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[tor-commits] [nyx/master] Use itertools to enumerate connection lines



commit f240710412e3c5df157ab264a3f5e7c557eda452
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Sat Jul 25 13:40:39 2015 -0700

    Use itertools to enumerate connection lines
    
    Simple one-liner to get a flattened list of our connection lines, rather than
    loops.
---
 nyx/connections/conn_panel.py |   14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/nyx/connections/conn_panel.py b/nyx/connections/conn_panel.py
index 26d836d..695c32e 100644
--- a/nyx/connections/conn_panel.py
+++ b/nyx/connections/conn_panel.py
@@ -6,6 +6,7 @@ import re
 import time
 import collections
 import curses
+import itertools
 import threading
 
 import nyx.popups
@@ -162,11 +163,7 @@ class ConnectionPanel(panel.Panel, threading.Thread):
         nyx_config.set('features.connection.order', ', '.join(ordering_keys))
 
       self._entries.sort(key = lambda i: (i.get_sort_values(CONFIG['features.connection.order'], self.get_listing_type())))
-
-      self._entry_lines = []
-
-      for entry in self._entries:
-        self._entry_lines += entry.get_lines()
+      self._entry_lines = list(itertools.chain.from_iterable([entry.get_lines() for entry in self._entries]))
 
   def get_listing_type(self):
     """
@@ -496,12 +493,7 @@ class ConnectionPanel(panel.Panel, threading.Thread):
           exit_port = entry_line.foreign.get_port()
           self._exit_port_usage[exit_port] = self._exit_port_usage.get(exit_port, 0) + 1
 
-      self._entries = new_entries
-
-      self._entry_lines = []
-
-      for entry in self._entries:
-        self._entry_lines += entry.get_lines()
+      self._entries, self._entry_lines = new_entries, list(itertools.chain.from_iterable([entry.get_lines() for entry in new_entries]))
 
       self.set_sort_order()
       self._last_resource_fetch = current_resolution_count



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