Changeset 2615 for pykota/trunk/pykota/accounters/pjl.py

Timestamp:

01/13/06 21:33:33 (18 years ago)

Author:

jerome

Message:

Fixed a problem with fast printers : PyKota only saw them
as being 'idle' because they already went from 'idle'
to 'printing' to 'idle' again.

Files:

• pykota/trunk/pykota/accounters/pjl.py (modified) (4 diffs)

pykota/trunk/pykota/accounters/pjl.py

@@ -33 +33 @@
 ITERATIONDELAY = 1   # 1 Second
 STABILIZATIONDELAY = 3 # We must read three times the same value to consider it to be stable
+NOPRINTINGMAXDELAY = 30 # The printer must begin to print within 30 seconds.
 
 # Here's the real thing :
@@ -130 +131 @@
     def waitPrinting(self) :
         """Waits for printer status being 'printing'."""
+        previousValue = self.parent.getLastPageCounter()
+        timebefore = time.time()
         firstvalue = None
         while 1:
@@ -147 +150 @@
                         # So we can probably quit being sure it is printing.
                         self.parent.filter.printInfo("Printer %s is lying to us !!!" % self.parent.filter.PrinterName, "warn")
+                        break
+                    elif (time.time() - timebefore) > NOPRINTINGMAXDELAY :
+                        # More than X seconds without the printer being in 'printing' mode
+                        # We can safely assume this won't change
+                        if self.printerInternalPageCounter == previousValue :
+                            # Here the job won't be printed, because probably
+                            # the printer rejected it for some reason.
+                            self.parent.filter.printInfo("Printer %s probably won't print this job !!!" % self.parent.filter.PrinterName, "warn")
+                        else :     
+                            # Here the job has already been entirely printed, and
+                            # the printer has already passed from 'idle' to 'printing' to 'idle' again.
+                            self.parent.filter.printInfo("Printer %s has probably already printed this job !!!" % self.parent.filter.PrinterName, "warn")
                         break
             self.parent.filter.logdebug(_("Waiting for printer %s to be printing...") % self.parent.filter.PrinterName)
@@ -204 +219 @@
             self.filter = fakeFilter()
             self.protocolHandler = Handler(self, sys.argv[1])
+            
+        def getLastPageCounter(self) :    
+            return 0
         
     acc = fakeAccounter()