[185] | 1 | #! /usr/bin/env python |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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| 3 | # |
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| 4 | # pkpgcounter : a generic Page Description Language parser |
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| 5 | # |
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| 6 | # (c) 2003,2004,2005 Jerome Alet <alet@librelogiciel.com> |
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| 7 | # This program is free software; you can redistribute it and/or modify |
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| 8 | # it under the terms of the GNU General Public License as published by |
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| 9 | # the Free Software Foundation; either version 2 of the License, or |
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| 10 | # (at your option) any later version. |
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| 11 | # |
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| 12 | # This program is distributed in the hope that it will be useful, |
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| 13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | # GNU General Public License for more details. |
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| 16 | # |
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| 17 | # You should have received a copy of the GNU General Public License |
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| 18 | # along with this program; if not, write to the Free Software |
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| 19 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. |
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| 20 | # |
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| 21 | # $Id$ |
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| 22 | # |
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| 23 | # |
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| 24 | |
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| 25 | import sys |
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| 26 | import os |
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| 27 | import re |
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| 28 | from struct import unpack |
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| 29 | import tempfile |
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| 30 | import mmap |
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| 31 | import popen2 |
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| 32 | |
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[186] | 33 | __version__ = "1.00" |
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| 34 | |
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[185] | 35 | KILOBYTE = 1024 |
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| 36 | MEGABYTE = 1024 * KILOBYTE |
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| 37 | LASTBLOCKSIZE = int(KILOBYTE / 4) |
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| 38 | |
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| 39 | class PDLAnalyzerError(Exception): |
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| 40 | """An exception for PDL Analyzer related stuff.""" |
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| 41 | def __init__(self, message = ""): |
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| 42 | self.message = message |
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| 43 | Exception.__init__(self, message) |
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| 44 | def __repr__(self): |
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| 45 | return self.message |
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| 46 | __str__ = __repr__ |
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| 47 | |
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| 48 | class PostScriptAnalyzer : |
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| 49 | """A class to parse PostScript documents.""" |
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| 50 | def __init__(self, infile, debug=0) : |
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| 51 | """Initialize PostScript Analyzer.""" |
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| 52 | self.debug = debug |
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| 53 | self.infile = infile |
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| 54 | self.copies = 1 |
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| 55 | |
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| 56 | def throughGhostScript(self) : |
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| 57 | """Get the count through GhostScript, useful for non-DSC compliant PS files.""" |
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| 58 | if self.debug : |
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| 59 | sys.stderr.write("Internal parser sucks, using GhostScript instead...\n") |
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| 60 | self.infile.seek(0) |
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| 61 | command = 'gs -sDEVICE=bbox -dNOPAUSE -dBATCH -dQUIET - 2>&1 | grep -c "%%HiResBoundingBox:" 2>/dev/null' |
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| 62 | child = popen2.Popen4(command) |
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| 63 | try : |
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| 64 | data = self.infile.read(MEGABYTE) |
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| 65 | while data : |
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| 66 | child.tochild.write(data) |
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| 67 | data = self.infile.read(MEGABYTE) |
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| 68 | child.tochild.flush() |
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| 69 | child.tochild.close() |
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| 70 | except (IOError, OSError), msg : |
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| 71 | raise PDLAnalyzerError, "Problem during analysis of Binary PostScript document : %s" % msg |
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| 72 | |
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| 73 | pagecount = 0 |
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| 74 | try : |
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| 75 | pagecount = int(child.fromchild.readline().strip()) |
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| 76 | except (IOError, OSError, AttributeError, ValueError), msg : |
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| 77 | raise PDLAnalyzerError, "Problem during analysis of Binary PostScript document : %s" % msg |
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| 78 | child.fromchild.close() |
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| 79 | |
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| 80 | try : |
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| 81 | child.wait() |
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| 82 | except OSError, msg : |
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| 83 | raise PDLAnalyzerError, "Problem during analysis of Binary PostScript document : %s" % msg |
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| 84 | return pagecount * self.copies |
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| 85 | |
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| 86 | def natively(self) : |
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| 87 | """Count pages in a DSC compliant PostScript document.""" |
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| 88 | self.infile.seek(0) |
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| 89 | pagecount = 0 |
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| 90 | for line in self.infile.xreadlines() : |
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| 91 | if line.startswith("%%Page: ") : |
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| 92 | pagecount += 1 |
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| 93 | elif line.startswith("%%Requirements: numcopies(") : |
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| 94 | try : |
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| 95 | number = int(line.strip().split('(')[1].split(')')[0]) |
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| 96 | except : |
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| 97 | pass |
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| 98 | else : |
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| 99 | if number > self.copies : |
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| 100 | self.copies = number |
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| 101 | elif line.startswith("%%BeginNonPPDFeature: NumCopies ") : |
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| 102 | # handle # of copies set by some Windows printer driver |
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| 103 | try : |
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| 104 | number = int(line.strip().split()[2]) |
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| 105 | except : |
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| 106 | pass |
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| 107 | else : |
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| 108 | if number > self.copies : |
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| 109 | self.copies = number |
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| 110 | elif line.startswith("1 dict dup /NumCopies ") : |
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| 111 | # handle # of copies set by mozilla/kprinter |
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| 112 | try : |
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| 113 | number = int(line.strip().split()[4]) |
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| 114 | except : |
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| 115 | pass |
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| 116 | else : |
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| 117 | if number > self.copies : |
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| 118 | self.copies = number |
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| 119 | return pagecount * self.copies |
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| 120 | |
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| 121 | def getJobSize(self) : |
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| 122 | """Count pages in PostScript document.""" |
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| 123 | return self.natively() or self.throughGhostScript() |
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| 124 | |
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| 125 | class PDFAnalyzer : |
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| 126 | """A class to parse PDF documents.""" |
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| 127 | def __init__(self, infile, debug=0) : |
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| 128 | """Initialize PDF Analyzer.""" |
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| 129 | self.debug = debug |
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| 130 | self.infile = infile |
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| 131 | |
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| 132 | def getJobSize(self) : |
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| 133 | """Counts pages in a PDF document.""" |
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| 134 | regexp = re.compile(r"(/Type) ?(/Page)[/ \t\r\n]") |
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| 135 | pagecount = 0 |
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| 136 | for line in self.infile.xreadlines() : |
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| 137 | pagecount += len(regexp.findall(line)) |
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| 138 | return pagecount |
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| 139 | |
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| 140 | class ESCP2Analyzer : |
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| 141 | """A class to parse ESC/P2 documents.""" |
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| 142 | def __init__(self, infile, debug=0) : |
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| 143 | """Initialize ESC/P2 Analyzer.""" |
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| 144 | self.debug = debug |
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| 145 | self.infile = infile |
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| 146 | |
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| 147 | def getJobSize(self) : |
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| 148 | """Counts pages in an ESC/P2 document.""" |
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| 149 | # with Gimpprint, at least, for each page there |
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| 150 | # are two Reset Printer sequences (ESC + @) |
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| 151 | marker1 = "\033@" |
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| 152 | |
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| 153 | # with other software or printer driver, we |
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| 154 | # may prefer to search for "\r\n\fESCAPE" |
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| 155 | # or "\r\fESCAPE" |
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| 156 | marker2r = "\r\f\033" |
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| 157 | marker2rn = "\r\n\f\033" |
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| 158 | |
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| 159 | # and ghostscript's stcolor for example seems to |
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| 160 | # output ESC + @ + \f for each page plus one |
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| 161 | marker3 = "\033@\f" |
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| 162 | |
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| 163 | # while ghostscript's escp driver outputs instead |
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| 164 | # \f + ESC + @ |
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| 165 | marker4 = "\f\033@" |
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| 166 | |
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| 167 | data = self.infile.read() |
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| 168 | pagecount1 = data.count(marker1) |
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| 169 | pagecount2 = max(data.count(marker2r), data.count(marker2rn)) |
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| 170 | pagecount3 = data.count(marker3) |
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| 171 | pagecount4 = data.count(marker4) |
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| 172 | |
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| 173 | if pagecount2 : |
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| 174 | return pagecount2 |
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| 175 | elif pagecount3 > 1 : |
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| 176 | return pagecount3 - 1 |
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| 177 | elif pagecount4 : |
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| 178 | return pagecount4 |
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| 179 | else : |
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| 180 | return int(pagecount1 / 2) |
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| 181 | |
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| 182 | class PCLAnalyzer : |
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| 183 | """A class to parse PCL3, PCL4, PCL5 documents.""" |
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| 184 | mediasizes = { # ESC&l####A |
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| 185 | 0 : "Default", |
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| 186 | 1 : "Executive", |
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| 187 | 2 : "Letter", |
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| 188 | 3 : "Legal", |
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| 189 | 6 : "Ledger", |
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| 190 | 25 : "A5", |
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| 191 | 26 : "A4", |
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| 192 | 27 : "A3", |
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| 193 | 45 : "JB5", |
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| 194 | 46 : "JB4", |
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| 195 | 71 : "HagakiPostcard", |
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| 196 | 72 : "OufukuHagakiPostcard", |
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| 197 | 80 : "MonarchEnvelope", |
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| 198 | 81 : "COM10Envelope", |
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| 199 | 90 : "DLEnvelope", |
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| 200 | 91 : "C5Envelope", |
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| 201 | 100 : "B5Envelope", |
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| 202 | 101 : "Custom", |
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| 203 | } |
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| 204 | |
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| 205 | mediasources = { # ESC&l####H |
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| 206 | 0 : "Default", |
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| 207 | 1 : "Main", |
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| 208 | 2 : "Manual", |
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| 209 | 3 : "ManualEnvelope", |
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| 210 | 4 : "Alternate", |
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| 211 | 5 : "OptionalLarge", |
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| 212 | 6 : "EnvelopeFeeder", |
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| 213 | 7 : "Auto", |
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| 214 | 8 : "Tray1", |
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| 215 | } |
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| 216 | |
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| 217 | orientations = { # ESC&l####O |
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| 218 | 0 : "Portrait", |
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| 219 | 1 : "Landscape", |
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| 220 | 2 : "ReversePortrait", |
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| 221 | 3 : "ReverseLandscape", |
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| 222 | } |
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| 223 | |
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| 224 | mediatypes = { # ESC&l####M |
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| 225 | 0 : "Plain", |
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| 226 | 1 : "Bond", |
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| 227 | 2 : "Special", |
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| 228 | 3 : "Glossy", |
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| 229 | 4 : "Transparent", |
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| 230 | } |
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| 231 | |
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| 232 | |
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| 233 | def __init__(self, infile, debug=0) : |
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| 234 | """Initialize PCL Analyzer.""" |
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| 235 | self.debug = debug |
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| 236 | self.infile = infile |
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| 237 | |
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| 238 | def setPageDict(self, pages, number, attribute, value) : |
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| 239 | """Initializes a page dictionnary.""" |
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| 240 | dict = pages.setdefault(number, { "copies" : 1, "mediasource" : "Main", "mediasize" : "Default", "mediatype" : "Plain", "orientation" : "Portrait"}) |
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| 241 | dict[attribute] = value |
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| 242 | |
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| 243 | def getJobSize(self) : |
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| 244 | """Count pages in a PCL5 document. |
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| 245 | |
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| 246 | Should also work for PCL3 and PCL4 documents. |
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| 247 | |
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| 248 | Algorithm from pclcount |
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| 249 | (c) 2003, by Eduardo Gielamo Oliveira & Rodolfo Broco Manin |
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| 250 | published under the terms of the GNU General Public Licence v2. |
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| 251 | |
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| 252 | Backported from C to Python by Jerome Alet, then enhanced |
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| 253 | with more PCL tags detected. I think all the necessary PCL tags |
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| 254 | are recognized to correctly handle PCL5 files wrt their number |
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| 255 | of pages. The documentation used for this was : |
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| 256 | |
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| 257 | HP PCL/PJL Reference Set |
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| 258 | PCL5 Printer Language Technical Quick Reference Guide |
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| 259 | http://h20000.www2.hp.com/bc/docs/support/SupportManual/bpl13205/bpl13205.pdf |
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| 260 | """ |
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| 261 | infileno = self.infile.fileno() |
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| 262 | minfile = mmap.mmap(infileno, os.fstat(infileno)[6], prot=mmap.PROT_READ, flags=mmap.MAP_SHARED) |
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| 263 | tagsends = { "&n" : "W", |
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| 264 | "&b" : "W", |
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| 265 | "*i" : "W", |
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| 266 | "*l" : "W", |
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| 267 | "*m" : "W", |
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| 268 | "*v" : "W", |
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| 269 | "*c" : "W", |
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| 270 | "(f" : "W", |
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| 271 | "(s" : "W", |
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| 272 | ")s" : "W", |
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| 273 | "&p" : "X", |
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| 274 | # "&l" : "XHAOM", # treated specially |
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| 275 | "&a" : "G", # TODO : 0 means next side, 1 front side, 2 back side |
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| 276 | "*g" : "W", |
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| 277 | "*r" : "sbABC", |
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| 278 | "*t" : "R", |
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| 279 | # "*b" : "VW", # treated specially because it occurs very often |
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| 280 | } |
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| 281 | pagecount = resets = ejects = backsides = startgfx = endgfx = 0 |
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| 282 | starb = ampl = ispcl3 = escstart = 0 |
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| 283 | mediasourcecount = mediasizecount = orientationcount = mediatypecount = 0 |
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| 284 | tag = None |
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| 285 | pages = {} |
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| 286 | pos = 0 |
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| 287 | try : |
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| 288 | while 1 : |
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| 289 | char = minfile[pos] ; pos += 1 |
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| 290 | if char == "\014" : |
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| 291 | pagecount += 1 |
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| 292 | elif char == "\033" : |
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| 293 | starb = ampl = 0 |
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| 294 | # |
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| 295 | # <ESC>*b###y#m###v###w... -> PCL3 raster graphics |
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| 296 | # <ESC>*b###W -> Start of a raster data row/block |
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| 297 | # <ESC>*b###V -> Start of a raster data plane |
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| 298 | # <ESC>*c###W -> Start of a user defined pattern |
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| 299 | # <ESC>*i###W -> Start of a viewing illuminant block |
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| 300 | # <ESC>*l###W -> Start of a color lookup table |
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| 301 | # <ESC>*m###W -> Start of a download dither matrix block |
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| 302 | # <ESC>*v###W -> Start of a configure image data block |
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| 303 | # <ESC>*r1A -> Start Gfx |
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| 304 | # <ESC>(s###W -> Start of a characters description block |
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| 305 | # <ESC>)s###W -> Start of a fonts description block |
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| 306 | # <ESC>(f###W -> Start of a symbol set block |
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| 307 | # <ESC>&b###W -> Start of configuration data block |
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| 308 | # <ESC>&l###X -> Number of copies for current page |
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| 309 | # <ESC>&n###W -> Starts an alphanumeric string ID block |
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| 310 | # <ESC>&p###X -> Start of a non printable characters block |
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| 311 | # <ESC>&a2G -> Back side when duplex mode as generated by rastertohp |
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| 312 | # <ESC>*g###W -> Needed for planes in PCL3 output |
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| 313 | # <ESC>&l###H (or only 0 ?) -> Eject if NumPlanes > 1, as generated by rastertohp. Also defines mediasource |
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| 314 | # <ESC>&l###A -> mediasize |
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| 315 | # <ESC>&l###O -> orientation |
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| 316 | # <ESC>&l###M -> mediatype |
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| 317 | # <ESC>*t###R -> gfx resolution |
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| 318 | # |
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| 319 | tagstart = minfile[pos] ; pos += 1 |
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| 320 | if tagstart in "E9=YZ" : # one byte PCL tag |
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| 321 | if tagstart == "E" : |
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| 322 | resets += 1 |
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| 323 | continue # skip to next tag |
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| 324 | tag = tagstart + minfile[pos] ; pos += 1 |
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| 325 | if tag == "*b" : |
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| 326 | starb = 1 |
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| 327 | tagend = "VW" |
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| 328 | elif tag == "&l" : |
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| 329 | ampl = 1 |
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| 330 | tagend = "XHAOM" |
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| 331 | else : |
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| 332 | try : |
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| 333 | tagend = tagsends[tag] |
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| 334 | except KeyError : |
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| 335 | continue # Unsupported PCL tag |
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| 336 | # Now read the numeric argument |
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| 337 | size = 0 |
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| 338 | while 1 : |
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| 339 | char = minfile[pos] ; pos += 1 |
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| 340 | if not char.isdigit() : |
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| 341 | break |
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| 342 | size = (size * 10) + int(char) |
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| 343 | if char in tagend : |
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| 344 | if tag == "&l" : |
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| 345 | if char == "X" : |
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| 346 | self.setPageDict(pages, pagecount, "copies", size) |
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| 347 | elif char == "H" : |
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| 348 | self.setPageDict(pages, pagecount, "mediasource", self.mediasources.get(size, str(size))) |
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| 349 | mediasourcecount += 1 |
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| 350 | ejects += 1 |
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| 351 | elif char == "A" : |
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| 352 | self.setPageDict(pages, pagecount, "mediasize", self.mediasizes.get(size, str(size))) |
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| 353 | mediasizecount += 1 |
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| 354 | elif char == "O" : |
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| 355 | self.setPageDict(pages, pagecount, "orientation", self.orientations.get(size, str(size))) |
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| 356 | orientationcount += 1 |
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| 357 | elif char == "M" : |
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| 358 | self.setPageDict(pages, pagecount, "mediatype", self.mediatypes.get(size, str(size))) |
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| 359 | mediatypecount += 1 |
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| 360 | elif tag == "*r" : |
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| 361 | # Special tests for PCL3 |
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| 362 | if (char == "s") and size : |
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| 363 | while 1 : |
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| 364 | char = minfile[pos] ; pos += 1 |
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| 365 | if char == "A" : |
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| 366 | break |
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| 367 | elif (char == "b") and (minfile[pos] == "C") and not size : |
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| 368 | ispcl3 = 1 # Certainely a PCL3 file |
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| 369 | startgfx += (char == "A") and (minfile[pos - 2] in ("0", "1", "2", "3")) # Start Gfx |
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| 370 | endgfx += (not size) and (char in ("C", "B")) # End Gfx |
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| 371 | elif tag == "*t" : |
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| 372 | escstart += 1 |
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| 373 | elif (tag == "&a") and (size == 2) : |
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| 374 | backsides += 1 # Back side in duplex mode |
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| 375 | else : |
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| 376 | # we just ignore the block. |
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| 377 | if tag == "&n" : |
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| 378 | # we have to take care of the operation id byte |
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| 379 | # which is before the string itself |
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| 380 | size += 1 |
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| 381 | pos += size |
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| 382 | else : |
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| 383 | if starb : |
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| 384 | # special handling of PCL3 in which |
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| 385 | # *b introduces combined ESCape sequences |
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| 386 | size = 0 |
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| 387 | while 1 : |
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| 388 | char = minfile[pos] ; pos += 1 |
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| 389 | if not char.isdigit() : |
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| 390 | break |
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| 391 | size = (size * 10) + int(char) |
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| 392 | if char in ("w", "v") : |
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| 393 | ispcl3 = 1 # certainely a PCL3 document |
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| 394 | pos += size - 1 |
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| 395 | elif char in ("y", "m") : |
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| 396 | ispcl3 = 1 # certainely a PCL3 document |
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| 397 | pos -= 1 # fix position : we were ahead |
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| 398 | elif ampl : |
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| 399 | # special handling of PCL3 in which |
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| 400 | # &l introduces combined ESCape sequences |
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| 401 | size = 0 |
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| 402 | while 1 : |
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| 403 | char = minfile[pos] ; pos += 1 |
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| 404 | if not char.isdigit() : |
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| 405 | break |
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| 406 | size = (size * 10) + int(char) |
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| 407 | if char in ("a", "o", "h", "m") : |
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| 408 | ispcl3 = 1 # certainely a PCL3 document |
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| 409 | pos -= 1 # fix position : we were ahead |
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| 410 | if char == "h" : |
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| 411 | self.setPageDict(pages, pagecount, "mediasource", self.mediasources.get(size, str(size))) |
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| 412 | mediasourcecount += 1 |
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| 413 | elif char == "a" : |
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| 414 | self.setPageDict(pages, pagecount, "mediasize", self.mediasizes.get(size, str(size))) |
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| 415 | mediasizecount += 1 |
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| 416 | elif char == "o" : |
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| 417 | self.setPageDict(pages, pagecount, "orientation", self.orientations.get(size, str(size))) |
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| 418 | orientationcount += 1 |
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| 419 | elif char == "m" : |
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| 420 | self.setPageDict(pages, pagecount, "mediatype", self.mediatypes.get(size, str(size))) |
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| 421 | mediatypecount += 1 |
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| 422 | except IndexError : # EOF ? |
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| 423 | minfile.close() # reached EOF |
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| 424 | |
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| 425 | # if pagecount is still 0, we will use the number |
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| 426 | # of resets instead of the number of form feed characters. |
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| 427 | # but the number of resets is always at least 2 with a valid |
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| 428 | # pcl file : one at the very start and one at the very end |
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| 429 | # of the job's data. So we substract 2 from the number of |
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| 430 | # resets. And since on our test data we needed to substract |
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| 431 | # 1 more, we finally substract 3, and will test several |
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| 432 | # PCL files with this. If resets < 2, then the file is |
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| 433 | # probably not a valid PCL file, so we use 0 |
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| 434 | |
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| 435 | if self.debug : |
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| 436 | sys.stderr.write("pagecount : %s\n" % pagecount) |
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| 437 | sys.stderr.write("resets : %s\n" % resets) |
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| 438 | sys.stderr.write("ejects : %s\n" % ejects) |
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| 439 | sys.stderr.write("backsides : %s\n" % backsides) |
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| 440 | sys.stderr.write("startgfx : %s\n" % startgfx) |
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| 441 | sys.stderr.write("endgfx : %s\n" % endgfx) |
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| 442 | sys.stderr.write("mediasourcecount : %s\n" % mediasourcecount) |
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| 443 | sys.stderr.write("mediasizecount : %s\n" % mediasizecount) |
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| 444 | sys.stderr.write("orientationcount : %s\n" % orientationcount) |
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| 445 | sys.stderr.write("mediatypecount : %s\n" % mediatypecount) |
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| 446 | sys.stderr.write("escstart : %s\n" % escstart) |
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| 447 | |
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| 448 | # if not pagecount : |
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| 449 | # pagecount = (pagecount or ((resets - 3) * (resets > 2))) |
---|
| 450 | # else : |
---|
| 451 | # # here we add counters for other ways new pages may have |
---|
| 452 | # # been printed and ejected by the printer |
---|
| 453 | # pagecount += ejects + backsides |
---|
| 454 | # |
---|
| 455 | # # now handle number of copies for each page (may differ). |
---|
| 456 | # # in duplex mode, number of copies may be sent only once. |
---|
| 457 | # for pnum in range(pagecount) : |
---|
| 458 | # # if no number of copies defined, take the preceding one else the one set before any page else 1. |
---|
| 459 | # page = pages.get(pnum, pages.get(pnum - 1, pages.get(0, { "copies" : 1 }))) |
---|
| 460 | # pagecount += (page["copies"] - 1) |
---|
| 461 | # |
---|
| 462 | # # in PCL3 files, there's one Start Gfx tag per page |
---|
| 463 | # if ispcl3 : |
---|
| 464 | # if endgfx == int(startgfx / 2) : # special case for cdj1600 |
---|
| 465 | # pagecount = endgfx |
---|
| 466 | # elif startgfx : |
---|
| 467 | # pagecount = startgfx |
---|
| 468 | # elif endgfx : |
---|
| 469 | # pagecount = endgfx |
---|
| 470 | |
---|
| 471 | |
---|
| 472 | if pagecount == mediasourcecount == escstart : |
---|
| 473 | pass # should be OK. |
---|
| 474 | elif (not startgfx) and (not endgfx) : |
---|
| 475 | pagecount = ejects or pagecount |
---|
| 476 | elif startgfx == endgfx : |
---|
| 477 | pagecount = startgfx |
---|
| 478 | elif startgfx == (endgfx - 1) : |
---|
| 479 | pagecount = startgfx |
---|
| 480 | else : |
---|
| 481 | pagecount = abs(startgfx - endgfx) |
---|
| 482 | |
---|
| 483 | if self.debug : |
---|
| 484 | for pnum in range(pagecount) : |
---|
| 485 | # if no number of copies defined, take the preceding one else the one set before any page else 1. |
---|
| 486 | page = pages.get(pnum, pages.get(pnum - 1, pages.get(0, { "copies" : 1, "mediasource" : "Main", "mediasize" : "Default", "mediatype" : "Plain", "orientation" : "Portrait"}))) |
---|
| 487 | sys.stderr.write("%s*%s*%s*%s*%s\n" % (page["copies"], page["mediatype"], page["mediasize"], page["orientation"], page["mediasource"])) |
---|
| 488 | |
---|
| 489 | return pagecount |
---|
| 490 | |
---|
| 491 | class PCLXLAnalyzer : |
---|
| 492 | """A class to parse PCL6 (aka XL) documents.""" |
---|
| 493 | mediasizes = { |
---|
| 494 | 0 : "Letter", |
---|
| 495 | 1 : "Legal", |
---|
| 496 | 2 : "A4", |
---|
| 497 | 3 : "Executive", |
---|
| 498 | 4 : "Ledger", |
---|
| 499 | 5 : "A3", |
---|
| 500 | 6 : "COM10Envelope", |
---|
| 501 | 7 : "MonarchEnvelope", |
---|
| 502 | 8 : "C5Envelope", |
---|
| 503 | 9 : "DLEnvelope", |
---|
| 504 | 10 : "JB4", |
---|
| 505 | 11 : "JB5", |
---|
| 506 | 12 : "B5Envelope", |
---|
| 507 | 14 : "JPostcard", |
---|
| 508 | 15 : "JDoublePostcard", |
---|
| 509 | 16 : "A5", |
---|
| 510 | 17 : "A6", |
---|
| 511 | 18 : "JB6", |
---|
| 512 | } |
---|
| 513 | |
---|
| 514 | mediasources = { |
---|
| 515 | 0 : "Default", |
---|
| 516 | 1 : "Auto", |
---|
| 517 | 2 : "Manual", |
---|
| 518 | 3 : "MultiPurpose", |
---|
| 519 | 4 : "UpperCassette", |
---|
| 520 | 5 : "LowerCassette", |
---|
| 521 | 6 : "EnvelopeTray", |
---|
| 522 | 7 : "ThirdCassette", |
---|
| 523 | } |
---|
| 524 | |
---|
| 525 | orientations = { |
---|
| 526 | 0 : "Portrait", |
---|
| 527 | 1 : "Landscape", |
---|
| 528 | 2 : "ReversePortrait", |
---|
| 529 | 3 : "ReverseLandscape", |
---|
| 530 | } |
---|
| 531 | |
---|
| 532 | def __init__(self, infile, debug=0) : |
---|
| 533 | """Initialize PCLXL Analyzer.""" |
---|
| 534 | self.debug = debug |
---|
| 535 | self.infile = infile |
---|
| 536 | self.endianness = None |
---|
| 537 | found = 0 |
---|
| 538 | while not found : |
---|
| 539 | line = self.infile.readline() |
---|
| 540 | if not line : |
---|
| 541 | break |
---|
| 542 | if line[1:12] == " HP-PCL XL;" : |
---|
| 543 | found = 1 |
---|
| 544 | endian = ord(line[0]) |
---|
| 545 | if endian == 0x29 : |
---|
| 546 | self.littleEndian() |
---|
| 547 | elif endian == 0x28 : |
---|
| 548 | self.bigEndian() |
---|
| 549 | # elif endian == 0x27 : # TODO : This is the ESC code : parse it for PJL statements ! |
---|
| 550 | # |
---|
| 551 | else : |
---|
| 552 | raise PDLAnalyzerError, "Unknown endianness marker 0x%02x at start !" % endian |
---|
| 553 | if not found : |
---|
| 554 | raise PDLAnalyzerError, "This file doesn't seem to be PCLXL (aka PCL6)" |
---|
| 555 | else : |
---|
| 556 | # Initialize table of tags |
---|
| 557 | self.tags = [ 0 ] * 256 |
---|
| 558 | |
---|
| 559 | # GhostScript's sources tell us that HP printers |
---|
| 560 | # only accept little endianness, but we can handle both. |
---|
| 561 | self.tags[0x28] = self.bigEndian # BigEndian |
---|
| 562 | self.tags[0x29] = self.littleEndian # LittleEndian |
---|
| 563 | |
---|
| 564 | self.tags[0x43] = self.beginPage # BeginPage |
---|
| 565 | self.tags[0x44] = self.endPage # EndPage |
---|
| 566 | |
---|
| 567 | self.tags[0xc0] = 1 # ubyte |
---|
| 568 | self.tags[0xc1] = 2 # uint16 |
---|
| 569 | self.tags[0xc2] = 4 # uint32 |
---|
| 570 | self.tags[0xc3] = 2 # sint16 |
---|
| 571 | self.tags[0xc4] = 4 # sint32 |
---|
| 572 | self.tags[0xc5] = 4 # real32 |
---|
| 573 | |
---|
| 574 | self.tags[0xc8] = self.array_8 # ubyte_array |
---|
| 575 | self.tags[0xc9] = self.array_16 # uint16_array |
---|
| 576 | self.tags[0xca] = self.array_32 # uint32_array |
---|
| 577 | self.tags[0xcb] = self.array_16 # sint16_array |
---|
| 578 | self.tags[0xcc] = self.array_32 # sint32_array |
---|
| 579 | self.tags[0xcd] = self.array_32 # real32_array |
---|
| 580 | |
---|
| 581 | self.tags[0xd0] = 2 # ubyte_xy |
---|
| 582 | self.tags[0xd1] = 4 # uint16_xy |
---|
| 583 | self.tags[0xd2] = 8 # uint32_xy |
---|
| 584 | self.tags[0xd3] = 4 # sint16_xy |
---|
| 585 | self.tags[0xd4] = 8 # sint32_xy |
---|
| 586 | self.tags[0xd5] = 8 # real32_xy |
---|
| 587 | |
---|
| 588 | self.tags[0xe0] = 4 # ubyte_box |
---|
| 589 | self.tags[0xe1] = 8 # uint16_box |
---|
| 590 | self.tags[0xe2] = 16 # uint32_box |
---|
| 591 | self.tags[0xe3] = 8 # sint16_box |
---|
| 592 | self.tags[0xe4] = 16 # sint32_box |
---|
| 593 | self.tags[0xe5] = 16 # real32_box |
---|
| 594 | |
---|
| 595 | self.tags[0xf8] = 1 # attr_ubyte |
---|
| 596 | self.tags[0xf9] = 2 # attr_uint16 |
---|
| 597 | |
---|
| 598 | self.tags[0xfa] = self.embeddedData # dataLength |
---|
| 599 | self.tags[0xfb] = self.embeddedDataSmall # dataLengthByte |
---|
| 600 | |
---|
| 601 | def beginPage(self) : |
---|
| 602 | """Indicates the beginning of a new page, and extracts media information.""" |
---|
| 603 | self.pagecount += 1 |
---|
| 604 | |
---|
| 605 | # Default values |
---|
| 606 | mediatypelabel = "Plain" |
---|
| 607 | mediasourcelabel = "Main" |
---|
| 608 | mediasizelabel = "Default" |
---|
| 609 | orientationlabel = "Portrait" |
---|
| 610 | |
---|
| 611 | # Now go upstream to decode media type, size, source, and orientation |
---|
| 612 | # this saves time because we don't need a complete parser ! |
---|
| 613 | minfile = self.minfile |
---|
| 614 | pos = self.pos - 2 |
---|
| 615 | while pos > 0 : # safety check : don't go back to far ! |
---|
| 616 | val = ord(minfile[pos]) |
---|
| 617 | if val in (0x44, 0x48, 0x41) : # if previous endPage or openDataSource or beginSession (first page) |
---|
| 618 | break |
---|
| 619 | if val == 0x26 : |
---|
| 620 | mediasource = ord(minfile[pos - 2]) |
---|
| 621 | mediasourcelabel = self.mediasources.get(mediasource, str(mediasource)) |
---|
| 622 | pos = pos - 4 |
---|
| 623 | elif val == 0x25 : |
---|
| 624 | mediasize = ord(minfile[pos - 2]) |
---|
| 625 | mediasizelabel = self.mediasizes.get(mediasize, str(mediasize)) |
---|
| 626 | pos = pos - 4 |
---|
| 627 | elif val == 0x28 : |
---|
| 628 | orientation = ord(minfile[pos - 2]) |
---|
| 629 | orienationlabel = self.orientations.get(orientation, str(orientation)) |
---|
| 630 | pos = pos - 4 |
---|
| 631 | elif val == 0x27 : |
---|
| 632 | savepos = pos |
---|
| 633 | pos = pos - 1 |
---|
| 634 | while pos > 0 : # safety check : don't go back to far ! |
---|
| 635 | val = ord(minfile[pos]) |
---|
| 636 | pos -= 1 |
---|
| 637 | if val == 0xc8 : |
---|
| 638 | break |
---|
| 639 | mediatypelabel = minfile[pos:savepos] # TODO : INCORRECT, WE HAVE TO STRIP OUT THE UBYTE ARRAY'S LENGTH !!! |
---|
| 640 | # else : TODO : CUSTOM MEDIA SIZE AND UNIT ! |
---|
| 641 | else : |
---|
| 642 | pos = pos - 2 # ignored |
---|
| 643 | self.pages[self.pagecount] = { "copies" : 1, |
---|
| 644 | "orientation" : orientationlabel, |
---|
| 645 | "mediatype" : mediatypelabel, |
---|
| 646 | "mediasize" : mediasizelabel, |
---|
| 647 | "mediasource" : mediasourcelabel, |
---|
| 648 | } |
---|
| 649 | return 0 |
---|
| 650 | |
---|
| 651 | def endPage(self) : |
---|
| 652 | """Indicates the end of a page.""" |
---|
| 653 | pos = self.pos |
---|
| 654 | minfile = self.minfile |
---|
| 655 | if (ord(minfile[pos-3]) == 0xf8) and (ord(minfile[pos-2]) == 0x31) : |
---|
| 656 | # The EndPage operator may be preceded by a PageCopies attribute |
---|
| 657 | # So set number of copies for current page. |
---|
| 658 | # From what I read in PCLXL documentation, the number |
---|
| 659 | # of copies is an unsigned 16 bits integer |
---|
| 660 | self.pages[self.pagecount]["copies"] = unpack(self.endianness + "H", minfile[pos-5:pos-3])[0] |
---|
| 661 | return 0 |
---|
| 662 | |
---|
| 663 | def array_8(self) : |
---|
| 664 | """Handles byte arrays.""" |
---|
| 665 | pos = self.pos |
---|
| 666 | datatype = self.minfile[pos] |
---|
| 667 | pos += 1 |
---|
| 668 | length = self.tags[ord(datatype)] |
---|
| 669 | if callable(length) : |
---|
| 670 | self.pos = pos |
---|
| 671 | length = length() |
---|
| 672 | pos = self.pos |
---|
| 673 | posl = pos + length |
---|
| 674 | self.pos = posl |
---|
| 675 | if length == 1 : |
---|
| 676 | return unpack("B", self.minfile[pos:posl])[0] |
---|
| 677 | elif length == 2 : |
---|
| 678 | return unpack(self.endianness + "H", self.minfile[pos:posl])[0] |
---|
| 679 | elif length == 4 : |
---|
| 680 | return unpack(self.endianness + "I", self.minfile[pos:posl])[0] |
---|
| 681 | else : |
---|
| 682 | raise PDLAnalyzerError, "Error on array size at %s" % self.pos |
---|
| 683 | |
---|
| 684 | def array_16(self) : |
---|
| 685 | """Handles byte arrays.""" |
---|
| 686 | pos = self.pos |
---|
| 687 | datatype = self.minfile[pos] |
---|
| 688 | pos += 1 |
---|
| 689 | length = self.tags[ord(datatype)] |
---|
| 690 | if callable(length) : |
---|
| 691 | self.pos = pos |
---|
| 692 | length = length() |
---|
| 693 | pos = self.pos |
---|
| 694 | posl = pos + length |
---|
| 695 | self.pos = posl |
---|
| 696 | if length == 1 : |
---|
| 697 | return 2 * unpack("B", self.minfile[pos:posl])[0] |
---|
| 698 | elif length == 2 : |
---|
| 699 | return 2 * unpack(self.endianness + "H", self.minfile[pos:posl])[0] |
---|
| 700 | elif length == 4 : |
---|
| 701 | return 2 * unpack(self.endianness + "I", self.minfile[pos:posl])[0] |
---|
| 702 | else : |
---|
| 703 | raise PDLAnalyzerError, "Error on array size at %s" % self.pos |
---|
| 704 | |
---|
| 705 | def array_32(self) : |
---|
| 706 | """Handles byte arrays.""" |
---|
| 707 | pos = self.pos |
---|
| 708 | datatype = self.minfile[pos] |
---|
| 709 | pos += 1 |
---|
| 710 | length = self.tags[ord(datatype)] |
---|
| 711 | if callable(length) : |
---|
| 712 | self.pos = pos |
---|
| 713 | length = length() |
---|
| 714 | pos = self.pos |
---|
| 715 | posl = pos + length |
---|
| 716 | self.pos = posl |
---|
| 717 | if length == 1 : |
---|
| 718 | return 4 * unpack("B", self.minfile[pos:posl])[0] |
---|
| 719 | elif length == 2 : |
---|
| 720 | return 4 * unpack(self.endianness + "H", self.minfile[pos:posl])[0] |
---|
| 721 | elif length == 4 : |
---|
| 722 | return 4 * unpack(self.endianness + "I", self.minfile[pos:posl])[0] |
---|
| 723 | else : |
---|
| 724 | raise PDLAnalyzerError, "Error on array size at %s" % self.pos |
---|
| 725 | |
---|
| 726 | def embeddedDataSmall(self) : |
---|
| 727 | """Handle small amounts of data.""" |
---|
| 728 | pos = self.pos |
---|
| 729 | length = ord(self.minfile[pos]) |
---|
| 730 | self.pos = pos + 1 |
---|
| 731 | return length |
---|
| 732 | |
---|
| 733 | def embeddedData(self) : |
---|
| 734 | """Handle normal amounts of data.""" |
---|
| 735 | pos = self.pos |
---|
| 736 | pos4 = pos + 4 |
---|
| 737 | self.pos = pos4 |
---|
| 738 | return unpack(self.endianness + "I", self.minfile[pos:pos4])[0] |
---|
| 739 | |
---|
| 740 | def littleEndian(self) : |
---|
| 741 | """Toggles to little endianness.""" |
---|
| 742 | self.endianness = "<" # little endian |
---|
| 743 | return 0 |
---|
| 744 | |
---|
| 745 | def bigEndian(self) : |
---|
| 746 | """Toggles to big endianness.""" |
---|
| 747 | self.endianness = ">" # big endian |
---|
| 748 | return 0 |
---|
| 749 | |
---|
| 750 | def getJobSize(self) : |
---|
| 751 | """Counts pages in a PCLXL (PCL6) document. |
---|
| 752 | |
---|
| 753 | Algorithm by Jerome Alet. |
---|
| 754 | |
---|
| 755 | The documentation used for this was : |
---|
| 756 | |
---|
| 757 | HP PCL XL Feature Reference |
---|
| 758 | Protocol Class 2.0 |
---|
| 759 | http://www.hpdevelopersolutions.com/downloads/64/358/xl_ref20r22.pdf |
---|
| 760 | """ |
---|
| 761 | infileno = self.infile.fileno() |
---|
| 762 | self.pages = {} |
---|
| 763 | self.minfile = minfile = mmap.mmap(infileno, os.fstat(infileno)[6], prot=mmap.PROT_READ, flags=mmap.MAP_SHARED) |
---|
| 764 | tags = self.tags |
---|
| 765 | self.pagecount = 0 |
---|
| 766 | self.pos = pos = self.infile.tell() |
---|
| 767 | try : |
---|
| 768 | while 1 : |
---|
| 769 | char = minfile[pos] |
---|
| 770 | pos += 1 |
---|
| 771 | length = tags[ord(char)] |
---|
| 772 | if not length : |
---|
| 773 | continue |
---|
| 774 | if callable(length) : |
---|
| 775 | self.pos = pos |
---|
| 776 | length = length() |
---|
| 777 | pos = self.pos |
---|
| 778 | pos += length |
---|
| 779 | except IndexError : # EOF ? |
---|
| 780 | self.minfile.close() # reached EOF |
---|
| 781 | |
---|
| 782 | # now handle number of copies for each page (may differ). |
---|
| 783 | for pnum in range(1, self.pagecount + 1) : |
---|
| 784 | # if no number of copies defined, take 1, as explained |
---|
| 785 | # in PCLXL documentation. |
---|
| 786 | # NB : is number of copies is 0, the page won't be output |
---|
| 787 | # but the formula below is still correct : we want |
---|
| 788 | # to decrease the total number of pages in this case. |
---|
| 789 | page = self.pages.get(pnum, 1) |
---|
| 790 | copies = page["copies"] |
---|
| 791 | self.pagecount += (copies - 1) |
---|
| 792 | if self.debug : |
---|
| 793 | sys.stderr.write("%s*%s*%s*%s*%s\n" % (copies, page["mediatype"], page["mediasize"], page["orientation"], page["mediasource"])) |
---|
| 794 | |
---|
| 795 | return self.pagecount |
---|
| 796 | |
---|
| 797 | class PDLAnalyzer : |
---|
| 798 | """Generic PDL Analyzer class.""" |
---|
| 799 | def __init__(self, filename, debug=0) : |
---|
| 800 | """Initializes the PDL analyzer. |
---|
| 801 | |
---|
| 802 | filename is the name of the file or '-' for stdin. |
---|
| 803 | filename can also be a file-like object which |
---|
| 804 | supports read() and seek(). |
---|
| 805 | """ |
---|
| 806 | self.debug = debug |
---|
| 807 | self.filename = filename |
---|
| 808 | try : |
---|
| 809 | import psyco |
---|
| 810 | except ImportError : |
---|
| 811 | sys.stderr.write("pkpgcounter : you should install psyco if possible, this would greatly speedup parsing.\n") |
---|
| 812 | pass # Psyco is not installed |
---|
| 813 | else : |
---|
| 814 | # Psyco is installed, tell it to compile |
---|
| 815 | # the CPU intensive methods : PCL and PCLXL |
---|
| 816 | # parsing will greatly benefit from this, |
---|
| 817 | # for PostScript and PDF the difference is |
---|
| 818 | # barely noticeable since they are already |
---|
| 819 | # almost optimal, and much more speedy anyway. |
---|
| 820 | psyco.bind(PostScriptAnalyzer.getJobSize) |
---|
| 821 | psyco.bind(PDFAnalyzer.getJobSize) |
---|
| 822 | psyco.bind(ESCP2Analyzer.getJobSize) |
---|
| 823 | psyco.bind(PCLAnalyzer.getJobSize) |
---|
| 824 | psyco.bind(PCLXLAnalyzer.getJobSize) |
---|
| 825 | |
---|
| 826 | def getJobSize(self) : |
---|
| 827 | """Returns the job's size.""" |
---|
| 828 | self.openFile() |
---|
| 829 | try : |
---|
| 830 | pdlhandler = self.detectPDLHandler() |
---|
| 831 | except PDLAnalyzerError, msg : |
---|
| 832 | self.closeFile() |
---|
| 833 | raise PDLAnalyzerError, "ERROR : Unknown file format for %s (%s)" % (self.filename, msg) |
---|
| 834 | else : |
---|
| 835 | try : |
---|
| 836 | size = pdlhandler(self.infile, self.debug).getJobSize() |
---|
| 837 | finally : |
---|
| 838 | self.closeFile() |
---|
| 839 | return size |
---|
| 840 | |
---|
| 841 | def openFile(self) : |
---|
| 842 | """Opens the job's data stream for reading.""" |
---|
| 843 | self.mustclose = 0 # by default we don't want to close the file when finished |
---|
| 844 | if hasattr(self.filename, "read") and hasattr(self.filename, "seek") : |
---|
| 845 | # filename is in fact a file-like object |
---|
| 846 | infile = self.filename |
---|
| 847 | elif self.filename == "-" : |
---|
| 848 | # we must read from stdin |
---|
| 849 | infile = sys.stdin |
---|
| 850 | else : |
---|
| 851 | # normal file |
---|
| 852 | self.infile = open(self.filename, "rb") |
---|
| 853 | self.mustclose = 1 |
---|
| 854 | return |
---|
| 855 | |
---|
| 856 | # Use a temporary file, always seekable contrary to standard input. |
---|
| 857 | self.infile = tempfile.TemporaryFile(mode="w+b") |
---|
| 858 | while 1 : |
---|
| 859 | data = infile.read(MEGABYTE) |
---|
| 860 | if not data : |
---|
| 861 | break |
---|
| 862 | self.infile.write(data) |
---|
| 863 | self.infile.flush() |
---|
| 864 | self.infile.seek(0) |
---|
| 865 | |
---|
| 866 | def closeFile(self) : |
---|
| 867 | """Closes the job's data stream if we can close it.""" |
---|
| 868 | if self.mustclose : |
---|
| 869 | self.infile.close() |
---|
| 870 | else : |
---|
| 871 | # if we don't have to close the file, then |
---|
| 872 | # ensure the file pointer is reset to the |
---|
| 873 | # start of the file in case the process wants |
---|
| 874 | # to read the file again. |
---|
| 875 | try : |
---|
| 876 | self.infile.seek(0) |
---|
| 877 | except : |
---|
| 878 | pass # probably stdin, which is not seekable |
---|
| 879 | |
---|
| 880 | def isPostScript(self, sdata, edata) : |
---|
| 881 | """Returns 1 if data is PostScript, else 0.""" |
---|
| 882 | if sdata.startswith("%!") or \ |
---|
| 883 | sdata.startswith("\004%!") or \ |
---|
| 884 | sdata.startswith("\033%-12345X%!PS") or \ |
---|
| 885 | ((sdata[:128].find("\033%-12345X") != -1) and \ |
---|
| 886 | ((sdata.find("LANGUAGE=POSTSCRIPT") != -1) or \ |
---|
| 887 | (sdata.find("LANGUAGE = POSTSCRIPT") != -1) or \ |
---|
| 888 | (sdata.find("LANGUAGE = Postscript") != -1))) or \ |
---|
| 889 | (sdata.find("%!PS-Adobe") != -1) : |
---|
| 890 | if self.debug : |
---|
| 891 | sys.stderr.write("%s is a PostScript file\n" % str(self.filename)) |
---|
| 892 | return 1 |
---|
| 893 | else : |
---|
| 894 | return 0 |
---|
| 895 | |
---|
| 896 | def isPDF(self, sdata, edata) : |
---|
| 897 | """Returns 1 if data is PDF, else 0.""" |
---|
| 898 | if sdata.startswith("%PDF-") or \ |
---|
| 899 | sdata.startswith("\033%-12345X%PDF-") or \ |
---|
| 900 | ((sdata[:128].find("\033%-12345X") != -1) and (sdata.upper().find("LANGUAGE=PDF") != -1)) or \ |
---|
| 901 | (sdata.find("%PDF-") != -1) : |
---|
| 902 | if self.debug : |
---|
| 903 | sys.stderr.write("%s is a PDF file\n" % str(self.filename)) |
---|
| 904 | return 1 |
---|
| 905 | else : |
---|
| 906 | return 0 |
---|
| 907 | |
---|
| 908 | def isPCL(self, sdata, edata) : |
---|
| 909 | """Returns 1 if data is PCL, else 0.""" |
---|
| 910 | if sdata.startswith("\033E\033") or \ |
---|
| 911 | (sdata.startswith("\033*rbC") and (not edata[-3:] == "\f\033@")) or \ |
---|
| 912 | sdata.startswith("\033%8\033") or \ |
---|
| 913 | (sdata.find("\033%-12345X") != -1) : |
---|
| 914 | if self.debug : |
---|
| 915 | sys.stderr.write("%s is a PCL3/4/5 file\n" % str(self.filename)) |
---|
| 916 | return 1 |
---|
| 917 | else : |
---|
| 918 | return 0 |
---|
| 919 | |
---|
| 920 | def isPCLXL(self, sdata, edata) : |
---|
| 921 | """Returns 1 if data is PCLXL aka PCL6, else 0.""" |
---|
| 922 | if ((sdata[:128].find("\033%-12345X") != -1) and \ |
---|
| 923 | (sdata.find(" HP-PCL XL;") != -1) and \ |
---|
| 924 | ((sdata.find("LANGUAGE=PCLXL") != -1) or \ |
---|
| 925 | (sdata.find("LANGUAGE = PCLXL") != -1))) : |
---|
| 926 | if self.debug : |
---|
| 927 | sys.stderr.write("%s is a PCLXL (aka PCL6) file\n" % str(self.filename)) |
---|
| 928 | return 1 |
---|
| 929 | else : |
---|
| 930 | return 0 |
---|
| 931 | |
---|
| 932 | def isESCP2(self, sdata, edata) : |
---|
| 933 | """Returns 1 if data is ESC/P2, else 0.""" |
---|
| 934 | if sdata.startswith("\033@") or \ |
---|
| 935 | sdata.startswith("\033*") or \ |
---|
| 936 | sdata.startswith("\n\033@") or \ |
---|
| 937 | sdata.startswith("\0\0\0\033\1@EJL") : # ESC/P Raster ??? Seen on Stylus Photo 1284 |
---|
| 938 | if self.debug : |
---|
| 939 | sys.stderr.write("%s is an ESC/P2 file\n" % str(self.filename)) |
---|
| 940 | return 1 |
---|
| 941 | else : |
---|
| 942 | return 0 |
---|
| 943 | |
---|
| 944 | def detectPDLHandler(self) : |
---|
| 945 | """Tries to autodetect the document format. |
---|
| 946 | |
---|
| 947 | Returns the correct PDL handler class or None if format is unknown |
---|
| 948 | """ |
---|
| 949 | # Try to detect file type by reading first block of datas |
---|
| 950 | self.infile.seek(0) |
---|
| 951 | firstblock = self.infile.read(4 * KILOBYTE) |
---|
| 952 | try : |
---|
| 953 | self.infile.seek(-LASTBLOCKSIZE, 2) |
---|
| 954 | lastblock = self.infile.read(LASTBLOCKSIZE) |
---|
| 955 | except IOError : |
---|
| 956 | lastblock = "" |
---|
| 957 | |
---|
| 958 | self.infile.seek(0) |
---|
| 959 | if self.isPostScript(firstblock, lastblock) : |
---|
| 960 | return PostScriptAnalyzer |
---|
| 961 | elif self.isPCLXL(firstblock, lastblock) : |
---|
| 962 | return PCLXLAnalyzer |
---|
| 963 | elif self.isPDF(firstblock, lastblock) : |
---|
| 964 | return PDFAnalyzer |
---|
| 965 | elif self.isPCL(firstblock, lastblock) : |
---|
| 966 | return PCLAnalyzer |
---|
| 967 | elif self.isESCP2(firstblock, lastblock) : |
---|
| 968 | return ESCP2Analyzer |
---|
| 969 | else : |
---|
| 970 | raise PDLAnalyzerError, "Analysis of first data block failed." |
---|
| 971 | |
---|
| 972 | def main() : |
---|
| 973 | """Entry point for PDL Analyzer.""" |
---|
| 974 | if (len(sys.argv) < 2) or ((not sys.stdin.isatty()) and ("-" not in sys.argv[1:])) : |
---|
| 975 | sys.argv.append("-") |
---|
| 976 | |
---|
| 977 | if ("-h" in sys.argv[1:]) or ("--help" in sys.argv[1:]) : |
---|
| 978 | print "usage : pkpgcounter file1 file2 ... fileN" |
---|
[186] | 979 | elif ("-v" in sys.argv[1:]) or ("--version" in sys.argv[1:]) : |
---|
[185] | 980 | print "%s" % __version__ |
---|
| 981 | else : |
---|
| 982 | totalsize = 0 |
---|
| 983 | debug = 0 |
---|
| 984 | minindex = 1 |
---|
| 985 | if sys.argv[1] == "--debug" : |
---|
| 986 | minindex = 2 |
---|
| 987 | debug = 1 |
---|
| 988 | for arg in sys.argv[minindex:] : |
---|
| 989 | try : |
---|
| 990 | parser = PDLAnalyzer(arg, debug) |
---|
| 991 | totalsize += parser.getJobSize() |
---|
| 992 | except PDLAnalyzerError, msg : |
---|
| 993 | sys.stderr.write("ERROR: %s\n" % msg) |
---|
| 994 | sys.stderr.flush() |
---|
| 995 | print "%s" % totalsize |
---|
| 996 | |
---|
| 997 | if __name__ == "__main__" : |
---|
| 998 | main() |
---|