from otree.api import (
    models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer,
    Currency as c, currency_range
)

doc = ''
class Constants(BaseConstants):
    name_in_url = 'Invest'
    players_per_group = None
    num_rounds = 40
class Subsession(BaseSubsession):
    pass
class Group(BaseGroup):
    pass
class Player(BasePlayer):
    Invest = models.IntegerField(initial=0, label='您现在打算买进多少股票', min=0)
    Guess = models.IntegerField(label='您认为这个股市中出现“牛市”的概率是百分之多少？（0至100中选择）', max=100, min=0)
    price = models.FloatField(initial=10)
    Cash = models.FloatField(initial=1000)
    sell = models.IntegerField(initial=0, label='您现在打算卖出多少股票？')
    Stock = models.IntegerField(initial=0)
    Total = models.FloatField(initial=1000)
    Right = models.IntegerField(initial=0)
    q = models.IntegerField(initial=2)
    def Price_history(self):
        
        return [g.price for g in self.in_previous_rounds()]
def custom_export(players):
    yield ['participant_code', 'id_in_group']
    for p in players:
        pp = p.participant
        yield [pp.code, p.id_in_group]