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Date: Fri, 5 Oct 2012 14:58:20 -0400
Message-ID: <CA+pR4LW_Hh6RAEMd=ZpA7Kgai9mFtaPfwuq_EWReQFdH0ds...@mail.gmail.com>
Subject: Re: [gyp-developer] Any way to prepend/append a string to each item
of a list variable?
From: Eric Boren <bore...@google.com>
To: Mark Mentovai <m...@chromium.org>
Cc: Ryan Sleevi <rsle...@chromium.org>, Marc-Antoine Ruel <mar...@chromium.org>,
gyp-developer <gyp-developer@googlegroups.com>
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Okay. Then is there a way to do what I'm talking about? Basically, I have
a meta-target which has several dependencies in separate files. In my
top-level "all" target, I want to list those same targets (but with a
different path, since that file is in the parent directory), in addition to
the meta-target, so that I can build them all at once with the meta-target
OR build them independently. Right now I have to copy the same list around
several times with slightly different prefixes. It seems like using a list
variable would be the most elegant way to handle it.
On Fri, Oct 5, 2012 at 2:53 PM, Mark Mentovai <m...@chromium.org> wrote:
> It is a bug. It shouldn=92t work. It might trip up gyp --check, and even =
if
> it doesn=92t, it might just stop working in the future.
>
>
> On Fri, Oct 5, 2012 at 2:45 PM, Ryan Sleevi <rsle...@chromium.org> wrote:
>
>> A perhaps off-topic diversion, but are the Pythonic idioms from Eric's
>> example meant to be supported in canonical GYP syntax? I had thought
>> that their ability to be used was more of a "bug" than a "feature",
>> and may be lost at any time, but I wasn't sure if that was a shared
>> feeling.
>>
>> On Fri, Oct 5, 2012 at 11:39 AM, Marc-Antoine Ruel <mar...@chromium.org>
>> wrote:
>> > Create a meta-target in somefile.gyp that depends on a, b, c, d with
>> 'type':
>> > 'none'.
>> >
>> > Then in the other file depend only on the meta-target.
>> >
>> > M-A
>> >
>> >
>> > 2012/10/5 Eric Boren <bore...@google.com>
>> >>
>> >> I have something like this:
>> >> 'variables': {
>> >> 'my_awesome_list': [
>> >> 'a',
>> >> 'b',
>> >> 'c',
>> >> 'd',
>> >> ],
>> >> },
>> >>
>> >> And I want to use it elsewhere like this:
>> >> ......
>> >> 'dependencies': [
>> >> 'somefile.gyp:<@(my_awesome_list)',
>> >> ],
>> >> ......
>> >>
>> >> Which does not work. I've tried doing this with a list comprehension=
:
>> >> ......
>> >> 'dependencies': ['somefile.gyp:%s' % item for item in
>> >> '<@(my_awesome_list)'.split(' ')],
>> >> ......
>> >>
>> >> But that evaluates to:
>> >> 'dependencies': [
>> >> 'somefile.gyp:a b c d',
>> >> ],
>> >>
>> >> If I change it to:
>> >> ......
>> >> 'dependencies': ['%s' % item for item in '<@(my_awesome_list)'.split(=
'
>> >> ')],
>> >> ......
>> >>
>> >> It evaluates to:
>> >> 'dependencies': [
>> >> 'a',
>> >> 'b',
>> >> 'c',
>> >> 'd',
>> >> ],
>> >>
>> >> As I would expect. Why does the above case not work? Is there anoth=
er
>> >> way to do this?
>> >>
>> >> Thanks,
>> >>
>> >> Eric
>> >>
>> >> --
>> >>
>> >>
>> >>
>> >
>> >
>> > --
>> >
>> >
>> >
>>
>
>
--bcaec51a7a86921e3b04cb54747b
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Okay. =A0Then is there a way to do what I'm talking about? =A0Basically=
, I have a meta-target which has several dependencies in separate files. =
=A0In my top-level "all" target, I want to list those same target=
s (but with a different path, since that file is in the parent directory), =
in addition to the meta-target, so that I can build them all at once with t=
he meta-target OR build them independently. =A0Right now I have to copy the=
same list around several times with slightly different prefixes. =A0It see=
ms like using a list variable would be the most elegant way to handle it.<d=
iv class=3D"gmail_extra">
<br><br><div class=3D"gmail_quote">On Fri, Oct 5, 2012 at 2:53 PM, Mark Men=
tovai <span dir=3D"ltr"><<a href=3D"mailto:m...@chromium.org" target=3D"=
_blank">m...@chromium.org</a>></span> wrote:<br><blockquote class=3D"gma=
il_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-lef=
t:1ex">
It is a bug. It shouldn=92t work. It might trip up gyp --check, and even if=
it doesn=92t, it might just stop working in the future.<div class=3D"HOEnZ=
b"><div class=3D"h5"><div class=3D"gmail_extra"><br><br><div class=3D"gmail=
_quote">
On Fri, Oct 5, 2012 at 2:45 PM, Ryan Sleevi <span dir=3D"ltr"><<a href=
=3D"mailto:rsle...@chromium.org" target=3D"_blank">rsle...@chromium.org</a>=
></span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">A perhaps off-topic diversion, but are the P=
ythonic idioms from Eric's<br>
example meant to be supported in canonical GYP syntax? I had thought<br>
that their ability to be used was more of a "bug" than a "fe=
ature",<br>
and may be lost at any time, but I wasn't sure if that was a shared<br>
feeling.<br>
<div><div><br>
On Fri, Oct 5, 2012 at 11:39 AM, Marc-Antoine Ruel <<a href=3D"mailto:ma=
r...@chromium.org" target=3D"_blank">mar...@chromium.org</a>> wrote:<br>
> Create a meta-target in somefile.gyp that depends on a, b, c, d with &=
#39;type':<br>
> 'none'.<br>
><br>
> Then in the other file depend only on the meta-target.<br>
><br>
> M-A<br>
><br>
><br>
> 2012/10/5 Eric Boren <<a href=3D"mailto:bore...@google.com" target=
=3D"_blank">bore...@google.com</a>><br>
>><br>
>> I have something like this:<br>
>> 'variables': {<br>
>> =A0 'my_awesome_list': [<br>
>> =A0 =A0 'a',<br>
>> =A0 =A0 'b',<br>
>> =A0 =A0 'c',<br>
>> =A0 =A0 'd',<br>
>> =A0 ],<br>
>> },<br>
>><br>
>> And I want to use it elsewhere like this:<br>
>> ......<br>
>> 'dependencies': [<br>
>> =A0 'somefile.gyp:<@(my_awesome_list)',<br>
>> ],<br>
>> ......<br>
>><br>
>> Which does not work. =A0I've tried doing this with a list comp=
rehension:<br>
>> ......<br>
>> 'dependencies': ['somefile.gyp:%s' % item for item=
in<br>
>> '<@(my_awesome_list)'.split(' ')],<br>
>> ......<br>
>><br>
>> But that evaluates to:<br>
>> 'dependencies': [<br>
>> =A0 'somefile.gyp:a b c d',<br>
>> ],<br>
>><br>
>> If I change it to:<br>
>> ......<br>
>> 'dependencies': ['%s' % item for item in '<=
@(my_awesome_list)'.split('<br>
>> ')],<br>
>> ......<br>
>><br>
>> It evaluates to:<br>
>> 'dependencies': [<br>
>> =A0 'a',<br>
>> =A0 'b',<br>
>> =A0 'c',<br>
>> =A0 'd',<br>
>> ],<br>
>><br>
>> As I would expect. =A0Why does the above case not work? =A0Is ther=
e another<br>
>> way to do this?<br>
>><br>
>> Thanks,<br>
>><br>
>> Eric<br>
>><br>
>> --<br>
>><br>
>><br>
>><br>
><br>
><br>
> --<br>
><br>
><br>
><br>
</div></div></blockquote></div><br></div>
</div></div></blockquote></div><br></div>
--bcaec51a7a86921e3b04cb54747b--
Message from discussion Any way to prepend/append a string to each item of a list variable?
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