Revision 35, 1.4 kB
(checked in by jerome, 18 years ago)
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Documents samplenotifier.
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[35] | 1 | #! /usr/bin/env python |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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| 3 | # |
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| 4 | |
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| 5 | """This command can be placed in /usr/lib/cups/notifier and |
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| 6 | used as the notifications' recipient when creating IPP subscriptions. |
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| 7 | |
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| 8 | It will automatically ensures that each time a printer is added or |
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| 9 | removed from CUPS it is also added or removed from PyKota's database. |
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| 10 | |
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| 11 | IMPORTANT : because of a bug in CUPS 1.2.1, this command only works |
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| 12 | the first time a notification is sent.""" |
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| 13 | |
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| 14 | import sys |
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| 15 | import os |
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| 16 | import fcntl |
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| 17 | |
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| 18 | from pkipplib import pkipplib |
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| 19 | |
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| 20 | if __name__ == "__main__" : |
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| 21 | # |
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| 22 | # First thing we do is put stdin in non-blocking mode. |
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| 23 | fd = sys.stdin.fileno() |
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| 24 | fcntl.fcntl(sys.stdin.fileno(), fcntl.F_SETFL, |
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| 25 | fcntl.fcntl(fd, fcntl.F_GETFL) | os.O_NONBLOCK) |
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| 26 | |
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| 27 | # then we read the notification CUPS sent us to our stdin |
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| 28 | notification = pkipplib.IPPRequest(sys.stdin.read()) |
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| 29 | |
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| 30 | # now we parse it |
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| 31 | notification.parse() |
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| 32 | |
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| 33 | # then we act one way or another, depending on the event received. |
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| 34 | event = notification.event_notification["notify-subscribed-event"][0][1] |
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| 35 | if event in ("printer-added", "printer-deleted") : |
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| 36 | printername = notification.event_notification["printer-name"][0][1] |
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| 37 | if event.endswith("-added") : |
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| 38 | action = "add" |
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| 39 | else : |
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| 40 | action = "delete" |
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| 41 | os.system('/usr/bin/pkprinters --%s "%s"' % (action, printername)) |
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