X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/94972ae20fa5d9dde7dc814695a970e9d5bad4a7..aaf66379f989120c23eed4fb4a5e6c875362c6dc:/sdk/cwl/arvados_cwl/fsaccess.py

diff --git a/sdk/cwl/arvados_cwl/fsaccess.py b/sdk/cwl/arvados_cwl/fsaccess.py
index c1ea586b04..16ec2b2f96 100644
--- a/sdk/cwl/arvados_cwl/fsaccess.py
+++ b/sdk/cwl/arvados_cwl/fsaccess.py
@@ -148,6 +148,11 @@ class CollectionFsAccess(cwltool.stdfsaccess.StdFsAccess):
                 return False
             else:
                 raise
+        except IOError as err:
+            if err.errno == errno.ENOENT:
+                return False
+            else:
+                raise
         if collection is not None:
             if rest:
                 return collection.exists(rest)
@@ -223,14 +228,15 @@ class CollectionFetcher(DefaultFetcher):
         self.fsaccess = fs_access
         self.num_retries = num_retries
 
-    def fetch_text(self, url):
+    def fetch_text(self, url, content_types=None):
         if url.startswith("keep:"):
             with self.fsaccess.open(url, "r", encoding="utf-8") as f:
                 return f.read()
         if url.startswith("arvwf:"):
             record = self.api_client.workflows().get(uuid=url[6:]).execute(num_retries=self.num_retries)
-            definition = record["definition"] + ('\nlabel: "%s"\n' % record["name"].replace('"', '\\"'))
-            return definition
+            definition = yaml.round_trip_load(record["definition"])
+            definition["label"] = record["name"]
+            return yaml.round_trip_dump(definition)
         return super(CollectionFetcher, self).fetch_text(url)
 
     def check_exists(self, url):