Captcha

toloka.client.collectors.Captcha | Source code

Captcha(
    self,
    *,
    uuid: Optional[UUID] = None,
    history_size: Optional[int] = None
)
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Deprecated. Collects captcha statistics for every Toloker.

Captcha provides an advanced protection against robots. It is used with conditions:

• StoredResultsCount — How many times the Toloker entered a captcha.
• SuccessRate — The percentage of solved captchas.
• FailRate — The percentage of unsolved captchas.

The collector can be used with actions:

• RestrictionV2 blocks access to projects or pools.
• ApproveAllAssignments accepts all Toloker's assignments.
• RejectAllAssignments rejects all Toloker's assignments.
• SetSkill sets Toloker's skill value.
• SetSkillFromOutputField sets Toloker's skill value using an output field.

Parameters description

Examples:

The example shows how to block Toloker's access to the project for 15 days if they solve 60% of captchas or less. The rule is applied after entering at least 3 captchas.

new_pool = toloka.client.pool.Pool()
new_pool.set_captcha_frequency('MEDIUM')
new_pool.quality_control.add_action(
    collector=toloka.client.collectors.Captcha(history_size=5),
    conditions=[
        toloka.client.conditions.SuccessRate < 60,
        toloka.client.conditions.StoredResultsCount >= 3,
    ],
    action=toloka.client.actions.RestrictionV2(
        scope=toloka.client.user_restriction.UserRestriction.PROJECT,
        duration=15,
        duration_unit='DAYS',
        private_comment='Toloker often makes mistakes in captcha',
    )
)
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Last updated: August 28, 2023