Add repo_id and repo_type in snapshot_download (#1172)

* add repo_id and repo_type in snapshot_download

* fix positional args

* update

modelscope/hub/snapshot_download.py

@@ -19,6 +19,7 @@ from modelscope.hub.utils.utils import (get_model_masked_directory,
                                         model_id_to_group_owner_name)
 from modelscope.utils.constant import (DEFAULT_DATASET_REVISION,
                                        DEFAULT_MODEL_REVISION,
+                                       DEFAULT_REPOSITORY_REVISION,
                                        REPO_TYPE_DATASET, REPO_TYPE_MODEL,
                                        REPO_TYPE_SUPPORT)
 from modelscope.utils.logger import get_logger
@@ -28,8 +29,8 @@ logger = get_logger()
 
 
 def snapshot_download(
-    model_id: str,
-    revision: Optional[str] = DEFAULT_MODEL_REVISION,
+    model_id: str = None,
+    revision: Optional[str] = None,
     cache_dir: Union[str, Path, None] = None,
     user_agent: Optional[Union[Dict, str]] = None,
     local_files_only: Optional[bool] = False,
@@ -40,6 +41,8 @@ def snapshot_download(
     allow_patterns: Optional[Union[List[str], str]] = None,
     ignore_patterns: Optional[Union[List[str], str]] = None,
     max_workers: int = 8,
+    repo_id: str = None,
+    repo_type: Optional[str] = REPO_TYPE_MODEL,
 ) -> str:
     """Download all files of a repo.
     Downloads a whole snapshot of a repo's files at the specified revision. This
@@ -51,7 +54,10 @@ def snapshot_download(
     user always has git and git-lfs installed, and properly configured.
 
     Args:
-        model_id (str): A user or an organization name and a repo name separated by a `/`.
+        repo_id (str): A user or an organization name and a repo name separated by a `/`.
+        model_id (str): A user or an organization name and a model name separated by a `/`.
+            if `repo_id` is provided, `model_id` will be ignored.
+        repo_type (str, optional): The type of the repo, either 'model' or 'dataset'.
         revision (str, optional): An optional Git revision id which can be a branch name, a tag, or a
             commit hash. NOTE: currently only branch and tag name is supported
         cache_dir (str, Path, optional): Path to the folder where cached files are stored, model will
@@ -87,9 +93,22 @@ def snapshot_download(
         - [`ValueError`](https://docs.python.org/3/library/exceptions.html#ValueError)
         if some parameter value is invalid
     """
+
+    repo_id = repo_id or model_id
+    if not repo_id:
+        raise ValueError('Please provide a valid model_id or repo_id')
+
+    if repo_type not in REPO_TYPE_SUPPORT:
+        raise ValueError(
+            f'Invalid repo type: {repo_type}, only support: {REPO_TYPE_SUPPORT}'
+        )
+
+    if revision is None:
+        revision = DEFAULT_DATASET_REVISION if repo_type == REPO_TYPE_DATASET else DEFAULT_MODEL_REVISION
+
     return _snapshot_download(
-        model_id,
-        repo_type=REPO_TYPE_MODEL,
+        repo_id,
+        repo_type=repo_type,
         revision=revision,
         cache_dir=cache_dir,
         user_agent=user_agent,