Add bytes param to cat.shards and cat.segments (#654)

elasticsearch/client/cat.py

@@ -201,14 +201,16 @@ def recovery(self, index=None, params=None):
         return self.transport.perform_request('GET', _make_path('_cat',
             'recovery', index), params=params)
 
-    @query_params('format', 'h', 'help', 'local', 'master_timeout', 's', 'v')
+    @query_params('bytes', 'format', 'h', 'help', 'local', 'master_timeout', 's', 'v')
     def shards(self, index=None, params=None):
         """
         The shards command is the detailed view of what nodes contain which shards.
         `<https://www.elastic.co/guide/en/elasticsearch/reference/current/cat-shards.html>`_
 
         :arg index: A comma-separated list of index names to limit the returned
             information
+        :arg bytes: The unit in which to display byte values, valid choices are:
+            'b', 'k', 'kb', 'm', 'mb', 'g', 'gb', 't', 'tb', 'p', 'pb'
         :arg format: a short version of the Accept header, e.g. json, yaml
         :arg h: Comma-separated list of column names to display
         :arg help: Return help information, default False
@@ -223,14 +225,16 @@ def shards(self, index=None, params=None):
         return self.transport.perform_request('GET', _make_path('_cat',
             'shards', index), params=params)
 
-    @query_params('format', 'h', 'help', 's', 'v')
+    @query_params('bytes', 'format', 'h', 'help', 's', 'v')
     def segments(self, index=None, params=None):
         """
         The segments command is the detailed view of Lucene segments per index.
         `<https://www.elastic.co/guide/en/elasticsearch/reference/current/cat-segments.html>`_
 
         :arg index: A comma-separated list of index names to limit the returned
             information
+        :arg bytes: The unit in which to display byte values, valid choices are:
+            'b', 'k', 'kb', 'm', 'mb', 'g', 'gb', 't', 'tb', 'p', 'pb'
         :arg format: a short version of the Accept header, e.g. json, yaml
         :arg h: Comma-separated list of column names to display
         :arg help: Return help information, default False