| Index: third_party/logilab/common/pdf_ext.py
|
| ===================================================================
|
| --- third_party/logilab/common/pdf_ext.py (revision 292986)
|
| +++ third_party/logilab/common/pdf_ext.py (working copy)
|
| @@ -1,111 +0,0 @@
|
| -# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
|
| -# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
|
| -#
|
| -# This file is part of logilab-common.
|
| -#
|
| -# logilab-common is free software: you can redistribute it and/or modify it under
|
| -# the terms of the GNU Lesser General Public License as published by the Free
|
| -# Software Foundation, either version 2.1 of the License, or (at your option) any
|
| -# later version.
|
| -#
|
| -# logilab-common is distributed in the hope that it will be useful, but WITHOUT
|
| -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
| -# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
|
| -# details.
|
| -#
|
| -# You should have received a copy of the GNU Lesser General Public License along
|
| -# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
|
| -"""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.
|
| -
|
| -
|
| -
|
| -
|
| -"""
|
| -__docformat__ = "restructuredtext en"
|
| -# XXX seems very unix specific
|
| -# TODO: check availability of pdftk at import
|
| -
|
| -
|
| -import os
|
| -
|
| -HEAD="""%FDF-1.2
|
| -%\xE2\xE3\xCF\xD3
|
| -1 0 obj
|
| -<<
|
| -/FDF
|
| -<<
|
| -/Fields [
|
| -"""
|
| -
|
| -TAIL="""]
|
| ->>
|
| ->>
|
| -endobj
|
| -trailer
|
| -
|
| -<<
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| -/Root 1 0 R
|
| ->>
|
| -%%EOF
|
| -"""
|
| -
|
| -def output_field( f ):
|
| - return "\xfe\xff" + "".join( [ "\x00"+c for c in f ] )
|
| -
|
| -def extract_keys(lines):
|
| - keys = []
|
| - for line in lines:
|
| - if line.startswith('/V'):
|
| - pass #print 'value',line
|
| - elif line.startswith('/T'):
|
| - key = line[7:-2]
|
| - key = ''.join(key.split('\x00'))
|
| - keys.append( key )
|
| - return keys
|
| -
|
| -def write_field(out, key, value):
|
| - out.write("<<\n")
|
| - if value:
|
| - out.write("/V (%s)\n" %value)
|
| - else:
|
| - out.write("/V /\n")
|
| - out.write("/T (%s)\n" % output_field(key) )
|
| - out.write(">> \n")
|
| -
|
| -def write_fields(out, fields):
|
| - out.write(HEAD)
|
| - for (key, value, comment) in fields:
|
| - write_field(out, key, value)
|
| - write_field(out, key+"a", value) # pour copie-carbone sur autres pages
|
| - out.write(TAIL)
|
| -
|
| -def extract_keys_from_pdf(filename):
|
| - # what about using 'pdftk filename dump_data_fields' and parsing the output ?
|
| - os.system('pdftk %s generate_fdf output /tmp/toto.fdf' % filename)
|
| - lines = file('/tmp/toto.fdf').readlines()
|
| - return extract_keys(lines)
|
| -
|
| -
|
| -def fill_pdf(infile, outfile, fields):
|
| - write_fields(file('/tmp/toto.fdf', 'w'), fields)
|
| - os.system('pdftk %s fill_form /tmp/toto.fdf output %s flatten' % (infile, outfile))
|
| -
|
| -def testfill_pdf(infile, outfile):
|
| - keys = extract_keys_from_pdf(infile)
|
| - fields = []
|
| - for key in keys:
|
| - fields.append( (key, key, '') )
|
| - fill_pdf(infile, outfile, fields)
|
| -
|
|
|