/usr/share/cups/examples/constraint.drv is in cups-ppdc 1.7.2-0ubuntu1.11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | // Include standard font and media definitions
#include <font.defs>
#include <media.defs>
// List the fonts that are supported, in this case all standard
// fonts...
Font *
// Manufacturer, model name, and version
Manufacturer "Foo"
ModelName "FooJet 2000"
Version 1.0
// Each filter provided by the driver...
Filter application/vnd.cups-raster 100 rastertofoo
// Supported page sizes
*MediaSize Letter
MediaSize A4
// Supported resolutions
*Resolution k 8 0 0 0 "600dpi/600 DPI"
// Installable Option Group
Group "InstallableOptions/Options Installed"
// Duplexing unit option
Option "Option1/Duplexing Unit" Boolean AnySetup 10
Choice True/Installed ""
*Choice "False/Not Installed" ""
// General Option Group
Group General
// Duplexing option
Option "Duplex/Two-Sided Printing" PickOne AnySetup 10
*Choice "None/No" "<</Duplex false>>setpagedevice"
Choice "DuplexNoTumble/Long Edge Binding"
"<</Duplex true/Tumble false>>setpagedevice"
Choice "DuplexTumble/Short Edge Binding"
"<</Duplex true/Tumble true>>setpagedevice"
// Only allow duplexing if the duplexer is installed
UIConstraints "*Duplex *Option1 False"
// Specify the name of the PPD file we want to generate...
PCFileName "foojet2k.ppd"
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