From 7079fc3afda279176b78b6b9d27c81a16dcfe221 Mon Sep 17 00:00:00 2001
From: Olivier Dony <odo@openerp.com>
Date: Tue, 18 Feb 2014 12:08:24 +0100
Subject: [PATCH] [FIX] hw_escpos: do not start queue processor if ESC/POS not
 available

bzr revid: odo@openerp.com-20140218110824-pdy54bdmm0appntu
---
 addons/hw_escpos/controllers/main.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/addons/hw_escpos/controllers/main.py b/addons/hw_escpos/controllers/main.py
index c2e777fcd3a..58c02ebf59f 100644
--- a/addons/hw_escpos/controllers/main.py
+++ b/addons/hw_escpos/controllers/main.py
@@ -95,6 +95,9 @@ class EscposDriver(Thread):
             _logger.warning('ESC/POS Device Disconnected: '+message)
 
     def run(self):
+        if not escpos:
+            _logger.error('ESC/POS cannot initialize, please verify system dependencies.')
+            return
         self.queue = Queue()
         while True:
             try: