Fixing v2 code for test_yum and added capability to squash items

v2/ansible/executor/process/result.py

@@ -33,7 +33,6 @@ try:
 except ImportError:
     HAS_ATFORK=False
 
-from ansible.executor.task_result import TaskResult
 from ansible.playbook.handler import Handler
 from ansible.playbook.task import Task
 
@@ -130,7 +129,7 @@ class ResultProcess(multiprocessing.Process):
                         for notify in result._task.notify:
                             self._send_result(('notify_handler', result._host, notify))
 
-                    if 'results' in result._result:
+                    if result._task.loop:
                         # this task had a loop, and has more than one result, so
                         # loop over all of them instead of a single result
                         result_items = result._result['results']

v2/ansible/executor/task_executor.py

@@ -112,14 +112,12 @@ class TaskExecutor:
 
         results = []
 
-        # FIXME: squash items into a flat list here for those modules
-        #        which support it (yum, apt, etc.) but make it smarter
-        #        than it is today?
-
-        for item in items:
         # make copies of the job vars and task so we can add the item to
         # the variables and re-validate the task with the item variable
         task_vars = self._job_vars.copy()
+
+        items = self._squash_items(items, task_vars)
+        for item in items:
             task_vars['item'] = item
 
             try:
@@ -143,6 +141,22 @@ class TaskExecutor:
 
         return results
 
+    def _squash_items(self, items, variables):
+        '''
+        Squash items down to a comma-separated list for certain modules which support it
+        (typically package management modules).
+        '''
+
+        if len(items) > 0 and self._task.action in ('apt', 'yum', 'pkgng', 'zypper'):
+            final_items = []
+            for item in items:
+                variables['item'] = item
+                if self._task.evaluate_conditional(variables):
+                    final_items.append(item)
+            return [",".join(final_items)]
+        else:
+            return items
+
     def _execute(self, variables=None):
         '''
         The primary workhorse of the executor system, this runs the task

v2/ansible/executor/task_result.py

@@ -55,6 +55,7 @@ class TaskResult:
         if 'results' in self._result:
             flag = False
             for res in self._result.get('results', []):
+                if isinstance(res, dict):
                     flag |= res.get(key, False)
         else:
             return self._result.get(key, False)

v2/bin/ansible-playbook

@@ -17,7 +17,8 @@ from ansible.utils.vars import combine_vars
 from ansible.vars import VariableManager
 
 # Implement an ansible.utils.warning() function later
-warning = print
+import __builtin__
+warning = getattr(__builtin__, 'print')
 
 #---------------------------------------------------------------------------------------------------