Move default arguments to the end of the function call.

lib/ansible/callback_plugins/noop.py

@@ -72,7 +72,7 @@ class CallbackModule(object):
     def playbook_on_task_start(self, name, is_conditional):
         pass
 
-    def playbook_on_vars_prompt(self, varname, default=None, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None):
+    def playbook_on_vars_prompt(self, varname, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None, default=None):
         pass
 
     def playbook_on_setup(self):

lib/ansible/callbacks.py

@@ -435,7 +435,7 @@ class PlaybookCallbacks(object):
         print banner(msg)
         call_callback_module('playbook_on_task_start', name, is_conditional)
 
-    def on_vars_prompt(self, varname, default=None, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None):
+    def on_vars_prompt(self, varname, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None, default=None):
 
         if prompt:
             msg = "%s: " % prompt
@@ -466,8 +466,8 @@ class PlaybookCallbacks(object):
         if encrypt:
             result = utils.do_encrypt(result,encrypt,salt_size,salt)
 
-        call_callback_module( 'playbook_on_vars_prompt', varname, default=default, private=private,
+        call_callback_module( 'playbook_on_vars_prompt', varname, private=private, prompt=prompt,
-                               prompt=prompt, encrypt=encrypt, confirm=confirm, salt_size=salt_size, salt=None
+                               encrypt=encrypt, confirm=confirm, salt_size=salt_size, salt=None, default=default
                             )
 
         return result

lib/ansible/playbook/play.py

@@ -199,7 +199,7 @@ class Play(object):
 
                 if vname not in self.playbook.extra_vars:
                     vars[vname] = self.playbook.callbacks.on_vars_prompt (
-                                     vname, default, private, prompt, encrypt, confirm, salt_size, salt
+                                     vname, private, prompt, encrypt, confirm, salt_size, salt, default
                                   )
 
         elif type(self.vars_prompt) == dict:
@@ -207,7 +207,7 @@ class Play(object):
                 prompt_msg = "%s: " % prompt
                 if vname not in self.playbook.extra_vars:
                     vars[vname] = self.playbook.callbacks.on_vars_prompt(
-                                     varname=vname, default=None, private=False, prompt=prompt_msg
+                                     varname=vname, private=False, prompt=prompt_msg, default=None
                                   )
 
         else:

plugins/callbacks/log_plays.py

@@ -86,7 +86,7 @@ class CallbackModule(object):
     def playbook_on_task_start(self, name, is_conditional):
         pass
 
-    def playbook_on_vars_prompt(self, varname, default=None, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None):
+    def playbook_on_vars_prompt(self, varname, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None, default=None):
         pass
 
     def playbook_on_setup(self):

plugins/callbacks/osx_say.py

@@ -73,7 +73,7 @@ class CallbackModule(object):
         else:
             say("Notifying task: %s" % name, REGULAR_VOICE)
 
-    def playbook_on_vars_prompt(self, varname, default=None, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None):
+    def playbook_on_vars_prompt(self, varname, private=True, prompt=None, encrypt=None, confirm=False, salt_size=None, salt=None, default=None):
         pass
 
     def playbook_on_setup(self):