[Printing-architecture] Automatic printer setup with Printer Applications

Michael Sweet msweet at msweet.org
Thu Feb 25 15:30:55 UTC 2021


> On Feb 25, 2021, at 10:24 AM, Till Kamppeter <till.kamppeter at gmail.com> wrote:
> On 25/02/2021 14:33, Michael Sweet wrote:
>> Actually, I don't think you're going to find as many broken IPP-USB printers as you think since all but the first couple HP models  implemented IPP-USB to get AirPrint certification, which means it got tested extensively... :)
> When I see bug reports on OpenPrinting or Ubuntu on non-working IPP-over-USB printers they are usually HP, probably these old printers which you mean.
>> Up to you, but I would expect some user confirmation before installing any software on my computer...
> Simply some pop-up like "Found Acme LaserStar 1000+. Install Acme Printer Application?" would be enough.

Agreed, potentially with a prompt for the admin password.  Not that I expect malware in the snap store (for example), but we don't want to make it an obvious target.

>> Why?  The printer application can just be run with the "autoadd" sub-command, no need to link against PAPPL for that.
> Or if you do not want to call an external executable via command line, do IPP with libcups to create the queue (with driver selection "auto").

The challenge there is to find the right socket to talk to... :/

Michael Sweet

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