[to #42322933] add cv_resnet50_live-category to maas lib

由于全规需要，修改了透出标签，将后台类目映射为前台类目，并修改了代码，不再透出层级类目，只透出最终细分类目。
        Link: https://code.alibaba-inc.com/Ali-MaaS/MaaS-lib/codereview/9615279

modelscope/outputs.py

@@ -159,10 +159,17 @@ TASK_OUTPUTS = {
     # }
     Tasks.action_recognition: [OutputKeys.LABELS],
 
+    # live category recognition result for single video
+    # {
+    #       "scores": [0.885272, 0.014790631, 0.014558001],
+    #       'labels': ['修身型棉衣', '高腰牛仔裤', '休闲连体裤']
+    # }
+    Tasks.live_category: [OutputKeys.SCORES, OutputKeys.LABELS],
+
     # video category recognition result for single video
     # {
-    #       "scores": [0.7716429233551025]
-    #       "labels": ['生活>>好物推荐'],
+    #       "scores": [0.7716429233551025],
+    #       "labels": ['生活>>好物推荐']
     # }
     Tasks.video_category: [OutputKeys.SCORES, OutputKeys.LABELS],
 

modelscope/pipelines/cv/live_category_pipeline.py

@@ -85,7 +85,7 @@ class LiveCategoryPipeline(Pipeline):
             for label_key in label_keys:
                 if label_info[label_key] not in label_str:
                     label_str.append(label_info[label_key])
-            labels.append('>>'.join(label_str))
+            labels.append(label_str[-1])
         return {OutputKeys.SCORES: list(scores), OutputKeys.LABELS: labels}
 
     def postprocess(self, inputs: Dict[str, Any]) -> Dict[str, Any]:

modelscope/utils/constant.py

@@ -61,7 +61,6 @@ class CVTasks(object):
     video_category = 'video-category'
 
     video_embedding = 'video-embedding'
-
     virtual_try_on = 'virtual-try-on'