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


author = 'Your name here'

doc = """
Your app description
"""


class Constants(BaseConstants):
    name_in_url = 'my_examples'
    players_per_group = None
    num_rounds = 1


class Subsession(BaseSubsession):
    def example(self):

        # current subsession object
        self

        # parent objects
        self.session

        # child objects
        self.get_groups()
        self.get_players()

        # accessing previous Subsession objects
        self.in_previous_rounds()
        self.in_all_rounds()

class Group(BaseGroup):
    def example(self):

        # current group object
        self

        # parent objects
        self.session
        self.subsession

        # child objects
        self.get_players()

class Player(BasePlayer):

    def example(self):

        # current player object
        self

        # method you defined on the current object
        self.my_custom_method()

        # parent objects
        self.session
        self.subsession
        self.group
        self.participant

        self.session.config

        # accessing previous player objects
        self.in_previous_rounds()

        # equivalent to self.in_previous_rounds() + [self]
        self.in_all_rounds()