Issues with bots

[Inbal]

Hi everyone,

I'm trying to write bots for my app, but run into two issues:

* There are pages whose execution depends on a few constants. They work fine when I'm testing the app by myself, but when I try running bots with the same if statements, I get an error message that the bot expected to be on another page.

* How can I define dead-ends for bots? (e.g., some participants are screened out because of full quotas or wrong answers to attention checks, so I want bots simulating those participants to remain on pages that don't have a next button)

 

Best,

Inbal 

[Chris @ oTree]

On Monday, July 19, 2021 at 12:09:57 PM UTC-6 Inbal wrote:

Hi everyone,

I'm trying to write bots for my app, but run into two issues:

* There are pages whose execution depends on a few constants. They work fine when I'm testing the app by myself, but when I try running bots with the same if statements, I get an error message that the bot expected to be on another page.

This is working fine on my end; many of the sample games have bots that use if-statements also: https://github.com/oTree-org/otree

Can you provide some minimal sample code that reproduces the issue?

* How can I define dead-ends for bots? (e.g., some participants are screened out because of full quotas or wrong answers to attention checks, so I want bots simulating those participants to remain on pages that don't have a next button)

In subsequent apps, you should use an if-statement that depends on whether they were screened out (using the participant field you define yourself):

if not self.participant.screened_out:

  yield Page1

  yield Page2

  # etc...

 

 

Best,

Inbal 

[Inbal]

Thanks Chris!

Sure.

On pages I have:

class Policy_Choice_No_Social_Info(Page):
    def is_displayed(self):
        return self.player.is_policy_choice==1 and (Constants.pre_survey == True or self.player.is_control == True)

    form_model = 'player'
    form_fields = ['policy_choice']


class Policy_Choice(Page):
    def is_displayed(self):
        return self.player.is_policy_choice==1 and Constants.pre_survey == False and self.player.is_control == False # display this page at policy choice rounds, when there is social info

    form_model = 'player'
    form_fields = ['policy_choice']

 

So in tests I define accordingly:

# Policy Choice No Social Info

if self.player.is_policy_choice == 1 and (Constants.pre_survey == True or self.player.is_control == True):
    my_policy_choice = random.randint(0,1)
    yield Submission(pages.Policy_Choice_No_Social_Info, dict(policy_choice=my_policy_choice), check_html=False) # this disables the HTML check on the page, as there is a button added dynamically with JavaScript

# Policy Choice:

if self.player.is_policy_choice == 1 and Constants.pre_survey == False and self.player.is_control == False:
    my_policy_choice = random.randint(0, 1)
    yield Submission(pages.Policy_Choice_No_Social_Info, dict(policy_choice=my_policy_choice), check_html=False) # this disables the HTML check on the page, as there is a button added dynamically with JavaScript

 

Thank you!

Best,

Inbal 

[Chris @ oTree]

Both of those yield statements submit  Policy_Choice_No_Social_Info...

[ענבל דקל‎]

Thank you, Chris!!

Another question: I want to allow a bot to respond with None to a form field, so I tried:

if self.player.is_policy_choice == 0 and self.round_number == self.participant.vars['task_choice_round_indices'][0]:


    my_attention_a = random.randint(0, 7)

    my_attention_b = ''.join(random.choices(string.ascii_letters + string.digits + string.punctuation, k=3))

    if self.player.id_in_group == 2:

        # testing several cases of wrong answers to attention checks

        attention_a = {

            'wrong_random_number': my_attention_a,

            'blank': None

        }[self.case]


        attention_b = {

            'wrong_random_string': my_attention_b,

            'blank': None

        }[self.case]


        yield pages.Part_B, dict(attention_check_a=attention_a, attention_check_b=attention_b)

 

elif self.player.id_in_group > 2:

    yield pages.Part_B, dict(attention_check_a=None, attention_check_b="כן")

 

But that gives me a "KeyError None" message for the bot whose id_in_group is 2.

How can I solve this?

Best,

Inbal

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[Chris @ oTree]

Rather than submitting None, just try omitting that key altogether. Otherwise, please show the traceback of that KeyError.

[ענבל דקל‎]

Thanks, Chris! I removed it from 'cases' and then it worked fine.

Best,

Inbal

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