerformance(self, actor, movie):
uriActor = self.person[slugify(actor) + '/']
uriMovie = self.movie[slugify(movie) + '/']
self.graph.add((uriActor, self.smdb['performedIn'], uriMovie))
self.graph.add((uriMovie, self.smdb['featured'], uriActor))
self.graph.commit()
def addDirector(self, director, movie):
uriDirector = self.person[slugify(director) + '/']
uriMovie = self.movie[slugify(movie) + '/']
self.graph.add((uriDirector, self.smdb['directed'], uriMovie))
self.graph.add((uriMovie, self.smdb['directedBy'], uriDirector))
self.graph.commit()
def addWriter(self, writer, movie):
uriWriter = self.person[slugify(writer) + '/']
uriMovie = self.movie[slugify(movie) + '/']
self.graph.add((uriWriter, self.smdb['wrote'], uriMovie))
self.graph.add((uriMovie, self.smdb['writtenBy'], uriWriter))
self.graph.commit()
def addCharacter(self, movie, actor, character):
uriMovie = self.movie[slugify(movie) + '/']
uriActor = self.person[slugify(actor) + '/']
uriCharacter = self.character[slugify(character) + '/']
character = character.replace("[","").replace("]","")
self.graph.add((uriCharacter, RDF.type, self.smdb['Character']))
self.graph.add((uriCharacter, self.smdb['name'], Literal(character)))
self.graph.add((uriCharacter, self.smdb['portrayedBy'], uriActor))
self.graph.add((uriActor, self.smdb['playsCharacter'], uriCharacter))
self.graph.add((uriCharacter, self.smdb['inMovie'], uriMovie))
self.graph.commit()
def addMovie(self, title, releaseDate, synopsis="Sample synopsis."):
uri = self.movie[slugify(title) + '/']
if '(' in title: clean_title = title[:title.find('(')-1]
self.graph.add((uri, RDF.type, self.smdb['Movie']))
self.graph.add((uri, self.smdb['title'], Literal(clean_title)))
self.graph.add((uri, self.smdb['releaseDate'], Literal(releaseDate)))
self.graph.add((uri, self.smdb['synopsis'], Literal(synopsis)))
self.graph.commit()
def addGenre(self, movie, genre):
uri = self.movie[slugify(movie) + '/']
uriGenre = self.smdb[genre]
self.graph.add((uri, self.smdb['isOfGenre'], uriGenre))
self.graph.commit()
def addRating(self, movie, rating):
uriMovie = self.movie[slugify(movie) + '/']
uriRating = self.smdb[rating]
self.graph.add((uriMovie, self.smdb['hasRating'], uriRating))
self.graph.commit()
def addLocation(self, movie, location):
uriMovie = self.movie[slugify(movie) + '/']
self.graph.add((uriMovie, self.smdb['shotIn'], Literal(location)))
self.graph.commit()
def addDuration(self, movie, duration):
uriMovie = self.movie[slugify(movie) + '/']
self.graph.add((uriMovie, self.smdb['duration'], Literal(duration)))
self.graph.commit()
def addSMDBUser(self, username, fullname=''):
uri = self.user[slugify(username) + '/']
self.graph.add((uri, RDF.type, self.smdb['SMDBUser']))
self.graph.add((uri, self.smdb['username'], Literal(username)))
if fullname: self.graph.add((uri, self.smdb['fullName'], Literal(fullname)))
# Add the django model.
try:
user = User.objects.create_user(username, '', username) # Use username as password
if fullname:
user.first_name = fullname.split(' ', 1)[0]
if ' ' in fullname: user.last_name = fullname.split(' ',1)[1]
user.save()
except IntegrityError:
user = User.objects.get(username=username)
print 'The user', username, 'was already created in the Django database.'
# Add the Profile info if it doesn't exist yet
try:
profile = user.get_profile()
profile._uri = uri
except UserProfile.DoesNotExist:
profile = UserProfile(_uri=uri)
profile.user = user
print 'Created Profile for:', uri
# Save changes
profile.save()
self.graph.commit()
def addFriendship(self, user1, user2):
uriUser1 = self.user[slugify(user1) + '/']
uriUser2 = self.user[slugify(user2) + '/']
self.graph.add((uriUser1, self.smdb['isFriendsWith'], uriUser2))
self.graph.add((uriUser2, self.smdb['isFriendsWith'], uriUser1))
self.graph.commit()
def addMovieSeen(self, user, movie):
uriUser = self.user[slugify(user) + '/']
uriMovie = self.movie[slugify(movie) + '/']
self.graph.add((uriUser, self.smdb['hasSeen'], uriMovie))
self.graph.commit()
def addMovieReview(self, review_id, text, movie, author):
cleanMovie = slugify(movie) + '/'
uri = self.movie[cleanMovie + '#review-' + str(review_id)]
uriMovie = self.movie[cleanMovie]
uriUser = self.user[slugify(author) + '/']
self.graph.add((uri,RDF.type, self.smdb['MovieReview']))
self.graph.add((uri, self.smdb['id'], Literal(review_id)))
self.graph.add((uri, self.smdb['refersTo'], uriMovie))
self.graph.add((uri, self.smdb['writtenByUser'], uriUser))
self.graph.add((uri, self.smdb['reviewText'], Literal(text)))
self.graph.commit()
def exportData(self, file_name='res'):
# save the graph in RDF/XML and N3
self.graph.serialize(destination=file_name + ".xml")
self.graph.serialize(destination=file_name + ".n3", format="n3")
for t in active_threads:
if not commit_pending_transaction:
self.rollback(rollback_root=True)
else:
self.commit(commit_root=True)
sleep(0.1)
# there may still be open transactions
super(BerkeleyDB, self).close()
def add(self, (subject, predicate, object_), context, quoted=False):
@transaction
def _add(self, (subject, predicate, object_), context, quoted, txn=None):
Sleepycat.add(self, (subject, predicate, object_), context, quoted, txn)
try:
_add(self, (subject, predicate, object_), context, quoted)
except Exception, e:
# print "Got exception in _add: ", e
raise e
def remove(self, (subject, predicate, object_), context):
@transaction
def _remove(self, (subject, predicate, object_), context, txn=None):
Sleepycat.remove(self, (subject, predicate, object_), context, txn=txn)
try:
_remove(self, (subject, predicate, object_), context)
for t in active_threads:
if not commit_pending_transaction:
self.rollback(rollback_root=True)
else:
self.commit(commit_root=True)
sleep(0.1)
# there may still be open transactions
super(BerkeleyDB, self).close()
def add(self, (subject, predicate, object_), context, quoted=False):
@transaction
def _add(self, (subject, predicate, object_), context, quoted, txn=None):
Sleepycat.add(self, (subject, predicate, object_), context, quoted, txn)
try:
_add(self, (subject, predicate, object_), context, quoted)
except Exception, e:
# print "Got exception in _add: ", e
raise e
def remove(self, (subject, predicate, object_), context):
@transaction
def _remove(self, (subject, predicate, object_), context, txn=None):
Sleepycat.remove(self, (subject, predicate, object_), context, txn=txn)
try:
_remove(self, (subject, predicate, object_), context)