Skyvern/skyvern/forge/sdk/workflow/context_manager.py
2024-03-01 10:09:30 -08:00

79 lines
3.1 KiB
Python

from typing import TYPE_CHECKING, Any
import structlog
from skyvern.forge.sdk.api.aws import AsyncAWSClient
from skyvern.forge.sdk.workflow.models.parameter import PARAMETER_TYPE, Parameter, ParameterType, WorkflowParameter
if TYPE_CHECKING:
from skyvern.forge.sdk.workflow.models.workflow import WorkflowRunParameter
LOG = structlog.get_logger()
class ContextManager:
aws_client: AsyncAWSClient
parameters: dict[str, PARAMETER_TYPE]
values: dict[str, Any]
def __init__(self, workflow_parameter_tuples: list[tuple[WorkflowParameter, "WorkflowRunParameter"]]) -> None:
self.aws_client = AsyncAWSClient()
self.parameters = {}
self.values = {}
for parameter, run_parameter in workflow_parameter_tuples:
if parameter.key in self.parameters:
prev_value = self.parameters[parameter.key]
new_value = run_parameter.value
LOG.error(
f"Duplicate parameter key {parameter.key} found while initializing context manager, previous value: {prev_value}, new value: {new_value}. Using new value."
)
self.parameters[parameter.key] = parameter
self.values[parameter.key] = run_parameter.value
async def register_parameter_value(
self,
parameter: PARAMETER_TYPE,
) -> None:
if parameter.parameter_type == ParameterType.WORKFLOW:
LOG.error(f"Workflow parameters are set while initializing context manager. Parameter key: {parameter.key}")
raise ValueError(
f"Workflow parameters are set while initializing context manager. Parameter key: {parameter.key}"
)
elif parameter.parameter_type == ParameterType.AWS_SECRET:
secret_value = await self.aws_client.get_secret(parameter.aws_key)
if secret_value is not None:
self.values[parameter.key] = secret_value
else:
# ContextParameter values will be set within the blocks
return None
async def register_block_parameters(
self,
parameters: list[PARAMETER_TYPE],
) -> None:
for parameter in parameters:
if parameter.key in self.parameters:
LOG.debug(f"Parameter {parameter.key} already registered, skipping")
continue
if parameter.parameter_type == ParameterType.WORKFLOW:
LOG.error(
f"Workflow parameter {parameter.key} should have already been set through workflow run parameters"
)
raise ValueError(
f"Workflow parameter {parameter.key} should have already been set through workflow run parameters"
)
self.parameters[parameter.key] = parameter
await self.register_parameter_value(parameter)
def get_parameter(self, key: str) -> Parameter:
return self.parameters[key]
def get_value(self, key: str) -> Any:
return self.values[key]
def set_value(self, key: str, value: Any) -> None:
self.values[key] = value