[Bug 412114] [NEW] graphics module: pdf_t prefix attached twice

[Michael Schnupp]

Public bug reported:

Binary package hint: rubber

If latex source contains "\input{image.pdf_t}" rubber uses fig2dev to create the required .pdf_t file from a .xfig file.
In the created .pdf_t file it writes the *absolute* path of the (also) created .pdf file of the image.

If I run rubber again it tries to check if the created .pdf file is
still up-to-date. At this step it fails to locate the file.

In function includegraphics of graphics.py it calls:
d = self.env.convert(name, suffixes=suffixes, prefixes=self.prefixes, check=check, pos=dict["pos"])
to find the file. But name already includes the *absolute* path to the file and prefix is missing an empty string. Therefore it attaches the path a second time, and hence has no chance to find that file.

My solution is to add an empty sting to the list of prefixes:  self.prefixes=[""]+self.prefixes
This fixes the problem. But I am not sure if this is the right place to fix it.

-------------------------------
My system:

$ lsb_release -rd
Description:	Ubuntu 9.04
Release:	9.04
$ apt-cache policy rubber
rubber:
  Installiert: 1.1-2.2
  Kandidat: 1.1-2.2

** Affects: rubber (Ubuntu)
     Importance: Undecided
         Status: New

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graphics module: pdf_t prefix attached twice
https://bugs.launchpad.net/bugs/412114
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