From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ricardo Wurmus <rekado@elephly.net>
Subject: Re: Guix Workflow Language ?
Date: Thu, 25 Jan 2018 21:36:04 +0100
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To: zimoun <zimon.toutoune@gmail.com>
Cc: guix-devel@gnu.org


Hi,

zimoun <zimon.toutoune@gmail.com> writes:

> In this context, since 'lispy' syntax is not mainstream (and will
> never be), it appears to me as a hard position.

We=E2=80=99ve got you covered here: the GWL has built-in support for Wisp, =
a
pretty language extension for Guile.  It also comes with a bunch of
extra syntax support to make the definition of workflows easier.

Here=E2=80=99s a convoluted artificial example:

--8<---------------cut here---------------start------------->8---
define-module
    test

use-modules
    guix workflows
    guix processes
    gnu packages bioinformatics
    gnu packages python

process: simple-test
    package-inputs
        list python samtools
    data-inputs
        list "sample.bam" "hg38.fa" "abc"
    procedure #---{python}
import os

def hello():
  print "hello from python 3"
  print GWL['data-inputs']
  print GWL['name']

hello()
---

workflow: example-workflow
    processes
        list simple-test
--8<---------------cut here---------------end--------------->8---

Put this in a file called =E2=80=9Ctest.wisp=E2=80=9D and add the directory=
 to the
GUIX_WORKFLOW_PATH and you=E2=80=99re good to go.

Note that the =E2=80=9Csimple-test=E2=80=9D process definition embeds Pytho=
n code.  A
number of other languages can be supported easily.

I don=E2=80=99t think syntax should hold you back.

--
Ricardo

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