Merge branch 'master' into 'master'

Envoie de mail automatique, état de l'imprimante

L'imprimante envoie un mail quand elle est débranchée ou si elle n'a plus de papier.

See merge request !3

common.py

 #!/usr/bin/env python
 #-*- coding: utf-8 -*-
-PIDFILE = '/var/run/daemon.pid'
+PIDFILE = '/var/run/cransticket.pid'
 USER='crans_ticket'
 GROUP='adm'
 

daemon.py

@@ -3,11 +3,16 @@
 
 from __future__ import print_function
 import sys,os,pwd,grp
+# Bad namming: change namming
+from AdafruitThermal import Adafruit_Thermal as AdafruitThermal
 import common
 import pika
 import json
 import dump
 import config
+import threading, time, smtplib
+from email.mime.text import MIMEText
+from config import DEVICE
 
 def run():
     conn = pika.BlockingConnection(config.PARAMS)
@@ -22,9 +27,57 @@ def run():
     conn.close()
 # fork en arrière plan + pidfile
 
+def checkPaper():
+    printer = AdafruitThermal(DEVICE, 19200, timeout=5)
+    messageCourant =  False
+    messagePapier = False
+
+    def sendMel(msgfile, etat):
+        fp = open(msgfile, 'rb')
+        msg = MIMEText(fp.read())
+        fp.close()
+
+        me = 'oison@crans.org'
+        dest = 'respbats@crans.org'
+        msg['Subject'] = '''Etat de l'imprimante thermique : %s''' % etat
+        msg['From'] = me
+        msg['To'] = dest
+
+        s = smtplib.SMTP('smtp.crans.org', 25)
+        s.sendmail(me, [dest], msg.as_string())
+        s.quit()
+
+    def checkPrinter(dejaVu, messageCourant, messagePapier):
+        try:
+            papier = printer.hasPaper()
+            if messageCourant:
+                sendMel('melSecteur', 'alimentation')
+                messageCourant = False
+            else:
+                if not (messagePapier or papier):
+                    sendMel('melPasPapier', 'papier')
+                    messagePapier = True
+                if messagePapier and papier:
+                    sendMel('melPapier', 'papier')
+                    messagePapier = False
+        except TypeError:
+            if not messageCourant:
+                if dejaVu:
+                    sendMel('melSurBatterie', 'alimentation')
+                    messageCourant = True
+                else:
+                    time.sleep(600)
+                    messageCourant, messagePapier = checkPrinter(True, messageCourant, messagePapier)
+        return messageCourant, messagePapier
+
+    while True:
+        time.sleep(60)
+        messageCourant, messagePapier = checkPrinter(False, messageCourant, messagePapier)
     
 if __name__ == "__main__":
     if '-fg' in sys.argv:
+        thHasPaper = threading.Thread(target = checkPaper, name = 'checkPaper')
+        thHasPaper.start()
         run()
         exit()
     # do the UNIX double-fork magic, see Stevens' "Advanced
@@ -55,6 +108,9 @@ if __name__ == "__main__":
         print("fork #2 failed: %d (%s)" % (e.errno, e.strerror),file=sys.stderr)
         sys.exit(1)
 
-    # start the daemon main loop
+    # start the daemon thread to monitor the printer
+    thHasPaper = threading.Thread(target = checkPaper, name = 'checkPaper')
+    thHasPaper.start()
+    #main loop
     run()
 

melPapier

+Retour du papier !
+
+Le sain papier est de retour, loue soit il !
+
+-- 
+Oison

melPasPapier

+Help !!!
+
+Gentils cableurs, je n'ai plus de papier.
+
+-- 
+Oison

melSecteur

+Le courant est revenue !
+
+Merci de m'avoir branche.
+
+-- 
+Oison

melSurBatterie

+Help !!!
+
+Gentils cableurs derriere le bar, rebranchez moi, please !
+
+-- 
+Oison