From 0e1178bd1aa6dcb796d741d298828a5e204723d0 Mon Sep 17 00:00:00 2001
From: Daniel STAN <daniel.stan@crans.org>
Date: Fri, 5 Dec 2014 13:24:06 +0100
Subject: [PATCH] =?UTF-8?q?impression=5Fhp:=20=C3=A9tat=20d'un=20bac?=
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Et utilise le bac 4 en prio, par rapport au 3, lorsqu'il n'est pas low.
---
 impression/impression_hp.py | 40 ++++++++++++++++++++++++++++++-------
 1 file changed, 33 insertions(+), 7 deletions(-)

diff --git a/impression/impression_hp.py b/impression/impression_hp.py
index e83f137d..5bd8e39f 100644
--- a/impression/impression_hp.py
+++ b/impression/impression_hp.py
@@ -10,14 +10,12 @@ License: GPLv3
 """
 # impression_hp.py
 #
-#     Classe impression pour HP MFP 880
-#
-# Copyright (c) 2006, 2007, 2008, 2009 by Cr@ns (http://www.crans.org)
-# #############################################################
 
 import sys, os
 import logging
 import logging.handlers
+import BeautifulSoup
+import requests
 
 if '/usr/scripts' not in sys.path:
     sys.path.append('/usr/scripts')
@@ -28,6 +26,12 @@ from gestion.config import impression as config_impression
 from subprocess import Popen, PIPE, check_output
 import livret
 
+## Pour les codes qui se connectent direct à l'imprimante en http
+BASE_URL = 'https://imprimante.adm.crans.org'
+URL_JOBLIST = BASE_URL + '/hp/device/JobLogReport/Index'
+URL_STATE = BASE_URL + '/'
+CA = '/etc/ssl/certs/cacert.org.pem'
+
 ##
 logger = logging.getLogger('impression_hp')
 logger.setLevel(logging.DEBUG)
@@ -165,7 +169,7 @@ class Perforation(SelectOption):
 #
 #
 class impression(object):
-    """impression
+    """impression d'un fichier avec l'imprimante HP MFP M880
 
     Un objet impression correspond à un fichier pdf et un adhérent.
     """
@@ -366,6 +370,24 @@ class impression(object):
         # imprime le document
         self._exec_imprime()
 
+    _doc = None
+    def low_tray(self, num):
+        """Indique si un bac est vide ou presque vide"""
+        if self._doc is None:
+            req = requests.get(URL_STATE, verify=CA)
+            self._doc = BeautifulSoup.BeautifulSoup(req.text)
+        try:
+            tray = self._doc.findAll(attrs={'id': 'TrayBinStatus_%d' % num})[0]
+        except IndexError:
+            return False
+        state = tray.attrMap['class']
+        if 'morethan40' in state or 'between20and40':
+            return False
+        if 'empty' in state:
+            return True
+        logger.info('Unknown Tray State: %s' % state)
+        return False
+
     def _calcule_prix(self):
 
         faces = self._pages
@@ -455,8 +477,12 @@ class impression(object):
             options.append('InputSlot=Tray1')
         elif self._settings['livret'].value:
             options.append('InputSlot=Tray2')
-        else:
-            options.append('InputSlot=Tray3')
+        else: # A4, dans Tray3 et Tray4
+            ## On utilise en priorité le Tray 4 (plus gros)
+            if not self.low_tray(4) or self.low_tray(3):
+                options.append('InputSlot=Tray4')
+            else:
+                options.append('InputSlot=Tray3')
             
 
         if not self._settings['couleur'].value: