Skyvern/skyvern/agent/agent.py
Shuchang Zheng 83ad2adabd
Rename old router to legacy_base_router (#2048)
Co-authored-by: Suchintan Singh <suchintansingh@gmail.com>
2025-03-31 02:57:54 -04:00

189 lines
7.4 KiB
Python

import asyncio
from dotenv import load_dotenv
from skyvern.forge import app
from skyvern.forge.sdk.core import security, skyvern_context
from skyvern.forge.sdk.core.skyvern_context import SkyvernContext
from skyvern.forge.sdk.db.enums import OrganizationAuthTokenType
from skyvern.forge.sdk.schemas.organizations import Organization
from skyvern.forge.sdk.schemas.task_v2 import TaskV2, TaskV2Request, TaskV2Status
from skyvern.forge.sdk.schemas.tasks import CreateTaskResponse, Task, TaskRequest, TaskResponse, TaskStatus
from skyvern.forge.sdk.services.org_auth_token_service import API_KEY_LIFETIME
from skyvern.forge.sdk.workflow.models.workflow import WorkflowRunStatus
from skyvern.services import task_v2_service
from skyvern.utils import migrate_db
class SkyvernAgent:
def __init__(self) -> None:
load_dotenv(".env")
migrate_db()
async def _get_organization(self) -> Organization:
organization = await app.DATABASE.get_organization_by_domain("skyvern.local")
if not organization:
organization = await app.DATABASE.create_organization(
organization_name="Skyvern-local",
domain="skyvern.local",
max_steps_per_run=10,
max_retries_per_step=3,
)
api_key = security.create_access_token(
organization.organization_id,
expires_delta=API_KEY_LIFETIME,
)
# generate OrganizationAutoToken
await app.DATABASE.create_org_auth_token(
organization_id=organization.organization_id,
token=api_key,
token_type=OrganizationAuthTokenType.api,
)
return organization
async def _run_task(self, organization: Organization, task: Task) -> None:
org_auth_token = await app.DATABASE.get_valid_org_auth_token(
organization_id=organization.organization_id,
token_type=OrganizationAuthTokenType.api,
)
step = await app.DATABASE.create_step(
task.task_id,
order=0,
retry_index=0,
organization_id=organization.organization_id,
)
updated_task = await app.DATABASE.update_task(
task.task_id,
status=TaskStatus.running,
organization_id=organization.organization_id,
)
step, _, _ = await app.agent.execute_step(
organization=organization,
task=updated_task,
step=step,
api_key=org_auth_token.token if org_auth_token else None,
)
async def _run_task_v2(self, organization: Organization, task_v2: TaskV2) -> None:
# mark task v2 as queued
await app.DATABASE.update_task_v2(
task_v2_id=task_v2.observer_cruise_id,
status=TaskV2Status.queued,
organization_id=organization.organization_id,
)
assert task_v2.workflow_run_id
await app.DATABASE.update_workflow_run(
workflow_run_id=task_v2.workflow_run_id,
status=WorkflowRunStatus.queued,
)
await task_v2_service.run_task_v2(
organization=organization,
task_v2_id=task_v2.observer_cruise_id,
)
async def create_task(
self,
task_request: TaskRequest,
) -> CreateTaskResponse:
organization = await self._get_organization()
created_task = await app.agent.create_task(task_request, organization.organization_id)
skyvern_context.set(
SkyvernContext(
organization_id=organization.organization_id,
task_id=created_task.task_id,
max_steps_override=created_task.max_steps_per_run,
)
)
asyncio.create_task(self._run_task(organization, created_task))
return CreateTaskResponse(task_id=created_task.task_id)
async def get_task(
self,
task_id: str,
) -> TaskResponse | None:
organization = await self._get_organization()
task = await app.DATABASE.get_task(task_id, organization.organization_id)
if task is None:
return None
latest_step = await app.DATABASE.get_latest_step(task_id, organization_id=organization.organization_id)
if not latest_step:
return await app.agent.build_task_response(task=task)
failure_reason: str | None = None
if task.status == TaskStatus.failed and (task.failure_reason):
failure_reason = ""
if task.failure_reason:
failure_reason += task.failure_reason or ""
if latest_step.output is not None and latest_step.output.actions_and_results is not None:
action_results_string: list[str] = []
for action, results in latest_step.output.actions_and_results:
if len(results) == 0:
continue
if results[-1].success:
continue
action_results_string.append(f"{action.action_type} action failed.")
if len(action_results_string) > 0:
failure_reason += "(Exceptions: " + str(action_results_string) + ")"
return await app.agent.build_task_response(
task=task, last_step=latest_step, failure_reason=failure_reason, need_browser_log=True
)
async def run_task(
self,
task_request: TaskRequest,
timeout_seconds: int = 600,
) -> TaskResponse:
created_task = await self.create_task(task_request)
async with asyncio.timeout(timeout_seconds):
while True:
task_response = await self.get_task(created_task.task_id)
assert task_response is not None
if task_response.status.is_final():
return task_response
await asyncio.sleep(1)
async def observer_task_v_2(self, task_request: TaskV2Request) -> TaskV2:
organization = await self._get_organization()
task_v2 = await task_v2_service.initialize_task_v2(
organization=organization,
user_prompt=task_request.user_prompt,
user_url=str(task_request.url) if task_request.url else None,
totp_identifier=task_request.totp_identifier,
totp_verification_url=task_request.totp_verification_url,
webhook_callback_url=task_request.webhook_callback_url,
proxy_location=task_request.proxy_location,
publish_workflow=task_request.publish_workflow,
)
if not task_v2.workflow_run_id:
raise Exception("Task v2 missing workflow run id")
asyncio.create_task(self._run_task_v2(organization, task_v2))
return task_v2
async def get_observer_task_v_2(self, task_id: str) -> TaskV2 | None:
organization = await self._get_organization()
return await app.DATABASE.get_task_v2(task_id, organization.organization_id)
async def run_observer_task_v_2(self, task_request: TaskV2Request, timeout_seconds: int = 600) -> TaskV2:
task_v2 = await self.observer_task_v_2(task_request)
async with asyncio.timeout(timeout_seconds):
while True:
refreshed_task_v2 = await self.get_observer_task_v_2(task_v2.observer_cruise_id)
assert refreshed_task_v2 is not None
if refreshed_task_v2.status.is_final():
return refreshed_task_v2
await asyncio.sleep(1)