Add father_id aux labels

Les labels générés n'avaient pas de père. Mainteant pour chaques labels un père est générer aléatoirement.

test/create_random_db.py

@@ -47,8 +47,11 @@ def create_tutos(nb_tutos):
 def create_labels(nb_labels):
     values1 = []
     for i in range(nb_labels):
-        values1.append([random_generator(7)])
-    request = "INSERT INTO labels (name) VALUES (?)"
+        father = randint(1, nb_labels)
+        while (father == i):
+            father = randint(1, nb_labels)
+        values1.append([random_generator(7), father])
+    request = "INSERT INTO labels (name, father_id) VALUES (?, ?)"
     send_sql_request(request, many=1, values=values1)
 
 def link_tutos_labels(nb_tutos, nb_labels):
@@ -91,6 +94,7 @@ elif (len(sys.argv) == 4):
     nb_labels = int(sys.argv[3])
     connection = sqlite3.connect(db_name, check_same_thread=False)
     create_all_db(db_name, nb_tutos, nb_labels)
+    print ("Succès")
 else:
     print ("bad parameters, use \"create_random_db.py [db_name] [nb_tutos] [nb_labels]\"")