Upload split session to cache path first

run.py

@@ -5,6 +5,8 @@
 import zipfile
 from pathlib import Path
 from typing import Union
+from urllib.parse import quote
+from datetime import datetime
 
 import requests
 from requests.auth import HTTPBasicAuth
@@ -138,6 +140,29 @@ def send_to_xnat(xnat_username: str, xnat_password: str, xnat_host: str,
                  project: str, subject: str, experiment: str,
                  zip_file: Union[Path, str]):
 
+    # First upload to user cache
+    now = datetime.now()
+    upload_id = now.strftime("%Y_%m_%d_%H_%M_%S")
+    cache_path = f'/user/cache/resources/${upload_id}/files/${zip_file.name}'
+    encoded_cached_path = quote(cache_path, safe='')
+    url = f'{xnat_host}/data/{encoded_cached_path}'
+
+    logging.info(f'Uploading {zip_file} to cache')
+    logging.debug(f'Cache URL: {url}')
+
+    r = requests.put(
+        url,
+        auth=HTTPBasicAuth(xnat_username, xnat_password),
+        files={'file': open(zip_file, 'rb')}
+    )
+
+    if r.ok:
+        logging.info('Upload to cache successful')
+    else:
+        logging.error(f'Upload to cache failed: {r.text}')
+        raise Exception(f'Upload to cache failed for {zip_file}')
+
+    # Then import from cache to pre-archive
     experiment = experiment + "_split_" + subject
 
     url = f'{xnat_host}/data/services/import'
@@ -146,15 +171,17 @@ def send_to_xnat(xnat_username: str, xnat_password: str, xnat_host: str,
         'overwrite': 'append',
         'PROJECT_ID': project,
         'SUBJECT_ID': subject,
-        'EXPT_LABEL': experiment
+        'EXPT_LABEL': experiment,
+        'cachePath': f'{upload_id}/{zip_file.name}'
     }
 
     logging.info(f'Uploading {zip_file} for project {project}, subject {subject}, experiment {experiment} to {url}')
 
-    r = requests.post(url,
-                      auth=HTTPBasicAuth(xnat_username, xnat_password),
-                      params=params,
-                      files={'file': open(zip_file, 'rb')})
+    r = requests.post(
+        url,
+        auth=HTTPBasicAuth(xnat_username, xnat_password),
+        params=params
+    )
 
     if r.ok:
         logging.info('Upload successful')