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#!/usr/bin/env python

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

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import wx, os

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readerexepath = None

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def get_acroversion():

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    " Return version of Adobe Acrobat executable or None"

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    import _winreg

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    adobesoft = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, r'Software\Adobe')

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    for index in range(_winreg.QueryInfoKey(adobesoft)[0]):

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        key = _winreg.EnumKey(adobesoft, index)

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        if "acrobat" in key.lower():

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            acrokey = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, 'Software\\Adobe\\%s' % key)

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            for index in range(_winreg.QueryInfoKey(acrokey)[0]):

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                numver = _winreg.EnumKey(acrokey, index)

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                try:

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                    res = _winreg.QueryValue(_winreg.HKEY_LOCAL_MACHINE, 'Software\\Adobe\\%s\\%s\\InstallPath' % (key, numver))

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                    return res

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                except:

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                    pass

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    return None

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def open_win_pdf(readerexepath, pdffile, pagenum = None):

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    if pagenum != None :

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        os.spawnl(os.P_DETACH, readerexepath, "AcroRd32.exe", "/A", "page=%d=OpenActions" % pagenum, '"%s"'%pdffile)

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    else:

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        os.spawnl(os.P_DETACH, readerexepath, "AcroRd32.exe", '"%s"'%pdffile)

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def open_lin_pdf(readerexepath, pdffile, pagenum = None):

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    if pagenum == None :

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        os.system("%s -remote DS301 %s &"%(readerexepath, pdffile))

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    else:

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    	print "Open pdf %s at page %d"%(pdffile, pagenum)

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        os.system("%s -remote DS301 %s %d &"%(readerexepath, pdffile, pagenum))

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def open_pdf(pdffile, pagenum = None):

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    if wx.Platform == '__WXMSW__' :

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        try:

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            readerpath = get_acroversion()

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        except:

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            wx.MessageBox("Acrobat Reader is not found or installed !")

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            return None

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        readerexepath = os.path.join(readerpath, "AcroRd32.exe")

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        if(os.path.isfile(readerexepath)):

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            open_win_pdf(readerexepath, pdffile, pagenum)

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        else:

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            return None

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    else:

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        readerexepath = os.path.join("/usr/bin","xpdf")

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        if(os.path.isfile(readerexepath)):

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            open_lin_pdf(readerexepath, pdffile, pagenum)

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        else:

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            wx.MessageBox("xpdf is not found or installed !")

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            return None