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44 lines
1.8 KiB
Python
44 lines
1.8 KiB
Python
from playwright.async_api import Page
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from skyvern.forge import app
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from skyvern.forge.async_operations import AsyncOperation
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from skyvern.forge.sdk.models import Organization, Step, StepStatus
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from skyvern.forge.sdk.schemas.tasks import Task, TaskStatus
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class AgentFunction:
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async def validate_step_execution(
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self,
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task: Task,
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step: Step,
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) -> None:
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"""
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Checks if the step can be executed.
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:return: A tuple of whether the step can be executed and a list of reasons why it can't be executed.
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"""
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reasons = []
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# can't execute if task status is not running
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has_valid_task_status = task.status == TaskStatus.running
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if not has_valid_task_status:
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reasons.append(f"invalid_task_status:{task.status}")
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# can't execute if the step is already running or completed
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has_valid_step_status = step.status in [StepStatus.created, StepStatus.failed]
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if not has_valid_step_status:
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reasons.append(f"invalid_step_status:{step.status}")
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# can't execute if the task has another step that is running
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steps = await app.DATABASE.get_task_steps(task_id=task.task_id, organization_id=task.organization_id)
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has_no_running_steps = not any(step.status == StepStatus.running for step in steps)
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if not has_no_running_steps:
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reasons.append(f"another_step_is_running_for_task:{task.task_id}")
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can_execute = has_valid_task_status and has_valid_step_status and has_no_running_steps
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if not can_execute:
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raise Exception(f"Cannot execute step. Reasons: {reasons}, Step: {step}")
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def generate_async_operations(
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self,
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organization: Organization,
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task: Task,
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page: Page,
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) -> list[AsyncOperation]:
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return []
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