Module pdf_ext

source code

Manipulate pdf and fdf files (pdftk recommended).

Notes regarding pdftk, pdf forms and fdf files (form definition file)
fields names can be extracted with:

    pdftk orig.pdf generate_fdf output truc.fdf

to merge fdf and pdf:

    pdftk orig.pdf fill_form test.fdf output result.pdf [flatten]

without flatten, one could further edit the resulting form.
with flatten, everything is turned into text.