Now checks directory exists

smfm-project · Feb 6, 2018 · 5e116cd · 5e116cd
1 parent 69ae15b
commit 5e116cd
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/biota/download.py b/biota/download.py
@@ -76,6 +76,9 @@ def download(url, output_dir = os.getcwd()):
     # Check that output file doesn't already exist
     assert not os.path.exists('%s/%s'%(output_dir,url.split('/')[-1])), "File %s already exists at output location."%url.split('/')[-1]
 
+    # Check that output directory exists
+    assert os.path.isdir(output_dir), "The output directory (%s) does not exist. Create it, then try again."%output_dir
+
     # Download
     exit_status = subprocess.call(['wget', '-nc', url, '-P', output_dir])