def get_quiz_question():
print('\n\nGET quiz hit:')
data = request.get_json()
print(data)
try:
if data['quiz_category']['id']:
questions = Question.query.filter(
~(Question.id.in_(data['previous_questions']))).filter(
Question.category == data['quiz_category']
['id']).order_by(func.random()).first()
else:
questions = Question.query.filter(
~(Question.id.in_(data['previous_questions']))).order_by(
func.random()).first()
if questions is not None:
selected_ques = questions.format()
else:
selected_ques = False
# abort(412) #this doesnt work on front end but i think it should have
print(selected_ques)
return jsonify({"success": True, 'question': selected_ques})
except PreconditionFailed as e:
print(sys.exc_info(), e)
abort(412)
except e:
print(sys.exc_info(), e)
abort(500)
def get_vocab():
# The params
single_word_value = request.args.get("single_word_value")
# Grab a random meaning
rand_m = Meaning.query.order_by(func.random()).first()
# Put all of the words in to a string
db_words = Word.query.filter_by(link_id=rand_m.id).all()
c_loop = 1
word_string = ""
for w in db_words:
word = str(w.w_text)
word_string += word if c_loop == 1 else ", " + word
c_loop += 1
# Add all of the data to a dictionary
data = {}
data["words"] = word_string
data["meaning"] = rand_m.m_text
# Return single word if needed
if single_word_value == "true":
data["single_word"] = (Word.query.filter_by(link_id=rand_m.id).order_by(func.random()).first()).w_text
# Return the dictionary
return jsonify(data)
def get_rand_pessoas(db: Session, qtde: dict) -> t.List[schemas.Pessoa]:
'''
Busca Pessoas aleatoriamente baseado no tipo de papel
Entrada: dict {papel: quantidade}
Saída: Lista de Esquemas de Pessoas
Exceções: Papel não encontrado
: Pessoas não Encontradas
'''
for key in qtde:
if key == "aliado":
pessoasAliado = db.query(models.Pessoa)\
.filter(models.Pessoa.aliado == True)\
.order_by(func.random())\
.limit(qtde[key])\
.all()
elif key == "colaborador":
pessoasColab = db.query(models.Pessoa)\
.filter(models.Pessoa.colaborador == True)\
.order_by(func.random())\
.limit(qtde[key])\
.all()
else:
raise HTTPException(status_code=404, detail="papel não encontrado")
pessoas = pessoasAliado + pessoasColab
if not pessoas:
raise HTTPException(status_code=404, detail="pessoas não encontradas")
return pessoas
def try_new_dishes():
dishes_to_try = []
body = request.get_json()
if body is None:
abort(400)
previous_dishes = body.get('previous_dishes')
if len(previous_dishes) == 0:
abort(400)
new_category = body.get('new_category')
if len(new_category) == 0:
abort(400)
try:
if new_category == 0:
dishes = Dish.query.filter(
Dish.id.notin_(previous_dishes), Dish.rating >= 3
).order_by(func.random()).limit(
1
) # if not specify a category, then recommend a dish that is not from previous dishes and ratings is greater than or equal to 3.
for d in dishes:
dish = get_formatted_dish(d.id)
dishes_to_try.append(dish)
else:
dishes = Dish.query.filter(
Dish.category_id == new_category,
Dish.id.notin_(previous_dishes), Dish.rating >= 3
).order_by(func.random()).limit(
1
) # If specify a category, then recommend a dish that is from this category, not from previous dishes and ratings is greater than or equal to 3.
for d in dishes:
dish = get_formatted_dish(d.id)
dishes_to_try.append(dish)
return jsonify({"success": True, "dish to try": dishes_to_try[0]})
except Exception:
abort(422)
def quickgame(cat_id, count, options):
count = int(count)
options = int(options)
cat = Category.query.get(cat_id)
tweets = cat.tweets_query.order_by(func.random()).limit(count).all()
user_ids = [tweet.user_id for tweet in tweets]
real_users = [TwitterUser.query.get(uid) for uid in user_ids]
fake_users = []
for tweet in tweets:
fake_user = cat.users_query.filter(
TwitterUser.id != tweet.user_id).order_by(
func.random()).limit(options - 1).all()
fake_users.append(fake_user)
game = zip(tweets, real_users, fake_users)
game_list = [{
'tweet':
tweet.text,
'options':
random.sample([
*[{
'handle': fake.username,
'name': fake.name,
'photo': fake.profile_image_url,
'real': False
} for fake in fakes], {
'handle': real.username,
'photo': real.profile_image_url,
'name': real.name,
'real': True
}
], options)
} for (tweet, real, fakes) in game]
return jsonify(game_list)
def search_events(request, sse, search_type, search_query):
try:
search_type = str(search_type).encode().lower()
types = set(['location', 'category'])
if search_type not in types:
return jsonify(error=True,
message='search type is unknown/invalid: ' +
search_type)
search_query = str(search_query).encode().lower().replace(
'_space_', ' ').replace('%20', ' ')
query = '%' + str(cgi.escape(search_query)).encode().lower() + '%'
if search_type == 'location':
events = db_session.query(Events) \
.filter( func.lower(Events.location).like( query ) ) \
.order_by(func.random()) \
.limit(10).all()
if search_type == 'category':
events = db_session.query(Events) \
.filter( func.lower(Events.categories).like( query ) ) \
.order_by(func.random()) \
.limit(10).all()
return jsonify(message='events',
events=[e.serialize_small for e in events])
except Exception as err:
print(err)
return jsonify(error=True,
errorMessage=str(err),
message='error processing...')
def output_json():
gender = request.args.get('gender', '')
minimum_age = request.args.get('minimum_age', 0)
maximum_age = request.args.get('maximum_age', 99)
if gender == '':
db_output = ImageRecord.query.filter(
ImageRecord.age >= minimum_age,
ImageRecord.age <= maximum_age).order_by(
func.random()).first_or_404()
if gender != '':
db_output = ImageRecord.query.filter(
ImageRecord.gender == gender, ImageRecord.age >= minimum_age,
ImageRecord.age <= maximum_age).order_by(
func.random()).first_or_404()
dict_output = {
'gender': db_output.gender,
'age': db_output.age,
'filename': db_output.filename,
'date_added': db_output.date_added,
'source': db_output.source,
'image_url': db_output.image_url(),
'last_served': db_output.last_served
}
db_output.last_served = datetime.utcnow()
db.session.commit()
return jsonify(dict_output)
def get_league_opponent(my_elo, league_id, request_user):
opponent = LeagueUserPropertyModel.query. \
filter(LeagueUserPropertyModel.league_id == league_id). \
filter(LeagueUserPropertyModel.user_id != request_user.id). \
filter(LeagueUserPropertyModel.hero_party != None). \
filter(LeagueUserPropertyModel.elo <= my_elo + 100). \
filter(LeagueUserPropertyModel.elo >= my_elo - 100). \
order_by(func.random()).\
first()
count = 2
while opponent is None:
opponent = LeagueUserPropertyModel.query. \
filter(LeagueUserPropertyModel.league_id == league_id). \
filter(LeagueUserPropertyModel.user_id != request_user.id). \
filter(LeagueUserPropertyModel.hero_party != None). \
filter(LeagueUserPropertyModel.elo <= my_elo + 100 * count). \
filter(LeagueUserPropertyModel.elo >= my_elo - 100 * count). \
order_by(func.random()). \
first()
count += 1
if count == 10:
break
return opponent
def get_next_question():
try:
body = request.get_json()
previous_questions = body.get('previous_questions')
quiz_category = body.get('quiz_category')
if quiz_category == 0: # When ALL is select, start next question from a random category
next_questions = Question.query.filter(
Question.id.notin_(previous_questions)).order_by(
func.random()).limit(1)
else:
next_questions = Question.query.filter(
Question.category == quiz_category,
Question.id.notin_(previous_questions)).order_by(
func.random()).limit(1)
formatted_next_questions = [
question.format() for question in next_questions
]
if len(formatted_next_questions) > 0:
return jsonify({
"success": True,
"question": formatted_next_questions[
0], # the first element from the question list
"previousQuestions": previous_questions,
"guess": '',
"showAnswer": False
})
else:
return jsonify({"success": False})
except:
abort(400)
def get_vocab():
# The params
single_word_value = request.args.get('single_word_value')
# Grab a random meaning
rand_m = Meaning.query.order_by(func.random()).first()
# Put all of the words in to a string
db_words = Word.query.filter_by(link_id=rand_m.id).all()
c_loop = 1
word_string = ""
for w in db_words:
word = str(w.w_text)
word_string += word if c_loop == 1 else ", " + word
c_loop += 1
# Add all of the data to a dictionary
data = {}
data["words"] = word_string
data["meaning"] = rand_m.m_text
# Return single word if needed
if (single_word_value == "true"):
data["single_word"] = (Word.query.filter_by(link_id=rand_m.id).order_by(func.random()).first()).w_text
# Return the dictionary
return jsonify(data)
def update():
example.clear()
example2.clear()
for i in range(2):
entry = session.query(Entry).order_by(func.random()).first()
example.append(entry)
entry2: EntryVar2 = session.query(EntryVar2).order_by(
func.random()).first()
example2.append(entry2)
def get_random_question(cls, previous_questions, category=None):
if category is not None:
return cls.query.filter(cls.category == category).filter(
cls.id.notin_(previous_questions)).order_by(
func.random()).first()
else:
return cls.query.filter(
cls.id.notin_(previous_questions)).order_by(
func.random()).first()
def random_prompt(prompt_model, field=None):
prompt = ''
if prompt_model:
if field:
row = prompt_model.query.order_by(
func.random()).filter_by(alive=field).first()
else:
row = prompt_model.query.order_by(func.random()).first()
prompt = row.prompt if row else ' '
return prompt
def play():
# selects two random stimuli
first_stimulus = Stimulus.query.order_by(func.random()).first()
second_stimulus = Stimulus.query.order_by(func.random()).first()
# makes sure a stimulus isn't compared to itself. if the code is run with a single stimulus in the db this is an infinite loop
while second_stimulus == first_stimulus:
second_stimulus = Stimulus.query.order_by(func.random()).first()
return render_template('play.html', first_stimulus = first_stimulus,
second_stimulus=second_stimulus)
def get_random_user():
random_user = User.query.filter_by(isSelected=False).order_by(
func.random()).first()
while random_user == current_user:
random_user = User.query.filter_by(isSelected=False).order_by(
func.random()).first()
if random_user == current_user:
return None
current_user.isJoined = True
random_user.isSelected = True
db.session.commit()
return random_user
def get_random_tags(count=5):
tags = session.query(Tag) \
.filter(Tag.yarns.any()) \
.order_by(func.random()) \
.limit(count) \
.all()
return tags
def questions():
'''POST endpoint to get questions to play the quiz.
- Request Arguments: category, previous questions
- Returns: A random question
'''
try:
req_body = json.loads(request.data)
previous_questions = req_body.get('previous_questions')
quiz_category = req_body.get('quiz_category')['id']
except Exception:
abort(400)
queries = []
if quiz_category != 0:
queries.append(Question.category == quiz_category)
queries.append(not_(Question.id.in_(previous_questions)))
try:
question = Question.query.filter(*queries).order_by(
func.random()).first()
data = {
'question': question.format,
}
except AttributeError:
data = {}
except Exception:
abort(500)
finally:
db.session.close()
return generate_response(data=data)
def get_words(term, quantity=1):
# if we haven`t received a term to search, randomize the words
PopularDescription = Text
popular_description_id = db.session.query(PopularDescription.id)\
.filter(PopularDescription.word_id == Word.id)\
.limit(1)\
.correlate(Word)\
.as_scalar()
get_words = db.session.query(Word, Text, Language, Lexicographer)\
.join(Text, Text.id == popular_description_id)\
.join(Language, Language.id == Text.language_id)\
.join(Lexicographer, Lexicographer.id == Text.created_by_id)\
.with_entities(Word.id, Word.word, Text.timestamp, Text.text, Text.id.label("text_id"), \
Language.name, Language.code, Word.created_by_id, Lexicographer.username, \
Text.num_ratings, Language.color)
if term is None:
return get_words.offset(
func.floor(func.random() *
db.session.query(func.count(Word.id)))).limit(quantity)
# otherwise use our term to search
else:
return get_words.filter(Word.word.ilike("%" + term + "%"))
def randomGetIp(targeturl):
global session1, thread
ip_port = ""
flag = False
while flag == False:
count = session1.query(TIpPool).count()
if count == 0:
if thread == None:
thread = threading.Thread(target=getip,
args=(targeturl, 'ip.txt'))
thread.start()
while count == 0:
session1.execute('reset query cache')
count = session1.query(TIpPool).count()
time.sleep(1)
print("数量:" + str(count))
ipPool = session1.query(TIpPool).order_by(
func.random()).limit(1).first()
ip_port = ipPool.ip + ":" + ipPool.port
flag = checkip(targeturl, ip_port)
# print("ip_port:%s,验证结果:%s"%(ip_port,flag))
if flag == False:
session1.delete(ipPool)
session1.commit()
return ip_port
def get_questions(selected_categories):
#gets all the posts related to selected categories by user
if selected_categories[0] == '':
query = db.session.query(Post, Category).join(Category).order_by(func.random()).limit(10).all()
else:
query = db.session.query(Post, Category).join(Category).filter(Category.name.in_(selected_categories)).order_by(func.random()).limit(10)
return query
def main(args: Args):
mols = session.query(Molecule).filter_by(active=False).order_by(
func.random()).limit(args.number)
for mol in tqdm(mols, total=mols.count()):
mol.testset = True
session.commit()
def get_random_question():
data = request.get_json()
print(data)
questions = []
questions_len = 0
question = None
quiz_category = data.get('quiz_category')
prevQuestions = data.get('previous_questions')
# check if quzi_category is none or previous_questions is none
if((quiz_category is None) or (prevQuestions is None)):
return abort(400)
# if previous asked questions is greater than or equal to total asked questions
if(len(prevQuestions) >= 5):
return jsonify({
"success":True
})
if(data.get('quiz_category') == 0):
questions = Question.query.filter(Question.id.notin_(prevQuestions)).order_by(func.random()).all()
else:
questions = Question.query.filter(Question.category == quiz_category).filter(Question.id.notin_(prevQuestions)).order_by(func.random()).all()
if(len(questions) >= 1):
question = questions[0]
return jsonify({
'success':True,
'question':question.format()
})
else:
return jsonify({
"success":True
})
def quiz():
previous = request.get_json()['previous_questions']
R = request.get_json()['quiz_category']
if R['type'] == 'click':
Q = Question.query.filter(Question.id.notin_(previous)).order_by(
func.random()).first()
else:
Ca = int(R['id'])
Q = Question.query.filter(Question.category == Ca + 1).filter(
Question.id.notin_(previous)).order_by(func.random()).first()
if not Q:
return jsonify({
'success': False,
})
x = Q.format()
return jsonify({'success': True, 'question': x})
def tournament_json():
if request.method == 'POST':
like(request.form.getlist('R')[0])
query = db.session.query(Resolution).order_by(func.random()).limit(10)
resolutions = [r.resolved for r in query]
return json.dumps(resolutions)
def get_next_card(cls, study_session_id, deck_id):
session = StudySession.query.filter_by(
id=study_session_id, user_id=g.user.id, deck_id=deck_id, state="Studying"
).first()
if session is None:
abort(404)
study_logs = db.session.query(StudySessionLog.card_id).filter_by(
study_session_id=session.id
)
study_plan = db.session.query(StudyPlan).filter_by(user_id=g.user.id).first()
ordering = func.random()
if study_plan:
if study_plan.order.value == "latest":
ordering = Card.date_created.desc()
elif study_plan.order.value == "oldest":
ordering = Card.date_created.asc()
card = (
db.session.query(Card)
.filter(
Card.state == "Active",
Card.user_id == g.user.id,
Card.deck_id == session.deck_id,
~(Card.id.in_(study_logs)),
)
.order_by(ordering)
.first()
)
return card
def get_username_to_unfollow_random(self):
""" Gets random username that is older than follow_time and has zero unfollow_count """
now_time = datetime.now()
cut_off_time = now_time - timedelta(seconds=self.bot.follow_time)
return self._session.query(Follower).filter(Follower.unfollow_count == 0) \
.filter(Follower.last_followed < cut_off_time) \
.order_by(func.random()).first()
def get_random_related_movies(user=None):
not_seen = []
if user.is_authenticated:
not_seen = get_seen_movies(user.id, -1)
seen = get_seen_movies(user.id, 1)
top_movs = uf.get_top_movies(user.id)
prospects = seen + top_movs
rand_index = random.randint(0, math.trunc((1.4 * len(prospects)) + 15))
if rand_index < len(prospects):
movie_id = prospects[rand_index]
else:
movie_id = get_relevant_movie(not_seen)
else:
movie_id = get_relevant_movie()
m1 = Movie.query.filter(Movie.id == movie_id).first()
if random.randrange(0, 5) < 2:
m2 = get_close_movie(m1.id, not_seen)
return m1, m2
respons = requests.get('https://api.themoviedb.org/3/movie/' + str(m1.id) +
'/recommendations?api_key=' + tmdb_key +
'&language=en-US&page=' +
random.choices("12", cum_weights=(0.65, 1.00))[0])
if respons.status_code != 200:
return None
ids = [r['id'] for r in json.loads(respons.text)['results']]
m2 = Movie.query.filter(Movie.id.in_(ids),
Movie.id.notin_(not_seen)).order_by(
func.random()).first()
if m2 == None:
m2 = get_close_movie(m1.id, not_seen)
return m1, m2
def parse_order_by(queryset, *field_names):
"""
TODO:add support for related fields
Parse the order_by clause and return the modified query.
This does not consider related tables at this time.
"""
for field in field_names:
if field == "?":
queryset.query = queryset.query.order_by(func.random())
continue
if isinstance(field, int):
if field < 0:
order = desc
field = -field
else:
order = asc
queryset.query = queryset.query.order_by(order(field))
continue
# evaluate the descending condition
if "-" in field:
order = desc
field = field[1:]
else:
order = asc
# old school django style for related fields
if "." in field:
# TODO: this is not accurate
queryset.query = queryset.query.order_by(order(condition))
else:
# normal order by
queryset, parts = parse_joins(queryset, field)
condition = reduce(lambda x, y: getattr(x, y), parts)
queryset.query = queryset.query.order_by(order(condition))
return queryset
def get_quiz_questions():
body = request.get_json()
previous_questions = body.get('previous_questions', None)
quiz_category = body.get('quiz_category', None)
current_question = None
# If no category is specified
if quiz_category.get('id') == 0:
# If first question
if len(previous_questions) == 0:
current_question = Question.query.order_by(
func.random()).first()
else:
random_questions = Question.query.order_by(func.random())
for question in random_questions:
if question.id in previous_questions:
continue
else:
current_question = question
else:
if len(previous_questions) == 0:
current_question = Question.query.order_by(
func.random()).filter(
Question.category == quiz_category.get('id')).first()
else:
random_questions = Question.query.order_by(
func.random()).filter(
Question.category == quiz_category.get('id'))
for question in random_questions:
if question.id in previous_questions:
continue
else:
current_question = question
return jsonify({
"question":
None if current_question is None else current_question.format(),
"success":
True
})
def get_related_articles(self, count=5):
from sqlalchemy.sql import func
return g.db().query(Publication).filter(
and_(Publication.id != self.id,
Publication.portal_division_id.in_(
db(PortalDivision.id).filter(PortalDivision.portal_id == self.division.portal_id))
)).order_by(func.random()).limit(count).all()
def get_candidate_to_follow(self) -> Follower:
return self._session.query(Follower) \
.filter(Follower.last_followed.is_(None)) \
.filter(Follower.followed_back.is_(None)) \
.filter(Follower.filtered.is_(None)) \
.filter(Follower.is_private.is_(True)) \
.order_by(func.random()) \
.first()
def getRandomWriter():
aWriter = Writers.query.\
with_entities(Writers.id, Writers.name, Writers.slug).\
order_by(func.random()).limit(10).all()
aJsonWriter = []
for oWriter in aWriter:
aJsonWriter.append({'name': oWriter.name, 'slug': oWriter.slug})
return jsonify(writer=aJsonWriter), 200
def get_url(gender="", minimum_age=0, maximum_age=0, thumb=False):
if gender == '':
db_output = ImageRecord.query.filter(
ImageRecord.age >= minimum_age,
ImageRecord.age <= maximum_age).order_by(
func.random()).first_or_404()
if gender != '':
db_output = ImageRecord.query.filter(
ImageRecord.gender == gender, ImageRecord.age >= minimum_age,
ImageRecord.age <= maximum_age).order_by(
func.random()).first_or_404()
db_output.last_served = datetime.utcnow()
db.session.commit()
if thumb == False: return db_output.image_url()
if thumb == True: return db_output.thumb_url()
def random_row():
row = Message.query.order_by(func.random()).first()
return {
"id": row.id,
"message": row.message,
"likes": row.likes,
"reports": row.reports
}
def make_comment(post_type):
Session = sessionmaker(bind=engine)
db = Session()
dead_comments = db.query(Comment.text) \
.filter(Comment.dead == True, Comment.text != None) \
.order_by(func.random()).limit(30000)
dead_comment_sim = train_from_query(dead_comments, CommentSim)
comment_query = db.query(Comment.text).filter(Comment.dead == False)
if post_type != "normal":
comment_query = comment_query.filter(Comment.id.in_(
db.query(func.unnest(Story.all_kids)).filter_by(**queries[post_type]["query"])
))
comment_query = comment_query.order_by(func.random()).limit(60000)
random_user_query = db.query(Comment.by).order_by(func.random())
comment_sim = train_from_query(comment_query, CommentSim)
user_names = (by[0] for by in random_user_query.limit(random.randint(0, 50)))
comments = []
for user_name in user_names:
is_dead = random.randint(2, 100) < 5
sim = comment_sim if not is_dead else dead_comment_sim
comment_length, comment = random.randint(0, 200), ""
while len(comment) < comment_length:
if (comment_length - len(comment)) < 25:
break
elif (comment_length - len(comment)) < 50:
comment += sim.make_short_sentence(50, tries=10000,
max_overlap_total=10,
max_overlap_ratio=0.5) + "\n"
else:
comment += sim.make_short_sentence(100,
tries=10000,
max_overlap_total=10,
max_overlap_ratio=0.5) + "\n"
comment = comment.replace(".", ". ")
comment_data = {"text": comment, "by": user_name, "dead": is_dead}
comments.append(comment_data)
return comments
def get_sticker_random(self, sticker_name: str):
with self._session_scope() as session:
query_data = session.query(
Sticker.img_url, Sticker.local_save,
Sticker.is_gif).filter(Sticker.name == sticker_name).order_by(
func.random()).first()
return query_data
def tournament_json():
if request.method == 'POST':
like(request.form.getlist('R')[0])
query = db.session.query(Resolution
).order_by(func.random()
).limit(10)
resolutions = [r.resolved for r in query]
return json.dumps(resolutions)
def random_card():
row = None
lu_try = 0
CARDS_TO_TRY = 10 #number of random cards to try before giving up
while not row and lu_try < CARDS_TO_TRY:
lu_try += 1
row = Card.query.order_by(func.random()).first()
if 'cards' not in session or lu_try >= CARDS_TO_TRY: break
if lu_try < 50 and row.id_string in session['cards']:
row = None
return redirect(url_for('card', card_id=row.id_string))
def random_link():
url = None
while url is None:
messages = session.query(Message).order_by(func.random()).limit(10).all()
for message in messages:
for url_ in URL_RE.findall(message.message):
url = url_.split('|', 1)[0] if '|' in url_ else url_
break
if url is not None:
break
return redirect(url)
def test_property_type(self):
self.populate(self.session)
menu = self.session.query(Menu).\
order_by(func.random()).first()
self.assertEqual(menu.type, 'Menu')
page = self.session.query(Page).\
order_by(func.random()).first()
self.assertEqual(page.type, 'Page')
section = self.session.query(Section).\
order_by(func.random()).first()
self.assertEqual(section.type, 'Section')
external_link = self.session.query(ExternalLink).\
order_by(func.random()).first()
self.assertEqual(external_link.type, 'ExternalLink')
internal_link = self.session.query(InternalLink).\
order_by(func.random()).first()
self.assertEqual(internal_link.type, 'InternalLink')
def test_property_type(self):
self.populate(self.session)
menu_info = self.session.query(MenuInfo).\
order_by(func.random()).first()
self.assertEqual(menu_info.type, 'MenuInfo')
page_info = self.session.query(PageInfo).\
order_by(func.random()).first()
self.assertEqual(page_info.type, 'PageInfo')
section_info = self.session.query(SectionInfo).\
order_by(func.random()).first()
self.assertEqual(section_info.type, 'SectionInfo')
external_link_info = self.session.query(ExternalLinkInfo).\
order_by(func.random()).first()
self.assertEqual(external_link_info.type, 'ExternalLinkInfo')
internal_link_info = self.session.query(InternalLinkInfo).\
order_by(func.random()).first()
self.assertEqual(internal_link_info.type, 'InternalLinkInfo')
def get_member(gender):
"""
Return the details of a randomly selected member of parliament.
"""
if not gender.lower() in ["male", "female"]:
abort(400)
gender_key = "M"
if gender.lower() == "female":
gender_key = "F"
mp = MemberOfParliament.query.filter_by(gender=gender_key).order_by(func.random()).first()
return send_api_response(mp.as_dict())
def active_exchanges(name=None, random=False):
global _registry
active_exchanges_query = Exchange.query.filter_by(
active=True).join(Currency, Exchange.currency_from).filter_by(
active=True)
if _registry is None:
if not name:
_registry = active_exchanges_query.all()
elif random:
_registry = active_exchanges_query.filter_by(
name=name).order_by(func.random()).first()
else:
_registry = active_exchanges_query.filter_by(name=name).all()
return _registry
def get_questions(group_id):
contents = []
entries = Entry.query.filter_by(group_id=group_id).order_by(
func.random()).limit(10).all()
for e in entries:
lines = e.notes.split('---')[0].split('\n')
for i in xrange(0, 10):
# strip leading spaces & bullets
line = random.choice(lines).lstrip(' +')
if (len(line) >= 16) or ('**' in line):
contents.append({
'id': e.id,
'title': e.title,
'creator': e.creator,
'clue': line
})
break
return json.dumps(contents)
def create_run_batches(self, args):
'''Creates job descriptions for parallel computing.
Parameters
----------
args: tmlib.workflow.jterator.args.BatchArguments
step-specific arguments
Returns
-------
generator
job descriptions
'''
channel_names = [
ch.name for ch in self.project.pipe.description.input.channels
]
if args.plot and args.batch_size != 1:
raise JobDescriptionError(
'Batch size must be 1 when plotting is active.'
)
with tm.utils.ExperimentSession(self.experiment_id) as session:
# Distribute sites randomly. Thereby we achieve a certain level
# of load balancing in case wells have different number of cells,
# for example.
sites = session.query(tm.Site.id).order_by(func.random()).all()
site_ids = [s.id for s in sites]
batches = self._create_batches(site_ids, args.batch_size)
for j, batch in enumerate(batches):
image_file_locations = session.query(
tm.ChannelImageFile._location
).\
join(tm.Channel).\
filter(tm.Channel.name.in_(channel_names)).\
filter(tm.ChannelImageFile.site_id.in_(batch)).\
all()
yield {
'id': j + 1, # job IDs are one-based!
'site_ids': batch,
'plot': args.plot
}
def index(self):
c.users = Session.query(User). \
filter(User.avatar!=None). \
options(orm.joinedload(User.avatar)). \
order_by(func.random()). \
limit(8). \
all()
c.one = choice(c.users)
if 'user' in session:
c.avatar_guesses = Session.query(AvatarGuess). \
options(orm.joinedload(AvatarGuess.guessed_avatar_)). \
filter(AvatarGuess.user==session['user']). \
order_by(AvatarGuess.created_at.desc()). \
limit(25)
if 'ajax' in request.params:
return render('/guess-avatar/choice.mako')
else:
c.title = 'ugani avatar'
return render('/guess-avatar/index.mako')
def test_standalone(self):
table1 = self.tables.people
# no special alias handling even though clause is not in the
# context of a FROM clause
self.assert_compile(
tablesample(table1, 1, name='alias'),
'people AS alias TABLESAMPLE system(:system_1)'
)
self.assert_compile(
table1.tablesample(1, name='alias'),
'people AS alias TABLESAMPLE system(:system_1)'
)
self.assert_compile(
tablesample(table1, func.bernoulli(1), name='alias',
seed=func.random()),
'people AS alias TABLESAMPLE bernoulli(:bernoulli_1) '
'REPEATABLE (random())'
)
def get(self, id):
comic = None
if isinstance(id, int):
comic = ComicModel.query.get(id)
elif isinstance(id, basestring):
if id == 'newest':
comic = ComicModel.query.order_by(
ComicModel.id.desc()).limit(1).first()
elif id == 'oldest':
comic = ComicModel.query.order_by(
ComicModel.id).limit(1).first()
elif id == 'random':
# XXX - This call may change depending on the database
# being used.
comic = ComicModel.query.order_by(
func.random()).limit(1).first()
if comic is None:
return 404, {}
buf = ComicSchema().dump(comic).data
buf['path'] = 'comics/%d.png' % comic.id
return 200, buf
def get_random_movie():
return db.session.query(Movie.title).order_by(func.random()).limit(1).one()[0].decode('utf-8')
def random_movie():
try:
return db.session.query(Movie.title).order_by(func.random()).limit(1).one()[0]
except Exception:
return ""
def get_random_excuse(cls, db):
return db.query(cls).filter(
cls.published==True
).order_by(
func.random()
).first()
def retrieve_random_test(difficulty):
return session.query(models.Test).filter(models.Test.difficulty == difficulty).order_by(func.random()).first()
def generate_word_sound(word):
audio_obj = Session.query(Audio).filter_by(word=word).order_by(func.random()).first()
rate, data = read(audio_obj.audio_file)
sound = data[int(rate * audio_obj.start):int(rate * audio_obj.end + 1)]
return sound
def get_featured_works(cls, count=20):
return models.BlakeFeaturedWork.query.order_by(func.random()).limit(count)
def main():
Session = sessionmaker(bind=engine)
sesh = Session()
print("Setting all_comments")
result = sesh.execute(
"""
CREATE OR REPLACE FUNCTION recurse_children(post_id INTEGER)
RETURNS integer[] AS $$
WITH RECURSIVE recursetree(id, parent_id) AS (
SELECT id, parent_id FROM comments WHERE parent_id = post_id
UNION
SELECT t.id, t.parent_id
FROM comments t
JOIN recursetree rt ON rt.id = t.parent_id
) SELECT array(SELECT id FROM recursetree);
$$ LANGUAGE SQL;""")
#sesh.execute("UPDATE posts SET all_kids=recurse_children(id) WHERE is_ask=true OR is_tell=true OR is_show=true;")
sesh.execute("COMMIT")
sesh.execute("BEGIN")
"""sesh.query(Story) \
.filter(or_(Story.is_ask == True, Story.is_tell == True, Story.is_show == True))\
.filter(Story.all_kids == None)\
.update({"all_kids": func.recurse_children(Story.id)}, synchronize_session=False)"""
print("Done")
for post_type, info in queries.items():
query_args = info["query"]
title_query = sesh.query(Story.title).filter_by(**query_args).order_by(func.random())
if post_type == "normal":
title_query = title_query.filter(Story.score > 4)
our_posts = []
print("Generating title for post type {type}".format(type=post_type))
title_sim = train_from_query(title_query, SubmissionTitleSim)
with Timer() as t:
for i in range(info["count"]):
chosen_title = title_sim.make_sentence(tries=10000,
max_overlap_total=10,
max_overlap_ratio=0.5)
domain, user = sesh.query(Story.host, Story.by).filter_by(**query_args).order_by(func.random()).limit(
1).one()
votes = random.randint(1, 250)
print(chosen_title + " ({domain})".format(domain=domain))
print("[{votes}] By {by}".format(votes=votes, by=user))
print()
our_posts.append({
"id": len(created_posts) + len(our_posts),
"title": chosen_title,
"host": domain,
"by": user,
"votes": votes,
"comments": [],
"type": post_type
})
del title_sim
print("Chosen title in {time:6.4f}".format(time=t.elapsed))
comments = [post_type] * len(our_posts)
pool = multiprocessing.Pool(processes=len(comments) if len(comments) < 5 else 5)
comment_data = pool.map(make_comment, comments)
for i, comments in enumerate(comment_data):
post = our_posts[i]
print("Made {0} comments".format(len(comments)))
last_indent = None
while comments:
comm = comments.pop()
choice = random.randint(0, 10)
if last_indent is None:
last_indent = 0
elif choice < 1:
# Reset
last_indent = 0
elif choice < 4:
# Stay where we are
pass
elif choice < 9:
# Indent
last_indent += 1
else:
if last_indent:
# Dedent
last_indent -= 1
comm["indent"] = last_indent
post["comments"].append(comm)
created_posts.extend(our_posts)
print("-" * 30)
with open("data/posts.json", "w") as fd:
json.dump(created_posts, fd)
def selectLocation(self, requirements, preferences, constraints):
"""Select all the locations based on the requirements, preferences and constraints
Args:
requirements: the Requirements namedtuple which represents the itinerary requirements
preferences: the Preferences namedtuple which represents the preferences requirements
constraints: the Constraints namedtuple which represents the constraints requirements
Returns:
Tuple containing the list of all the locations to be inserted in the slots, the meal locations and the
evening locations
([morning/afternoon Locations], [meal Locations], [evening Locations])
Raises:
-
"""
#Calculate the number of slots needed to be fulfilled (morning, afternoon, meal, evening)
nSlots = requirements.days * 4
#calculate the kids locations, that needs to be inserted in the slots. 1/6 of the locations must be for kids
nKids = 0
if requirements.kids:
nKids = (nSlots/6)
nSlots = nSlots - nKids
#if the user requires freeTime or he is young, the system will not schedule some slots
if requirements.freeTime or requirements.client.category == "young":
nSlots = nSlots - requirements.days
#list of the probabilities. Probabilities of: ['shopping', 'culture' 'gastronomy', 'nightlife']
probabilities = self.__calculateProbabilities(preferences)
#calculate how many locations I need to select in the categories: ['shopping', 'culture' 'gastronomy', 'nightlife']
locationTypes = [0,0,0,0]
pickTypes = [0,1,2,3]
for i in range(0, nSlots):
if locationTypes[2] == requirements.days:
pickTypes = [0,1,3]
probabilities = [(probabilities[0]*3)/4, (probabilities[1]*3)/4, 1-probabilities[0]-probabilities[1]]
randomNumber = self.__random_pick(pickTypes, probabilities)
locationTypes[randomNumber] = locationTypes[randomNumber] + 1
# Based on the previous calculations, the number of location that have to be picked is now known
# Proceed to build the query, that corresponds to the application of the knowledge rules in the engine.
i = 0
locations = []
meals = []
evening = []
categoryMapping = {
'culture': ('cultural', 'museum', 'historical'),
'shopping': ('shopping',),
'gastronomy': ('gastronomy',),
'nightlife': ('entertainment', 'amusement', 'performance')
}
# Consider the locations to be included (constraints)
if len(constraints.include) > 0:
q1 = Location.query.filter((Location.excludedCategory==None) | (Location.excludedCategory!=requirements.client.category))
q1 = q1.filter(Location.name.in_(constraints.include))
q1 = q1.order_by(Location.rating).order_by(func.random()).limit(len(constraints.include))
locations.extend(q1.all())
# Choose other locations from the database, based on preferences, requirements and constraints (the 'exclude' part)
for preferenceType in preferences._fields:
if locationTypes[i] > 0:
q1 = Location.query.filter(Location.category.in_(categoryMapping[preferenceType]))\
.filter((Location.excludedCategory==None) | (Location.excludedCategory!=requirements.client.category))
if not preferenceType == "gastronomy":
q1 = q1.filter(Location.category!='gastronomy')
if requirements.client.quiet or requirements.client.category == "elderly":
q1 = q1.filter_by(intensive=False)
if len(constraints.exclude) > 0:
q1 = q1.filter(~Location.name.in_(constraints.exclude))
q1 = q1.order_by(Location.rating).order_by(func.random()).limit(locationTypes[i])
if preferenceType == "nightlife":
evening.extend(q1.all())
elif not preferenceType == "gastronomy":
locations.extend(q1.all())
else:
meals.extend(q1.all())
i = i + 1
# Consider the presence of kids (requirements)
if nKids > 0:
IDsToExclude = []
for location in locations:
IDsToExclude.append(location.ID)
q1 = Location.query.filter((Location.excludedCategory==None) | (Location.excludedCategory!=requirements.client.category))
q1 = q1.filter_by(forKids=True)
if len(constraints.exclude) > 0:
q1 = q1.filter(~Location.ID.in_(constraints.exclude))
# Eliminate the possibility of choosing the same location twice, given the presence of kids
q1 = q1.filter(~Location.ID.in_(IDsToExclude))
q1 = q1.order_by(Location.rating).order_by(func.random()).limit(nKids)
locations.extend(q1.all())
return (locations, meals, evening)
def get(self):
return self.db.query().filter(*self.filters).order_by(func.random()).first()
def updateAllocation(self, settings, question_cap=DEFAULT_QUESTION_CAP):
# Get all existing allocations from the DB and their questions
allocsByType = dict()
hist_sel = float(settings.get('hist_sel', '0'))
if hist_sel > 0.001:
allocsByType['historical'] = []
# Only get half the question cap if there's not much chance of the questions being used
if hist_sel < 0.5 and 'question_cap_historical' not in settings:
settings['question_cap_historical'] = int(settings.get('question_cap', DEFAULT_QUESTION_CAP)) / 2
if hist_sel < 0.999:
# NB: Need to add rows for each distinct question type, otherwise won't try and assign them
allocsByType['regular'] = []
allocsByType['template'] = []
# Fetch all existing allocations, divide by allocType
for (dbAlloc, dbQn) in (Session.query(db.Allocation, db.Question)
.join(db.Question)
.filter(db.Allocation.studentId == self.student.studentId)
.filter(db.Allocation.active == True)
.filter(db.Allocation.lectureId == self.dbLec.lectureId)):
if not(dbQn.active) or (dbAlloc.allocationTime < dbQn.lastUpdate):
# Question has been removed or is stale
dbAlloc.active = False
else:
# Still around, so save it
if (dbAlloc.allocType or dbQn.defAllocType) in allocsByType:
# NB: If hist_sel has changed, we might not want some types any more
allocsByType[dbAlloc.allocType or dbQn.defAllocType].append(dict(alloc=dbAlloc, question=dbQn))
# Each question type should have at most question_cap questions
for (allocType, allocs) in allocsByType.items():
questionCap = int(settings.get('question_cap_' + allocType, settings.get('question_cap', DEFAULT_QUESTION_CAP)))
# If there's too many allocs, throw some away
for i in sorted(random.sample(xrange(len(allocs)), max(len(allocs) - questionCap, 0)), reverse=True):
allocs[i]['alloc'].active = False
del allocs[i]
# If there's questions to spare, and requested to do so, reallocate questions
if len(allocs) == questionCap and self.reAllocQuestions:
if self.targetDifficulty is None:
raise ValueError("Must have a target difficulty to know what to remove")
# Make ranking how likely questions are, based on targetDifficulty
suitability = []
for a in allocs:
if a['question'].timesAnswered == 0:
# New questions should be added regardless
suitability.append(1)
else:
suitability.append(1 - abs(self.targetDifficulty - float(a['question'].timesCorrect) / a['question'].timesAnswered))
ranking = sorted(range(len(allocs)), key=lambda k: suitability[k])
# Remove the least likely tenth
for i in sorted(ranking[0:len(allocs) / 10 + 1], reverse=True):
allocs[i]['alloc'].active = False
del allocs[i]
# Assign required questions randomly
if len(allocs) < questionCap:
query = Session.query(db.Question).filter_by(qnType='tw_questiontemplate' if allocType == 'template' else 'tw_latexquestion').filter_by(active=True)
if allocType == 'historical':
# Get questions from lectures "before" the current one
targetQuestions = (Session.query(db.LectureQuestion.questionId)
.join(db.Lecture)
.filter(db.Lecture.plonePath.startswith(re.sub(r'/[^/]+/?$', '/', self.dbLec.plonePath)))
.filter(db.Lecture.plonePath < self.dbLec.plonePath)
.subquery())
query = query.filter(db.Question.questionId.in_(targetQuestions))
else:
# Git questions from current lecture
query = query.filter(db.Question.lectures.contains(self.dbLec))
# Filter out anything already allocated
allocIds = [a['alloc'].questionId for a in allocs]
if len(allocIds) > 0:
query = query.filter(~db.Question.questionId.in_(allocIds))
# Give a target difficulty
if self.targetDifficulty is not None:
query = query.order_by(func.abs(round(self.targetDifficulty * 50) - func.round((50.0 * db.Question.timesCorrect) / db.Question.timesAnswered)))
for dbQn in query.order_by(func.random()).limit(max(questionCap - len(allocs), 0)):
dbAlloc = db.Allocation(
studentId=self.student.studentId,
questionId=dbQn.questionId,
lectureId=self.dbLec.lectureId,
allocationTime=datetime.datetime.utcnow(),
allocType='historical' if allocType == 'historical' else None,
)
Session.add(dbAlloc)
allocs.append(dict(alloc=dbAlloc, question=dbQn, new=True))
Session.flush()
for allocType, allocs in allocsByType.items():
for a in allocs:
yield (
self._questionUrl(a['alloc'].publicId),
allocType,
a['question'],
)
def random(cls):
return Kitten.query.order_by(func.random()).first()
def get_random():
session = Session()
return session.query(FeedItem).order_by(func.random()).first()
