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//usr/share/doc/python-babel-0.9.4/doc/setup.html
<!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="generator" content="Docutils 0.4: http://docutils.sourceforge.net/"> <title>Distutils/Setuptools Integration</title> <link rel="stylesheet" href="common/style/edgewall.css" type="text/css"> </head> <body> <div class="document" id="distutils-setuptools-integration"> <div id="navigation"> <span class="projinfo">Babel 0.9.4</span> <a href="index.html">Documentation Index</a> </div> <h1 class="title">Distutils/Setuptools Integration</h1> <p>Babel provides commands for integration into <tt class="docutils literal"><span class="pre">setup.py</span></tt> scripts, based on either the <tt class="docutils literal"><span class="pre">distutils</span></tt> package that is part of the Python standard library, or the third-party <tt class="docutils literal"><span class="pre">setuptools</span></tt> package.</p> <p>These commands are available by default when Babel has been properly installed, and <tt class="docutils literal"><span class="pre">setup.py</span></tt> is using <tt class="docutils literal"><span class="pre">setuptools</span></tt>. For projects that use plain old <tt class="docutils literal"><span class="pre">distutils</span></tt>, the commands need to be registered explicitly, for example:</p> <div class="highlight"><pre><span class="k">from</span> <span class="nn">distutils.core</span> <span class="k">import</span> <span class="n">setup</span> <span class="k">from</span> <span class="nn">babel.messages</span> <span class="k">import</span> <span class="n">frontend</span> <span class="k">as</span> <span class="n">babel</span> <span class="n">setup</span><span class="p">(</span> <span class="o">...</span> <span class="n">cmdclass</span> <span class="o">=</span> <span class="p">{</span><span class="s">'compile_catalog'</span><span class="p">:</span> <span class="n">babel</span><span class="o">.</span><span class="n">compile_catalog</span><span class="p">,</span> <span class="s">'extract_messages'</span><span class="p">:</span> <span class="n">babel</span><span class="o">.</span><span class="n">extract_messages</span><span class="p">,</span> <span class="s">'init_catalog'</span><span class="p">:</span> <span class="n">babel</span><span class="o">.</span><span class="n">init_catalog</span><span class="p">,</span> <span class="s">'update_catalog'</span><span class="p">:</span> <span class="n">babel</span><span class="o">.</span><span class="n">update_catalog</span><span class="p">}</span> <span class="p">)</span> </pre></div> <div class="contents topic"> <p class="topic-title first"><a id="contents" name="contents">Contents</a></p> <ul class="auto-toc simple"> <li><a class="reference" href="#compile-catalog" id="id4" name="id4">1 compile_catalog</a><ul class="auto-toc"> <li><a class="reference" href="#options" id="id5" name="id5">1.1 Options</a></li> </ul> </li> <li><a class="reference" href="#extract-messages" id="id6" name="id6">2 extract_messages</a><ul class="auto-toc"> <li><a class="reference" href="#method-mapping" id="id7" name="id7">2.1 Method Mapping</a></li> <li><a class="reference" href="#id1" id="id8" name="id8">2.2 Options</a></li> </ul> </li> <li><a class="reference" href="#init-catalog" id="id9" name="id9">3 init_catalog</a><ul class="auto-toc"> <li><a class="reference" href="#id2" id="id10" name="id10">3.1 Options</a></li> </ul> </li> <li><a class="reference" href="#update-catalog" id="id11" name="id11">4 update_catalog</a><ul class="auto-toc"> <li><a class="reference" href="#id3" id="id12" name="id12">4.1 Options</a></li> </ul> </li> </ul> </div> <div class="section"> <h1><a id="compile-catalog" name="compile-catalog">1 compile_catalog</a></h1> <p>The <tt class="docutils literal"><span class="pre">compile_catalog</span></tt> command is similar to the GNU <tt class="docutils literal"><span class="pre">msgfmt</span></tt> tool, in that it takes a message catalog from a PO file and compiles it to a binary MO file.</p> <p>If the command has been correctly installed or registered, a project's <tt class="docutils literal"><span class="pre">setup.py</span></tt> script should allow you to use the command:</p> <pre class="literal-block"> $ ./setup.py compile_catalog --help Global options: --verbose (-v) run verbosely (default) --quiet (-q) run quietly (turns verbosity off) --dry-run (-n) don't actually do anything --help (-h) show detailed help message Options for 'compile_catalog' command: ... </pre> <p>Running the command will produce a PO template file:</p> <pre class="literal-block"> $ ./setup.py compile_catalog --directory foobar/locale --locale pt_BR running compile_catalog compiling catalog to to foobar/locale/pt_BR/LC_MESSAGES/messages.mo </pre> <div class="section"> <h2><a id="options" name="options">1.1 Options</a></h2> <p>The <tt class="docutils literal"><span class="pre">compile_catalog</span></tt> command accepts the following options:</p> <blockquote> <table border="1" class="docutils"> <colgroup> <col width="39%"> <col width="61%"> </colgroup> <thead valign="bottom"> <tr><th class="head">Option</th> <th class="head">Description</th> </tr> </thead> <tbody valign="top"> <tr><td><tt class="docutils literal"><span class="pre">--domain</span></tt></td> <td>domain of the PO file (defaults to lower-cased project name)</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--directory</span></tt> (<tt class="docutils literal"><span class="pre">-d</span></tt>)</td> <td>name of the base directory</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--input-file</span></tt> (<tt class="docutils literal"><span class="pre">-i</span></tt>)</td> <td>name of the input file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--output-file</span></tt> (<tt class="docutils literal"><span class="pre">-o</span></tt>)</td> <td>name of the output file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--locale</span></tt> (<tt class="docutils literal"><span class="pre">-l</span></tt>)</td> <td>locale for the new localized string</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--use-fuzzy</span></tt> (<tt class="docutils literal"><span class="pre">-f</span></tt>)</td> <td>also include "fuzzy" translations</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--statistics</span></tt></td> <td>print statistics about translations</td> </tr> </tbody> </table> </blockquote> <p>If <tt class="docutils literal"><span class="pre">directory</span></tt> is specified, but <tt class="docutils literal"><span class="pre">output-file</span></tt> is not, the default filename of the output file will be:</p> <pre class="literal-block"> <directory>/<locale>/LC_MESSAGES/<domain>.mo </pre> <p>If neither the <tt class="docutils literal"><span class="pre">input_file</span></tt> nor the <tt class="docutils literal"><span class="pre">locale</span></tt> option is set, this command looks for all catalog files in the base directory that match the given domain, and compiles each of them to MO files in the same directory.</p> <p>These options can either be specified on the command-line, or in the <tt class="docutils literal"><span class="pre">setup.cfg</span></tt> file.</p> </div> </div> <div class="section"> <h1><a id="extract-messages" name="extract-messages">2 extract_messages</a></h1> <p>The <tt class="docutils literal"><span class="pre">extract_messages</span></tt> command is comparable to the GNU <tt class="docutils literal"><span class="pre">xgettext</span></tt> program: it can extract localizable messages from a variety of difference source files, and generate a PO (portable object) template file from the collected messages.</p> <p>If the command has been correctly installed or registered, a project's <tt class="docutils literal"><span class="pre">setup.py</span></tt> script should allow you to use the command:</p> <pre class="literal-block"> $ ./setup.py extract_messages --help Global options: --verbose (-v) run verbosely (default) --quiet (-q) run quietly (turns verbosity off) --dry-run (-n) don't actually do anything --help (-h) show detailed help message Options for 'extract_messages' command: ... </pre> <p>Running the command will produce a PO template file:</p> <pre class="literal-block"> $ ./setup.py extract_messages --output-file foobar/locale/messages.pot running extract_messages extracting messages from foobar/__init__.py extracting messages from foobar/core.py ... writing PO template file to foobar/locale/messages.pot </pre> <div class="section"> <h2><a id="method-mapping" name="method-mapping">2.1 Method Mapping</a></h2> <p>The mapping of file patterns to extraction methods (and options) can be specified using a configuration file that is pointed to using the <tt class="docutils literal"><span class="pre">--mapping-file</span></tt> option shown above. Alternatively, you can configure the mapping directly in <tt class="docutils literal"><span class="pre">setup.py</span></tt> using a keyword argument to the <tt class="docutils literal"><span class="pre">setup()</span></tt> function:</p> <div class="highlight"><pre><span class="n">setup</span><span class="p">(</span><span class="o">...</span> <span class="n">message_extractors</span> <span class="o">=</span> <span class="p">{</span> <span class="s">'foobar'</span><span class="p">:</span> <span class="p">[</span> <span class="p">(</span><span class="s">'**.py'</span><span class="p">,</span> <span class="s">'python'</span><span class="p">,</span> <span class="bp">None</span><span class="p">),</span> <span class="p">(</span><span class="s">'**/templates/**.html'</span><span class="p">,</span> <span class="s">'genshi'</span><span class="p">,</span> <span class="bp">None</span><span class="p">),</span> <span class="p">(</span><span class="s">'**/templates/**.txt'</span><span class="p">,</span> <span class="s">'genshi'</span><span class="p">,</span> <span class="p">{</span> <span class="s">'template_class'</span><span class="p">:</span> <span class="s">'genshi.template:TextTemplate'</span> <span class="p">})</span> <span class="p">],</span> <span class="p">},</span> <span class="o">...</span> <span class="p">)</span> </pre></div> </div> <div class="section"> <h2><a id="id1" name="id1">2.2 Options</a></h2> <p>The <tt class="docutils literal"><span class="pre">extract_messages</span></tt> command accepts the following options:</p> <blockquote> <table border="1" class="docutils"> <colgroup> <col width="39%"> <col width="61%"> </colgroup> <thead valign="bottom"> <tr><th class="head">Option</th> <th class="head">Description</th> </tr> </thead> <tbody valign="top"> <tr><td><tt class="docutils literal"><span class="pre">--charset</span></tt></td> <td>charset to use in the output file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--keywords</span></tt> (<tt class="docutils literal"><span class="pre">-k</span></tt>)</td> <td>space-separated list of keywords to look for in addition to the defaults</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--no-default-keywords</span></tt></td> <td>do not include the default keywords</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--mapping-file</span></tt> (<tt class="docutils literal"><span class="pre">-F</span></tt>)</td> <td>path to the mapping configuration file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--no-location</span></tt></td> <td>do not include location comments with filename and line number</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--omit-header</span></tt></td> <td>do not include msgid "" entry in header</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--output-file</span></tt> (<tt class="docutils literal"><span class="pre">-o</span></tt>)</td> <td>name of the output file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--width</span></tt> (<tt class="docutils literal"><span class="pre">-w</span></tt>)</td> <td>set output line width (default 76)</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--no-wrap</span></tt></td> <td>do not break long message lines, longer than the output line width, into several lines</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--input-dirs</span></tt></td> <td>directories that should be scanned for messages</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--sort-output</span></tt></td> <td>generate sorted output (default False)</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--sort-by-file</span></tt></td> <td>sort output by file location (default False)</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--msgid-bugs-address</span></tt></td> <td>set email address for message bug reports</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--copyright-holder</span></tt></td> <td>set copyright holder in output</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--add-comments</span> <span class="pre">(-c)</span></tt></td> <td>place comment block with TAG (or those preceding keyword lines) in output file. Separate multiple TAGs with commas(,)</td> </tr> </tbody> </table> </blockquote> <p>These options can either be specified on the command-line, or in the <tt class="docutils literal"><span class="pre">setup.cfg</span></tt> file. In the latter case, the options above become entries of the section <tt class="docutils literal"><span class="pre">[extract_messages]</span></tt>, and the option names are changed to use underscore characters instead of dashes, for example:</p> <div class="highlight"><pre><span class="k">[extract_messages]</span> <span class="na">keywords</span> <span class="o">=</span> <span class="s">_, gettext, ngettext</span> <span class="na">mapping_file</span> <span class="o">=</span> <span class="s">babel.cfg</span> <span class="na">width</span> <span class="o">=</span> <span class="s">80</span> </pre></div> <p>This would be equivalent to invoking the command from the command-line as follows:</p> <pre class="literal-block"> $ setup.py extract_messages -k _ -k gettext -k ngettext -F mapping.cfg -w 80 </pre> <p>Any path names are interpreted relative to the location of the <tt class="docutils literal"><span class="pre">setup.py</span></tt> file. For boolean options, use "true" or "false" values.</p> </div> </div> <div class="section"> <h1><a id="init-catalog" name="init-catalog">3 init_catalog</a></h1> <p>The <tt class="docutils literal"><span class="pre">init_catalog</span></tt> command is basically equivalent to the GNU <tt class="docutils literal"><span class="pre">msginit</span></tt> program: it creates a new translation catalog based on a PO template file (POT).</p> <p>If the command has been correctly installed or registered, a project's <tt class="docutils literal"><span class="pre">setup.py</span></tt> script should allow you to use the command:</p> <pre class="literal-block"> $ ./setup.py init_catalog --help Global options: --verbose (-v) run verbosely (default) --quiet (-q) run quietly (turns verbosity off) --dry-run (-n) don't actually do anything --help (-h) show detailed help message Options for 'init_catalog' command: ... </pre> <p>Running the command will produce a PO file:</p> <pre class="literal-block"> $ ./setup.py init_catalog -l fr -i foobar/locales/messages.pot \ -o foobar/locales/fr/messages.po running init_catalog creating catalog 'foobar/locales/fr/messages.po' based on 'foobar/locales/messages.pot' </pre> <div class="section"> <h2><a id="id2" name="id2">3.1 Options</a></h2> <p>The <tt class="docutils literal"><span class="pre">init_catalog</span></tt> command accepts the following options:</p> <blockquote> <table border="1" class="docutils"> <colgroup> <col width="39%"> <col width="61%"> </colgroup> <thead valign="bottom"> <tr><th class="head">Option</th> <th class="head">Description</th> </tr> </thead> <tbody valign="top"> <tr><td><tt class="docutils literal"><span class="pre">--domain</span></tt></td> <td>domain of the PO file (defaults to lower-cased project name)</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--input-file</span></tt> (<tt class="docutils literal"><span class="pre">-i</span></tt>)</td> <td>name of the input file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--output-dir</span></tt> (<tt class="docutils literal"><span class="pre">-d</span></tt>)</td> <td>name of the output directory</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--output-file</span></tt> (<tt class="docutils literal"><span class="pre">-o</span></tt>)</td> <td>name of the output file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--locale</span></tt></td> <td>locale for the new localized string</td> </tr> </tbody> </table> </blockquote> <p>If <tt class="docutils literal"><span class="pre">output-dir</span></tt> is specified, but <tt class="docutils literal"><span class="pre">output-file</span></tt> is not, the default filename of the output file will be:</p> <pre class="literal-block"> <output_dir>/<locale>/LC_MESSAGES/<domain>.po </pre> <p>These options can either be specified on the command-line, or in the <tt class="docutils literal"><span class="pre">setup.cfg</span></tt> file.</p> </div> </div> <div class="section"> <h1><a id="update-catalog" name="update-catalog">4 update_catalog</a></h1> <p>The <tt class="docutils literal"><span class="pre">update_catalog</span></tt> command is basically equivalent to the GNU <tt class="docutils literal"><span class="pre">msgmerge</span></tt> program: it updates an existing translations catalog based on a PO template file (POT).</p> <p>If the command has been correctly installed or registered, a project's <tt class="docutils literal"><span class="pre">setup.py</span></tt> script should allow you to use the command:</p> <pre class="literal-block"> $ ./setup.py update_catalog --help Global options: --verbose (-v) run verbosely (default) --quiet (-q) run quietly (turns verbosity off) --dry-run (-n) don't actually do anything --help (-h) show detailed help message Options for 'update_catalog' command: ... </pre> <p>Running the command will update a PO file:</p> <pre class="literal-block"> $ ./setup.py update_catalog -l fr -i foobar/locales/messages.pot \ -o foobar/locales/fr/messages.po running update_catalog updating catalog 'foobar/locales/fr/messages.po' based on 'foobar/locales/messages.pot' </pre> <div class="section"> <h2><a id="id3" name="id3">4.1 Options</a></h2> <p>The <tt class="docutils literal"><span class="pre">update_catalog</span></tt> command accepts the following options:</p> <blockquote> <table border="1" class="docutils"> <colgroup> <col width="50%"> <col width="50%"> </colgroup> <thead valign="bottom"> <tr><th class="head">Option</th> <th class="head">Description</th> </tr> </thead> <tbody valign="top"> <tr><td><tt class="docutils literal"><span class="pre">--domain</span></tt></td> <td>domain of the PO file (defaults to lower-cased project name)</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--input-file</span></tt> (<tt class="docutils literal"><span class="pre">-i</span></tt>)</td> <td>name of the input file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--output-dir</span></tt> (<tt class="docutils literal"><span class="pre">-d</span></tt>)</td> <td>name of the output directory</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--output-file</span></tt> (<tt class="docutils literal"><span class="pre">-o</span></tt>)</td> <td>name of the output file</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--locale</span></tt></td> <td>locale for the new localized string</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--ignore-obsolete</span></tt></td> <td>do not include obsolete messages in the output</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--no-fuzzy-matching</span></tt> (<tt class="docutils literal"><span class="pre">-N</span></tt>)</td> <td>do not use fuzzy matching</td> </tr> <tr><td><tt class="docutils literal"><span class="pre">--previous</span></tt></td> <td>keep previous msgids of translated messages</td> </tr> </tbody> </table> </blockquote> <p>If <tt class="docutils literal"><span class="pre">output-dir</span></tt> is specified, but <tt class="docutils literal"><span class="pre">output-file</span></tt> is not, the default filename of the output file will be:</p> <pre class="literal-block"> <output_dir>/<locale>/LC_MESSAGES/<domain>.po </pre> <p>If neither the <tt class="docutils literal"><span class="pre">input_file</span></tt> nor the <tt class="docutils literal"><span class="pre">locale</span></tt> option is set, this command looks for all catalog files in the base directory that match the given domain, and updates each of them.</p> <p>These options can either be specified on the command-line, or in the <tt class="docutils literal"><span class="pre">setup.cfg</span></tt> file.</p> </div> </div> <div id="footer"> Visit the Babel open source project at <a href="http://babel.edgewall.org/">http://babel.edgewall.org/</a> </div> </div> </body> </html>
