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#!/usr/bin/env python

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

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#This file is part of PLCOpenEditor, a library implementing an IEC 61131-3 editor

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#based on the plcopen standard. 

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#

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#Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD

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#

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#See COPYING file for copyrights details.

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#

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#This library is free software; you can redistribute it and/or

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#modify it under the terms of the GNU General Public

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#License as published by the Free Software Foundation; either

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#version 2.1 of the License, or (at your option) any later version.

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#

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#This library is distributed in the hope that it will be useful,

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#but WITHOUT ANY WARRANTY; without even the implied warranty of

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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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#General Public License for more details.

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#

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#You should have received a copy of the GNU General Public

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#License along with this library; if not, write to the Free Software

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#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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import wx, os, subprocess

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def get_inkscape_path():

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    """ Return the Inkscape path """

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    import _winreg

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    svgexepath = _winreg.QueryValue(_winreg.HKEY_LOCAL_MACHINE,

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                 'Software\\Classes\\svgfile\\shell\\Inkscape\\command')

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    svgexepath = svgexepath.replace('"%1"', '')

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    return svgexepath.replace('"', '')

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def open_win_svg(svgexepath, svgfile):

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    """ Open Inkscape on Windows platform """

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    popenargs = [svgexepath]

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    if svgfile is not None :

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        popenargs.append(svgfile)

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    subprocess.Popen(popenargs).pid

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def open_lin_svg(svgexepath, svgfile):

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    """ Open Inkscape on Linux platform """

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    if os.path.isfile("/usr/bin/inkscape"):

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        os.system("%s %s &"%(svgexepath , svgfile))

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def open_svg(svgfile):

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    """ Generic function to open SVG file """

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    if wx.Platform == '__WXMSW__' :

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        svgexepath = get_inkscape_path()

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        try:

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            open_win_svg(svgexepath , svgfile)

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        except:

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

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            return None

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    else:

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        svgexepath = os.path.join("/usr/bin","inkscape")

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

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            open_lin_svg(svgexepath, svgfile)

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        else:

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

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            return None

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