Change: improve roles string split

This change has been requested by Dmitrii Kabanov dkabanov@mirantis.com.
Now if roles is a string, it does not have to have spaces after commas.

Change-Id: I8b7bae1e1f2a4955dda9440b629393f18edc6fac

specs/python-timmy.spec

@@ -107,6 +107,9 @@ popd
 
 
 %changelog
+* Tue Oct 24 2017 Dmitry Sutyagin <dsutyagin@mirantis.com> - 1.26.13
+- Change: improve roles string split
+
 * Fri Oct 20 2017 Dmitry Sutyagin <dsutyagin@mirantis.com> - 1.26.12
 - Fix: scripts_all_pairs does not trigger archive
 

timmy/env.py

@@ -16,7 +16,7 @@
 #    under the License.
 
 project_name = 'timmy'
-version = '1.26.12'
+version = '1.26.13'
 
 if __name__ == '__main__':
     import sys

timmy/nodes.py

@@ -59,7 +59,7 @@ class Node(object):
         if type(roles) is list:
             self.roles = roles
         else:
-            self.roles = roles.split(', ') if roles else []
+            self.roles = re.split(', *', roles) if roles else []
         self.os_platform = os_platform
         self.online = online
         self.status = status