X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/b478b8a0b4263b0e54060e3fecaab9b6ecdcb085..873fcf181c037cc1e42419bfeaf5bb70c9d9e239:/sdk/cwl/arvados_cwl/util.py

diff --git a/sdk/cwl/arvados_cwl/util.py b/sdk/cwl/arvados_cwl/util.py
index 98a2a89a1d..299f854ec2 100644
--- a/sdk/cwl/arvados_cwl/util.py
+++ b/sdk/cwl/arvados_cwl/util.py
@@ -5,6 +5,8 @@
 import datetime
 from arvados.errors import ApiError
 
+collectionUUID =  "http://arvados.org/cwl#collectionUUID"
+
 def get_intermediate_collection_info(workflow_step_name, current_container, intermediate_output_ttl):
         if workflow_step_name:
             name = "Intermediate collection for step %s" % (workflow_step_name)
@@ -14,9 +16,9 @@ def get_intermediate_collection_info(workflow_step_name, current_container, inte
         if intermediate_output_ttl > 0:
             trash_time = datetime.datetime.utcnow() + datetime.timedelta(seconds=intermediate_output_ttl)
         container_uuid = None
+        props = {"type": "intermediate"}
         if current_container:
-            container_uuid = current_container['uuid']
-        props = {"type": "intermediate", "container": container_uuid}
+            props["container_uuid"] = current_container['uuid']
 
         return {"name" : name, "trash_at" : trash_time, "properties" : props}
 
@@ -26,6 +28,24 @@ def get_current_container(api, num_retries=0, logger=None):
         current_container = api.containers().current().execute(num_retries=num_retries)
     except ApiError as e:
         # Status code 404 just means we're not running in a container.
-        if e.resp.status != 404 and logger:
-            logger.info("Getting current container: %s", e)
+        if e.resp.status != 404:
+            if logger:
+                logger.info("Getting current container: %s", e)
+            raise e
+
     return current_container
+
+
+def common_prefix(firstfile, all_files):
+    common_parts = firstfile.split('/')
+    common_parts[-1] = ''
+    for f in all_files:
+        f_parts = f.split('/')
+        for index, (a, b) in enumerate(zip(common_parts, f_parts)):
+            if a != b:
+                common_parts = common_parts[:index + 1]
+                common_parts[-1] = ''
+                break
+        if not any(common_parts):
+            break
+    return '/'.join(common_parts)