def get_comments(num):
res = []
count = db.movie.count()
query = db.movie.find({}, {
'_id': 1
}).skip(count / randint(1, 10)).limit(num)
for i in xrange(num):
comment = Comments()
comment.mid = query[i]['_id']
comment.title = fake.sentence()
comment.content = '\n'.join(fake.sentences(nb=randint(2, 7)))
res.append(comment)
return res
