On 12.10.2011 18:04, Stefan Birkholz wrote:
Hello,
apparently, mwlib.ext depends on a (patched?) version 2.3 of
reportlab.
This is a correct assumption. Unfortuantely we encountered some bugs in
reportlab in the past that weren't patched upstream. Therefore we rely
on a patched version.
Is it feasible to upgrade to the current version 2.5?
Upgrading to a newer reportlab version is a huge pain unfortunately.
I did
a quick/naive test a while ago but there seem to be quite a few
problems.
The problem are the conflicts between our patches and the upstream
version. Therefore, as mentioned above, upgrading to a newer reportlab
version is very painful. Since we included patches for right-to-left
languages a little while ago merging got even more painful.
However, the current version of reportlab seems to produce damaged
pdfs under certain conditions; e.g. in my installation when i
uncomment
#import reportlab
#reportlab.rl_config.platypus_link_underline = 1
How are the PDFs damaged? Are there problems in certain viewers? Does
the render process crash?
in rlwriter.py. Would this problem be fixed in a newer version of
reportlab?
I wouldn't count on that
(Another problem which is more interesting for us: we use platypus/
tableofcontents.py to get a toc with clickable links; having such
links leads to damaged pdfs when there are three or four levels in the
toc, but not when there are only one or two levels.
How are these PDFs damaged? One thing I encountered a while ago that
might be related: when creating an outline for a PDF (the ouline can be
displayed by PDF viewers): the entries couldn't skip levels. For example
a level 3 entry could only be made after a level 2 but not level 1 entry
As a work-around i
just disabled creating actual links for 3rd/4th level entries in the
"afterFlowable()" function in pagetemplate.py, which seems arbitrary
at best.)
Best regards,
Stefan Birkholz
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