From 4bd3e47da02fde08acfada1795cc55170abdb00a Mon Sep 17 00:00:00 2001 From: jvoisin Date: Tue, 16 Aug 2011 18:11:24 +0200 Subject: setup.py now works ! --- lib/pdfrw/pdfcompress.py | 57 ------------------------------------------------ 1 file changed, 57 deletions(-) delete mode 100644 lib/pdfrw/pdfcompress.py (limited to 'lib/pdfrw/pdfcompress.py') diff --git a/lib/pdfrw/pdfcompress.py b/lib/pdfrw/pdfcompress.py deleted file mode 100644 index 1c11970..0000000 --- a/lib/pdfrw/pdfcompress.py +++ /dev/null @@ -1,57 +0,0 @@ -# A part of pdfrw (pdfrw.googlecode.com) -# Copyright (C) 2006-2009 Patrick Maupin, Austin, Texas -# MIT license -- See LICENSE.txt for details - -''' -Currently, this sad little file only knows how to decompress -using the flate (zlib) algorithm. Maybe more later, but it's -not a priority for me... -''' - -from __future__ import generators - -try: - set -except NameError: - from sets import Set as set - -import zlib -from pdfobjects import PdfDict, PdfName - - -def streamobjects(mylist): - for obj in mylist: - if isinstance(obj, PdfDict) and obj.stream is not None: - yield obj - -def uncompress(mylist, warnings=set()): - flate = PdfName.FlateDecode - for obj in streamobjects(mylist): - ftype = obj.Filter - if ftype is None: - continue - if isinstance(ftype, list) and len(ftype) == 1: - # todo: multiple filters - ftype = ftype[0] - parms = obj.DecodeParms - if ftype != flate or parms is not None: - msg = 'Not decompressing: cannot use filter %s with parameters %s' % (repr(ftype), repr(parms)) - if msg not in warnings: - warnings.add(msg) - print msg - else: - obj.stream = zlib.decompress(obj.stream) - obj.Filter = None - -def compress(mylist): - flate = PdfName.FlateDecode - for obj in streamobjects(mylist): - ftype = obj.Filter - if ftype is not None: - continue - oldstr = obj.stream - newstr = zlib.compress(oldstr) - if len(newstr) < len(oldstr) + 30: - obj.stream = newstr - obj.Filter = flate - obj.DecodeParms = None -- cgit v1.3