ruff

src/langbot/pkg/workflow/nodes/loop.py

@@ -12,51 +12,57 @@ from ..node import WorkflowNode, workflow_node, NodePort, NodeConfig
 class LoopNode(WorkflowNode):
     """Loop node - iterate over items"""
 
-    type_name = "loop"
-    category = "control"
-    icon = "🔁"
-    name = "loop"
-    name_zh = "循环"
-    name_en = "Loop"
-    description = "loop"
-    description_zh = "遍历项目或重复直到满足条件"
-    description_en = "Iterate over items or repeat until condition"
+    type_name = 'loop'
+    category = 'control'
+    icon = '🔁'
+    name = 'loop'
+    name_zh = '循环'
+    name_en = 'Loop'
+    description = 'loop'
+    description_zh = '遍历项目或重复直到满足条件'
+    description_en = 'Iterate over items or repeat until condition'
 
     inputs: ClassVar[list[NodePort]] = [
-        NodePort(name="items", type="array", description="Items to iterate over", required=False),
+        NodePort(name='items', type='array', description='Items to iterate over', required=False),
     ]
     outputs: ClassVar[list[NodePort]] = [
-        NodePort(name="item", type="any", description="Current item in iteration"),
-        NodePort(name="index", type="number", description="Current iteration index"),
-        NodePort(name="results", type="array", description="All iteration results"),
-        NodePort(name="completed", type="boolean", description="Whether loop completed"),
+        NodePort(name='item', type='any', description='Current item in iteration'),
+        NodePort(name='index', type='number', description='Current iteration index'),
+        NodePort(name='results', type='array', description='All iteration results'),
+        NodePort(name='completed', type='boolean', description='Whether loop completed'),
     ]
     config_schema: ClassVar[list[NodeConfig]] = [
         NodeConfig(
-            name="loop_type", type="select", required=True, default="foreach",
-            description="Type of loop",
-            label={"en_US": "Loop Type", "zh_Hans": "循环类型"},
-            options=["foreach", "while", "count"],
+            name='loop_type',
+            type='select',
+            required=True,
+            default='foreach',
+            description='Type of loop',
+            label={'en_US': 'Loop Type', 'zh_Hans': '循环类型'},
+            options=['foreach', 'while', 'count'],
         ),
         NodeConfig(
-            name="max_iterations", type="integer", required=False, default=100,
-            description="Maximum iterations (safety limit)",
-            label={"en_US": "Max Iterations", "zh_Hans": "最大迭代次数"},
+            name='max_iterations',
+            type='integer',
+            required=False,
+            default=100,
+            description='Maximum iterations (safety limit)',
+            label={'en_US': 'Max Iterations', 'zh_Hans': '最大迭代次数'},
         ),
     ]
 
     async def execute(self, inputs: dict[str, Any], context: ExecutionContext) -> dict[str, Any]:
-        items = inputs.get("items", [])
+        items = inputs.get('items', [])
         if not isinstance(items, list):
             items = [items] if items else []
 
-        max_iterations = self.get_config("max_iterations", 100)
+        max_iterations = self.get_config('max_iterations', 100)
         items = items[:max_iterations]
 
         return {
-            "item": items[0] if items else None,
-            "index": 0,
-            "results": [],
-            "completed": len(items) == 0,
-            "_items": items,
+            'item': items[0] if items else None,
+            'index': 0,
+            'results': [],
+            'completed': len(items) == 0,
+            '_items': items,
         }