No specific packager available for the distro version ubuntu_16_04_xenial

[Matthew Thyer]

David,

As the traceback occurs after cerbero declares that “ubuntu_16_04_xenial” has no specific packager, I’m wondering whether I still have a chance to produce packages by using some other Linux distribution (e.g. would Debian 9.4 x86_64 work?).
How would I find out what distributions are supported for packaging?
I’m guessing that distros like Ubuntu aren’t building GStreamer using cerbero or else this wouldn’t still be an issue.
For the Linux case it seems that I can revert to building from git as per the FAQ answer: “Building GStreamer from git<https://gstreamer.freedesktop.org/documentation/frequently-asked-questions/git.html>”.
I guess that I should examine Ubuntu’s launchpad.net<https://launchpad.net/> to understand how they are packaging GStreamer.

From: gstreamer-devel <gstreamer-devel-bounces at lists.freedesktop.org> On Behalf Of David Ing
Sent: Wednesday, 25 April 2018 11:54 PM
To: Discussion of the development of and with GStreamer <gstreamer-devel at lists.freedesktop.org>
Subject: Re: No specific packager available for the distro version ubuntu_16_04_xenial

Cerbero was recently converted to python 3 from python 2.  Python 3 uses a different string encoding standard (utf8 I think) and errors like this often appear when something was missed during the conversion process.

You might try debugging with pycharm to patch the offending line of code.

On Tue, Apr 24, 2018, 1:27 AM Matthew Thyer <matthew.thyer at adelaide.edu.au<mailto:matthew.thyer at adelaide.edu.au>> wrote:
Greetings gstreamer-devel list,

I’m wishing to build and package GStreamer v1.14 (or later) for the ARM32 hard-float architecture (for Raspberry Pi 2, 3, 3B+). I mean the GNU Triplet: arm-linux-gnueabihf.
As you may have seen from my last two emails (“Failure to cross compile GStreamer v1.14 with config/cross-lin-arm.cbc” & “How to cross compile GStreamer for Raspberry Pi 2, 3, 3B+ (arch=armhf)?”) I’m not currently able to cross compile for this outcome so I have instead setup docker on my Raspberry Pi 3 and run a native build. This completes normally but then fails to package the results of the build.
It looks like cerbero tries to fall back to some kind of default packager but then crashes and I get a python traceback.

The error messages from the failure are:

WARNING: No specific packager available for the distro version ubuntu_16_04_xenial, using generic packager for distro debian

WARNING: No packager defined, using default packager "Default <default at change.me<mailto:default at change.me>>"

Traceback (most recent call last):

 File "./cerbero-uninstalled", line 9, in <module>

   main()

 File "./cerbero/main.py", line 130, in main

   Main(sys.argv[1:])

 File "./cerbero/main.py", line 55, in __init__

   self.run_command()

 File "./cerbero/main.py", line 105, in run_command

   res = commands.run(command, self.config, self.args)

 File "./cerbero/commands/__init__.py", line 78, in run

   return _commands[command].run(config, args)

 File "./cerbero/commands/package.py", line 82, in run

   pkg = Packager(config, p, self.store)

 File "./cerbero/packages/packager.py", line 53, in __new__

   return _packagers[d][v](config, package, store)

 File "./cerbero/packages/debian.py", line 448, in __new__

   return DebianPackager(config, package, store)

 File "./cerbero/packages/debian.py", line 187, in __init__

   self.license = f.read()

 File "/usr/lib/python3.5/encodings/ascii.py", line 26, in decode

   return codecs.ascii_decode(input, self.errors)[0]

UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 0: ordinal not in range(128)

I’ve confirmed that I get the same error when running a native build in a docker container on an x86_64 VM so this problem is not specific to the ARM architecture.
Does anyone have a solution for this issue?

Regards,

---
Matthew Thyer
(08) 8313 9283
4.38 Ingkarni Wardli
Adelaide University

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