update: aspanformer

hloc/matchers/aspanformer.py

@@ -4,8 +4,8 @@ from pathlib import Path
 
 import torch
 
-from .. import do_system, logger
-from ..utils.base_model import BaseModel
+from hloc import logger
+from hloc.utils.base_model import BaseModel
 
 sys.path.append(str(Path(__file__).parent / "../../third_party"))
 from ASpanFormer.src.ASpanFormer.aspanformer import ASpanFormer as _ASpanFormer
@@ -66,7 +66,9 @@ class ASpanFormer(BaseModel):
                             f"Failed to download the Aspanformer model: {e}"
                         )
 
-            do_system(f"cd {str(aspanformer_path)} & tar -xvf {str(tar_path)}")
+            cmd = ["tar", "-xvf", str(tar_path), "-C", str(aspanformer_path)]
+            logger.info(f"Unzip model file `{cmd}`.")
+            subprocess.run(cmd, check=True)
 
         config = get_cfg_defaults()
         config.merge_from_file(conf["config_path"])