Re: [NTG-context] Throwing an error on missing image with \externalfigure

2012-08-17 Thread Tobias Mueller
Bonjour :)

On Wed, Aug 01, 2012 at 09:48:56AM +0200, Hans Hagen wrote:
 On 31-7-2012 14:18, Tobias Mueller wrote:
  I'd like ConTeXt to raise an error if it can't find an image when using 
  \externalfigure. I really don't want to check a potentially big document 
  for missing images manually and while I could grep the log myself in an 
  additional post processing step, I really want ConTeXt to do raise the 
  error for me, not a potentially broken script written by me.
 
 often in the process of writing a missing (pending ) image is no reason 
 for an abort
 
Hm. I consider it a serious and fatal error if I requested an image to 
be included and it not being available. I would want to know how much 
space the image occupies, where it is placed, whether it makes words 
wrap correctly. And that's only in the development process of document.

During deployment it is a much bigger problem for me. I use to 
generate my documents on a server (i.e. after committing to my favourite 
version control system) and have them automatically published. 
Obviously, I want the document generated by the server to look the very 
same. And I am very good at accidentally not checking in dependencies to 
my VCS. So the server side might in fact lack the necessary images. And 
I wouldn't want to embarras myself by having a document missing images. 
So a failure in the build process would help me a lot.

  So my question is: How can I make ConTeXt raise an error on a non found 
  image?
 
 Currently it's not possible.
Too sad. Looking forward to later this year then.

 aborting a run would also mean that the partial pdf should be removed. 
I don't think it is necessary. Just having the program not returning a 0 
exit code would help at least me for now.

Cheers,
  Tobi
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Re: [NTG-context] Throwing an error on missing image with \externalfigure

2012-08-17 Thread Peter Münster
On Fri, Aug 17 2012, Tobias Mueller wrote:

 And I wouldn't want to embarras myself by having a document missing
 images. So a failure in the build process would help me a lot.

Instead of calling context directly, you can make a script, that throws
an error after grepping the log-file.

-- 
   Peter
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Re: [NTG-context] Throwing an error on missing image with \externalfigure

2012-08-17 Thread Procházka Lukáš Ing . - Pontex s . r . o .

On Fri, 17 Aug 2012 12:18:53 +0200, Peter Münster pmli...@free.fr wrote:


On Fri, Aug 17 2012, Tobias Mueller wrote:


And I wouldn't want to embarras myself by having a document missing
images. So a failure in the build process would help me a lot.


Instead of calling context directly, you can make a script, that throws
an error after grepping the log-file.


Or maybe try to hook the file lookup routine (probably Hans could give some 
more details) so that it raises an error (or e.g. logs the event) in the case 
of location failure.

Lukas


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Re: [NTG-context] Throwing an error on missing image with \externalfigure

2012-08-17 Thread Hans Hagen

On 17-8-2012 12:18, Peter Münster wrote:

On Fri, Aug 17 2012, Tobias Mueller wrote:


And I wouldn't want to embarras myself by having a document missing
images. So a failure in the build process would help me a lot.


Instead of calling context directly, you can make a script, that throws
an error after grepping the log-file.


or this:

\externalfigure[rubish.pdf]
\ifcase\figurestatus\relax \ctxlua{os.exit(999)} \fi



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[NTG-context] Throwing an error on missing image with \externalfigure

2012-08-01 Thread Tobias Mueller
Hi :-)

I'd like ConTeXt to raise an error if it can't find an image when using 
\externalfigure. I really don't want to check a potentially big document for 
missing images manually and while I could grep the log myself in an additional 
post processing step, I really want ConTeXt to do raise the error for me, not a 
potentially broken script written by me.

I've seen the other thread: 
http://www.ntg.nl/pipermail/ntg-context/2011/059485.html but there is no answer 
there. I also expected a similar behaviour to \input which fails on a non 
existing file.
My thinking was that there is either a switch for context, i.e. like 
-Werror or a way to set context up from within the document, i.e. by telling 
it to be in a final mode.

So my question is: How can I make ConTeXt raise an error on a non found image?

Cheers,
  Tobi
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Re: [NTG-context] Throwing an error on missing image with \externalfigure

2012-08-01 Thread Hans Hagen

On 31-7-2012 14:18, Tobias Mueller wrote:

Hi :-)

I'd like ConTeXt to raise an error if it can't find an image when using 
\externalfigure. I really don't want to check a potentially big document for 
missing images manually and while I could grep the log myself in an additional 
post processing step, I really want ConTeXt to do raise the error for me, not a 
potentially broken script written by me.


often in the process of writing a missing (pending ) image is no reason 
for an abort



I've seen the other thread: http://www.ntg.nl/pipermail/ntg-context/2011/059485.html but 
there is no answer there. I also expected a similar behaviour to \input which 
fails on a non existing file.
My thinking was that there is either a switch for context, i.e. like -Werror or a way 
to set context up from within the document, i.e. by telling it to be in a final mode.

So my question is: How can I make ConTeXt raise an error on a non found image?


Currently it's not possible. In fact, it would involve more checks then, 
like missing references or so. It then would be some special mode and 
aborting a run would also mean that the partial pdf should be removed. 
So, it's a bit more work than just a few lines. Maybe later this year.


Hans


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