/usr/share/pyshared/pkpgpdls/escp2.py is in pkpgcounter 3.50-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 | # -*- coding: ISO-8859-15 -*-
#
# pkpgcounter : a generic Page Description Language parser
#
# (c) 2003, 2004, 2005, 2006, 2007 Jerome Alet <alet@librelogiciel.com>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# $Id: escp2.py 374 2007-12-09 14:26:15Z jerome $
#
"""This modules implements a page counter for ESC/P2 documents."""
import sys
import pdlparser
class Parser(pdlparser.PDLParser) :
"""A parser for ESC/P2 documents."""
format = "ESC/P2"
def isValid(self) :
"""Returns True if data is ESC/P2, else False."""
if self.firstblock.startswith("\033@") or \
self.firstblock.startswith("\033*") or \
self.firstblock.startswith("\n\033@") or \
self.firstblock.startswith("\0\0\0\033\1@EJL") : # ESC/P Raster ??? Seen on Stylus Photo 1284
return True
else :
return False
def getJobSize(self) :
"""Counts pages in an ESC/P2 document."""
# with Gimpprint, at least, for each page there
# are two Reset Printer sequences (ESC + @)
marker1 = "\033@"
# with other software or printer driver, we
# may prefer to search for "\r\n\fESCAPE"
# or "\r\fESCAPE"
marker2r = "\r\f\033"
marker2rn = "\r\n\f\033"
# and ghostscript's stcolor for example seems to
# output ESC + @ + \f for each page plus one
marker3 = "\033@\f"
# while ghostscript's escp driver outputs instead
# \f + ESC + @
marker4 = "\f\033@"
data = self.infile.read()
pagecount1 = data.count(marker1)
pagecount2 = max(data.count(marker2r), data.count(marker2rn))
pagecount3 = data.count(marker3)
pagecount4 = data.count(marker4)
if pagecount2 :
return pagecount2
elif pagecount3 > 1 :
return pagecount3 - 1
elif pagecount4 :
return pagecount4
else :
return int(pagecount1 / 2)
|