Upload backend/.env/Lib/site-packages/huggingface_hub/utils/_pagination.py with huggingface_hub

backend/.env/Lib/site-packages/huggingface_hub/utils/_pagination.py

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+# coding=utf-8
+# Copyright 2022-present, the HuggingFace Inc. team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""Contains utilities to handle pagination on Huggingface Hub."""
+
+from typing import Dict, Iterable, Optional
+
+import requests
+
+from . import get_session, hf_raise_for_status, logging
+
+
+logger = logging.get_logger(__name__)
+
+
+def paginate(path: str, params: Dict, headers: Dict) -> Iterable:
+    """Fetch a list of models/datasets/spaces and paginate through results.
+
+    This is using the same "Link" header format as GitHub.
+    See:
+    - https://requests.readthedocs.io/en/latest/api/#requests.Response.links
+    - https://docs.github.com/en/rest/guides/traversing-with-pagination#link-header
+    """
+    session = get_session()
+    r = session.get(path, params=params, headers=headers)
+    hf_raise_for_status(r)
+    yield from r.json()
+
+    # Follow pages
+    # Next link already contains query params
+    next_page = _get_next_page(r)
+    while next_page is not None:
+        logger.debug(f"Pagination detected. Requesting next page: {next_page}")
+        r = session.get(next_page, headers=headers)
+        hf_raise_for_status(r)
+        yield from r.json()
+        next_page = _get_next_page(r)
+
+
+def _get_next_page(response: requests.Response) -> Optional[str]:
+    return response.links.get("next", {}).get("url")