[412] | 1 | #! /usr/bin/env python |
---|
| 2 | # -*- coding: ISO-8859-15 -*- |
---|
| 3 | # |
---|
| 4 | # pkpgcounter : a generic Page Description Language parser |
---|
| 5 | # |
---|
[443] | 6 | # (c) 2003, 2004, 2005, 2006, 2007 Jerome Alet <alet@librelogiciel.com> |
---|
[463] | 7 | # This program is free software: you can redistribute it and/or modify |
---|
[412] | 8 | # it under the terms of the GNU General Public License as published by |
---|
[463] | 9 | # the Free Software Foundation, either version 3 of the License, or |
---|
[412] | 10 | # (at your option) any later version. |
---|
[463] | 11 | # |
---|
[412] | 12 | # This program is distributed in the hope that it will be useful, |
---|
| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 15 | # GNU General Public License for more details. |
---|
| 16 | # |
---|
| 17 | # You should have received a copy of the GNU General Public License |
---|
[463] | 18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
---|
[412] | 19 | # |
---|
| 20 | # $Id$ |
---|
| 21 | # |
---|
| 22 | |
---|
[500] | 23 | """This modules implements a page counter for image formats supported by the Python Imaging Library.""" |
---|
[412] | 24 | |
---|
[500] | 25 | from PIL import Image |
---|
| 26 | |
---|
[412] | 27 | import pdlparser |
---|
| 28 | import version |
---|
| 29 | |
---|
| 30 | class Parser(pdlparser.PDLParser) : |
---|
| 31 | """A parser for plain text documents.""" |
---|
[500] | 32 | totiffcommands = [ 'convert "%(infname)s" "%(outfname)s"', |
---|
[428] | 33 | ] |
---|
[412] | 34 | def isValid(self) : |
---|
[500] | 35 | """Returns True if data is an image format supported by PIL, else False.""" |
---|
| 36 | try : |
---|
| 37 | image = Image.open(self.filename) |
---|
| 38 | except IOError : |
---|
[414] | 39 | return False |
---|
[500] | 40 | else : |
---|
| 41 | return True |
---|
[412] | 42 | |
---|
| 43 | def getJobSize(self) : |
---|
[500] | 44 | """Counts pages in an image file.""" |
---|
| 45 | index = 0 |
---|
| 46 | image = Image.open(self.filename) |
---|
| 47 | try : |
---|
| 48 | while True : |
---|
| 49 | index += 1 |
---|
| 50 | image.seek(index) |
---|
| 51 | except EOFError : |
---|
| 52 | pass |
---|
| 53 | return index |
---|