wx/gui/plugin.py

   1 #!/usr/bin/env python
   2 # -*- coding: UTF-8 -*-
   3 #
   4 # gpdf2swf.py
   5 # graphical user interface for pdf2swf
   6 #
   7 # Part of the swftools package.
   8 #
   9 # Copyright (c) 2008,2009 Matthias Kramm <kramm@quiss.org>
  10 #
  11 # This program is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 2 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # This program is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with this program; if not, write to the Free Software
  23 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  24
  25 import os
  26 import time
  27 import wx
  28 from wx.lib.pubsub import Publisher
  29 from subprocess import Popen, PIPE
  30
  31 class Plugin:
  32     def before_render(self):
  33         pass
  34
  35     def before_save(self, page):
  36         pass
  37
  38     def after_save(self, page):
  39         pass
  40
  41     def _swap_extension(self, filename, newext, flashversion=""):
  42         name, ext = os.path.splitext(filename)
  43         return u"%s%s.%s" % (name, flashversion, newext)
  44
  45     def __find_swfcombine(self):
  46         found = False
  47         prog = "swfcombine.exe" if "wxMSW" in wx.PlatformInfo else "swfcombine"
  48         basedir = os.path.dirname(__file__)
  49
  50         opj = os.path.join
  51         locations = [opj(basedir, prog)]
  52         if "wxMSW" in wx.PlatformInfo:
  53             locations.extend([
  54                               opj("c:", "swftools", prog),
  55                               opj("c:", "Program Files", "SWFTools", prog)
  56                              ])
  57         else:
  58             locations.extend([
  59                               opj(os.sep, "usr", "local", "bin", prog),
  60                               opj(os.sep, "usr", "bin", prog),
  61                              ])
  62
  63         exe = prog
  64         for e in locations:
  65             if os.path.isfile(e):
  66                 exe = e
  67                 found = True
  68                 break
  69         return exe, found
  70
  71     def swfcombine(self, *args):
  72         try:
  73             self.__swfcombine(*args)
  74         except Exception, e:
  75             wx.CallAfter(Publisher.sendMessage,
  76                          "SWF_COMBINE_ERROR", unicode(e))
  77             time.sleep(0.05)
  78
  79     def __swfcombine(self, *args):
  80         exe, found = self.__find_swfcombine()
  81         # uncoment to test a failed swfcombine find
  82         #found = False
  83
  84         if not found:
  85             raise Exception(u"Could not execute %s: %s not found" % (exe, exe))
  86
  87         # Create a command line
  88         cmd = [exe,]
  89         cmd.extend(args)
  90
  91         output = Popen(cmd, stdout=PIPE).communicate()[0]
  92
  93         # Check the process output
  94         if output:
  95             raise Exception(u"Error executing %s:%s%s" %
  96                              (u" ".join(cmd), os.linesep, output))
  97