| 57 | | def beginJob(self) : |
| 58 | | """Saves the computed job size.""" |
| 59 | | self.JobSize = self.computeJobSize() |
| 60 | | |
| 61 | | # get last job information for this printer |
| 62 | | if not printer.LastJob.Exists : |
| 63 | | # The printer hasn't been used yet, from PyKota's point of view |
| 64 | | self.LastPageCounter = 0 |
| 65 | | else : |
| 66 | | # get last job size and page counter from Quota Storage |
| 67 | | # Last lifetime page counter before actual job is |
| 68 | | # last page counter + last job size |
| 69 | | self.LastPageCounter = int(printer.LastJob.PrinterPageCounter or 0) + int(printer.LastJob.JobSize or 0) |
| 70 | | |
| 71 | | def endJob(self) : |
| 72 | | """Do nothing.""" |
| 73 | | pass |
| 74 | | |
| 75 | | def getJobSize(self) : |
| 76 | | """Returns the actual job size.""" |
| 77 | | try : |
| 78 | | return self.JobSize |
| 79 | | except AttributeError : |
| 80 | | return 0 |
| 81 | | |
| 82 | | def doAccounting(self, printer, user) : |
| 83 | | """Does print accounting by stupidly counting the 'showpage' postscript instructions in the document. |
| 84 | | |
| 85 | | This method is essentially unreliable, but shows how to create a simple accounter. |
| 86 | | """ |
| 87 | | # first we log a message because using this accounting method is not recommended. |
| 88 | | self.filter.logger.log_message(_("Using the 'stupid' accounting method is unreliable."), "warn") |
| 89 | | |
| 90 | | # get the job size |
| 91 | | jobsize = self.computeJobSize() * self.filter.copies |
| 92 | | |
| 93 | | # get last job information for this printer |
| 94 | | if not printer.LastJob.Exists : |
| 95 | | # The printer hasn't been used yet, from PyKota's point of view |
| 96 | | counterbeforejob = 0 |
| 97 | | else : |
| 98 | | # get last job size and page counter from Quota Storage |
| 99 | | # Last lifetime page counter before actual job is |
| 100 | | # last page counter + last job size |
| 101 | | counterbeforejob = int(printer.LastJob.PrinterPageCounter or 0) + int(printer.LastJob.JobSize or 0) |
| 102 | | |
| 103 | | # Is the current user allowed to print at all ? |
| 104 | | userpquota = self.filter.storage.getUserPQuota(user, printer) |
| 105 | | action = self.filter.warnUserPQuota(userpquota) |
| 106 | | |
| 107 | | # update the quota for the current user on this printer, if allowed to print |
| 108 | | if action == "DENY" : |
| 109 | | jobsize = 0 |
| 110 | | else : |
| 111 | | userpquota.increasePagesUsage(jobsize) |
| 112 | | |
| 113 | | # adds the current job to history |
| 114 | | jobprice = (float(printer.PricePerPage or 0.0) * jobsize) + float(printer.PricePerJob or 0.0) |
| 115 | | printer.addJobToHistory(self.filter.jobid, user, counterbeforejob, action, jobsize, jobprice, self.filter.preserveinputfile, self.filter.title, self.filter.copies, self.filter.options) |
| 116 | | |
| 117 | | return action |
| 118 | | |
