Throw an err if the file of the dataset to be downloaded, doesn't exist.

galaxyproject · Aug 3, 2018 · 0a2f838 · 0a2f838
1 parent 999f3b0
commit 0a2f838
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tools/cloud/download.py b/tools/cloud/download.py
@@ -31,6 +31,8 @@ def load_credential(credentials_file):
 
 
 def download(provider, credentials_file, bucket, object_label, filename, overwrite_existing):
+    if not os.path.exists(filename):
+        raise Exception("The file `{}` does not exist.".format(filename))
     credentials = load_credential(credentials_file)
     if CloudProviderFactory is None:
         raise Exception(NO_CLOUDBRIDGE_ERROR_MESSAGE)