wxPython Internationalization

kyosohma at gmail.com kyosohma at gmail.com
Tue Jul 24 15:11:19 CEST 2007


On Jul 24, 1:31 am, "mojocojo2... at gmail.com" <mojocojo2... at gmail.com>
wrote:
> I know this may have a very simple answer, nonetheless.  I am wishing
> to find the cleanest and most pythonic way of implementing the
> following:
>
> I am creating a internationalized application in wxPython and have
> sorted the directory structure in the following manner:
>
> start.py
> <app_name>
>     <tools>
>         metamenus.py
>     main.py
> <data>
>     [various files]
> <images>
>     [various files]
>
> Here's the code for the files shown above:
>
> # start.py
>
> if __name__ == '__main__':
>     import <app_name>.main
>     app = <app_name>.MyApp(0)
>     app.MainLoop()
>
> # main.py
>
> import wx
> from metamenus import MenuBarEx
>
>     class MyFrame(wx.Frame):
>         def __init__(self, parent, id, title):
>             wx.Frame.__init__(self, parent, id, title,
> wx.DefaultPosition, wx.Size(380, 250))
>
>             menu = \
>                 [[
>                     [_('&File')],
>                     [_('Open a new document')],
>                     [_('Save the document')]
>                 ],
>                 [
>                     [_('&Edit')]
>                 ],
>                 [
>                     [_('&View')]
>                 ],
>                 [
>                     [_('&Quit\tCtrl+Q')],
>                     [_('Quit the Application')],
>                     [_('&Help')]
>                 ]]
>
>         self.mainmenu = MenuBarEx(self, menu)
>
>     def OnQuit(self, event):
>         self.Close()
>
> class MyApp(wx.App):
>     def OnInit(self):
>         self.frame = MyFrame(None, -1, 'Title')
>         self.frame.Raise()
>         self.frame.Refresh()
>         self.frame.Show(True)
>         return True
>
> So here's my question.  I wish to add the following code so that the _
> method will become of use.
>
> Here is the codehttp://wiki.wxpython.org/Internationalization
> recommends:
>
> import wx
> import os
> import platform
> import codecs
> import sys
> import gettext
>
> def main():
>     # initialise language settings:
>     path = sys.path[0].decode(sys.getfilesystemencoding())
>     try:
>         langIni = codecs.open(os.path.join(path,u'language.ini'),'r',
> 'utf-8')
>     except IOError:
>         language = u'en' #defaults to english
>         pass
>     else:
>         language = langIni.read()
>
>     locales = {
>         u'en' : (wx.LANGUAGE_ENGLISH, u'en_US.UTF-8'),
>         u'es' : (wx.LANGUAGE_SPANISH, u'es_ES.UTF-8'),
>         u'fr' : (wx.LANGUAGE_FRENCH, u'fr_FR.UTF-8'),
>         }
>     mylocale = wx.Locale(locales[language][0], wx.LOCALE_LOAD_DEFAULT)
>     langdir = os.path.join(path,u'locale')
>     Lang = gettext.translation(u'messages', langdir,
> languages=[language])
>     Lang.install(unicode=1)
>
>     if platform.system() == 'Linux':
>         try:
>             # to get some language settings to display properly:
>             os.environ['LANG'] = locales[language][1]
>
>         except (ValueError, KeyError):
>             pass
>
>     #-> Code to launch application goes here. <-#
>
> if __name__ == '__main__':
>     if 'unicode' not in wx.PlatformInfo:
>         print "\nInstalled version: %s\nYou need a unicode build of
> wxPython to run this application.\n"%version
>     else:
>         main()
>
> So my question is, where would the best place be to implement the code
> above?  In start.py, main.py, in a separate file altogether? The
> problem I seem to be having is needing an instance of wx.App before
> the code recommended by thehttp://wiki.wxpython.org/Internationalization
> can become of use.
>
> I've come up with solutions to my dilemma but none seem to be
> especially clean.  Any recommendations would be great.  Also if any
> clarifications are needed let me know.
>
> Thanks

You should post this question to the wxPython user's group. They'll be
able to give better advice. See http://www.wxpython.org/maillist.php

Mike




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