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#1 2019-11-19 00:34:58

Registered: 2012-09-18
Posts: 50

[SOLVED] python2-mutagen upgrade breaks mutagen, required by nicotine+

As you can see...

:: Starting full system upgrade...
resolving dependencies...
looking for conflicting packages...
error: failed to prepare transaction (could not satisfy dependencies)
:: installing python2-mutagen (1.43.0-1) breaks dependency 'mutagen' required by nicotine+

...I cannot upgrade python2-mutagen because of mutagen ("virtual" dependency). … nicotine+/

pacman -Si nicotine+
Repository      : community
Name            : nicotine+
Version         : 1.4.1-3
Description     : Soulseek music-sharing client, written in python
Architecture    : any
URL             :
Licenses        : GPL
Groups          : None
Provides        : None
Depends On      : mutagen  pygtk
Optional Deps   : python2-geoip: to enable Geographical blocker
Conflicts With  : nicotine
Replaces        : nicotine
Download Size   : 2.88 MiB
Installed Size  : 7.04 MiB
Packager        : Antonio Rojas <>
Build Date      : Thu 26 Oct 2017 04:44:35 PM WEST
Validated By    : MD5 Sum  SHA-256 Sum  Signature … be488e1fd5

"Update mutagen dependencypackages/nicotine+"

-depends=(mutagen pygtk)
+depends=(python2-mutagen pygtk)

How to fix this?

Last edited by damnbug (2019-11-19 20:34:51)


#2 2019-11-19 00:54:38

Inspector Parrot
Registered: 2011-11-29
Posts: 23,892

Re: [SOLVED] python2-mutagen upgrade breaks mutagen, required by nicotine+

I don't know enough about mutagen to know if python-mutagen or python2-mutagen should provide it, but clearly there is a packaging bug as nicotine+ in the repos depends on a package that does not exist and is not provided by any package in the repos.  I have none of the above mentioned packages installed and nicotine+ cannot be installed:

$ pacman -S nicotine+
resolving dependencies...
warning: cannot resolve "mutagen", a dependency of "nicotine+"
:: The following package cannot be upgraded due to unresolvable dependencies:

:: Do you want to skip the above package for this upgrade? [y/N] y
looking for conflicting packages...
 there is nothing to do

I'd report this as a bug against the nicotine+ package first.  It could be reassigned to the python(2)-mutagen packages if they should actually still provide the virtual package 'mutagen'.

"UNIX is simple and coherent..." - Dennis Ritchie, "GNU's Not UNIX" -  Richard Stallman


#3 2019-11-19 11:05:33

From: Netherlands, Europe
Registered: 2005-10-04
Posts: 8,265

Re: [SOLVED] python2-mutagen upgrade breaks mutagen, required by nicotine+

Multi-init booting with apg Openrc and systemd coexisting
Automounting : not needed, i prefer pmount
Aur helpers : makepkg + my own local repo === rarely need them


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