def deal_hand(self, participant):
""" Deal a (randomly selected) hand from the game's answer deck.
"""
deck_size = len(self.answer_deck)
if deck_size < config.SIZE_OF_HAND:
logging.warn("not enough cards")
return None
# this case, where the participant already has a hand dealt, 'should' not
# actually come up. (should it be an error if it does?)
if participant.cards:
return participant.cards
participant.cards = []
for _ in range(0, config.SIZE_OF_HAND):
# note: since the deck is already shuffled, probably don't really need to
# select randomly from it...
idx = random.randint(0, deck_size-1)
card = self.answer_deck[idx]
participant.cards.append(card)
del self.answer_deck[idx]
deck_size -= 1
model.put_multi([participant, self])
logging.debug(
"participant %s got hand %s", participant.plus_id, participant.cards)
logging.debug("answer deck is now: %s", self.answer_deck)
return participant.cards
def get(self):
pkey = Publisher.create('Museum of Vertebrate Zoology').put()
ckey = Collection.create('Birds', pkey).put()
start = int(self.request.get('start'))
size = int(self.request.get('size'))
logging.info('start=%s, size=%s' % (start, size))
count = -1
created = 0
path = os.path.join(os.path.dirname(__file__), 'data.csv')
reader = csv.DictReader(open(path, 'r'), skipinitialspace=True)
dc = []
dci = []
while start >= 0:
reader.next()
start -= 1
for rec in reader:
if created == size:
model.put_multi(dc)
model.put_multi(dci)
rec = dict((k.lower(), v)
for k, v in rec.iteritems()) # lowercase all keys
dc.append(Record.create(rec, ckey))
dci.append(RecordIndex.create(rec, ckey))
created += 1
self.response.out.write('Done. Created %s records' % created)
def get(self):
pkey = Publisher.create("Museum of Vertebrate Zoology").put()
ckey = Collection.create("Birds", pkey).put()
start = int(self.request.get("start"))
size = int(self.request.get("size"))
logging.info("start=%s, size=%s" % (start, size))
count = -1
created = 0
path = os.path.join(os.path.dirname(__file__), "data.csv")
reader = csv.DictReader(open(path, "r"), skipinitialspace=True)
dc = []
dci = []
while start >= 0:
reader.next()
start -= 1
for rec in reader:
if created == size:
model.put_multi(dc)
model.put_multi(dci)
rec = dict((k.lower(), v) for k, v in rec.iteritems()) # lowercase all keys
dc.append(Record.create(rec, ckey))
dci.append(RecordIndex.create(rec, ckey))
created += 1
self.response.out.write("Done. Created %s records" % created)
def _calculate_scores(self, game):
# for all active participants, calculate everyone's scores, based on
# yet-to-be-defined metrics. As a strawman method, just set a score for each
# participant based upon how many others voted for that person.
participants = game.participants()
pvotes = self._build_votes_dict(participants)
for p in participants:
p.score = pvotes.get(p.plus_id, 0)
# accumulate game score and hangout_score with this round's results.
p.game_score += p.score
p.hangout_score += p.score
model.put_multi(participants)
return participants
def testPutMulti(self):
ent1 = model.Model(key=model.Key('MyModel', 1))
ent2 = model.Model(key=model.Key('MyModel', 2))
ent3 = model.Model(key=model.Key('MyModel', 3))
res = model.put_multi((ent1, ent2, ent3))
self.assertEqual(res, [ent1.key, ent2.key, ent3.key])
def testPutMulti(self):
ent1 = model.Model(key=model.Key('MyModel', 1))
ent2 = model.Model(key=model.Key('MyModel', 2))
ent3 = model.Model(key=model.Key('MyModel', 3))
res = model.put_multi((ent1, ent2, ent3))
self.assertEqual(res, [ent1.key, ent2.key, ent3.key])
def _tx():
dirty = False
hangout = cls.get_by_id(hangout_id)
if not hangout:
hangout = cls(id=hangout_id)
dirty = True
if hangout.current_game:
game = hangout.current_game.get()
else:
game = Game.new_game(hangout)
game.put()
hangout.current_game = game.key
dirty = True
if dirty:
model.put_multi([hangout, game])
return game
def _tx():
game = game_key.get()
participant = cls.get_by_id(plus_id, parent=game_key)
if not participant:
participant = cls(id=plus_id, parent=game_key)
participant.channel_id = str(participant.key)
participant.channel_token = channel.create_channel(
participant.channel_id)
participant.playing = True
# deal the hand for the participant.
# TODO - deal with the case where the player did not get any cards,
# indicated if hand is None.
hand = game.deal_hand(participant)
# if not hand:
# react usefully if there were not enough cards for their hand.
model.put_multi([participant, game])
return participant
def post(self):
# Parameters checked by frontend
name = self.request.get('name')
source_name = self.request.get('source')
# Get source
source = sources.get(source_name)
if not source:
logging.error('Cannot harvest without a source')
self.error(404)
# Update job status to 'error'
job = get_job(name, source_name, 'error', msg='Unsupported source')
cache.add(key, job)
return
# Check cache for harvest job
key = get_job_cache_key(name, source_name)
job = cache.get(key)
if not job:
self.error(404)
self.response.headers['Content-Type'] = "application/json"
self.response.out.write('{"error":"unknown job %s"}' % key)
return
count = 0
# Update job status to 'working'
cache.add(key, get_job(name, source_name, 'working', msg=count))
# Get points from source and put them into datastore in batches
pcount = 0
for points in self.get_points(name, source):
logging.info('HARVEST BACKEND MEMORY = %s after %s points' % (runtime.memory_usage().current(), count))
entities = []
for p in points:
pkey = Key('Point', '%s-%s-%s' % (source_name, name, pcount))
pcount += 1
entities.append(Point(key=pkey, lat=p[0], lng=p[1]))
entities.append(PointIndex.create(pkey, p[0], p[1], name, source_name))
model.put_multi(entities)
count += len(points)
cache.add(key, get_job(name, source_name, 'working', msg=count))
# Update job status to 'done'
# TODO: Done now or after backend rendering completes?
cache.add(key, get_job(name, source_name, 'done', msg=count))
def getcells(cls, cell_keys):
"""Gets CouchDBCell entities corresponding to a set of cell keys.
Arguments:
cell_keys - A set of cell key strings (e.g., 9-15).
Returns:
A dictionary of cell key to CouchDBCell.
"""
logging.info(cell_keys)
cells = {}
# Get cached cells
cached = memcache.get_multi(cell_keys)
cells.update(cached)
# Calculate any uncached cell keys
cell_keys = cell_keys.difference(cached.keys())
cachecells = False
# Check datastore for any uncached cell keys
if len(cell_keys) > 0:
cachecells = True
stored = cls.fromds(cell_keys)
cells.update(stored)
# Calculate any cell keys not in datastore
cell_keys = cell_keys.difference(stored.keys())
# Check CouchDB for any cells not in datastore
if len(cell_keys) > 0:
cachecells = True
couched = cls.fromcouchdb(cell_keys)
cells.update(couched)
# Put cells from CouchDB into datastore
model.put_multi(couched.values())
# Cache cells
if cachecells:
memcache.set_multi(cells)
return cells
def start_new_game(cls, hangout_id, old_participants):
"""If there is a current game, set its end time. Then create a new game
and set it as the current hangout game, using the participant list of the
previous game. Returns the new game.
"""
hangout = cls.get_by_id(hangout_id)
if not hangout: # TODO: should this be an error instead?
hangout = cls(id=hangout_id)
if hangout.current_game:
current_game = hangout.current_game.get()
current_game.end_time = datetime.datetime.now()
# get the current active participants
# TODO: do we need to set these to inactive? don't think so,
# since parent game will no longer be current, and we retrieve by parent
# game.
# old_participants = current_game.participants()
new_game = Game.new_game(hangout)
new_game.put() # save now to generate key
# associate new participant objects, using plus_id of the old obj,
# with the new game.
new_participants = []
for p in old_participants:
newp = Participant(id=p.plus_id, parent=new_game.key)
# keep the same channel id and token.
# TODO - are there any issues in doing this?
# (channel id is based on participant key from original game, but thus
# far we don't ever need to reconstruct the keys).
newp.channel_id = p.channel_id
newp.channel_token = p.channel_token
newp.hangout_score = p.hangout_score
newp.playing = True
new_participants.append(newp)
new_game.select_new_question()
# deal cards to the (copied-over) participants
new_game.deal_hands(new_participants)
hangout.current_game = new_game.key
model.put_multi(new_participants)
model.put_multi([hangout, current_game, new_game])
return new_game
def start_new_round(self, participants):
""" start a new round of the given game.
"""
# first check that we have not maxed out the number of rounds for this
# game.
# The calling method 'should' have checked this already.
if self.current_round >= (config.ROUNDS_PER_GAME - 1):
# TODO - assuming it makes sense to have this be an exception, should
# define a 'GameException' subclass or similar.
raise Exception("Have reached last round in game; can't start new one.")
self.state = 'start_round'
# select a new question card for the round
self.select_new_question()
self.current_round += 1
# now reset the participants' votes, card selections, and round score.
# Keep the game and hangout scores.
logging.info("in start_new_round, with participants %s", participants)
for p in participants:
p.vote = None
p.selected_card = None
p.score = 0
self.put()
model.put_multi(participants)
def populate(n): xs = [Foo() for i in xrange(n)] ks = model.put_multi(xs)
def populate(n):
xs = [Foo() for i in xrange(n)]
ks = model.put_multi(xs)
