Workaround for autofocus API bug. Use af_in_progress to determine

search completion.

At some point, af_message was changed from "complete" to "success" to
indicate search completion.

doc/pan.afapi.rst

@@ -232,7 +232,8 @@ samples_search_results(self, data=None, terminal=True)
 
  The ``samples_search_results()`` method calls the
  ``samples_search()`` method, and then calls the ``samples_results()``
- method until the response body contains a *complete* ``af_message``.
+ method until the response body ``af_in_progress`` name is
+ *false*.
 
  This method is implemented as a generator function.
 
@@ -270,8 +271,8 @@ sessions_search_results(self, data=None, terminal=True)
 
  The ``sessions_search_results()`` method calls the
  ``sessions_search()`` method, and then calls the
- ``sessions_results()`` method until the response body contains a
- *complete* ``af_message``.
+ ``sessions_results()`` method until the response body
+ ``af_in_progress`` name is *false*.
 
  This method is implemented as a generator function.
 
@@ -314,7 +315,7 @@ sessions_histogram_search_results(self, data=None, terminal=True)
  The ``sessions_histogram_search_results()`` method calls the
  ``sessions_histogram_search()`` method, and then calls the
  ``sessions_histogram_results()`` method until the response body
- contains a *complete* ``af_message``.
+ ``af_in_progress`` name is *false*.
 
  This method is implemented as a generator function.
 
@@ -356,8 +357,8 @@ sessions_aggregate_search_results(self, data=None, terminal=True)
 
  The ``sessions_aggregate_search_results()`` method calls the
  ``sessions_aggregate_search()`` method, and then calls the
- ``sessions_aggregate_results()`` method until the response body contains
- a *complete* ``af_message``.
+ ``sessions_aggregate_results()`` method until the response body
+ ``af_in_progress`` name is *false*.
 
  This method is implemented as a generator function.
 
@@ -397,8 +398,8 @@ top_tags_search_results(self, data=None, terminal=True)
 
  The ``top_tags_search_results()`` method calls the
  ``top_tags_search()`` method, and then calls the
- ``top_tags_results()`` method until the response body contains
- a *complete* ``af_message``.
+ ``top_tags_results()`` method until the response body
+ ``af_in_progress`` name is *false*.
 
  This method is implemented as a generator function.
 

lib/pan/afapi/v1_0.py

@@ -212,8 +212,10 @@ def _search_results(self, data, search, results, terminal):
             if obj is None:
                 raise PanAFapiError('Response not JSON')
 
-            msg = obj.get('af_message')
-            if msg is not None and msg == 'complete':
+            in_progress = obj.get('af_in_progress')
+            if in_progress is None:
+                raise PanAFapiError('No af_in_progress in response')
+            if not in_progress:
                 if terminal:
                     yield r
                 try: