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refactor: strip external imports in workflow template transform (#32017)

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This commit is contained in:
99
2026-02-06 10:37:26 +08:00
committed by GitHub
parent 095b3ee234
commit 45164ce33e
4 changed files with 15 additions and 6 deletions
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13
api/core/workflow/nodes/template_transform/template_transform_node.py
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@ -1,7 +1,6 @@
from collections.abc import Mapping, Sequence
from typing import TYPE_CHECKING, Any
from configs import dify_config
from core.workflow.enums import NodeType, WorkflowNodeExecutionStatus
from core.workflow.node_events import NodeRunResult
from core.workflow.nodes.base.node import Node
@ -16,12 +15,13 @@ if TYPE_CHECKING:
from core.workflow.entities import GraphInitParams
from core.workflow.runtime import GraphRuntimeState
MAX_TEMPLATE_TRANSFORM_OUTPUT_LENGTH = dify_config.TEMPLATE_TRANSFORM_MAX_LENGTH
DEFAULT_TEMPLATE_TRANSFORM_MAX_OUTPUT_LENGTH = 400_000
class TemplateTransformNode(Node[TemplateTransformNodeData]):
node_type = NodeType.TEMPLATE_TRANSFORM
_template_renderer: Jinja2TemplateRenderer
_max_output_length: int
def __init__(
self,
@ -31,6 +31,7 @@ class TemplateTransformNode(Node[TemplateTransformNodeData]):
graph_runtime_state: "GraphRuntimeState",
*,
template_renderer: Jinja2TemplateRenderer | None = None,
max_output_length: int | None = None,
) -> None:
super().__init__(
id=id,
@ -40,6 +41,10 @@ class TemplateTransformNode(Node[TemplateTransformNodeData]):
)
self._template_renderer = template_renderer or CodeExecutorJinja2TemplateRenderer()
if max_output_length is not None and max_output_length <= 0:
raise ValueError("max_output_length must be a positive integer")
self._max_output_length = max_output_length or DEFAULT_TEMPLATE_TRANSFORM_MAX_OUTPUT_LENGTH
@classmethod
def get_default_config(cls, filters: Mapping[str, object] | None = None) -> Mapping[str, object]:
"""
@ -69,11 +74,11 @@ class TemplateTransformNode(Node[TemplateTransformNodeData]):
except TemplateRenderError as e:
return NodeRunResult(inputs=variables, status=WorkflowNodeExecutionStatus.FAILED, error=str(e))
if len(rendered) > MAX_TEMPLATE_TRANSFORM_OUTPUT_LENGTH:
if len(rendered) > self._max_output_length:
return NodeRunResult(
inputs=variables,
status=WorkflowNodeExecutionStatus.FAILED,
error=f"Output length exceeds {MAX_TEMPLATE_TRANSFORM_OUTPUT_LENGTH} characters",
error=f"Output length exceeds {self._max_output_length} characters",
)
return NodeRunResult(