From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leo Famulari <leo@famulari.name>
Subject: Branching based on Python version (was [PATCH 2/6] gnu: add
	python-sqlparse and python2-sqlparse)
Date: Sun, 24 Apr 2016 15:24:02 -0400
Message-ID: <20160424192402.GD9128@jasmine>
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To: Hartmut Goebel <h.goebel@crazy-compilers.com>
Cc: guix-devel@gnu.org

On Thu, Apr 21, 2016 at 09:19:49PM +0200, Hartmut Goebel wrote:
> * gnu/packages/python.scm (python-sqlparse) (python2-sqlparse):
>   New variables.

> +    (arguments
> +     `(#:phases
> +       (modify-phases %standard-phases
> +         (replace 'check
> +           (lambda* _
> +             ;; setup.py-integrated 2to3 only affects the build files, but
> +             ;; py.test is using the source files. So we need to convert them
> +             ;; manually.
> +             (if (zero? (system* "python3"))
> +                 (system* "2to3" "--no-diff" "-wn" "sqlparse" "tests")
> +                 #t)
> +             (zero? (system* "py.test")))))))

I think there must be a better way to do this conditional, but I'm not
sure what it is. Does anyone have any ideas?