From: Diane Trout <diane@caltech.edu>
Date: Thu, 8 Oct 2009 00:39:32 +0000 (+0000)
Subject: In some cases test_retrive_config will attempt to normalize None as a url
X-Git-Tag: 0.3.2~3
X-Git-Url: http://woldlab.caltech.edu/gitweb/?p=htsworkflow.git;a=commitdiff_plain;h=17d8d802376e0f602a93b7a7119d4cf42b93afd6

In some cases test_retrive_config will attempt to normalize None as a url
which doesn't work so well.

So this patch just returns the None and lets the problem
get sorted out elsewhere.
---

diff --git a/htsworkflow/util/url.py b/htsworkflow/util/url.py
index 1b62e58..4e49c2d 100644
--- a/htsworkflow/util/url.py
+++ b/htsworkflow/util/url.py
@@ -14,7 +14,12 @@ def normalize_url(url, scheme='http'):
     'http://foo.com/a/b/c/d/e/f.html'
     >>> normalize_url("foo.com", "https")
     'https://foo.com'
+    >>> normalize_url(None)
     """
+    # not much to do with None except avoid an exception
+    if url is None:
+        return None
+    
     scheme_sep = '://'
     if url.find(scheme_sep) != -1:
         return url