[tor-commits] [nyx/master] Occasional stacktraces when starting up

[atagar@xxxxxxxxxxxxxx]

commit 702d8d329b8c305b0dc7207e550b6d89b98aab25
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Sat Jul 23 11:41:58 2016 -0700

    Occasional stacktraces when starting up
    
    When starting up we occasionally flashed a stacktrace such as...
    
      File "/home/atagar/Desktop/nyx/nyx/panel/graph.py", line 596, in _update_accounting
        if not nyx_controller.is_paused():
      AttributeError 'NoneType' object has no attribute 'is_paused'
    
    The issue is that our Controller's constructor creates panels which in turn
    have threads that use the still-incomplete controller. As such breaking the
    constructor into two parts. The first creates a blank instance and the second
    adds the panels.
    
    Don't really like this but fixes the issue. I'll revisit this when it's the
    controller's turn to be rewitten.
---
 nyx/controller.py | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/nyx/controller.py b/nyx/controller.py
index d02dbeb..8040e7e 100644
--- a/nyx/controller.py
+++ b/nyx/controller.py
@@ -98,9 +98,18 @@ class Controller(object):
     top to bottom on the page.
     """
 
-    self._header_panel = nyx.panel.header.HeaderPanel()
+    self._page_panels = []
+    self._header_panel = None
+    self.quit_signal = False
+    self._page = 0
+    self._paused = False
+    self._pause_time = -1
+    self._force_redraw = False
+    self._last_drawn = 0
 
-    self._page_panels, first_page_panels = [], []
+  def init(self):
+    self._header_panel = nyx.panel.header.HeaderPanel()
+    first_page_panels = []
 
     if CONFIG['features.panels.show.graph']:
       first_page_panels.append(nyx.panel.graph.GraphPanel())
@@ -330,6 +339,7 @@ def start_nyx():
   global NYX_CONTROLLER
 
   NYX_CONTROLLER = Controller()
+  NYX_CONTROLLER.init()
   control = get_controller()
 
   if not CONFIG['features.acsSupport']:



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