GNU bug report logs - #30662
Borg crashes when run with python-msgpack > 0.4.6

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: bug-guix <at> gnu.org
Subject: Borg crashes when run with python-msgpack > 0.4.6
Date: Wed, 28 Feb 2018 22:18:17 -0500

[Message part 1 (text/plain, inline)]

Borg fails to create new backups ("archives") with python-msgpack later
than 0.4.6:

------
Traceback (most recent call last):
  File "/gnu/store/14v77f8h72z5qvzl74m5rv0pkkrk1l5s-borg-1.1.4/bin/.borg-real", line 6, in <module>
    from pkg_resources import load_entry_point
  File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3017, in <module>
    @_call_aside
  File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3003, in _call_aside
    f(*args, **kwargs)
  File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3030, in _initialize_master_working_set
    working_set = WorkingSet._build_master()
  File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 659, in _build_master
    ws.require(__requires__)
  File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 967, in require
    needed = self.resolve(parse_requirements(requirements))
  File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 853, in resolve
    raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'msgpack-python>=0.4.6' distribution was not found and is required by borgbackup
------

I'll create a python-msgpack-0.4.6 package as a quick fix as soon as I
get a bug number from debbugs.

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Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: bug-guix <at> gnu.org
Subject: Re: Borg crashes when run with python-msgpack > 0.4.6
Date: Wed, 28 Feb 2018 22:37:37 -0500

[Message part 1 (text/plain, inline)]

On Wed, Feb 28, 2018 at 10:18:17PM -0500, Leo Famulari wrote:
> Borg fails to create new backups ("archives") with python-msgpack later
> than 0.4.6:
> 
> ------
> Traceback (most recent call last):
>   File "/gnu/store/14v77f8h72z5qvzl74m5rv0pkkrk1l5s-borg-1.1.4/bin/.borg-real", line 6, in <module>
>     from pkg_resources import load_entry_point
>   File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3017, in <module>
>     @_call_aside
>   File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3003, in _call_aside
>     f(*args, **kwargs)
>   File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 3030, in _initialize_master_working_set
>     working_set = WorkingSet._build_master()
>   File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 659, in _build_master
>     ws.require(__requires__)
>   File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 967, in require
>     needed = self.resolve(parse_requirements(requirements))
>   File "/gnu/store/3lkypf5wnsnvkaidhw0pv7k3yjfh1r9g-python-3.6.3/lib/python3.6/site-packages/pkg_resources/__init__.py", line 853, in resolve
>     raise DistributionNotFound(req, requirers)
> pkg_resources.DistributionNotFound: The 'msgpack-python>=0.4.6' distribution was not found and is required by borgbackup
> ------
> 
> I'll create a python-msgpack-0.4.6 package as a quick fix as soon as I
> get a bug number from debbugs.

Actually, that's not what's going on. Taking a closer look...

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Message #13 received at 30662-done <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: 30662-done <at> debbugs.gnu.org
Subject: Re: Borg crashes when run with python-msgpack > 0.4.6
Date: Wed, 28 Feb 2018 23:46:10 -0500

[Message part 1 (text/plain, inline)]

On Wed, Feb 28, 2018 at 10:18:17PM -0500, Leo Famulari wrote:
> Borg fails to create new backups ("archives") with python-msgpack later
> than 0.4.6:

> pkg_resources.DistributionNotFound: The 'msgpack-python>=0.4.6' distribution was not found and is required by borgbackup

The name of the library was changed, but there is an option to build a
transitional variant of the library.

Commit acb59d99dbb8779ecf41cdbba45d2ce8ba88f5ed does that and uses it
for borg.

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