Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(40)

Unified Diff: third_party/logilab/common/pdf_ext.py

Issue 719313003: Revert "pylint: upgrade to 1.3.1" (Closed) Base URL: https://chromium.googlesource.com/chromium/tools/depot_tools.git@master
Patch Set: Created 6 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « third_party/logilab/common/optik_ext.py ('k') | third_party/logilab/common/pyro_ext.py » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: third_party/logilab/common/pdf_ext.py
diff --git a/third_party/logilab/common/pdf_ext.py b/third_party/logilab/common/pdf_ext.py
new file mode 100644
index 0000000000000000000000000000000000000000..71c483b22c22bfe08ba53d5dba5bb96126497428
--- /dev/null
+++ b/third_party/logilab/common/pdf_ext.py
@@ -0,0 +1,111 @@
+# 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)
+
« no previous file with comments | « third_party/logilab/common/optik_ext.py ('k') | third_party/logilab/common/pyro_ext.py » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698