Location for require(...) files

Location for require(...) files

[Aditya Mahajan via ntg-context]

Hi,

I am not trying to install tikz related modules from ctan rather than copying them from the minimals. I notice that the latest version of pgfplot now gives an error:

token call, execute: ...etatex/texmf-context/tex/context/base/mkiv/l-sandbox.lua:180: module 'prepcontour' not found:
        no field package.preload['prepcontour']
        no file '/usr/local/share/lua/5.4/prepcontour.lua'
        no file '/usr/local/share/lua/5.4/prepcontour/init.lua'
        no file '/usr/local/lib/lua/5.4/prepcontour.lua'
        no file '/usr/local/lib/lua/5.4/prepcontour/init.lua'
        no file './prepcontour.lua'
        no file './prepcontour/init.lua'

pgfplots has a line which is essentially equal to 

    \directlua{require(prepcontour);}

https://github.com/pgf-tikz/pgfplots/blob/da2acbe847db88d1b916b324562161a1c8a3d36a/tex/generic/pgfplots/libs/tikzlibrarypgfplots.contourlua.code.tex#L27

It also ships with a prepcontour.lua file:

$mtxrun prepcontour.lua
/opt/luametatex/texmf-modules/tex/generic/pgfplots/lua/prepcontour.lua

However, it is not found by the require(...) file. The value of my LUAINPUTS variable is:

mtxrun --expand-var LUAINPUTS
.;.;{home:texmf,!!selfautoparent:texmf-project,!!selfautoparent:texmf-fonts,!!selfautoparent:texmf-local,!!selfautoparent:texmf-modules,!!selfautoparent:texmf-context,!!selfautoparent:texmf-linux-64,!!selfautoparent:texmf}/tex/{context,plain/base,generic}//;{home:texmf,!!selfautoparent:texmf-project,!!selfautoparent:texmf-fonts,!!selfautoparent:texmf-local,!!selfautoparent:texmf-modules,!!selfautoparent:texmf-context,!!selfautoparent:texmf-linux-64,!!selfautoparent:texmf}/scripts/context/lua//

So, the above file should have been found, but it isn't. How can I fix this.

FWIW, here is a minimal example:

    \directlua{require("prepcontour");}

Thanks,
Aditya
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Re: Location for require(...) files

[Aditya Mahajan via ntg-context]

On Mon, 13 Dec 2021, Aditya Mahajan via ntg-context wrote:

> Hi,
> 
> I am not trying to install tikz related modules from ctan rather than copying them from the minimals. I notice that the latest version of pgfplot now gives an error:
> 
> token call, execute: ...etatex/texmf-context/tex/context/base/mkiv/l-sandbox.lua:180: module 'prepcontour' not found:
>         no field package.preload['prepcontour']
>         no file '/usr/local/share/lua/5.4/prepcontour.lua'
>         no file '/usr/local/share/lua/5.4/prepcontour/init.lua'
>         no file '/usr/local/lib/lua/5.4/prepcontour.lua'
>         no file '/usr/local/lib/lua/5.4/prepcontour/init.lua'
>         no file './prepcontour.lua'
>         no file './prepcontour/init.lua'
> 
> pgfplots has a line which is essentially equal to 
> 
>     \directlua{require(prepcontour);}
> 
> So, the above file should have been found, but it isn't. How can I fix this.

This turned out to be a packaging issue. The file did not have read permissions. Sorry for the noise.

Aditya
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