[Enhancement] Refine mmcls rewriting (open-mmlab#106)

* fix mmcls head

* fix lint

mmdeploy/mmcls/models/heads/__init__.py

@@ -1,13 +1,4 @@
-from .cls_head import simple_test_of_cls_head
-from .linear_head import simple_test_of_linear_head
-from .multi_label_head import simple_test_of_multi_label_head
-from .multi_label_linear_head import simple_test_of_multi_label_linear_head
-from .stacked_head import simple_test_of_stacked_head
-from .vision_transformer_head import simple_test_of_vision_transformer_head
+from .cls_head import post_process_of_cls_head
+from .multi_label_head import post_process_of_multi_label_head
 
-__all__ = [
-    'simple_test_of_multi_label_linear_head',
-    'simple_test_of_multi_label_head', 'simple_test_of_cls_head',
-    'simple_test_of_linear_head', 'simple_test_of_stacked_head',
-    'simple_test_of_vision_transformer_head'
-]
+__all__ = ['post_process_of_cls_head', 'post_process_of_multi_label_head']

mmdeploy/mmcls/models/heads/cls_head.py

@@ -1,13 +1,7 @@
-import torch.nn.functional as F
-
 from mmdeploy.core import FUNCTION_REWRITER
 
 
 @FUNCTION_REWRITER.register_rewriter(
-    func_name='mmcls.models.heads.ClsHead.simple_test')
-def simple_test_of_cls_head(ctx, self, cls_score, **kwargs):
-    """Test without augmentation."""
-    if isinstance(cls_score, list):
-        cls_score = sum(cls_score) / float(len(cls_score))
-    pred = F.softmax(cls_score, dim=1) if cls_score is not None else None
+    func_name='mmcls.models.heads.ClsHead.post_process')
+def post_process_of_cls_head(ctx, self, pred, **kwargs):
     return pred

mmdeploy/mmcls/models/heads/multi_label_head.py

@@ -1,12 +1,7 @@
-import torch.nn.functional as F
-
 from mmdeploy.core import FUNCTION_REWRITER
 
 
 @FUNCTION_REWRITER.register_rewriter(
-    func_name='mmcls.models.heads.MultiLabelClsHead.simple_test')
-def simple_test_of_multi_label_head(ctx, self, cls_score, **kwargs):
-    if isinstance(cls_score, list):
-        cls_score = sum(cls_score) / float(len(cls_score))
-    pred = F.sigmoid(cls_score) if cls_score is not None else None
+    func_name='mmcls.models.heads.MultiLabelClsHead.post_process')
+def post_process_of_multi_label_head(ctx, self, pred, **kwargs):
     return pred