Enable direct print on linux again

Unfortunately direct print on linux is not working any more. There are quite old versions where it is working. It should be added again.

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review44491002 updated at https://codereview.tryton.org/44491002/#ps1

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Some conversation relevant to the issue:

http://www.tryton.org/~irclog/2017-12-12.log.html#t2017-12-12%2013:47

So I think we need to have an option to define the printing command (like for email). If empty, on Windows we fallback to the system print command. On others we deactivate the direct print button.

+1 I see now that there is more work to do

If we want to provide a solution to make direct print possible on linux again i think we will not only need one printing command but a list of printing commands depending on the file type that needs to be printed.

So we could do something like this:
1. Provide a list of printing commands for different file types
2. Provide a fallback printing command for all other file types
3. If no fallback printing command is provided then fallback to system print command on windows. On other plattforms we keep the current behavior that the report will be opened.

No, this is too much complex. Any want who want such feature will just have to write a printer script that does that. So a single command is enough.

I agree with cedric. A single command is better.

Maybe we can include a simple script in the linux client distribution.

On 2017-12-15 13:48, Sergi Almacellas Abellana wrote:
> Maybe we can include a simple script in the linux client distribution.

I think it does not make sense. If we could provide such script, we
would use it by default to print.

My msg37266 is no more valid. The experience of the email command line shows that it creates more issue than solving (see #9449 (closed)). I think we can consider lp and lpr as defacto standard. To solve the OpenDocument issue, I think we should just test the type and use soffice to print such files.

assigned to @ced

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review44491002 updated at https://codereview.tryton.org/44491002/#ps351731002

review44491002 updated at https://codereview.tryton.org/44491002/#ps342111003

I think this review44491002 should be included in 6.0 (even out of delay) because it is fixing the problem of zip printing (even on Windows).

+1

New changeset 16225253cf29 by Cédric Krier in branch 'default':
Add direct print to UNIX and support printing zip archive
https://hg.tryton.org/tryton/rev/16225253cf29

closed

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New changeset d5e016745506 by Cédric Krier in branch 'default':
Add direct print to UNIX and support printing zip archive
https://hg.tryton.org/tryton-env/rev/d5e016745506