bug#26500: [PATCH] gnu: Add mcomix.

[ng0]

Arun Isaac transcribed 2.4K bytes:
> 
> nee writes:
> 
> >> If mupdf is a heavy dependency and it is not commonly needed, you can
> >> drop it and just package with 7z and rar as dependencies.
> >
> > I have successfully patched in the path for 7zip.
> > I init the variable that stores it with a unicode string. I make the
> > assumption that the store path will never contain a ' character.
> 
> > I read a little bit about unrar and it's issues with mcomix.
> > Unrar is very old and only supports RAR2, as someone says in the mcomix
> > issues it is unable to unpack most rar archives created after 2002¹. On
> > other distro mcomix currently relies on an unfree rar package², and
> > there is an open ticket³ about switching to a free library like
> > libarchiver (which supports RAR5 and is also used by file-roller, which
> > works fine on GuixSD).
> >
> > I tried unrar on the commandline and it would list file names, but
> > always fail on unpacking. When called by mcomix, it would always try to
> > read a password from stdin and freeze the gui.
> > I will omit rar support for now, since unrar is mostly useless.

Oh... this could be why zathura-cb has massive issues with most .cbr comics
I have! I had some ideas, but thanks for explaining this issue.

> Ok, that's fine.
> 
> > @@ -28,6 +29,7 @@
> >    #:use-module (guix packages)
> >    #:use-module (guix build-system gnu)
> >    #:use-module (guix build-system cmake)
> > +  #:use-module (guix build-system python)
> >    #:use-module (gnu packages autotools)
> >    #:use-module (gnu packages algebra)
> >    #:use-module (gnu packages base)
> > @@ -46,6 +48,7 @@
> >    #:use-module (gnu packages pkg-config)
> >    #:use-module (gnu packages qt)
> >    #:use-module (gnu packages xorg)
> > +  #:use-module (gnu packages python)
> >    #:use-module (gnu packages))
> 
> Since these modules are already in alphabetical order, it would be good
> to keep them that way. Insert (gnu packages python) at an appropriate
> position.
> 
> > +    (inputs `(("python2-pillow" ,python2-pillow)
> > +              ("python2-pygtk" ,python2-pygtk)
> > +              ("p7zip" ,p7zip)))
> 
> Please put these in alphabetical order too. That means p7zip will go on
> the top.
> 
> > +    (description "MComix is a customizable image viewer that specializes as
> > +a comic and manga reader.  It supports a variety of container formats
> > +including CBZ, CB7, CBT, LHA.
> > +CBR and rar are currently unsupported, due to unfree dependencies.
> > +For optional pdf support, you can install the mupdf package.")
> 
> Can we move the information about RAR and PDF support to a comment above
> the package definition, as done for the octave package?
> 
> 
> 

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