| Index: third_party/logilab/common/pdf_ext.py | 
| =================================================================== | 
| --- third_party/logilab/common/pdf_ext.py	(revision 292881) | 
| +++ 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 | 
| - | 
| -<< | 
| -/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) | 
| - | 
|  |