Test for directory existance, fix exception catching granularity

lib/ansible/playbook/task.py

@@ -41,8 +41,12 @@ class Task(object):
 
     def __init__(self, play, ds, module_vars=None):
         ''' constructor loads from a task or handler datastructure '''
+
+        # code to allow for saying "modulename: args" versus "action: modulename args"
+
         modules_list = set()
         for path in C.DEFAULT_MODULE_PATH.split(pathsep):
+            if os.path.exists(path):
                 modules_list.update(os.listdir(path))
         modules_list = list(modules_list)
         for x in ds.keys():

lib/ansible/runner/__init__.py

@@ -467,7 +467,7 @@ class Runner(object):
         data2 = utils.last_non_blank_line(data)
         try:
             return data2.split()[0]
-        except:
+        except IndexError:
             sys.stderr.write("warning: md5sum command failed unusually, please report this to the list so it can be fixed\n")
             sys.stderr.write("command: %s\n" % md5s)
             sys.stderr.write("----\n")