Create hf_sync.py

hf_sync.py

@@ -0,0 +1,76 @@
+from huggingface_hub import HfApi
+import sys
+import os
+import tarfile
+import tempfile
+
+def manage_backups(api, repo_id, max_files=50):
+    files = api.list_repo_files(repo_id=repo_id, repo_type="dataset")
+    backup_files = [f for f in files if f.startswith('backup_') and f.endswith('.tar.gz')]
+    backup_files.sort()
+    
+    if len(backup_files) >= max_files:
+        files_to_delete = backup_files[:(len(backup_files) - max_files + 1)]
+        for file_to_delete in files_to_delete:
+            try:
+                api.delete_file(path_in_repo=file_to_delete, repo_id=repo_id, repo_type="dataset")
+                print(f'Deleted old backup: {file_to_delete}')
+            except Exception as e:
+                print(f'Error deleting {file_to_delete}: {str(e)}')
+
+def upload_backup(file_path, file_name, token, repo_id):
+    api = HfApi(token=token)
+    try:
+        api.upload_file(
+            path_or_fileobj=file_path,
+            path_in_repo=file_name,
+            repo_id=repo_id,
+            repo_type="dataset"
+        )
+        print(f"Successfully uploaded {file_name}")
+        
+        manage_backups(api, repo_id)
+    except Exception as e:
+        print(f"Error uploading file: {str(e)}")
+
+# 下载最新备份
+def download_latest_backup(token, repo_id):
+    try:
+        api = HfApi(token=token)
+        files = api.list_repo_files(repo_id=repo_id, repo_type="dataset")
+        backup_files = [f for f in files if f.startswith('backup_') and f.endswith('.tar.gz')]
+        
+        if not backup_files:
+            print("No backup files found")
+            return
+            
+        latest_backup = sorted(backup_files)[-1]
+        
+        with tempfile.TemporaryDirectory() as temp_dir:
+            filepath = api.hf_hub_download(
+                repo_id=repo_id,
+                filename=latest_backup,
+                repo_type="dataset",
+                local_dir=temp_dir
+            )
+            
+            if filepath and os.path.exists(filepath):
+                with tarfile.open(filepath, 'r:gz') as tar:
+                    tar.extractall('/home/app/storage/')
+                print(f"Successfully restored backup from {latest_backup}")
+                
+    except Exception as e:
+        print(f"Error downloading backup: {str(e)}")
+
+if __name__ == "__main__":
+    action = sys.argv[1]
+    token = sys.argv[2]
+    repo_id = sys.argv[3]
+    
+    if action == "upload":
+        file_path = sys.argv[4]
+        file_name = sys.argv[5]
+        upload_backup(file_path, file_name, token, repo_id)
+    elif action == "download":
+        download_latest_backup(token, repo_id)
+EOL