重构pipeline的UI架构,支持后续pipeline的动态拓展

web/pipelines/base.py

@@ -0,0 +1,57 @@
+# Copyright (C) 2025 AIDC-AI
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#     http://www.apache.org/licenses/LICENSE-2.0
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""
+Pipeline UI Base & Registry
+
+Defines the PipelineUI protocol and the registration mechanism.
+"""
+
+from typing import Dict, Any, List, Type
+
+class PipelineUI:
+    """
+    Base class for Pipeline UI plugins.
+    
+    Each pipeline should implement a subclass to define its own full-page UI.
+    """
+    name: str = "base"
+    display_name: str = "Base Pipeline"
+    icon: str = "🔌"
+    description: str = ""
+    
+    def render(self, pixelle_video: Any):
+        """
+        Render the full page content for this pipeline (below settings).
+        
+        Args:
+            pixelle_video: The initialized PixelleVideoCore instance.
+        """
+        raise NotImplementedError
+
+
+# ==================== Registry ====================
+
+_pipeline_uis: Dict[str, PipelineUI] = {}
+
+def register_pipeline_ui(ui_class: Type[PipelineUI]):
+    """Register a pipeline UI class"""
+    instance = ui_class()
+    _pipeline_uis[instance.name] = instance
+
+def get_pipeline_ui(name: str) -> PipelineUI:
+    """Get a pipeline UI instance by name"""
+    return _pipeline_uis.get(name)
+
+def get_all_pipeline_uis() -> List[PipelineUI]:
+    """Get all registered pipeline UI instances"""
+    return list(_pipeline_uis.values())