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annotate doc/setup.txt @ 316:c976934be834 stable-0.9.x

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Ported [349] to 0.9.x branch.
author cmlenz
date Fri, 01 Feb 2008 15:25:20 +0000
parents a6ffb18d0c39
children b1201cfc4190
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1 .. -*- mode: rst; encoding: utf-8 -*-
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2
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3 ================================
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4 Distutils/Setuptools Integration
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5 ================================
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6
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7 Babel provides commands for integration into ``setup.py`` scripts, based on
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8 either the ``distutils`` package that is part of the Python standard library,
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9 or the third-party ``setuptools`` package.
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10
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11 These commands are available by default when Babel has been properly installed,
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12 and ``setup.py`` is using ``setuptools``. For projects that use plain old
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13 ``distutils``, the commands need to be registered explicitly, for example:
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14
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15 .. code-block:: python
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16
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17 from distutils.core import setup
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18 from babel.messages import frontend as babel
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19
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20 setup(
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21 ...
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22 cmdclass = {'compile_catalog': babel.compile_catalog,
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23 'extract_messages': babel.extract_messages,
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24 'init_catalog': babel.init_catalog,
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25 'update_catalog': babel.update_catalog}
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26 )
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28
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29 .. contents:: Contents
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30 :depth: 2
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31 .. sectnum::
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33
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34 compile_catalog
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35 ===============
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36
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37 The ``compile_catalog`` command is similar to the GNU ``msgfmt`` tool, in that
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38 it takes a message catalog from a PO file and compiles it to a binary MO file.
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39
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40 If the command has been correctly installed or registered, a project's
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41 ``setup.py`` script should allow you to use the command::
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42
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43 $ ./setup.py compile_catalog --help
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44 Global options:
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45 --verbose (-v) run verbosely (default)
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46 --quiet (-q) run quietly (turns verbosity off)
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47 --dry-run (-n) don't actually do anything
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48 --help (-h) show detailed help message
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49
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50 Options for 'compile_catalog' command:
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51 ...
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52
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53 Running the command will produce a PO template file::
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54
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55 $ ./setup.py compile_catalog --directory foobar/locale --locale pt_BR
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56 running compile_catalog
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57 compiling catalog to to foobar/locale/pt_BR/LC_MESSAGES/messages.mo
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58
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59
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60 Options
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61 -------
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62
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63 The ``compile_catalog`` command accepts the following options:
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64
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65 +-----------------------------+----------------------------------------------+
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66 | Option | Description |
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67 +=============================+==============================================+
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68 | ``--domain`` | domain of the PO file (defaults to |
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69 | | lower-cased project name) |
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70 +-----------------------------+----------------------------------------------+
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71 | ``--directory`` (``-d``) | name of the base directory |
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72 +-----------------------------+----------------------------------------------+
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73 | ``--input-file`` (``-i``) | name of the input file |
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74 +-----------------------------+----------------------------------------------+
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75 | ``--output-file`` (``-o``) | name of the output file |
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76 +-----------------------------+----------------------------------------------+
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77 | ``--locale`` | locale for the new localized string |
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78 +-----------------------------+----------------------------------------------+
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79 | ``--use-fuzzy`` | also include "fuzzy" translations |
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80 +-----------------------------+----------------------------------------------+
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81
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82 If ``directory`` is specified, but ``output-file`` is not, the default filename
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83 of the output file will be::
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84
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85 <directory>/<locale>/LC_MESSAGES/<domain>.mo
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86
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87 If neither the ``input_file`` nor the ``locale`` option is set, this command
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88 looks for all catalog files in the base directory that match the given domain,
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89 and compiles each of them to MO files in the same directory.
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90
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91 These options can either be specified on the command-line, or in the
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92 ``setup.cfg`` file.
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93
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94
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95 extract_messages
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96 ================
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97
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98 The ``extract_messages`` command is comparable to the GNU ``xgettext`` program:
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99 it can extract localizable messages from a variety of difference source files,
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100 and generate a PO (portable object) template file from the collected messages.
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101
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102 If the command has been correctly installed or registered, a project's
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103 ``setup.py`` script should allow you to use the command::
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104
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105 $ ./setup.py extract_messages --help
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106 Global options:
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107 --verbose (-v) run verbosely (default)
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108 --quiet (-q) run quietly (turns verbosity off)
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109 --dry-run (-n) don't actually do anything
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110 --help (-h) show detailed help message
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111
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112 Options for 'extract_messages' command:
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113 ...
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114
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115 Running the command will produce a PO template file::
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116
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117 $ ./setup.py extract_messages --output-file foobar/locale/messages.pot
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118 running extract_messages
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119 extracting messages from foobar/__init__.py
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120 extracting messages from foobar/core.py
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121 ...
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122 writing PO template file to foobar/locale/messages.pot
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123
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124
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125 Method Mapping
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126 --------------
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127
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128 The mapping of file patterns to extraction methods (and options) can be
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129 specified using a configuration file that is pointed to using the
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130 ``--mapping-file`` option shown above. Alternatively, you can configure the
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131 mapping directly in ``setup.py`` using a keyword argument to the ``setup()``
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132 function:
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133
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134 .. code-block:: python
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135
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136 setup(...
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137
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138 message_extractors = {
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139 'foobar': [
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140 ('**.py', 'python', None),
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141 ('**/templates/**.html', 'genshi', None),
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142 ('**/templates/**.txt', 'genshi', {
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143 'template_class': 'genshi.template:TextTemplate'
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144 })
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145 ],
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146 },
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147
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148 ...
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149 )
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151
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152 Options
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153 -------
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154
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155 The ``extract_messages`` command accepts the following options:
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156
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157 +-----------------------------+----------------------------------------------+
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158 | Option | Description |
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159 +=============================+==============================================+
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160 | ``--charset`` | charset to use in the output file |
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161 +-----------------------------+----------------------------------------------+
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162 | ``--keywords`` (``-k``) | space-separated list of keywords to look for |
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163 | | in addition to the defaults |
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164 +-----------------------------+----------------------------------------------+
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165 | ``--no-default-keywords`` | do not include the default keywords |
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166 +-----------------------------+----------------------------------------------+
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167 | ``--mapping-file`` (``-F``) | path to the mapping configuration file |
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168 +-----------------------------+----------------------------------------------+
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169 | ``--no-location`` | do not include location comments with |
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170 | | filename and line number |
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171 +-----------------------------+----------------------------------------------+
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172 | ``--omit-header`` | do not include msgid "" entry in header |
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173 +-----------------------------+----------------------------------------------+
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174 | ``--output-file`` (``-o``) | name of the output file |
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175 +-----------------------------+----------------------------------------------+
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176 | ``--width`` (``-w``) | set output line width (default 76) |
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177 +-----------------------------+----------------------------------------------+
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178 | ``--no-wrap`` | do not break long message lines, longer than |
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179 | | the output line width, into several lines |
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180 +-----------------------------+----------------------------------------------+
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181 | ``--input-dirs`` | directories that should be scanned for |
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182 | | messages |
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183 +-----------------------------+----------------------------------------------+
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184 | ``--sort-output`` | generate sorted output (default False) |
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185 +-----------------------------+----------------------------------------------+
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186 | ``--sort-by-file`` | sort output by file location (default False) |
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187 +-----------------------------+----------------------------------------------+
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188 | ``--msgid-bugs-address`` | set email address for message bug reports |
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189 +-----------------------------+----------------------------------------------+
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190 | ``--copyright-holder`` | set copyright holder in output |
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191 +-----------------------------+----------------------------------------------+
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192 | ``--add-comments (-c)`` | place comment block with TAG (or those |
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193 | | preceding keyword lines) in output file. |
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194 | | Separate multiple TAGs with commas(,) |
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195 +-----------------------------+----------------------------------------------+
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196
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197 These options can either be specified on the command-line, or in the
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198 ``setup.cfg`` file. In the latter case, the options above become entries of the
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199 section ``[extract_messages]``, and the option names are changed to use
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200 underscore characters instead of dashes, for example:
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201
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202 .. code-block:: ini
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203
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204 [extract_messages]
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205 keywords = _, gettext, ngettext
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206 mapping_file = babel.cfg
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207 width = 80
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208
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209 This would be equivalent to invoking the command from the command-line as
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210 follows::
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211
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212 $ setup.py extract_messages -k _ -k gettext -k ngettext -F mapping.cfg -w 80
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213
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214 Any path names are interpreted relative to the location of the ``setup.py``
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215 file. For boolean options, use "true" or "false" values.
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216
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217
181
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218 init_catalog
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219 ============
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220
181
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221 The ``init_catalog`` command is basically equivalent to the GNU ``msginit``
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222 program: it creates a new translation catalog based on a PO template file (POT).
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223
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224 If the command has been correctly installed or registered, a project's
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225 ``setup.py`` script should allow you to use the command::
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226
181
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227 $ ./setup.py init_catalog --help
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228 Global options:
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229 --verbose (-v) run verbosely (default)
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230 --quiet (-q) run quietly (turns verbosity off)
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231 --dry-run (-n) don't actually do anything
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232 --help (-h) show detailed help message
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233
181
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234 Options for 'init_catalog' command:
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235 ...
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236
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237 Running the command will produce a PO file::
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238
181
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239 $ ./setup.py init_catalog -l fr -i foobar/locales/messages.pot \
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240 -o foobar/locales/fr/messages.po
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241 running init_catalog
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242 creating catalog 'foobar/locales/fr/messages.po' based on 'foobar/locales/messages.pot'
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243
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244
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245 Options
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246 -------
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247
181
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248 The ``init_catalog`` command accepts the following options:
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249
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250 +-----------------------------+----------------------------------------------+
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251 | Option | Description |
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252 +=============================+==============================================+
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253 | ``--domain`` | domain of the PO file (defaults to |
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254 | | lower-cased project name) |
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255 +-----------------------------+----------------------------------------------+
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256 | ``--input-file`` (``-i``) | name of the input file |
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257 +-----------------------------+----------------------------------------------+
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258 | ``--output-dir`` (``-d``) | name of the output directory |
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259 +-----------------------------+----------------------------------------------+
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260 | ``--output-file`` (``-o``) | name of the output file |
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261 +-----------------------------+----------------------------------------------+
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262 | ``--locale`` | locale for the new localized string |
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263 +-----------------------------+----------------------------------------------+
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264 | ``--omit-header`` | do not include msgid "" entry in header |
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265 +-----------------------------+----------------------------------------------+
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266 | ``--first-author`` | name of the first author |
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267 +-----------------------------+----------------------------------------------+
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268 | ``--first-author-email`` | email address of the first author |
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269 +-----------------------------+----------------------------------------------+
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270
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271 If ``output-dir`` is specified, but ``output-file`` is not, the default filename
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272 of the output file will be::
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273
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274 <output_dir>/<locale>/LC_MESSAGES/<domain>.po
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275
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276 These options can either be specified on the command-line, or in the
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277 ``setup.cfg`` file.
181
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278
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279
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280 update_catalog
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281 ==============
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282
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283 The ``update_catalog`` command is basically equivalent to the GNU ``msgmerge``
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284 program: it updates an existing translations catalog based on a PO template
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285 file (POT).
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286
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287 If the command has been correctly installed or registered, a project's
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288 ``setup.py`` script should allow you to use the command::
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289
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290 $ ./setup.py update_catalog --help
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291 Global options:
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292 --verbose (-v) run verbosely (default)
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293 --quiet (-q) run quietly (turns verbosity off)
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294 --dry-run (-n) don't actually do anything
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295 --help (-h) show detailed help message
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296
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297 Options for 'update_catalog' command:
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298 ...
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299
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300 Running the command will update a PO file::
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301
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302 $ ./setup.py update_catalog -l fr -i foobar/locales/messages.pot \
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303 -o foobar/locales/fr/messages.po
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304 running update_catalog
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305 updating catalog 'foobar/locales/fr/messages.po' based on 'foobar/locales/messages.pot'
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306
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307
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308 Options
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309 -------
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310
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311 The ``update_catalog`` command accepts the following options:
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312
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313 +-----------------------------+----------------------------------------------+
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314 | Option | Description |
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315 +=============================+==============================================+
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316 | ``--domain`` | domain of the PO file (defaults to |
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317 | | lower-cased project name) |
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318 +-----------------------------+----------------------------------------------+
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319 | ``--input-file`` (``-i``) | name of the input file |
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320 +-----------------------------+----------------------------------------------+
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321 | ``--output-dir`` (``-d``) | name of the output directory |
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322 +-----------------------------+----------------------------------------------+
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323 | ``--output-file`` (``-o``) | name of the output file |
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324 +-----------------------------+----------------------------------------------+
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325 | ``--locale`` | locale for the new localized string |
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326 +-----------------------------+----------------------------------------------+
191
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327 | ``--ignore-obsolete`` | do not include obsolete messages in the |
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328 | | output |
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329 +-----------------------------+----------------------------------------------+
181
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330
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331 If ``output-dir`` is specified, but ``output-file`` is not, the default filename
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332 of the output file will be::
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333
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334 <output_dir>/<locale>/LC_MESSAGES/<domain>.po
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335
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336 If neither the ``input_file`` nor the ``locale`` option is set, this command
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337 looks for all catalog files in the base directory that match the given domain,
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338 and updates each of them.
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339
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340 These options can either be specified on the command-line, or in the
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341 ``setup.cfg`` file.
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