fix datasets dependency for snapshot download (#1581)

wangxingjun778 · web-flow · commit e4aace15003b · 2025-12-23T17:26:16.000+08:00
diff --git a/modelscope/hub/api.py b/modelscope/hub/api.py
@@ -82,7 +82,8 @@
                                        DownloadChannel, DownloadMode,
                                        Frameworks, ModelFile, Tasks,
                                        VirgoDatasetConfig)
-from modelscope.utils.file_utils import get_file_hash, get_file_size
+from modelscope.utils.file_utils import (get_file_hash, get_file_size,
+                                         is_relative_path)
 from modelscope.utils.logger import get_logger
 from modelscope.utils.repo_utils import (DATASET_LFS_SUFFIX,
                                          DEFAULT_IGNORE_PATTERNS,
@@ -1461,7 +1462,6 @@ def list_repo_commits(self,
             >>> for commit in commit_history.commits:
             ...     print(f"{commit.short_id}: {commit.title}")
         """
-        from datasets.utils.file_utils import is_relative_path
 
         if is_relative_path(repo_id) and repo_id.count('/') == 1:
             _owner, _dataset_name = repo_id.split('/')
@@ -1520,7 +1520,6 @@ def get_dataset_files(self,
             List: The response containing the dataset repository tree information.
                 e.g. [{'CommitId': None, 'CommitMessage': '...', 'Size': 0, 'Type': 'tree'}, ...]
         """
-        from datasets.utils.file_utils import is_relative_path
 
         if is_relative_path(repo_id) and repo_id.count('/') == 1:
             _owner, _dataset_name = repo_id.split('/')
diff --git a/modelscope/msdatasets/download/download_manager.py b/modelscope/msdatasets/download/download_manager.py
@@ -3,10 +3,11 @@
 from datasets.download.download_manager import DownloadManager
 from datasets.download.streaming_download_manager import \
     StreamingDownloadManager
-from datasets.utils.file_utils import cached_path, is_relative_path
+from datasets.utils.file_utils import cached_path
 
 from modelscope.msdatasets.download.download_config import DataDownloadConfig
 from modelscope.msdatasets.utils.oss_utils import OssUtilities
+from modelscope.utils.file_utils import is_relative_path
 
 
 class DataDownloadManager(DownloadManager):
diff --git a/modelscope/msdatasets/ms_dataset.py b/modelscope/msdatasets/ms_dataset.py
@@ -9,7 +9,6 @@
 from datasets import (Dataset, DatasetDict, Features, IterableDataset,
                       IterableDatasetDict)
 from datasets.packaged_modules import _PACKAGED_DATASETS_MODULES
-from datasets.utils.file_utils import is_relative_path
 
 from modelscope.hub.repository import DatasetRepository
 from modelscope.msdatasets.context.dataset_context_config import \
@@ -32,6 +31,7 @@
                                        REPO_TYPE_DATASET, ConfigFields,
                                        DatasetFormations, DownloadMode, Hubs,
                                        ModeKeys, Tasks, UploadMode)
+from modelscope.utils.file_utils import is_relative_path
 from modelscope.utils.import_utils import is_tf_available, is_torch_available
 from modelscope.utils.logger import get_logger
 
diff --git a/modelscope/msdatasets/utils/hf_datasets_util.py b/modelscope/msdatasets/utils/hf_datasets_util.py
@@ -46,7 +46,6 @@
 from datasets.utils import file_utils
 from datasets.utils.file_utils import (_raise_if_offline_mode_is_enabled,
                                        cached_path, is_local_path,
-                                       is_relative_path,
                                        relative_to_absolute_path)
 from datasets.utils.info_utils import is_small_dataset
 from datasets.utils.metadata import MetadataConfigs
@@ -68,6 +67,7 @@
 from modelscope.utils.config_ds import MS_DATASETS_CACHE
 from modelscope.utils.constant import DEFAULT_DATASET_REVISION, REPO_TYPE_DATASET
 from modelscope.utils.import_utils import has_attr_in_class
+from modelscope.utils.file_utils import is_relative_path
 from modelscope.utils.logger import get_logger
 
 logger = get_logger()
diff --git a/modelscope/utils/file_utils.py b/modelscope/utils/file_utils.py
@@ -6,6 +6,7 @@
 from pathlib import Path
 from shutil import Error, copy2, copystat
 from typing import BinaryIO, Optional, Union
+from urllib.parse import urlparse
 
 
 # TODO: remove this api, unify to flattened args
@@ -274,3 +275,11 @@ def get_file_hash(
         'chunk_nums': len(chunk_hash_list),
         'chunk_hash_list': chunk_hash_list,
     }
+
+
+def is_relative_path(url_or_filename: str) -> bool:
+    """
+    Check if a given string is a relative path.
+    """
+    return urlparse(
+        url_or_filename).scheme == '' and not os.path.isabs(url_or_filename)
