Changeset 1180 for pykota/trunk/pykota/accounters/external.py

Timestamp:

11/13/03 00:29:24 (21 years ago)

Author:

jalet

Message:

More work on new backend. This commit may be unstable.

Files:

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

pykota/trunk/pykota/accounters/external.py

@@ -22 +22 @@
 #
 # $Log$
+# Revision 1.8  2003/11/12 23:29:24  jalet
+# More work on new backend. This commit may be unstable.
+#
 # Revision 1.7  2003/10/07 09:07:28  jalet
 # Character encoding added to please latest version of Python
@@ -54 +57 @@
 
 class Accounter(AccounterBase) :
+    def beginJob(self, printer, user) :    
+        """Saves the computed job size."""
+        # computes job's size
+        self.JobSize = self.computeJobSize()
+        
+        # get last job information for this printer
+        if not printer.LastJob.Exists :
+            # The printer hasn't been used yet, from PyKota's point of view
+            self.LastPageCounter = 0
+        else :    
+            # get last job size and page counter from Quota Storage
+            # Last lifetime page counter before actual job is 
+            # last page counter + last job size
+            self.LastPageCounter = int(printer.LastJob.PrinterPageCounter or 0) + int(printer.LastJob.JobSize or 0)
+        
+    def endJob(self, printer, user) :    
+        """Do nothing."""
+        pass
+        
+    def getJobSize(self) :    
+        """Returns the actual job size."""
+        try :
+            return self.JobSize
+        except AttributeError :    
+            return 0
+        
     def doAccounting(self, printer, user) :
         """Deletgates the computation of the job size to an external command.
@@ -59 +88 @@
            The command must print the job size on its standard output and exit successfully.
         """
+        self.beginJob(printer, user)
+        
         # get the job size, which is real job size * number of copies.
         jobsize = self.getJobSize() * self.filter.copies
-            
-        # get last job information for this printer
-        if not printer.LastJob.Exists :
-            # The printer hasn't been used yet, from PyKota's point of view
-            counterbeforejob = 0
-        else :    
-            # get last job size and page counter from Quota Storage
-            # Last lifetime page counter before actual job is 
-            # last page counter + last job size
-            counterbeforejob = int(printer.LastJob.PrinterPageCounter or 0) + int(printer.LastJob.JobSize or 0)
             
         # Is the current user allowed to print at all ?
@@ -83 +104 @@
         
         # adds the current job to history    
-        printer.addJobToHistory(self.filter.jobid, user, counterbeforejob, action, jobsize)
+        printer.addJobToHistory(self.filter.jobid, user, self.getLastPageCounter(), action, jobsize)
+        
+        self.endJob(printer, user)
             
         return action
         
-    def getJobSize(self) :    
+    def computeJobSize(self) :    
         """Feeds an external command with our datas to let it compute the job size, and return its value."""
         temporary = None