Any way to prepend/append a string to each item of a list variable? - gyp-developer

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Message from discussion Any way to prepend/append a string to each item of a list variable?
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From: Marc-Antoine Ruel <mar...@chromium.org>
Date: Fri, 5 Oct 2012 14:39:03 -0400
Message-ID: <CANAQWOUFhy7aXHfg=NiMpaitGW_NmsAfuc48=ETV2iiNEkx...@mail.gmail.com>
Subject: Re: [gyp-developer] Any way to prepend/append a string to each item
 of a list variable?
To: Eric Boren <bore...@google.com>
Cc: gyp-developer <gyp-developer@googlegroups.com>
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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 another
> way to do this?
>
> Thanks,
>
> Eric
>
> --
>
>
>
>

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Create a meta-target in somefile.gyp that depends on a, b, c, d with &#39;t=
ype&#39;: &#39;none&#39;.<div><br><div>Then in the other file depend only o=
n the meta-target.</div></div><div><br></div><div>M-A</div><div class=3D"gm=
ail_extra">

<br><br><div class=3D"gmail_quote">2012/10/5 Eric Boren <span dir=3D"ltr">&=
lt;<a href=3D"mailto:bore...@google.com" target=3D"_blank">bore...@google.c=
om</a>&gt;</span><br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 =
0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

I have something like this:<div>&#39;variables&#39;: {</div><div>=C2=A0 &#3=
9;my_awesome_list&#39;: [</div><div><div>=C2=A0 =C2=A0 &#39;a&#39;,</div></=
div><div><div>=C2=A0 =C2=A0 &#39;b&#39;,</div></div><div><div>=C2=A0 =C2=A0=
 &#39;c&#39;,</div></div><div>
<div>
=C2=A0 =C2=A0 &#39;d&#39;,</div></div><div>=C2=A0 ],</div><div>},</div><div=
><br></div><div>And I want to use it elsewhere like this:</div><div>......<=
/div><div>&#39;dependencies&#39;: [</div><div>=C2=A0 &#39;somefile.gyp:&lt;=
@(my_awesome_list)&#39;,</div>

<div>],</div><div>......</div><div><br></div><div>Which does not work. =C2=
=A0I&#39;ve tried doing this with a list comprehension:</div><div><div>....=
..</div><div>&#39;dependencies&#39;: [&#39;somefile.gyp:%s&#39; % item for =
item in &#39;&lt;@(my_awesome_list)&#39;.split(&#39; &#39;)],</div>

<div>......</div></div><div><br></div><div>But that evaluates to:</div><div=
>&#39;dependencies&#39;: [</div><div>=C2=A0 &#39;somefile.gyp:a b c d&#39;,=
</div><div>],</div><div><br></div><div>If I change it to:</div><div><div>..=
....</div>

<div>&#39;dependencies&#39;: [&#39;%s&#39; % item for item in &#39;&lt;@(my=
_awesome_list)&#39;.split(&#39; &#39;)],</div><div>......</div></div><div><=
br></div><div>It evaluates to:</div><div><div>&#39;dependencies&#39;: [</di=
v>

<div>=C2=A0 &#39;a&#39;,</div><div>=C2=A0 &#39;b&#39;,</div><div>=C2=A0 &#3=
9;c&#39;,</div><div>=C2=A0 &#39;d&#39;,</div><div>],</div></div><div><br></=
div><div>As I would expect. =C2=A0Why does the above case not work? =C2=A0I=
s there another way to do this?</div>

<div><br></div><div>Thanks,</div><div><br></div><div>Eric</div><span class=
=3D"HOEnZb"><font color=3D"#888888">

<p></p>

-- <br>
=C2=A0<br>
=C2=A0<br>
=C2=A0<br>
</font></span></blockquote></div><br></div>

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