objdictgen/i18n/mki18n.py
author edouard
Fri, 12 Nov 2010 22:02:32 +0100
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#! /usr/bin/env python
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# -*- coding: iso-8859-1 -*-
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# 
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#   PYTHON MODULE:     MKI18N.PY
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#                      =========
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# 
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#   Abstract:         Make Internationalization (i18n) files for an application.
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# 
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#   Copyright Pierre Rouleau. 2003. Released to public domain.
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# 
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#   Last update: Saturday, November 8, 2003. @ 15:55:18.
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# 
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#   File: ROUP2003N01::C:/dev/python/mki18n.py
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# 
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#   RCS $Header: //software/official/MKS/MKS_SI/TV_NT/dev/Python/rcs/mki18n.py 1.5 2003/11/05 19:40:04 PRouleau Exp $
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# 
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#   Update history:
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# 
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#   - File created: Saturday, June 7, 2003. by Pierre Rouleau
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#   - 10/06/03 rcs : RCS Revision 1.1  2003/06/10 10:06:12  PRouleau
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#   - 10/06/03 rcs : RCS Initial revision
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#   - 23/08/03 rcs : RCS Revision 1.2  2003/06/10 10:54:27  PRouleau
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#   - 23/08/03 P.R.: [code:fix] : The strings encoded in this file are encode in iso-8859-1 format.  Added the encoding
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#                    notification to Python to comply with Python's 2.3 PEP 263.
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#   - 23/08/03 P.R.: [feature:new] : Added the '-e' switch which is used to force the creation of the empty English .mo file.
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#   - 22/10/03 P.R.: [code] : incorporated utility functions in here to make script self sufficient.
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#   - 05/11/03 rcs : RCS Revision 1.4  2003/10/22 06:39:31  PRouleau
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#   - 05/11/03 P.R.: [code:fix] : included the unixpath() in this file.
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#   - 08/11/03 rcs : RCS Revision 1.5  2003/11/05 19:40:04  PRouleau
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# 
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#   RCS $Log: $
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# 
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# 
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# -----------------------------------------------------------------------------
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"""                                
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mki18n allows you to internationalize your software.  You can use it to 
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create the GNU .po files (Portable Object) and the compiled .mo files
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(Machine Object).
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mki18n module can be used from the command line or from within a script (see 
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the Usage at the end of this page).
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    Table of Contents
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    -----------------
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    makePO()             -- Build the Portable Object file for the application --
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    catPO()              -- Concatenate one or several PO files with the application domain files. --
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    makeMO()             -- Compile the Portable Object files into the Machine Object stored in the right location. --
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    printUsage           -- Displays how to use this script from the command line --
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    Scriptexecution      -- Runs when invoked from the command line --
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NOTE:  this module uses GNU gettext utilities.
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You can get the gettext tools from the following sites:
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   - `GNU FTP site for gettetx`_ where several versions (0.10.40, 0.11.2, 0.11.5 and 0.12.1) are available.
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     Note  that you need to use `GNU libiconv`_ to use this. Get it from the `GNU
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     libiconv  ftp site`_ and get version 1.9.1 or later. Get the Windows .ZIP
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     files and install the packages inside c:/gnu. All binaries will be stored
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     inside  c:/gnu/bin.  Just  put c:/gnu/bin inside your PATH. You will need
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     the following files: 
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      - `gettext-runtime-0.12.1.bin.woe32.zip`_ 
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      - `gettext-tools-0.12.1.bin.woe32.zip`_
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      - `libiconv-1.9.1.bin.woe32.zip`_ 
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.. _GNU libiconv:                            http://www.gnu.org/software/libiconv/
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.. _GNU libiconv ftp site:                   http://www.ibiblio.org/pub/gnu/libiconv/
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.. _gettext-runtime-0.12.1.bin.woe32.zip:    ftp://ftp.gnu.org/gnu/gettext/gettext-runtime-0.12.1.bin.woe32.zip           
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.. _gettext-tools-0.12.1.bin.woe32.zip:      ftp://ftp.gnu.org/gnu/gettext/gettext-tools-0.12.1.bin.woe32.zip 
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.. _libiconv-1.9.1.bin.woe32.zip:            http://www.ibiblio.org/pub/gnu/libiconv/libiconv-1.9.1.bin.woe32.zip
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"""
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# -----------------------------------------------------------------------------
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# Module Import
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# -------------
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# 
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import os
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import sys
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import wx
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# -----------------------------------------------------------------------------
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# Global variables
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# ----------------
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#
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__author__ = "Pierre Rouleau"
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__version__= "$Revision: 1.5 $"
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# -----------------------------------------------------------------------------
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def getlanguageDict():
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    languageDict = {}
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    for lang in [x for x in dir(wx) if x.startswith("LANGUAGE")]:
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        i = wx.Locale(wx.LANGUAGE_DEFAULT).GetLanguageInfo(getattr(wx, lang))
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        if i:
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            languageDict[i.CanonicalName] = i.Description
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    return languageDict
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# -----------------------------------------------------------------------------
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# m a k e P O ( )         -- Build the Portable Object file for the application --
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# ^^^^^^^^^^^^^^^
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#
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def makePO(applicationDirectoryPath,  applicationDomain=None, verbose=0) :
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    """Build the Portable Object Template file for the application.
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    makePO builds the .pot file for the application stored inside 
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    a specified directory by running xgettext for all application source 
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    files.  It finds the name of all files by looking for a file called 'app.fil'. 
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    If this file does not exists, makePo raises an IOError exception.
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    By default the application domain (the application
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    name) is the same as the directory name but it can be overridden by the
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    'applicationDomain' argument.
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    makePO always creates a new file called messages.pot.  If it finds files 
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    of the form app_xx.po where 'app' is the application name and 'xx' is one 
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    of the ISO 639 two-letter language codes, makePO resynchronizes those 
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    files with the latest extracted strings (now contained in messages.pot). 
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    This process updates all line location number in the language-specific
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    .po files and may also create new entries for translation (or comment out 
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    some).  The .po file is not changed, instead a new file is created with 
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    the .new extension appended to the name of the .po file.
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    By default the function does not display what it is doing.  Set the 
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    verbose argument to 1 to force it to print its commands.
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    """
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    if applicationDomain is None:
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        applicationName = fileBaseOf(applicationDirectoryPath,withPath=0)
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    else:
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        applicationName = applicationDomain
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    currentDir = os.getcwd()
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    os.chdir(applicationDirectoryPath)                    
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    if not os.path.exists('app.fil'):
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        raise IOError(2,'No module file: app.fil')
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    # Steps:                                  
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    #  Use xgettext to parse all application modules
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    #  The following switches are used:
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    #  
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    #   -s                          : sort output by string content (easier to use when we need to merge several .po files)
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    #   --files-from=app.fil        : The list of files is taken from the file: app.fil
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    #   --output=                   : specifies the name of the output file (using a .pot extension)
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    cmd = 'xgettext -s --no-wrap --language=Python --files-from=app.fil --output=messages.pot'
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    if verbose: print cmd
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    os.system(cmd)                                                
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    languageDict = getlanguageDict()
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    for langCode in languageDict.keys():
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        if langCode == 'en':
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            pass
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        else:
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            langPOfileName = "%s_%s.po" % (applicationName , langCode)
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            if os.path.exists(langPOfileName):
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                cmd = 'msgmerge -s --no-wrap "%s" messages.pot > "%s.new"' % (langPOfileName, langPOfileName)
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                if verbose: print cmd
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                os.system(cmd)
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    os.chdir(currentDir)
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# -----------------------------------------------------------------------------
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# c a t P O ( )         -- Concatenate one or several PO files with the application domain files. --
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# ^^^^^^^^^^^^^
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#
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def catPO(applicationDirectoryPath, listOf_extraPo, applicationDomain=None, targetDir=None, verbose=0) :
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    """Concatenate one or several PO files with the application domain files.
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    """
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    if applicationDomain is None:
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        applicationName = fileBaseOf(applicationDirectoryPath,withPath=0)
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    else:
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        applicationName = applicationDomain
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    currentDir = os.getcwd()
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    os.chdir(applicationDirectoryPath)
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    languageDict = getlanguageDict()
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    for langCode in languageDict.keys():
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        if langCode == 'en':
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            pass
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        else:
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            langPOfileName = "%s_%s.po" % (applicationName , langCode)
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            if os.path.exists(langPOfileName):
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                fileList = ''
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                for fileName in listOf_extraPo:
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                    fileList += ("%s_%s.po " % (fileName,langCode))
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                cmd = "msgcat -s --no-wrap %s %s > %s.cat" % (langPOfileName, fileList, langPOfileName)
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                if verbose: print cmd
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                os.system(cmd)
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                if targetDir is None:
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                    pass
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                else:
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                    mo_targetDir = "%s/%s/LC_MESSAGES" % (targetDir,langCode)
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                    cmd = "msgfmt --output-file=%s/%s.mo %s_%s.po.cat" % (mo_targetDir,applicationName,applicationName,langCode)
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                    if verbose: print cmd
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                    os.system(cmd)
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    os.chdir(currentDir)
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# -----------------------------------------------------------------------------
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# m a k e M O ( )         -- Compile the Portable Object files into the Machine Object stored in the right location. --
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# ^^^^^^^^^^^^^^^
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# 
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def makeMO(applicationDirectoryPath,targetDir='./locale',applicationDomain=None, verbose=0, forceEnglish=0) :
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    """Compile the Portable Object files into the Machine Object stored in the right location.
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    makeMO converts all translated language-specific PO files located inside 
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    the  application directory into the binary .MO files stored inside the 
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    LC_MESSAGES sub-directory for the found locale files.
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    makeMO searches for all files that have a name of the form 'app_xx.po' 
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    inside the application directory specified by the first argument.  The 
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    'app' is the application domain name (that can be specified by the 
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    applicationDomain argument or is taken from the directory name). The 'xx' 
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    corresponds to one of the ISO 639 two-letter language codes.
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    makeMo stores the resulting files inside a sub-directory of `targetDir`
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    called xx/LC_MESSAGES where 'xx' corresponds to the 2-letter language
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    code.
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    """
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    if targetDir is None:
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        targetDir = './locale'
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    if verbose:
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        print "Target directory for .mo files is: %s" % targetDir
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    if applicationDomain is None:
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        applicationName = fileBaseOf(applicationDirectoryPath,withPath=0)
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    else:
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        applicationName = applicationDomain
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    currentDir = os.getcwd()
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    os.chdir(applicationDirectoryPath)
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    languageDict = getlanguageDict()
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    for langCode in languageDict.keys():
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        if (langCode == 'en') and (forceEnglish==0):
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            pass
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        else:
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            langPOfileName = "%s_%s.po" % (applicationName , langCode)
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            if os.path.exists(langPOfileName):
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                mo_targetDir = "%s/%s/LC_MESSAGES" % (targetDir,langCode)
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                if not os.path.exists(mo_targetDir):
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                    mkdir(mo_targetDir)
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                cmd = 'msgfmt --output-file="%s/%s.mo" "%s_%s.po"' % (mo_targetDir,applicationName,applicationName,langCode)
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                if verbose: print cmd
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                os.system(cmd)
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    os.chdir(currentDir)
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# -----------------------------------------------------------------------------
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# p r i n t U s a g e         -- Displays how to use this script from the command line --
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# ^^^^^^^^^^^^^^^^^^^
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#
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def printUsage(errorMsg=None) :
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    """Displays how to use this script from the command line."""
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    print """
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    ##################################################################################
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    #   mki18n :   Make internationalization files.                                  #
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    #              Uses the GNU gettext system to create PO (Portable Object) files  #
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    #              from source code, coimpile PO into MO (Machine Object) files.     #
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    #              Supports C,C++,Python source files.                               #
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    #                                                                                #
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    #   Usage: mki18n {OPTION} [appDirPath]                                          #
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    #                                                                                #
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    #   Options:                                                                     #
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    #     -e               : When -m is used, forces English .mo file creation       #
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    #     -h               : prints this help                                        #
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    #     -m               : make MO from existing PO files                          #
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    #     -p               : make PO, update PO files: Creates a new messages.pot    #
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    #                        file. Creates a dom_xx.po.new for every existing        #
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    #                        language specific .po file. ('xx' stands for the ISO639 #
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    #                        two-letter language code and 'dom' stands for the       #
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    #                        application domain name).  mki18n requires that you     #
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    #                        write a 'app.fil' file  which contains the list of all  #
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    #                        source code to parse.                                   #
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    #     -v               : verbose (prints comments while running)                 #
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    #     --domain=appName : specifies the application domain name.  By default      #
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    #                        the directory name is used.                             #
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    #     --moTarget=dir : specifies the directory where .mo files are stored.       #
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    #                      If not specified, the target is './locale'                #
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    #                                                                                #
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    #   You must specify one of the -p or -m option to perform the work.  You can    #
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    #   specify the path of the target application.  If you leave it out mki18n      #
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    #   will use the current directory as the application main directory.            #        
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    #                                                                                #
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    ##################################################################################"""
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    if errorMsg:
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        print "\n   ERROR: %s" % errorMsg
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# -----------------------------------------------------------------------------
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# f i l e B a s e O f ( )         -- Return base name of filename --
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# ^^^^^^^^^^^^^^^^^^^^^^^
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# 
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def fileBaseOf(filename,withPath=0) :
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   """fileBaseOf(filename,withPath) ---> string
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   Return base name of filename.  The returned string never includes the extension.
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   Use os.path.basename() to return the basename with the extension.  The 
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   second argument is optional.  If specified and if set to 'true' (non zero) 
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   the string returned contains the full path of the file name.  Otherwise the 
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   path is excluded.
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   [Example]
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   >>> fn = 'd:/dev/telepath/tvapp/code/test.html'
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   >>> fileBaseOf(fn)
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   'test'
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   >>> fileBaseOf(fn)
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   'test'
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   >>> fileBaseOf(fn,1)
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   'd:/dev/telepath/tvapp/code/test'
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   >>> fileBaseOf(fn,0)
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   'test'
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   >>> fn = 'abcdef'
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   >>> fileBaseOf(fn)
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   'abcdef'
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   >>> fileBaseOf(fn,1)
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   'abcdef'
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   >>> fn = "abcdef."
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   >>> fileBaseOf(fn)
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   'abcdef'
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   >>> fileBaseOf(fn,1)
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   'abcdef'
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   """            
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   pos = filename.rfind('.')             
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   if pos > 0:
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      filename = filename[:pos]
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   if withPath:
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      return filename
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   else:
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      return os.path.basename(filename)
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# -----------------------------------------------------------------------------
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# m k d i r ( )         -- Create a directory (and possibly the entire tree) --
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# ^^^^^^^^^^^^^
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# 
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def mkdir(directory) :
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   """Create a directory (and possibly the entire tree).
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   The os.mkdir() will fail to create a directory if one of the
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   directory in the specified path does not exist.  mkdir()
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   solves this problem.  It creates every intermediate directory
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   required to create the final path. Under Unix, the function 
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   only supports forward slash separator, but under Windows and MacOS
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   the function supports the forward slash and the OS separator (backslash
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   under windows).
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   """ 
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   # translate the path separators
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   directory = unixpath(directory)
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   # build a list of all directory elements
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   aList = filter(lambda x: len(x)>0, directory.split('/'))
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   theLen = len(aList)                     
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   # if the first element is a Windows-style disk drive
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   # concatenate it with the first directory
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   356
   if aList[0].endswith(':'):
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      if theLen > 1:
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         aList[1] = aList[0] + '/' + aList[1]
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         del aList[0]      
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         theLen -= 1         
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   # if the original directory starts at root,
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   362
   # make sure the first element of the list 
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   363
   # starts at root too
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parents:
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   364
   if directory[0] == '/':     
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parents:
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   365
      aList[0] = '/' + aList[0]
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parents:
diff changeset
   366
   # Now iterate through the list, check if the 
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parents:
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   367
   # directory exists and if not create it
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parents:
diff changeset
   368
   theDir = ''
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parents:
diff changeset
   369
   for i in range(theLen):
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   370
      theDir += aList[i]
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parents:
diff changeset
   371
      if not os.path.exists(theDir):
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parents:
diff changeset
   372
         os.mkdir(theDir)
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   373
      theDir += '/'   
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   374
      
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# -----------------------------------------------------------------------------
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   376
# u n i x p a t h ( )         -- Return a path name that contains Unix separator. --
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   377
# ^^^^^^^^^^^^^^^^^^^
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parents:
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   378
# 
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parents:
diff changeset
   379
def unixpath(thePath) :
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parents:
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   380
   r"""Return a path name that contains Unix separator.
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   381
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   382
   [Example]
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parents:
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   383
   >>> unixpath(r"d:\test")
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parents:
diff changeset
   384
   'd:/test'
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parents:
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   385
   >>> unixpath("d:/test/file.txt")
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parents:
diff changeset
   386
   'd:/test/file.txt'
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   387
   >>> 
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parents:
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   388
   """
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parents:
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   389
   thePath = os.path.normpath(thePath)
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parents:
diff changeset
   390
   if os.sep == '/':
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parents:
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   391
      return thePath
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parents:
diff changeset
   392
   else:
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parents:
diff changeset
   393
      return thePath.replace(os.sep,'/')
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parents:
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   394
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parents:
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   395
# ----------------------------------------------------------------------------- 
2ae92a99ac10 Adding support for internationalization
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parents:
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   396
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parents:
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   397
# S c r i p t   e x e c u t i o n               -- Runs when invoked from the command line --
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parents:
diff changeset
   398
# ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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parents:
diff changeset
   399
# 
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parents:
diff changeset
   400
if __name__ == "__main__":
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laurent
parents:
diff changeset
   401
    import getopt     # command line parsing
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   402
    argc = len(sys.argv)
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   403
    if argc == 1:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   404
        printUsage('Missing argument: specify at least one of -m or -p (or both).')
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   405
        sys.exit(1)
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   406
    # If there is some arguments, parse the command line
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   407
    validOptions     = "ehmpv"
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laurent
parents:
diff changeset
   408
    validLongOptions = ['domain=', 'moTarget=']             
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   409
    option = {}
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laurent
parents:
diff changeset
   410
    option['forceEnglish'] = 0
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laurent
parents:
diff changeset
   411
    option['mo'] = 0
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laurent
parents:
diff changeset
   412
    option['po'] = 0        
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   413
    option['verbose'] = 0
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laurent
parents:
diff changeset
   414
    option['domain'] = None
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laurent
parents:
diff changeset
   415
    option['moTarget'] = None
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laurent
parents:
diff changeset
   416
    try:
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laurent
parents:
diff changeset
   417
        optionList,pargs = getopt.getopt(sys.argv[1:],validOptions,validLongOptions)
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   418
    except getopt.GetoptError, e:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   419
        printUsage(e[0])
2ae92a99ac10 Adding support for internationalization
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parents:
diff changeset
   420
        sys.exit(1)       
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   421
    for (opt,val) in optionList:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   422
        if  (opt == '-h'):    
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   423
            printUsage()
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   424
            sys.exit(0) 
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   425
        elif (opt == '-e'):         option['forceEnglish'] = 1
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   426
        elif (opt == '-m'):         option['mo'] = 1
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   427
        elif (opt == '-p'):         option['po'] = 1
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   428
        elif (opt == '-v'):         option['verbose'] = 1
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   429
        elif (opt == '--domain'):   option['domain'] = val
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   430
        elif (opt == '--moTarget'): option['moTarget'] = val
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   431
    if len(pargs) == 0:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   432
        appDirPath = os.getcwd()
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   433
        if option['verbose']:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   434
            print "No project directory given. Using current one:  %s" % appDirPath
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   435
    elif len(pargs) == 1:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   436
        appDirPath = pargs[0]
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   437
    else:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   438
        printUsage('Too many arguments (%u).  Use double quotes if you have space in directory name' % len(pargs))
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   439
        sys.exit(1)
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   440
    if option['domain'] is None:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   441
        # If no domain specified, use the name of the target directory
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   442
        option['domain'] = fileBaseOf(appDirPath)
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   443
    if option['verbose']:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   444
        print "Application domain used is: '%s'" % option['domain']
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   445
    if option['po']:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   446
        try:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   447
            makePO(appDirPath,option['domain'],option['verbose'])
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   448
        except IOError, e:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   449
            printUsage(e[1] + '\n   You must write a file app.fil that contains the list of all files to parse.')
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   450
    if option['mo']:
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   451
        makeMO(appDirPath,option['moTarget'],option['domain'],option['verbose'],option['forceEnglish'])
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   452
    sys.exit(1)            
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   453
            
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   454
2ae92a99ac10 Adding support for internationalization
laurent
parents:
diff changeset
   455
# -----------------------------------------------------------------------------