[bug#34515] [PATCH 13/13] gnu: Add Magic-Wormhole.

[Leo Famulari]

On Mon, Feb 18, 2019 at 09:51:11AM +0100, Ricardo Wurmus wrote:
> Leo Famulari <address@hidden> writes:
> > * gnu/packages/magic-wormhole.scm (magic-wormhole): New variable.
> […]
> > +         ;; XXX I can't figure out how to build the docs properly.
> > +         (add-after 'install 'install-docs
> > +           (lambda* (#:key outputs #:allow-other-keys)
> > +             (let* ((out (assoc-ref outputs "out"))
> > +                    (man (string-append out "/share/man/man1")))
> > +               (install-file "docs/wormhole.1" man))
> > +             #t)))))
> 
> What does it mean to build them properly?  Should anything besides the
> man pages be built?

In short, it fails like this:

------
make: Entering directory 
'/tmp/guix-build-magic-wormhole-0.11.2.drv-0/magic-wormhole-0.11.2/docs'
Running Sphinx v1.7.7
setup.py:20: DeprecationWarning: 'U' mode is deprecated
  long_description=open('README.md', 'rU').read(),
/gnu/store/b7fqhszxl02g6pfm3vw6b3cjz472qrly-python-3.7.0/lib/python3.7/distutils/dist.py:274:
 UserWarning: Unknown distribution option: 'long_description_content_type'
  warnings.warn(msg)

Configuration error:
There is a programable error in your configuration file:

Traceback (most recent call last):
  File 
"/gnu/store/q6qyrgr41lqzbray6944l1rs7i6b83kp-python-sphinx-1.7.7/lib/python3.7/site-packages/sphinx/config.py",
 line 161, in __init__
    execfile_(filename, config)
  File 
"/gnu/store/q6qyrgr41lqzbray6944l1rs7i6b83kp-python-sphinx-1.7.7/lib/python3.7/site-packages/sphinx/util/pycompat.py",
 line 150, in execfile_
    exec_(code, _globals)
  File "conf.py", line 70, in <module>
    version, release = _get_versions()
  File "conf.py", line 67, in _get_versions
    short = ".".join(v.split(".")[:2])
TypeError: a bytes-like object is required, not 'str'

make: *** [Makefile:20: man] Error 2
make: Leaving directory 
'/tmp/guix-build-magic-wormhole-0.11.2.drv-0/magic-wormhole-0.11.2/docs'
------

Using the patch under discussion, only a pre-built manual page is
installed.

There is apparently a build script that uses Sphinx to build a more full
set of manual pages, from markdown source files. This documentation
would discuss the design and implementation of Magic-Wormhole, and it
would be nice to have.

With the attached patch, the problem can be reproduced, and I've
reported it upstream here:

https://github.com/warner/magic-wormhole/issues/321

> > +    (native-inputs
> > +     `(("python-mock" ,python-mock)
> > +       ;; XXX These are required for the test suite but end up being 
> > referenced
> > +       ;; by the built package.
> > +       ("magic-wormhole-mailbox-server" ,magic-wormhole-mailbox-server)
> > +       ("magic-wormhole-transit-relay" ,magic-wormhole-transit-relay)))
> 
> Are they not supposed to be referenced by the built package?
> If they are supposed to be used by the built package is it enough to
> have them as inputs and not as propagated inputs?

In this case they are actually native-inputs, not propagated-inputs. But
they still end up on the PYTHONPATHs in the built package, so they are
referenced.

I don't believe they are used by the magic-wormhole program except in
client-server way over the network. They shouldn't need to be part of
the closure of magic-wormhole.

doc-build.patch
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