[193] | 1 | #! /usr/bin/env python |
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| 2 | # -*- coding: ISO-8859-15 -*- |
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[191] | 3 | # |
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| 4 | # pkpgcounter : a generic Page Description Language parser |
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| 5 | # |
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[211] | 6 | # (c) 2003, 2004, 2005 Jerome Alet <alet@librelogiciel.com> |
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[191] | 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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[211] | 19 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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[191] | 20 | # |
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| 21 | # $Id$ |
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| 22 | # |
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[193] | 23 | |
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| 24 | import sys |
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[202] | 25 | import os |
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[193] | 26 | import mmap |
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| 27 | from struct import unpack |
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| 28 | |
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[235] | 29 | import pdlparser |
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[193] | 30 | |
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[220] | 31 | class Parser(pdlparser.PDLParser) : |
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[193] | 32 | """A parser for PCLXL (aka PCL6) documents.""" |
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| 33 | mediasizes = { |
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| 34 | 0 : "Letter", |
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| 35 | 1 : "Legal", |
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| 36 | 2 : "A4", |
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| 37 | 3 : "Executive", |
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| 38 | 4 : "Ledger", |
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| 39 | 5 : "A3", |
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| 40 | 6 : "COM10Envelope", |
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| 41 | 7 : "MonarchEnvelope", |
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| 42 | 8 : "C5Envelope", |
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| 43 | 9 : "DLEnvelope", |
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| 44 | 10 : "JB4", |
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| 45 | 11 : "JB5", |
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| 46 | 12 : "B5Envelope", |
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[246] | 47 | 12 : "B5", |
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[193] | 48 | 14 : "JPostcard", |
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| 49 | 15 : "JDoublePostcard", |
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| 50 | 16 : "A5", |
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| 51 | 17 : "A6", |
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| 52 | 18 : "JB6", |
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[246] | 53 | 19 : "JIS8K", |
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| 54 | 20 : "JIS16K", |
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| 55 | 21 : "JISExec", |
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| 56 | 96 : "Default", |
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[193] | 57 | } |
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| 58 | |
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| 59 | mediasources = { |
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| 60 | 0 : "Default", |
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| 61 | 1 : "Auto", |
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| 62 | 2 : "Manual", |
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| 63 | 3 : "MultiPurpose", |
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| 64 | 4 : "UpperCassette", |
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| 65 | 5 : "LowerCassette", |
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| 66 | 6 : "EnvelopeTray", |
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| 67 | 7 : "ThirdCassette", |
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| 68 | } |
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| 69 | |
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| 70 | orientations = { |
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| 71 | 0 : "Portrait", |
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| 72 | 1 : "Landscape", |
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| 73 | 2 : "ReversePortrait", |
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| 74 | 3 : "ReverseLandscape", |
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[246] | 75 | 4 : "Default", |
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[193] | 76 | } |
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| 77 | |
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[220] | 78 | def isValid(self) : |
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| 79 | """Returns 1 if data is PCLXL aka PCL6, else 0.""" |
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| 80 | if ((self.firstblock[:128].find("\033%-12345X") != -1) and \ |
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| 81 | (self.firstblock.find(" HP-PCL XL;") != -1) and \ |
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| 82 | ((self.firstblock.find("LANGUAGE=PCLXL") != -1) or \ |
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| 83 | (self.firstblock.find("LANGUAGE = PCLXL") != -1))) : |
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| 84 | if self.debug : |
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| 85 | sys.stderr.write("DEBUG: Input file is in the PCLXL (aka PCL6) format.\n") |
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| 86 | return 1 |
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| 87 | else : |
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| 88 | return 0 |
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| 89 | |
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[193] | 90 | def beginPage(self) : |
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| 91 | """Indicates the beginning of a new page, and extracts media information.""" |
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| 92 | self.pagecount += 1 |
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| 93 | |
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| 94 | # Default values |
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| 95 | mediatypelabel = "Plain" |
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| 96 | mediasourcelabel = "Main" |
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| 97 | mediasizelabel = "Default" |
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| 98 | orientationlabel = "Portrait" |
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| 99 | |
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| 100 | # Now go upstream to decode media type, size, source, and orientation |
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| 101 | # this saves time because we don't need a complete parser ! |
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| 102 | minfile = self.minfile |
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| 103 | pos = self.pos - 2 |
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| 104 | while pos > 0 : # safety check : don't go back to far ! |
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| 105 | val = ord(minfile[pos]) |
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| 106 | if val in (0x44, 0x48, 0x41) : # if previous endPage or openDataSource or beginSession (first page) |
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| 107 | break |
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| 108 | if val == 0x26 : |
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| 109 | mediasource = ord(minfile[pos - 2]) |
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| 110 | mediasourcelabel = self.mediasources.get(mediasource, str(mediasource)) |
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| 111 | pos = pos - 4 |
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| 112 | elif val == 0x25 : |
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| 113 | mediasize = ord(minfile[pos - 2]) |
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| 114 | mediasizelabel = self.mediasizes.get(mediasize, str(mediasize)) |
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| 115 | pos = pos - 4 |
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| 116 | elif val == 0x28 : |
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| 117 | orientation = ord(minfile[pos - 2]) |
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| 118 | orienationlabel = self.orientations.get(orientation, str(orientation)) |
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| 119 | pos = pos - 4 |
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| 120 | elif val == 0x27 : |
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| 121 | savepos = pos |
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| 122 | pos = pos - 1 |
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| 123 | while pos > 0 : # safety check : don't go back to far ! |
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| 124 | val = ord(minfile[pos]) |
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| 125 | pos -= 1 |
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| 126 | if val == 0xc8 : |
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| 127 | break |
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| 128 | mediatypelabel = minfile[pos:savepos] # TODO : INCORRECT, WE HAVE TO STRIP OUT THE UBYTE ARRAY'S LENGTH !!! |
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| 129 | # else : TODO : CUSTOM MEDIA SIZE AND UNIT ! |
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| 130 | else : |
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| 131 | pos = pos - 2 # ignored |
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| 132 | self.pages[self.pagecount] = { "copies" : 1, |
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| 133 | "orientation" : orientationlabel, |
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| 134 | "mediatype" : mediatypelabel, |
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| 135 | "mediasize" : mediasizelabel, |
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| 136 | "mediasource" : mediasourcelabel, |
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| 137 | } |
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| 138 | return 0 |
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| 139 | |
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| 140 | def endPage(self) : |
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| 141 | """Indicates the end of a page.""" |
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| 142 | pos = self.pos |
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[206] | 143 | pos3 = pos - 3 |
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[193] | 144 | minfile = self.minfile |
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[206] | 145 | if minfile[pos3:pos-1] == self.setNumberOfCopies : |
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[193] | 146 | # The EndPage operator may be preceded by a PageCopies attribute |
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| 147 | # So set number of copies for current page. |
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| 148 | # From what I read in PCLXL documentation, the number |
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| 149 | # of copies is an unsigned 16 bits integer |
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[206] | 150 | self.pages[self.pagecount]["copies"] = unpack(self.endianness + "H", minfile[pos-5:pos3])[0] |
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[193] | 151 | return 0 |
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| 152 | |
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[205] | 153 | def setColorSpace(self) : |
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| 154 | """Changes the color space.""" |
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[206] | 155 | if self.minfile[self.pos-4:self.pos-1] == self.RGBColorSpace : |
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| 156 | self.iscolor = 1 |
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[205] | 157 | return 0 |
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| 158 | |
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[193] | 159 | def array_8(self) : |
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| 160 | """Handles byte arrays.""" |
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| 161 | pos = self.pos |
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| 162 | datatype = self.minfile[pos] |
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| 163 | pos += 1 |
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| 164 | length = self.tags[ord(datatype)] |
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| 165 | if callable(length) : |
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| 166 | self.pos = pos |
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| 167 | length = length() |
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| 168 | pos = self.pos |
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| 169 | posl = pos + length |
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| 170 | self.pos = posl |
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| 171 | if length == 1 : |
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| 172 | return unpack("B", self.minfile[pos:posl])[0] |
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| 173 | elif length == 2 : |
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| 174 | return unpack(self.endianness + "H", self.minfile[pos:posl])[0] |
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| 175 | elif length == 4 : |
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| 176 | return unpack(self.endianness + "I", self.minfile[pos:posl])[0] |
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| 177 | else : |
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[200] | 178 | raise pdlparser.PDLParserError, "Error on array size at %s" % self.pos |
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[193] | 179 | |
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| 180 | def array_16(self) : |
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| 181 | """Handles byte arrays.""" |
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| 182 | pos = self.pos |
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| 183 | datatype = self.minfile[pos] |
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| 184 | pos += 1 |
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| 185 | length = self.tags[ord(datatype)] |
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| 186 | if callable(length) : |
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| 187 | self.pos = pos |
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| 188 | length = length() |
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| 189 | pos = self.pos |
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| 190 | posl = pos + length |
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| 191 | self.pos = posl |
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| 192 | if length == 1 : |
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| 193 | return 2 * unpack("B", self.minfile[pos:posl])[0] |
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| 194 | elif length == 2 : |
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| 195 | return 2 * unpack(self.endianness + "H", self.minfile[pos:posl])[0] |
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| 196 | elif length == 4 : |
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| 197 | return 2 * unpack(self.endianness + "I", self.minfile[pos:posl])[0] |
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| 198 | else : |
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[200] | 199 | raise pdlparser.PDLParserError, "Error on array size at %s" % self.pos |
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[193] | 200 | |
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| 201 | def array_32(self) : |
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| 202 | """Handles byte arrays.""" |
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| 203 | pos = self.pos |
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| 204 | datatype = self.minfile[pos] |
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| 205 | pos += 1 |
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| 206 | length = self.tags[ord(datatype)] |
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| 207 | if callable(length) : |
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| 208 | self.pos = pos |
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| 209 | length = length() |
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| 210 | pos = self.pos |
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| 211 | posl = pos + length |
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| 212 | self.pos = posl |
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| 213 | if length == 1 : |
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| 214 | return 4 * unpack("B", self.minfile[pos:posl])[0] |
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| 215 | elif length == 2 : |
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| 216 | return 4 * unpack(self.endianness + "H", self.minfile[pos:posl])[0] |
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| 217 | elif length == 4 : |
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| 218 | return 4 * unpack(self.endianness + "I", self.minfile[pos:posl])[0] |
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| 219 | else : |
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[200] | 220 | raise pdlparser.PDLParserError, "Error on array size at %s" % self.pos |
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[193] | 221 | |
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| 222 | def embeddedDataSmall(self) : |
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| 223 | """Handle small amounts of data.""" |
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| 224 | pos = self.pos |
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| 225 | length = ord(self.minfile[pos]) |
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| 226 | self.pos = pos + 1 |
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| 227 | return length |
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| 228 | |
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| 229 | def embeddedData(self) : |
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| 230 | """Handle normal amounts of data.""" |
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| 231 | pos = self.pos |
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| 232 | pos4 = pos + 4 |
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| 233 | self.pos = pos4 |
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| 234 | return unpack(self.endianness + "I", self.minfile[pos:pos4])[0] |
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| 235 | |
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| 236 | def littleEndian(self) : |
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| 237 | """Toggles to little endianness.""" |
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| 238 | self.endianness = "<" # little endian |
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| 239 | return 0 |
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| 240 | |
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| 241 | def bigEndian(self) : |
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| 242 | """Toggles to big endianness.""" |
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| 243 | self.endianness = ">" # big endian |
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| 244 | return 0 |
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| 245 | |
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[245] | 246 | def reservedForFutureUse(self) : |
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| 247 | """Outputs something when a reserved byte is encountered.""" |
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| 248 | if self.debug : |
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| 249 | sys.stderr.write("Byte at %s is out of the PCLXL Protocol Class 2.0 Specification\n" % self.pos) |
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| 250 | return 0 |
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| 251 | |
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| 252 | def escape(self) : |
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| 253 | """Handles the ESC code.""" |
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| 254 | pos = endpos = self.pos |
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| 255 | if self.minfile[pos : pos+8] == r"%-12345X" : |
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| 256 | endpos = pos + 9 |
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| 257 | endmark = chr(0x0c) + chr(0x00) |
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[246] | 258 | asciilimit = chr(0x80) |
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| 259 | while (self.minfile[endpos] not in endmark) and (self.minfile[endpos] < asciilimit) : |
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[245] | 260 | endpos += 1 |
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| 261 | |
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| 262 | # Store this in a per page mapping. |
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| 263 | # NB : First time will be at page 0 (i.e. **before** page 1) ! |
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| 264 | stuff = self.escapedStuff.setdefault(self.pagecount, []) |
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| 265 | stuff.append(self.minfile[pos : endpos]) |
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| 266 | if self.debug : |
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| 267 | sys.stderr.write("Escaped datas : [%s]\n" % repr(self.minfile[pos : endpos])) |
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| 268 | return endpos - pos |
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| 269 | |
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[193] | 270 | def getJobSize(self) : |
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| 271 | """Counts pages in a PCLXL (PCL6) document. |
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| 272 | |
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| 273 | Algorithm by Jerome Alet. |
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| 274 | |
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| 275 | The documentation used for this was : |
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| 276 | |
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| 277 | HP PCL XL Feature Reference |
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| 278 | Protocol Class 2.0 |
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| 279 | http://www.hpdevelopersolutions.com/downloads/64/358/xl_ref20r22.pdf |
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[246] | 280 | |
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| 281 | Protocol Class 2.1 Supplement |
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| 282 | xl_ref21.pdf |
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| 283 | |
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| 284 | Protocol Class 3.0 Supplement |
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| 285 | xl_refsup30r089.pdf |
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[193] | 286 | """ |
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[206] | 287 | self.iscolor = None |
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[193] | 288 | self.endianness = None |
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| 289 | found = 0 |
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| 290 | while not found : |
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| 291 | line = self.infile.readline() |
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| 292 | if not line : |
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| 293 | break |
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| 294 | if line[1:12] == " HP-PCL XL;" : |
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| 295 | found = 1 |
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| 296 | endian = ord(line[0]) |
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| 297 | if endian == 0x29 : |
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| 298 | self.littleEndian() |
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| 299 | elif endian == 0x28 : |
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| 300 | self.bigEndian() |
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| 301 | # elif endian == 0x27 : # TODO : This is the ESC code : parse it for PJL statements ! |
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| 302 | # |
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| 303 | else : |
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[200] | 304 | raise pdlparser.PDLParserError, "Unknown endianness marker 0x%02x at start !" % endian |
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[193] | 305 | if not found : |
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[200] | 306 | raise pdlparser.PDLParserError, "This file doesn't seem to be PCLXL (aka PCL6)" |
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[193] | 307 | |
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[246] | 308 | # Initialize Media Sources |
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| 309 | for i in range(8, 256) : |
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| 310 | self.mediasources[i] = "ExternalTray%03i" % (i - 7) |
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| 311 | |
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[193] | 312 | # Initialize table of tags |
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| 313 | self.tags = [ 0 ] * 256 |
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| 314 | |
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[245] | 315 | self.tags[0x1b] = self.escape # The escape code |
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| 316 | |
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[193] | 317 | # GhostScript's sources tell us that HP printers |
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| 318 | # only accept little endianness, but we can handle both. |
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| 319 | self.tags[0x28] = self.bigEndian # BigEndian |
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| 320 | self.tags[0x29] = self.littleEndian # LittleEndian |
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| 321 | |
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| 322 | self.tags[0x43] = self.beginPage # BeginPage |
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| 323 | self.tags[0x44] = self.endPage # EndPage |
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[245] | 324 | self.tags[0x45] = self.reservedForFutureUse # reserved |
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| 325 | self.tags[0x46] = self.reservedForFutureUse # reserved |
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[193] | 326 | |
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[245] | 327 | self.tags[0x4a] = self.reservedForFutureUse # reserved |
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| 328 | self.tags[0x4b] = self.reservedForFutureUse # reserved |
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| 329 | self.tags[0x4c] = self.reservedForFutureUse # reserved |
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| 330 | self.tags[0x4d] = self.reservedForFutureUse # reserved |
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| 331 | self.tags[0x4e] = self.reservedForFutureUse # reserved |
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| 332 | |
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| 333 | self.tags[0x56] = self.reservedForFutureUse # TODO : documentation not clear about reserved status |
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| 334 | |
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| 335 | self.tags[0x57] = self.reservedForFutureUse # reserved |
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| 336 | self.tags[0x58] = self.reservedForFutureUse # reserved |
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| 337 | self.tags[0x59] = self.reservedForFutureUse # reserved |
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| 338 | self.tags[0x5a] = self.reservedForFutureUse # reserved |
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| 339 | |
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[206] | 340 | self.tags[0x6a] = self.setColorSpace # to detect color/b&w mode |
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[205] | 341 | |
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[245] | 342 | self.tags[0x83] = self.reservedForFutureUse # reserved |
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| 343 | |
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| 344 | self.tags[0x87] = self.reservedForFutureUse # reserved |
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| 345 | self.tags[0x88] = self.reservedForFutureUse # reserved |
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| 346 | self.tags[0x89] = self.reservedForFutureUse # reserved |
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| 347 | self.tags[0x8a] = self.reservedForFutureUse # reserved |
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| 348 | self.tags[0x8b] = self.reservedForFutureUse # reserved |
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| 349 | self.tags[0x8c] = self.reservedForFutureUse # reserved |
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| 350 | self.tags[0x8d] = self.reservedForFutureUse # reserved |
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| 351 | self.tags[0x8e] = self.reservedForFutureUse # reserved |
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| 352 | self.tags[0x8f] = self.reservedForFutureUse # reserved |
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| 353 | self.tags[0x90] = self.reservedForFutureUse # reserved |
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| 354 | |
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| 355 | self.tags[0x92] = self.reservedForFutureUse # reserved |
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| 356 | |
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| 357 | self.tags[0x94] = self.reservedForFutureUse # reserved |
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| 358 | |
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| 359 | self.tags[0x9a] = self.reservedForFutureUse # reserved |
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| 360 | self.tags[0x9c] = self.reservedForFutureUse # reserved |
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| 361 | |
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| 362 | self.tags[0xa4] = self.reservedForFutureUse # reserved |
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| 363 | self.tags[0xa5] = self.reservedForFutureUse # reserved |
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| 364 | self.tags[0xa6] = self.reservedForFutureUse # reserved |
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| 365 | self.tags[0xa7] = self.reservedForFutureUse # reserved |
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| 366 | |
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| 367 | self.tags[0xaa] = self.reservedForFutureUse # reserved |
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| 368 | self.tags[0xab] = self.reservedForFutureUse # reserved |
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| 369 | self.tags[0xac] = self.reservedForFutureUse # reserved |
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| 370 | self.tags[0xad] = self.reservedForFutureUse # reserved |
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| 371 | self.tags[0xae] = self.reservedForFutureUse # reserved |
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| 372 | self.tags[0xaf] = self.reservedForFutureUse # reserved |
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| 373 | |
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| 374 | self.tags[0xb7] = self.reservedForFutureUse # reserved |
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| 375 | |
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| 376 | self.tags[0xba] = self.reservedForFutureUse # reserved |
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| 377 | self.tags[0xbb] = self.reservedForFutureUse # reserved |
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| 378 | self.tags[0xbc] = self.reservedForFutureUse # reserved |
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| 379 | self.tags[0xbd] = self.reservedForFutureUse # reserved |
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| 380 | self.tags[0xbe] = self.reservedForFutureUse # reserved |
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| 381 | |
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[193] | 382 | self.tags[0xc0] = 1 # ubyte |
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| 383 | self.tags[0xc1] = 2 # uint16 |
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| 384 | self.tags[0xc2] = 4 # uint32 |
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| 385 | self.tags[0xc3] = 2 # sint16 |
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| 386 | self.tags[0xc4] = 4 # sint32 |
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| 387 | self.tags[0xc5] = 4 # real32 |
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| 388 | |
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[245] | 389 | self.tags[0xc6] = self.reservedForFutureUse # reserved |
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| 390 | self.tags[0xc7] = self.reservedForFutureUse # reserved |
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| 391 | |
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[193] | 392 | self.tags[0xc8] = self.array_8 # ubyte_array |
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| 393 | self.tags[0xc9] = self.array_16 # uint16_array |
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| 394 | self.tags[0xca] = self.array_32 # uint32_array |
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| 395 | self.tags[0xcb] = self.array_16 # sint16_array |
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| 396 | self.tags[0xcc] = self.array_32 # sint32_array |
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| 397 | self.tags[0xcd] = self.array_32 # real32_array |
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| 398 | |
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[245] | 399 | self.tags[0xce] = self.reservedForFutureUse # reserved |
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| 400 | self.tags[0xcf] = self.reservedForFutureUse # reserved |
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| 401 | |
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[193] | 402 | self.tags[0xd0] = 2 # ubyte_xy |
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| 403 | self.tags[0xd1] = 4 # uint16_xy |
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| 404 | self.tags[0xd2] = 8 # uint32_xy |
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| 405 | self.tags[0xd3] = 4 # sint16_xy |
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| 406 | self.tags[0xd4] = 8 # sint32_xy |
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| 407 | self.tags[0xd5] = 8 # real32_xy |
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[245] | 408 | self.tags[0xd6] = self.reservedForFutureUse # reserved |
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| 409 | self.tags[0xd7] = self.reservedForFutureUse # reserved |
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| 410 | self.tags[0xd8] = self.reservedForFutureUse # reserved |
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| 411 | self.tags[0xd9] = self.reservedForFutureUse # reserved |
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| 412 | self.tags[0xda] = self.reservedForFutureUse # reserved |
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| 413 | self.tags[0xdb] = self.reservedForFutureUse # reserved |
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| 414 | self.tags[0xdc] = self.reservedForFutureUse # reserved |
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| 415 | self.tags[0xdd] = self.reservedForFutureUse # reserved |
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| 416 | self.tags[0xde] = self.reservedForFutureUse # reserved |
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| 417 | self.tags[0xdf] = self.reservedForFutureUse # reserved |
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[193] | 418 | |
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| 419 | self.tags[0xe0] = 4 # ubyte_box |
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| 420 | self.tags[0xe1] = 8 # uint16_box |
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| 421 | self.tags[0xe2] = 16 # uint32_box |
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| 422 | self.tags[0xe3] = 8 # sint16_box |
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| 423 | self.tags[0xe4] = 16 # sint32_box |
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| 424 | self.tags[0xe5] = 16 # real32_box |
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[245] | 425 | self.tags[0xe6] = self.reservedForFutureUse # reserved |
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| 426 | self.tags[0xe7] = self.reservedForFutureUse # reserved |
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| 427 | self.tags[0xe8] = self.reservedForFutureUse # reserved |
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| 428 | self.tags[0xe9] = self.reservedForFutureUse # reserved |
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| 429 | self.tags[0xea] = self.reservedForFutureUse # reserved |
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| 430 | self.tags[0xeb] = self.reservedForFutureUse # reserved |
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| 431 | self.tags[0xec] = self.reservedForFutureUse # reserved |
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| 432 | self.tags[0xed] = self.reservedForFutureUse # reserved |
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| 433 | self.tags[0xee] = self.reservedForFutureUse # reserved |
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| 434 | self.tags[0xef] = self.reservedForFutureUse # reserved |
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[193] | 435 | |
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[245] | 436 | self.tags[0xf0] = self.reservedForFutureUse # reserved |
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| 437 | self.tags[0xf1] = self.reservedForFutureUse # reserved |
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| 438 | self.tags[0xf2] = self.reservedForFutureUse # reserved |
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| 439 | self.tags[0xf3] = self.reservedForFutureUse # reserved |
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| 440 | self.tags[0xf4] = self.reservedForFutureUse # reserved |
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| 441 | self.tags[0xf5] = self.reservedForFutureUse # reserved |
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| 442 | self.tags[0xf6] = self.reservedForFutureUse # reserved |
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| 443 | self.tags[0xf7] = self.reservedForFutureUse # reserved |
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| 444 | |
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[193] | 445 | self.tags[0xf8] = 1 # attr_ubyte |
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| 446 | self.tags[0xf9] = 2 # attr_uint16 |
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| 447 | |
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| 448 | self.tags[0xfa] = self.embeddedData # dataLength |
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| 449 | self.tags[0xfb] = self.embeddedDataSmall # dataLengthByte |
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[245] | 450 | |
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| 451 | self.tags[0xfc] = self.reservedForFutureUse # reserved |
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| 452 | self.tags[0xfd] = self.reservedForFutureUse # reserved |
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| 453 | self.tags[0xfe] = self.reservedForFutureUse # reserved |
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| 454 | self.tags[0xff] = self.reservedForFutureUse # reserved |
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[193] | 455 | |
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[206] | 456 | # color spaces |
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| 457 | self.BWColorSpace = "".join([chr(0x00), chr(0xf8), chr(0x03)]) |
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| 458 | self.GrayColorSpace = "".join([chr(0x01), chr(0xf8), chr(0x03)]) |
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| 459 | self.RGBColorSpace = "".join([chr(0x02), chr(0xf8), chr(0x03)]) |
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| 460 | |
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| 461 | # set number of copies |
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| 462 | self.setNumberOfCopies = "".join([chr(0xf8), chr(0x31)]) |
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| 463 | |
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[193] | 464 | infileno = self.infile.fileno() |
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| 465 | self.pages = {} |
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| 466 | self.minfile = minfile = mmap.mmap(infileno, os.fstat(infileno)[6], prot=mmap.PROT_READ, flags=mmap.MAP_SHARED) |
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| 467 | tags = self.tags |
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| 468 | self.pagecount = 0 |
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[245] | 469 | self.escapedStuff = {} |
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| 470 | self.pos = pos = 0 |
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[193] | 471 | try : |
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| 472 | while 1 : |
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| 473 | char = minfile[pos] |
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| 474 | pos += 1 |
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| 475 | length = tags[ord(char)] |
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| 476 | if not length : |
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| 477 | continue |
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| 478 | if callable(length) : |
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| 479 | self.pos = pos |
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| 480 | length = length() |
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| 481 | pos = self.pos |
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| 482 | pos += length |
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| 483 | except IndexError : # EOF ? |
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| 484 | self.minfile.close() # reached EOF |
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| 485 | |
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| 486 | # now handle number of copies for each page (may differ). |
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[206] | 487 | if self.iscolor : |
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| 488 | colormode = "Color" |
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| 489 | else : |
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| 490 | colormode = "Black" |
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[193] | 491 | for pnum in range(1, self.pagecount + 1) : |
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| 492 | # if no number of copies defined, take 1, as explained |
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| 493 | # in PCLXL documentation. |
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| 494 | # NB : is number of copies is 0, the page won't be output |
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| 495 | # but the formula below is still correct : we want |
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| 496 | # to decrease the total number of pages in this case. |
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| 497 | page = self.pages.get(pnum, 1) |
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| 498 | copies = page["copies"] |
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| 499 | self.pagecount += (copies - 1) |
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| 500 | if self.debug : |
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[207] | 501 | sys.stderr.write("%s*%s*%s*%s*%s*%s\n" % (copies, |
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| 502 | page["mediatype"], |
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| 503 | page["mediasize"], |
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| 504 | page["orientation"], |
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| 505 | page["mediasource"], |
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| 506 | colormode)) |
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[193] | 507 | return self.pagecount |
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| 508 | |
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| 509 | def test() : |
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| 510 | """Test function.""" |
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[196] | 511 | if (len(sys.argv) < 2) or ((not sys.stdin.isatty()) and ("-" not in sys.argv[1:])) : |
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| 512 | sys.argv.append("-") |
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| 513 | totalsize = 0 |
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| 514 | for arg in sys.argv[1:] : |
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| 515 | if arg == "-" : |
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| 516 | infile = sys.stdin |
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| 517 | mustclose = 0 |
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| 518 | else : |
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| 519 | infile = open(arg, "rb") |
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| 520 | mustclose = 1 |
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| 521 | try : |
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[220] | 522 | parser = Parser(infile, debug=1) |
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[196] | 523 | totalsize += parser.getJobSize() |
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[200] | 524 | except pdlparser.PDLParserError, msg : |
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[196] | 525 | sys.stderr.write("ERROR: %s\n" % msg) |
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| 526 | sys.stderr.flush() |
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| 527 | if mustclose : |
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| 528 | infile.close() |
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| 529 | print "%s" % totalsize |
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[193] | 530 | |
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| 531 | if __name__ == "__main__" : |
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| 532 | test() |
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