Fix logging in dataset download utilities (#3624)

torchaudio/datasets/utils.py

@@ -6,19 +6,20 @@ from typing import Any, List, Optional
 
 import torchaudio
 
+_LG = logging.getLogger(__name__)
+
 
 def _extract_tar(from_path: str, to_path: Optional[str] = None, overwrite: bool = False) -> List[str]:
     if to_path is None:
         to_path = os.path.dirname(from_path)
     with tarfile.open(from_path, "r") as tar:
-        logging.info("Opened tar file {}.", from_path)
         files = []
         for file_ in tar:  # type: Any
             file_path = os.path.join(to_path, file_.name)
             if file_.isfile():
                 files.append(file_path)
                 if os.path.exists(file_path):
-                    logging.info("{} already extracted.".format(file_path))
+                    _LG.info("%s already extracted.", file_path)
                     if not overwrite:
                         continue
             tar.extract(file_, to_path)
@@ -30,12 +31,11 @@ def _extract_zip(from_path: str, to_path: Optional[str] = None, overwrite: bool
         to_path = os.path.dirname(from_path)
 
     with zipfile.ZipFile(from_path, "r") as zfile:
-        logging.info("Opened zip file {}.", from_path)
         files = zfile.namelist()
         for file_ in files:
             file_path = os.path.join(to_path, file_)
             if os.path.exists(file_path):
-                logging.info("{} already extracted.".format(file_path))
+                _LG.info("%s already extracted.", file_path)
                 if not overwrite:
                     continue
             zfile.extract(file_, to_path)