1 #! /usr/bin/env python
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2 # -*- coding: iso-8859-1 -*-
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4 # PYTHON MODULE: MKI18N.PY
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7 # Abstract: Make Internationalization (i18n) files for an application.
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9 # Copyright Pierre Rouleau. 2003. Released to public domain.
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11 # Last update: Saturday, November 8, 2003. @ 15:55:18.
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13 # File: ROUP2003N01::C:/dev/python/mki18n.py
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15 # 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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19 # - File created: Saturday, June 7, 2003. by Pierre Rouleau
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20 # - 10/06/03 rcs : RCS Revision 1.1 2003/06/10 10:06:12 PRouleau
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21 # - 10/06/03 rcs : RCS Initial revision
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22 # - 23/08/03 rcs : RCS Revision 1.2 2003/06/10 10:54:27 PRouleau
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23 # - 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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24 # notification to Python to comply with Python's 2.3 PEP 263.
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25 # - 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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26 # - 22/10/03 P.R.: [code] : incorporated utility functions in here to make script self sufficient.
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27 # - 05/11/03 rcs : RCS Revision 1.4 2003/10/22 06:39:31 PRouleau
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28 # - 05/11/03 P.R.: [code:fix] : included the unixpath() in this file.
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29 # - 08/11/03 rcs : RCS Revision 1.5 2003/11/05 19:40:04 PRouleau
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34 # -----------------------------------------------------------------------------
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36 mki18n allows you to internationalize your software. You can use it to
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37 create the GNU .po files (Portable Object) and the compiled .mo files
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40 mki18n module can be used from the command line or from within a script (see
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41 the Usage at the end of this page).
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46 makePO() -- Build the Portable Object file for the application --
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47 catPO() -- Concatenate one or several PO files with the application domain files. --
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48 makeMO() -- Compile the Portable Object files into the Machine Object stored in the right location. --
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49 printUsage -- Displays how to use this script from the command line --
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51 Scriptexecution -- Runs when invoked from the command line --
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54 NOTE: this module uses GNU gettext utilities.
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56 You can get the gettext tools from the following sites:
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58 - `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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59 Note that you need to use `GNU libiconv`_ to use this. Get it from the `GNU
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60 libiconv ftp site`_ and get version 1.9.1 or later. Get the Windows .ZIP
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61 files and install the packages inside c:/gnu. All binaries will be stored
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62 inside c:/gnu/bin. Just put c:/gnu/bin inside your PATH. You will need
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63 the following files:
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65 - `gettext-runtime-0.12.1.bin.woe32.zip`_
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66 - `gettext-tools-0.12.1.bin.woe32.zip`_
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67 - `libiconv-1.9.1.bin.woe32.zip`_
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70 .. _GNU libiconv: http://www.gnu.org/software/libiconv/
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71 .. _GNU libiconv ftp site: http://www.ibiblio.org/pub/gnu/libiconv/
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72 .. _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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73 .. _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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74 .. _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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77 # -----------------------------------------------------------------------------
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84 # -----------------------------------------------------------------------------
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89 __author__ = "Pierre Rouleau"
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90 __version__= "$Revision: 1.5 $"
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92 # -----------------------------------------------------------------------------
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94 def getlanguageDict():
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97 for lang in [x for x in dir(wx) if x.startswith("LANGUAGE")]:
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98 i = wx.Locale(wx.LANGUAGE_DEFAULT).GetLanguageInfo(getattr(wx, lang))
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100 languageDict[i.CanonicalName] = i.Description
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102 return languageDict
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104 # -----------------------------------------------------------------------------
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105 # m a k e P O ( ) -- Build the Portable Object file for the application --
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108 def makePO(applicationDirectoryPath, applicationDomain=None, verbose=0) :
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109 """Build the Portable Object Template file for the application.
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111 makePO builds the .pot file for the application stored inside
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112 a specified directory by running xgettext for all application source
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113 files. It finds the name of all files by looking for a file called 'app.fil'.
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114 If this file does not exists, makePo raises an IOError exception.
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115 By default the application domain (the application
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116 name) is the same as the directory name but it can be overridden by the
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117 'applicationDomain' argument.
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119 makePO always creates a new file called messages.pot. If it finds files
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120 of the form app_xx.po where 'app' is the application name and 'xx' is one
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121 of the ISO 639 two-letter language codes, makePO resynchronizes those
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122 files with the latest extracted strings (now contained in messages.pot).
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123 This process updates all line location number in the language-specific
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124 .po files and may also create new entries for translation (or comment out
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125 some). The .po file is not changed, instead a new file is created with
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126 the .new extension appended to the name of the .po file.
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128 By default the function does not display what it is doing. Set the
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129 verbose argument to 1 to force it to print its commands.
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132 if applicationDomain is None:
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133 applicationName = fileBaseOf(applicationDirectoryPath,withPath=0)
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135 applicationName = applicationDomain
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136 currentDir = os.getcwd()
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137 os.chdir(applicationDirectoryPath)
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138 if not os.path.exists('app.fil'):
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139 raise IOError(2,'No module file: app.fil')
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142 # Use xgettext to parse all application modules
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143 # The following switches are used:
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145 # -s : sort output by string content (easier to use when we need to merge several .po files)
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146 # --files-from=app.fil : The list of files is taken from the file: app.fil
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147 # --output= : specifies the name of the output file (using a .pot extension)
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148 cmd = 'xgettext -s --no-wrap --files-from=app.fil --output=messages.pot'
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149 if verbose: print cmd
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152 languageDict = getlanguageDict()
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154 for langCode in languageDict.keys():
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155 if langCode == 'en':
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158 langPOfileName = "%s_%s.po" % (applicationName , langCode)
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159 if os.path.exists(langPOfileName):
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160 cmd = 'msgmerge -s --no-wrap "%s" messages.pot > "%s.new"' % (langPOfileName, langPOfileName)
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161 if verbose: print cmd
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163 os.chdir(currentDir)
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165 # -----------------------------------------------------------------------------
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166 # c a t P O ( ) -- Concatenate one or several PO files with the application domain files. --
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169 def catPO(applicationDirectoryPath, listOf_extraPo, applicationDomain=None, targetDir=None, verbose=0) :
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170 """Concatenate one or several PO files with the application domain files.
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173 if applicationDomain is None:
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174 applicationName = fileBaseOf(applicationDirectoryPath,withPath=0)
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176 applicationName = applicationDomain
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177 currentDir = os.getcwd()
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178 os.chdir(applicationDirectoryPath)
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180 languageDict = getlanguageDict()
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182 for langCode in languageDict.keys():
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183 if langCode == 'en':
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186 langPOfileName = "%s_%s.po" % (applicationName , langCode)
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187 if os.path.exists(langPOfileName):
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189 for fileName in listOf_extraPo:
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190 fileList += ("%s_%s.po " % (fileName,langCode))
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191 cmd = "msgcat -s --no-wrap %s %s > %s.cat" % (langPOfileName, fileList, langPOfileName)
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192 if verbose: print cmd
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194 if targetDir is None:
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197 mo_targetDir = "%s/%s/LC_MESSAGES" % (targetDir,langCode)
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198 cmd = "msgfmt --output-file=%s/%s.mo %s_%s.po.cat" % (mo_targetDir,applicationName,applicationName,langCode)
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199 if verbose: print cmd
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201 os.chdir(currentDir)
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203 # -----------------------------------------------------------------------------
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204 # m a k e M O ( ) -- Compile the Portable Object files into the Machine Object stored in the right location. --
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207 def makeMO(applicationDirectoryPath,targetDir='./locale',applicationDomain=None, verbose=0, forceEnglish=0) :
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208 """Compile the Portable Object files into the Machine Object stored in the right location.
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210 makeMO converts all translated language-specific PO files located inside
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211 the application directory into the binary .MO files stored inside the
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212 LC_MESSAGES sub-directory for the found locale files.
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214 makeMO searches for all files that have a name of the form 'app_xx.po'
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215 inside the application directory specified by the first argument. The
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216 'app' is the application domain name (that can be specified by the
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217 applicationDomain argument or is taken from the directory name). The 'xx'
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218 corresponds to one of the ISO 639 two-letter language codes.
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220 makeMo stores the resulting files inside a sub-directory of `targetDir`
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221 called xx/LC_MESSAGES where 'xx' corresponds to the 2-letter language
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224 if targetDir is None:
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225 targetDir = './locale'
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227 print "Target directory for .mo files is: %s" % targetDir
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229 if applicationDomain is None:
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230 applicationName = fileBaseOf(applicationDirectoryPath,withPath=0)
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232 applicationName = applicationDomain
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233 currentDir = os.getcwd()
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234 os.chdir(applicationDirectoryPath)
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236 languageDict = getlanguageDict()
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237 languageDict['en'] = 'zerzer'
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238 for langCode in languageDict.keys():
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240 if (langCode == 'en') and (forceEnglish==0):
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243 langPOfileName = "%s_%s.po" % (applicationName , langCode)
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244 if os.path.exists(langPOfileName):
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245 print "%s/%s/LC_MESSAGES" % (targetDir,langCode)
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246 mo_targetDir = "%s/%s/LC_MESSAGES" % (targetDir,langCode)
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247 if not os.path.exists(mo_targetDir):
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248 mkdir(mo_targetDir)
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249 cmd = 'msgfmt --output-file="%s/%s.mo" "%s_%s.po"' % (mo_targetDir,applicationName,applicationName,langCode)
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250 if verbose: print cmd
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252 os.chdir(currentDir)
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254 # -----------------------------------------------------------------------------
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255 # p r i n t U s a g e -- Displays how to use this script from the command line --
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256 # ^^^^^^^^^^^^^^^^^^^
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258 def printUsage(errorMsg=None) :
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259 """Displays how to use this script from the command line."""
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261 ##################################################################################
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262 # mki18n : Make internationalization files. #
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263 # Uses the GNU gettext system to create PO (Portable Object) files #
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264 # from source code, coimpile PO into MO (Machine Object) files. #
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265 # Supports C,C++,Python source files. #
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267 # Usage: mki18n {OPTION} [appDirPath] #
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270 # -e : When -m is used, forces English .mo file creation #
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271 # -h : prints this help #
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272 # -m : make MO from existing PO files #
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273 # -p : make PO, update PO files: Creates a new messages.pot #
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274 # file. Creates a dom_xx.po.new for every existing #
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275 # language specific .po file. ('xx' stands for the ISO639 #
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276 # two-letter language code and 'dom' stands for the #
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277 # application domain name). mki18n requires that you #
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278 # write a 'app.fil' file which contains the list of all #
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279 # source code to parse. #
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280 # -v : verbose (prints comments while running) #
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281 # --domain=appName : specifies the application domain name. By default #
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282 # the directory name is used. #
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283 # --moTarget=dir : specifies the directory where .mo files are stored. #
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284 # If not specified, the target is './locale' #
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286 # You must specify one of the -p or -m option to perform the work. You can #
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287 # specify the path of the target application. If you leave it out mki18n #
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288 # will use the current directory as the application main directory. #
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290 ##################################################################################"""
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292 print "\n ERROR: %s" % errorMsg
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294 # -----------------------------------------------------------------------------
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295 # f i l e B a s e O f ( ) -- Return base name of filename --
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296 # ^^^^^^^^^^^^^^^^^^^^^^^
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298 def fileBaseOf(filename,withPath=0) :
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299 """fileBaseOf(filename,withPath) ---> string
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301 Return base name of filename. The returned string never includes the extension.
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302 Use os.path.basename() to return the basename with the extension. The
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303 second argument is optional. If specified and if set to 'true' (non zero)
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304 the string returned contains the full path of the file name. Otherwise the
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308 >>> fn = 'd:/dev/telepath/tvapp/code/test.html'
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313 >>> fileBaseOf(fn,1)
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314 'd:/dev/telepath/tvapp/code/test'
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315 >>> fileBaseOf(fn,0)
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320 >>> fileBaseOf(fn,1)
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325 >>> fileBaseOf(fn,1)
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328 pos = filename.rfind('.')
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330 filename = filename[:pos]
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334 return os.path.basename(filename)
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335 # -----------------------------------------------------------------------------
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336 # m k d i r ( ) -- Create a directory (and possibly the entire tree) --
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339 def mkdir(directory) :
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340 """Create a directory (and possibly the entire tree).
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342 The os.mkdir() will fail to create a directory if one of the
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343 directory in the specified path does not exist. mkdir()
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344 solves this problem. It creates every intermediate directory
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345 required to create the final path. Under Unix, the function
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346 only supports forward slash separator, but under Windows and MacOS
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347 the function supports the forward slash and the OS separator (backslash
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351 # translate the path separators
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352 directory = unixpath(directory)
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353 # build a list of all directory elements
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354 aList = filter(lambda x: len(x)>0, directory.split('/'))
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355 theLen = len(aList)
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356 # if the first element is a Windows-style disk drive
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357 # concatenate it with the first directory
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358 if aList[0].endswith(':'):
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360 aList[1] = aList[0] + '/' + aList[1]
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363 # if the original directory starts at root,
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364 # make sure the first element of the list
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365 # starts at root too
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366 if directory[0] == '/':
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367 aList[0] = '/' + aList[0]
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368 # Now iterate through the list, check if the
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369 # directory exists and if not create it
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371 for i in range(theLen):
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373 if not os.path.exists(theDir):
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377 # -----------------------------------------------------------------------------
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378 # u n i x p a t h ( ) -- Return a path name that contains Unix separator. --
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379 # ^^^^^^^^^^^^^^^^^^^
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381 def unixpath(thePath) :
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382 r"""Return a path name that contains Unix separator.
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385 >>> unixpath(r"d:\test")
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387 >>> unixpath("d:/test/file.txt")
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391 thePath = os.path.normpath(thePath)
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395 return thePath.replace(os.sep,'/')
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397 # -----------------------------------------------------------------------------
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399 # 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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400 # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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402 if __name__ == "__main__":
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403 import getopt # command line parsing
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404 argc = len(sys.argv)
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406 printUsage('Missing argument: specify at least one of -m or -p (or both).')
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408 # If there is some arguments, parse the command line
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409 validOptions = "ehmpv"
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410 validLongOptions = ['domain=', 'moTarget=']
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412 option['forceEnglish'] = 0
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415 option['verbose'] = 0
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416 option['domain'] = None
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417 option['moTarget'] = None
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419 optionList,pargs = getopt.getopt(sys.argv[1:],validOptions,validLongOptions)
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420 except getopt.GetoptError, e:
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423 for (opt,val) in optionList:
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427 elif (opt == '-e'): option['forceEnglish'] = 1
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428 elif (opt == '-m'): option['mo'] = 1
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429 elif (opt == '-p'): option['po'] = 1
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430 elif (opt == '-v'): option['verbose'] = 1
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431 elif (opt == '--domain'): option['domain'] = val
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432 elif (opt == '--moTarget'): option['moTarget'] = val
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433 if len(pargs) == 0:
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434 appDirPath = os.getcwd()
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435 if option['verbose']:
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436 print "No project directory given. Using current one: %s" % appDirPath
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437 elif len(pargs) == 1:
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438 appDirPath = pargs[0]
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440 printUsage('Too many arguments (%u). Use double quotes if you have space in directory name' % len(pargs))
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442 if option['domain'] is None:
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443 # If no domain specified, use the name of the target directory
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444 option['domain'] = fileBaseOf(appDirPath)
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445 if option['verbose']:
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446 print "Application domain used is: '%s'" % option['domain']
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449 makePO(appDirPath,option['domain'],option['verbose'])
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451 printUsage(e[1] + '\n You must write a file app.fil that contains the list of all files to parse.')
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453 makeMO(appDirPath,option['moTarget'],option['domain'],option['verbose'],option['forceEnglish'])
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457 # -----------------------------------------------------------------------------
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