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#!/usr/bin/env python

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# -*- coding: utf-8 -*-

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import os

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DS301_PDF_INDEX = {0x1000: 86, 0x1001: 87, 0x1002: 87, 0x1003: 88, 0x1005: 89, 0x1006: 90, 0x1007: 90, 0x1008: 91, 0x1009: 91, 0x100A: 91, 0x100C: 92, 0x100D: 92, 0x1010: 92, 0x1011: 94, 0x1012: 97, 0x1013: 98, 0x1014: 98, 0x1015: 99, 0x1016: 100, 0x1017: 101, 0x1018: 101, 0x1020: 117, 0x1200: 103, 0x1201: 103, 0x1280: 105, 0x1400: 106, 0x1600: 109, 0x1800: 111, 0x1A00: 112}

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def OpenPDFDocIndex(index, cwd):

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    if not os.path.isfile(os.path.join(cwd, "../doc/301_v04000201.pdf")):

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        return """No documentation file available.

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Please read can festival documentation to know how to obtain one."""

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    try:

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        if index in DS301_PDF_INDEX:

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            os.system("xpdf -remote DS301 %s %d &"%(os.path.join(cwd, "../doc/301_v04000201.pdf"), DS301_PDF_INDEX[index]))

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        else:

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            os.system("xpdf -remote DS301 %s &"%os.path.join(cwd, "../doc/301_v04000201.pdf"))

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        return True

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    except:

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        return """Check if xpdf is correctly installed on your computer"""

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