stagingapi: get_open_requests() provide query_extra option.

osclib/stagingapi.py

@@ -549,7 +549,7 @@ class StagingAPI(object):
         self.save_file_content('{}:Staging'.format(self.project), 'dashboard', 'ignored_requests', ignore)
 
     @memoize(session=True, add_invalidate=True)
-    def get_open_requests(self):
+    def get_open_requests(self, query_extra=None):
         """
         Get all requests with open review for staging project
         that are not yet included in any staging project
@@ -567,6 +567,8 @@ class StagingAPI(object):
 
         query = {'match': "state/@name='review' and review[{}] and ({})".format(
             where, ' or '.join(targets))}
+        if query_extra is not None:
+            query.update(query_extra)
         url = self.makeurl(['search', 'request'], query)
         f = http_GET(url)
         root = ET.parse(f).getroot()