X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/20364bc1aed2dcad71b006f4314ba0720d20ae05..e59c1d365d9b6e1eff9b5cb030a8b1a3aaf14353:/sdk/cwl/arvados_cwl/fsaccess.py

diff --git a/sdk/cwl/arvados_cwl/fsaccess.py b/sdk/cwl/arvados_cwl/fsaccess.py
index 534a675525..7736cab4d8 100644
--- a/sdk/cwl/arvados_cwl/fsaccess.py
+++ b/sdk/cwl/arvados_cwl/fsaccess.py
@@ -149,13 +149,16 @@ class CollectionFsAccess(cwltool.stdfsaccess.StdFsAccess):
             return os.path.realpath(path)
 
 class CollectionFetcher(DefaultFetcher):
-    def __init__(self, cache, session, api_client=None, fs_access=None, num_retries=4):
+    def __init__(self, cache, session, api_client=None, fs_access=None, num_retries=4, overrides=None):
         super(CollectionFetcher, self).__init__(cache, session)
         self.api_client = api_client
         self.fsaccess = fs_access
         self.num_retries = num_retries
+        self.overrides = overrides if overrides else {}
 
     def fetch_text(self, url):
+        if url in self.overrides:
+            return self.overrides[url]
         if url.startswith("keep:"):
             with self.fsaccess.open(url, "r") as f:
                 return f.read()
@@ -166,6 +169,8 @@ class CollectionFetcher(DefaultFetcher):
         return super(CollectionFetcher, self).fetch_text(url)
 
     def check_exists(self, url):
+        if url in self.overrides:
+            return True
         try:
             if url.startswith("http://arvados.org/cwl"):
                 return True