Use durable full source manifest

mirror_worker.py

@@ -9,9 +9,10 @@ from __future__ import annotations
 import os
 import shutil
 import time
+import json
 from pathlib import Path
 
-from huggingface_hub import HfApi
+from huggingface_hub import HfApi, hf_hub_download
 from modelscope_hub import HubApi
 
 SOURCE_REPO = "daimonrobotics/Daimon-Infinity"
@@ -74,9 +75,13 @@ def main() -> None:
     source.login(MODELSCOPE_TOKEN)
     target = HfApi(token=HF_TOKEN)
     uploaded = set(target.list_repo_files(DEST_REPO, repo_type="dataset"))
-    # The ordinary repository listing is truncated for very large ModelScope
-    # datasets.  Their dataset downloader uses this paginated tree endpoint.
-    files = paginated_manifest(source)
+    # A dedicated indexing job writes the full paginated source tree once.
+    # Reusing it avoids thousands of duplicate ModelScope listing requests.
+    manifest = hf_hub_download(
+        DEST_REPO, ".mirror/manifest.jsonl", repo_type="dataset", token=HF_TOKEN
+    )
+    with open(manifest, encoding="utf-8") as handle:
+        files = [json.loads(line) for line in handle]
     selected = [
         item for number, item in enumerate(files)
         if number % WORKER_COUNT == WORKER_INDEX