feat: enhance AutoConfig to support path-based model configuration

Author: Tohrusky

cccv/auto/config.py

@@ -1,5 +1,6 @@
 import importlib.util
 import json
+import warnings
 from pathlib import Path
 from typing import Any, Optional, Union
 
@@ -24,8 +25,10 @@ def from_pretrained(
         :return:
         """
         if "pretrained_model_name" in kwargs:
-            print(
-                "[CCCV] warning: 'pretrained_model_name' is deprecated, please use 'pretrained_model_name_or_path' instead."
+            warnings.warn(
+                "[CCCV] 'pretrained_model_name' is deprecated, please use 'pretrained_model_name_or_path' instead.",
+                DeprecationWarning,
+                stacklevel=2,
             )
             pretrained_model_name_or_path = kwargs.pop("pretrained_model_name")
 

cccv/util/remote.py

@@ -1,7 +1,9 @@
 import hashlib
 import os
+import shutil
 import subprocess
 import sys
+import warnings
 from pathlib import Path
 from typing import Any, Optional, Union
 
@@ -123,6 +125,13 @@ def git_clone(git_url: str, model_dir: Optional[Union[Path, str]] = None, **kwar
     :param **kwargs: Additional git options (branch, commit_hash, etc.)
     :return: Path to the cloned repository
     """
+    if not shutil.which("git"):
+        warnings.warn(
+            "[CCCV] git is not installed or not in the system's PATH. "
+            "Please install git to use models from remote git repositories.",
+            stacklevel=2,
+        )
+
     model_dir = get_cache_dir(model_dir)
     # get repo name from url
     repo_name = git_url.split("/")[-1].replace(".git", "")