weiweidetutu / cupsutils

CupsUtils

Usage

Open terminal and execute following commands.

Go to the build dir:

cd <path-to-build-dir>

getPrinters

./getPrinters

Returns local printers list.

listOptionsForPrinterName

./listOptionsForPrinterName <printer-name>

Return list of printer options and values.

setOptionForPrinterWithName

./setOptionForPrinterWithName <printer-name> <option-name> <option-value>

Set option value for printer.

It is equivalent for:

lpadmin -p printer -o <option-name>=<option-value>

The command:

./setOptionForPrinterWithName <printer-name> device-uri <new-device-uri>

Is equvalent for:

lpadmin -p printername -v device-uri

Set printer hold new jobs until indefinite

lpadmin -p printer -o job-hold-until-default=indefinite

Get the device_uri for specified printer name, which is obtained from getPrinters command.

./getURIForPrinterName <printer-name>

Listening to CUPS notifications

Usage Scenario: tea4cups alternative

1. Install printing operations policy:

./policyManager.py -f /etc/cups/cupsd.conf -i

This policy will specify that only root can release, continue or set job attributes.

2. Get list of printers

./getPrinters

3. Make desired printers hold job until indefinite by default

./setPrinterJobHoldUntilDefaultIndefinite <printer-name>

4. Make desired printers use custom printing operation policy that was installed by policyManager

./setOptionForPrinterName <printer-name> printer-op-policy printingdlp

5. You can be notified when new print job added:

./cupsNotificationsListenerOSX

6. Once print job job is added, it becames on pause.
7. You can obtain printing document from job:

./getDocument

8. You can do your activity with the job: read attributes, inspect print data. The job will be holded.
9. You can release job or cancel it:

./releaseJob

For canceling, see CupsUtils.hpp