[PATCH 2 of 3 v2] hghave: add demandimport checking

[Gábor STEFANIK]

>


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-----Original Message-----
> From: Mercurial-devel [mailto:mercurial-devel-bounces at mercurial-scm.org]
> On Behalf Of timeless
> Sent: Friday, August 26, 2016 12:42 AM
> To: mercurial-devel at mercurial-scm.org
> Subject: [PATCH 2 of 3 v2] hghave: add demandimport checking
>
> # HG changeset patch
> # User timeless <timeless at mozdev.org>
> # Date 1472164235 0
> #      Thu Aug 25 22:30:35 2016 +0000
> # Node ID 2122bf277e3ad68bd59d1d5cea79fea137b09c5a
> # Parent  d240f3e2d0d3f2be06ca5a7b04fa4b6d99e695ff
> # Available At https://bitbucket.org/timeless/mercurial-crew
> #              hg pull https://bitbucket.org/timeless/mercurial-crew -r
> 2122bf277e3a
> hghave: add demandimport checking
>
> diff -r d240f3e2d0d3 -r 2122bf277e3a tests/hghave.py
> --- a/tests/hghave.pyThu Aug 25 22:03:51 2016 +0000
> +++ b/tests/hghave.pyThu Aug 25 22:30:35 2016 +0000
> @@ -522,6 +522,11 @@
>                           br'other supported Python versions')
>      return dpkg and dh and dh_py2
>
> + at check("demandimport", "demandimport enabled") def
> has_demandimport():
> +    return not ('HGDEMANDIMPORT' in os.environ and
> +                os.environ['HGDEMANDIMPORT'] == 'disable')

Again, more concise with os.environ.get().

> +
>  @check("absimport", "absolute_import in __future__")  def
> has_absimport():
>      import __future__
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