from otree.api import ( models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer, Currency as c, currency_range, ExtraModel #いらない気もするけどとりあえず追加しておく ) import random author = 'Your name here' doc = """ 金融資産取引実験 """ class Constants(BaseConstants): name_in_url = 'double_auction_03no_r' players_per_group = None num_rounds = 10 bids = {} # 売り値の処理に使うdictionary asks = {} # 買い値の処理に使うdictionary price_box = {} class Subsession(BaseSubsession): # 特に処理なし num_of_trade = models.IntegerField(initial=0) def vars_for_admin_report(self): # ave_prices = sorted([g.average_of_traded_price for g in self.get_groups()]) ave_prices = list([g.in_round(i).average_of_traded_price for i in range(1, Constants.num_rounds + 1)] for g in self.get_groups()) ave_prices_l = [float(ave_prices[0][i]) for i in range(Constants.num_rounds)] return dict(ave_prices=ave_prices_l) def js_vars(self): # ave_prices = sorted([g.average_of_traded_price for g in self.get_groups()]) ave_prices = list([g.in_round(i).average_of_traded_price for i in range(1, Constants.num_rounds + 1)] for g in self.get_groups()) ave_prices_l = [float(ave_prices[0][i]) for i in range(Constants.num_rounds)] return dict(ave_prices=ave_prices_l) def creating_session(self): for group in self.get_groups(): group.dividend_per_stock = 250 * c(random.randint(0, 1)) class Group(BaseGroup): def example(self): self.get_players() # traded_price = [] lowest_bidder = models.IntegerField() # 最も低い売り値を入札した人の番号を保存 lowest_bid = models.CurrencyField(initial=10000000) # 最も低い売り値を記録，初期値は適当にありえない額面を設定 highest_asker = models.IntegerField() # 最も高い買い値を入札した人の番号を保存 highest_ask = models.CurrencyField(initial=0) # 最も高い買い値を記録.初期値として0を入れておく traded_or_not = models.BooleanField(initial=False) # 取引が行われた場合にはTrueそうでないならFalseを返す．取引の有無で文章の表示変えるために必要. history_of_traded_price = models.LongStringField(initial='') history_of_traded_bidder = models.LongStringField(initial='') history_of_traded_asker = models.LongStringField(initial='') average_of_traded_price = models.CurrencyField() num_of_trade = models.IntegerField(initial=0) dividend_per_stock = models.CurrencyField() # dividend_per_stock = models.CurrencyField() # def some_method(self): # self.dividend_per_stock = 250*c(random.randint(0, 1)) class Player(BasePlayer): money = models.CurrencyField(initial=10000) num_stocks = models.IntegerField(initial=10) dividend = models.CurrencyField() def live_auction(self, data): # HTMLから渡されたデータを処理する為の関数 # リアルタイム取引で必要な処理を定義していく group = self.group # notationを軽くするための処理 my_id = self.id_in_group # 上に同じ num_of_trade = self.subsession.num_of_trade t = data['type'] # 上に同じ if t == 'bid': # HTMLから渡されたデータのtypeが売り値の時の処理 bid = data['value'] # notationを軽くするための処理 if self.num_stocks < 1: # 株式を持っていないのに売ろうとしたときの処理 response = dict(type='not_stock') return {my_id: response} elif my_id == group.highest_asker: response = dict(type='you_are_top_asker') return {my_id: response} elif bid < group.lowest_bid: # 売り値が現在の最低売り値より低い時の処理 group.lowest_bid = bid # 最低売り値額を更新しておく group.lowest_bidder = my_id # 最低売り値入札者を更新しておく Constants.bids[my_id] = bid # 最も低い売り値を格納していく response = dict(type='bid', id_in_group=my_id, bid=bid) # HTMLに返す変数をそれぞれ格納 if my_id == group.highest_asker: response = dict(type='you_are_top_asker') return {my_id: response} elif bid <= group.highest_ask: # 取引成立した時 num_of_trade += 1 group.traded_or_not = True # 取引が成立した場合の文章を表示させるためにTrueにしておく traded_asker = group.highest_asker traded_price = group.highest_ask traded_bidder = my_id group.history_of_traded_bidder += str(my_id) + ',' group.history_of_traded_asker += str(group.highest_asker) + ',' group.history_of_traded_price += str(traded_price) + ',' Constants.price_box[len(group.history_of_traded_price)] = traded_price for p in group.get_players(): # 各被験者の株式と所持金についての処理 if self.round_number == 1: # ラウンド一回目の場合に処理は単純に株式と所持金に加減すればいい if p.id_in_group == group.lowest_bidder: # 取引に成功した売り手の処理 p.money = p.money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: # 取引に成功した買い手の処理 p.money = p.money - traded_price p.num_stocks += 1 elif self.round_number > 1 and num_of_trade == 0: # ラウンド2回目以降は計算するにあたって所有株と所持金は前のラウンドの値を呼び出して処理する必要がある if p.id_in_group == group.lowest_bidder: # 売り手の処理 p.money = p.in_round(self.round_number - 1).money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: # 買い手の処理 p.money = p.in_round(self.round_number - 1).money - traded_price p.num_stocks += 1 else: # それ以外の人の処理 p.money = p.in_round(self.round_number - 1).money elif self.round_number > 1 and num_of_trade > 0: if p.id_in_group == group.lowest_bidder: # 取引に成功した売り手の処理 p.money = p.money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: # 取引に成功した買い手の処理 p.money = p.money - traded_price p.num_stocks += 1 response_to_all = dict( type='trade_success', top_bidder=group.lowest_bidder, top_asker=group.highest_asker, traded_price=traded_price, top_bidder_money=group.get_player_by_id(group.lowest_bidder).money, top_asker_money=group.get_player_by_id(group.highest_asker).money, top_bidder_stocks=group.get_player_by_id(group.lowest_bidder).num_stocks, top_asker_stocks=group.get_player_by_id(group.highest_asker).num_stocks ) group.lowest_bid = 10000000 group.lowest_bidder = None group.highest_ask = 0 group.highest_asker = None bids = {} asks = {} return {0: response_to_all} return {0: response} # HTMLに処理したデータを送り返す elif t == 'ask': # HTMLから受けとったデータのタイプが買い値の時の処理．基本的には売り値の時の逆 ask = data['value'] # notationを軽くするための処理 if ask > self.money: # 買い値が所持金より高い場合の処理 response = dict(type='no_money') print('kiteruyo') return {my_id: response} elif my_id == group.lowest_bidder: response = dict(type='you_are_top_bidder') return {my_id: response} elif ask > group.highest_ask: # 買い値が更新された時の処理 group.highest_ask = ask # 買い値を更新しておく group.highest_asker = my_id # 買い手を更新しておく Constants.asks[my_id] = ask # 買い値を記録しておく response = dict(type='ask', id_in_group=my_id, ask=ask) # HTMLに返す変数をそれぞれ格納 if my_id == group.lowest_bidder: response = dict(type='you_are_top_bidder') return {my_id: response} elif ask >= group.lowest_bid: # 取引成立した時 num_of_trade += 1 group.traded_or_not = True # 次のページの文章を変更する為に取引成立をTrueにしておく traded_bidder = group.lowest_bidder traded_asker = my_id traded_price = group.lowest_bid group.history_of_traded_bidder += str(group.lowest_bidder) + ',' group.history_of_traded_asker += str(my_id) + ',' group.history_of_traded_price += str(traded_price) + ',' Constants.price_box[len(group.history_of_traded_price)] = traded_price for p in group.get_players(): if self.round_number == 1: if p.id_in_group == group.lowest_bidder: p.money = p.money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: p.money = p.money - traded_price p.num_stocks += 1 elif self.round_number > 1 and num_of_trade == 0: if p.id_in_group == group.lowest_bidder: p.money = p.in_round(self.round_number - 1).money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: p.money = p.in_round(self.round_number - 1).money - traded_price p.num_stocks += 1 else: p.money = p.in_round(self.round_number - 1).money elif self.round_number > 1 and num_of_trade > 0: if p.id_in_group == group.lowest_bidder: # 取引に成功した売り手の処理 p.money = p.money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: # 取引に成功した買い手の処理 p.money = p.money - traded_price p.num_stocks += 1 response_to_all = dict( type='trade_success', top_bidder=group.lowest_bidder, top_asker=group.highest_asker, traded_price=traded_price, top_bidder_money=group.get_player_by_id(group.lowest_bidder).money, top_asker_money=group.get_player_by_id(group.highest_asker).money, top_bidder_stocks=group.get_player_by_id(group.lowest_bidder).num_stocks, top_asker_stocks=group.get_player_by_id(group.highest_asker).num_stocks ) group.lowest_bid = 10000000 group.lowest_bidder = None group.highest_ask = 0 group.highest_asker = None bids = {} asks = {} return {0: response_to_all} return {0: response} # elif t == 'cancel': #HTMLからキャンセルタイプが送られた時の処理 # if my_id in Constants.bids: #キャンセルした被験者が売り手の場合の処理 # Constants.bids.pop(my_id) #売り手の一覧から消去 # if len(Constants.bids) == 0: #売り手の一覧が0人の場合の処理 # group.lowest_bid = 10000000 #最低売り値を初期値に戻しておく # response = dict(type='all_cancel', id_in_group=my_id) # return {0:response} # else: #売り手の一覧に被験者が一人でもいるときの処理 # group.lowest_bid = min(Constants.bids.values()) #キャンセルした被験者を除いた中で一番低い売り値を最低売り値に設定 # if my_id in Constants.asks: #キャンセルした被験者が買い手の場合の処理 # Constants.asks.pop(my_id) #買い手の一覧から消去 # if len(Constants.asks) == 0: #買い手の一覧が0人の場合の処理 # group.highest_ask = 0 #最高買い値を初期値に戻しておく # response = dict(type='all_cancel', id_in_group=my_id) # return{0:response} # else: # group.highest_ask = max(Constants.asks.values()) #キャンセルした被験者を除いたなかで最も高い買い値を最高買い値に設定 # response = dict(type='cancel', id_in_group=my_id) # return {0: response} elif t == 'bid_accept': # 売り値が承諾された時の処理 if group.get_player_by_id(my_id).money < group.lowest_bid: response = dict(type='no_money') return {my_id: response} elif my_id != group.lowest_bidder: # 承諾した被験者と売り手のIDが違うことをチェック，同じなら処理は行わない num_of_trade += 1 group.traded_or_not = True # 取引成立をTrueにしておく group.highest_ask = group.lowest_bid # 買い値最高額を取引額に更新 group.highest_asker = my_id # 最高額の買い手を承諾を押した被験者に更新 traded_asker = my_id traded_bidder = group.lowest_bidder traded_price = group.lowest_bid group.history_of_traded_bidder += str(group.lowest_bidder) + ',' group.history_of_traded_asker += str(my_id) + ',' group.history_of_traded_price += str(traded_price) + ',' Constants.price_box[len(group.history_of_traded_price)] = traded_price for p in group.get_players(): if self.round_number == 1: if p.id_in_group == group.lowest_bidder: p.money = p.money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: p.money = p.money - traded_price p.num_stocks += 1 elif self.round_number > 1 and num_of_trade == 0: if p.id_in_group == group.lowest_bidder: p.money = p.in_round(self.round_number - 1).money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: p.money = p.in_round(self.round_number - 1).money - traded_price p.num_stocks += 1 else: p.money = p.in_round(self.round_number - 1).money elif self.round_number > 1 and num_of_trade > 0: if p.id_in_group == group.lowest_bidder: # 取引に成功した売り手の処理 p.money = p.money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: # 取引に成功した買い手の処理 p.money = p.money - traded_price p.num_stocks += 1 response_to_all = dict( type='trade_success', top_bidder=group.lowest_bidder, top_asker=group.highest_asker, traded_price=traded_price, top_bidder_money=group.get_player_by_id(group.lowest_bidder).money, top_asker_money=group.get_player_by_id(group.highest_asker).money, top_bidder_stocks=group.get_player_by_id(group.lowest_bidder).num_stocks, top_asker_stocks=group.get_player_by_id(group.highest_asker).num_stocks ) group.lowest_bid = 10000000 group.lowest_bidder = None group.highest_ask = 0 group.highest_asker = None bids = {} asks = {} return {0: response_to_all} elif t == 'ask_accept': # 買い値が承諾された時の処理，基本的に売り値が承諾された時と同じ処理を行う if group.get_player_by_id(my_id).num_stocks < 1: response = dict(type='not_stock') return {my_id: response} elif my_id != group.highest_asker: num_of_trade += 1 group.lowest_bidder = my_id group.lowest_bid = group.highest_ask group.traded_or_not = True traded_price = group.highest_ask traded_bidder = my_id traded_asker = group.highest_asker group.history_of_traded_bidder += str(my_id) + ',' group.history_of_traded_asker += str(group.highest_asker) + ',' group.history_of_traded_price += str(traded_price) + ',' Constants.price_box[len(group.history_of_traded_price)] = traded_price for p in group.get_players(): # 各被験者の株式と所持金についての処理 if self.round_number == 1: # ラウンド一回目の場合に処理は単純に株式と所持金に加減すればいい if p.id_in_group == group.lowest_bidder: # 取引に成功した売り手の処理 p.money = p.money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: # 取引に成功した買い手の処理 p.money = p.money - traded_price p.num_stocks += 1 elif self.round_number > 1 and num_of_trade == 0: # ラウンド2回目以降は計算するにあたって所有株と所持金は前のラウンドの値を呼び出して処理する必要がある if p.id_in_group == group.lowest_bidder: # 売り手の処理 p.money = p.in_round(self.round_number - 1).money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: # 買い手の処理 p.money = p.in_round(self.round_number - 1).money - traded_price p.num_stocks += 1 else: # それ以外の人の処理 p.money = p.in_round(self.round_number - 1).money elif self.round_number > 1 and num_of_trade > 0: if p.id_in_group == group.lowest_bidder: # 取引に成功した売り手の処理 p.money = p.money + traded_price p.num_stocks -= 1 elif p.id_in_group == group.highest_asker: # 取引に成功した買い手の処理 p.money = p.money - traded_price p.num_stocks += 1 response_to_all = dict( type='trade_success', top_bidder=group.lowest_bidder, top_asker=group.highest_asker, traded_price=traded_price, top_bidder_money=group.get_player_by_id(group.lowest_bidder).money, top_asker_money=group.get_player_by_id(group.highest_asker).money, top_bidder_stocks=group.get_player_by_id(group.lowest_bidder).num_stocks, top_asker_stocks=group.get_player_by_id(group.highest_asker).num_stocks ) group.lowest_bid = 10000000 group.lowest_bidder = None group.highest_ask = 0 group.highest_asker = None bids = {} asks = {} return {0: response_to_all} class Bid(ExtraModel): # 必要ない気がするけどとりあえず残しておく player = models.Link(Player) group = models.Link(Group)