[common] (LabelMap) Move to parent folder and simplify usage

common/polystar/common/constants.py

@@ -4,4 +4,4 @@ PROJECT_DIR: Path = Path(__file__).parent.parent.parent.parent
 RESOURCES_DIR: Path = PROJECT_DIR / "resources"
 MODELS_DIR: Path = RESOURCES_DIR / "models"
 
-LABEL_MAP_PATH: Path = PROJECT_DIR / "dataset" / "tf_records" / "label_map.pbtxt"
+LABEL_MAP_PATH: Path = PROJECT_DIR / "dataset" / "label_map.pbtxt"

common/polystar/common/models/label_map.py

 import re
+from dataclasses import dataclass
 from pathlib import Path
-from typing import Dict, Any, List
+from typing import Any, Dict, List
 
-from dataclasses import dataclass
+from polystar.common.constants import LABEL_MAP_PATH
 
 
 @dataclass
@@ -30,3 +31,6 @@ class LabelMap:
         name2id = {n: int(i) for i, n in d.items()}
         id2name = d
         return LabelMap(id2name=id2name, name2id=name2id)
+
+
+label_map = LabelMap.from_file(LABEL_MAP_PATH)