【cherry-pick】export with label (#3167)

* export with label

* modify

Author: zhangyubo0722

deploy/python/postprocess.py

@@ -164,11 +164,16 @@ def __call__(self, x, file_names=None):
 
 
 class Topk(object):
-    def __init__(self, topk=1, class_id_map_file=None, delimiter=None):
+    def __init__(self,
+                 topk=1,
+                 class_id_map_file=None,
+                 delimiter=None,
+                 label_list=None):
         assert isinstance(topk, (int, ))
         self.topk = topk
         delimiter = delimiter if delimiter is not None else " "
-        self.class_id_map = parse_class_id_map(class_id_map_file, delimiter)
+        self.class_id_map = parse_class_id_map(
+            class_id_map_file, delimiter) if not label_list else label_list
 
     def __call__(self, x, file_names=None):
         if file_names is not None:

ppcls/engine/engine.py

@@ -27,7 +27,7 @@
 from ppcls.utils.misc import AverageMeter
 from ppcls.utils import logger
 from ppcls.utils.logger import init_logger
-from ppcls.utils.config import print_config
+from ppcls.utils.config import print_config, dump_infer_config
 from ppcls.data import build_dataloader
 from ppcls.arch import build_model, RecModel, DistillationModel, TheseusLayer
 from ppcls.arch import apply_to_static
@@ -523,10 +523,9 @@ def export(self):
         else:
             paddle.jit.save(model, save_path)
         if self.config["Global"].get("export_for_fd", False):
-            src_path = self.config["Global"]["infer_config_path"]
             dst_path = os.path.join(
                 self.config["Global"]["save_inference_dir"], 'inference.yml')
-            shutil.copy(src_path, dst_path)
+            dump_infer_config(self.config, dst_path)
         logger.info(
             f"Export succeeded! The inference model exported has been saved in \"{self.config['Global']['save_inference_dir']}\"."
         )

ppcls/utils/config.py

@@ -18,6 +18,7 @@
 import yaml
 from . import logger
 from . import check
+from collections import OrderedDict
 
 __all__ = ['get_config']
 
@@ -213,3 +214,45 @@ def parse_args():
     )
     args = parser.parse_args()
     return args
+
+
+def represent_dictionary_order(self, dict_data):
+    return self.represent_mapping('tag:yaml.org,2002:map', dict_data.items())
+
+
+def setup_orderdict():
+    yaml.add_representer(OrderedDict, represent_dictionary_order)
+
+
+def dump_infer_config(config, path):
+    setup_orderdict()
+    infer_cfg = OrderedDict()
+    transforms = config["Infer"]["transforms"]
+    for transform in transforms:
+        if "NormalizeImage" in transform:
+            transform["NormalizeImage"]["channel_num"] = 3
+    infer_cfg["PreProcess"] = {
+        "transform_ops": [
+            infer_preprocess for infer_preprocess in transforms
+            if "DecodeImage" not in infer_preprocess
+        ]
+    }
+
+    postprocess_dict = config["Infer"]["PostProcess"]
+    with open(postprocess_dict["class_id_map_file"], 'r') as f:
+        label_id_maps = f.readlines()
+    label_names = []
+    for line in label_id_maps:
+        line = line.strip().split(' ', 1)
+        label_names.append(line[1:][0])
+
+    infer_cfg["PostProcess"] = {
+        "Topk": OrderedDict({
+            "topk": postprocess_dict["topk"],
+            "label_list": label_names
+        })
+    }
+    with open(path, 'w') as f:
+        yaml.dump(infer_cfg, f)
+    logger.info("Export inference config file to {}".format(
+        os.path.join(path)))