From 5e202063d498c05dfda91b44699b0f02368a36a1 Mon Sep 17 00:00:00 2001
From: nemunaire <nemunaire@nemunai.re>
Date: Thu, 18 Sep 2014 06:26:50 +0200
Subject: [PATCH] Improve stability: catch all kind of exception in main bot
 loop

---
 bot.py | 41 +++++++++++++++++++++++++++++++++++++----
 1 file changed, 37 insertions(+), 4 deletions(-)

diff --git a/bot.py b/bot.py
index 7c5e557..ce5aa82 100644
--- a/bot.py
+++ b/bot.py
@@ -132,15 +132,48 @@ class Bot(threading.Thread):
 
         self.stop = False
         while not self.stop:
-            rl, wl, xl = select(_rlist, _wlist, _xlist, 0.1)
+            try:
+                rl, wl, xl = select(_rlist, _wlist, _xlist, 0.1)
+            except:
+                logger.error("Something went wrong in select")
+                fnd_smth = False
+                # Looking for invalid server
+                for r in _rlist:
+                    if not hasattr(r, "fileno") or not isinstance(r.fileno(), int):
+                        _rlist.remove(r)
+                        logger.error("Found invalid object in _rlist: " + r)
+                        fnd_smth = True
+                for w in _wlist:
+                    if not hasattr(r, "fileno") or not isinstance(w.fileno(), int):
+                        _wlist.remove(w)
+                        logger.error("Found invalid object in _wlist: " + w)
+                        fnd_smth = True
+                for x in _xlist:
+                    if not hasattr(r, "fileno") or not isinstance(x.fileno(), int):
+                        _xlist.remove(x)
+                        logger.error("Found invalid object in _xlist: " + x)
+                        fnd_smth = True
+                if not fnd_smth:
+                    logger.exception("Can't continue, sorry")
+                    self.stop = True
+                continue
 
             for x in xl:
-                x.exception()
+                try:
+                    x.exception()
+                except:
+                    logger.exception("Uncatched exception on server exception")
             for w in wl:
-                w.write_select()
+                try:
+                    w.write_select()
+                except:
+                    logger.exception("Uncatched exception on server write")
             for r in rl:
                 for i in r.read():
-                    self.receive_message(r, i)
+                    try:
+                        self.receive_message(r, i)
+                    except:
+                        logger.exception("Uncatched exception on server read")
 
 
     # Events methods