<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang=""> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>django.utils.translation — Django 1.8.19 documentation</title> <link rel="stylesheet" href="../../../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../../../', VERSION: '1.8.19', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../../../_static/jquery.js"></script> <script type="text/javascript" src="../../../_static/underscore.js"></script> <script type="text/javascript" src="../../../_static/doctools.js"></script> <link rel="index" title="Index" href="../../../genindex.html" /> <link rel="search" title="Search" href="../../../search.html" /> <link rel="top" title="Django 1.8.19 documentation" href="../../../contents.html" /> <link rel="up" title="django" href="../../django.html" /> <script type="text/javascript" src="../../../templatebuiltins.js"></script> <script type="text/javascript"> (function($) { if (!django_template_builtins) { // templatebuiltins.js missing, do nothing. return; } $(document).ready(function() { // Hyperlink Django template tags and filters var base = "../../../ref/templates/builtins.html"; if (base == "#") { // Special case for builtins.html itself base = ""; } // Tags are keywords, class '.k' $("div.highlight\\-html\\+django span.k").each(function(i, elem) { var tagname = $(elem).text(); if ($.inArray(tagname, django_template_builtins.ttags) != -1) { var fragment = tagname.replace(/_/, '-'); $(elem).html("<a href='" + base + "#" + fragment + "'>" + tagname + "</a>"); } }); // Filters are functions, class '.nf' $("div.highlight\\-html\\+django 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code for django.utils.translation</h1><div class="highlight"><pre> <span></span><span class="sd">"""</span> <span class="sd">Internationalization support.</span> <span class="sd">"""</span> <span class="kn">from</span> <span class="nn">__future__</span> <span class="k">import</span> <span class="n">unicode_literals</span> <span class="kn">import</span> <span class="nn">re</span> <span class="kn">from</span> <span class="nn">django.utils.decorators</span> <span class="k">import</span> <span class="n">ContextDecorator</span> <span class="kn">from</span> <span class="nn">django.utils.encoding</span> <span class="k">import</span> <span class="n">force_text</span> <span class="kn">from</span> <span class="nn">django.utils.functional</span> <span class="k">import</span> <span class="n">lazy</span> <span class="kn">from</span> <span class="nn">django.utils</span> <span class="k">import</span> <span class="n">six</span> <span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span> <span class="s1">'activate'</span><span class="p">,</span> <span class="s1">'deactivate'</span><span class="p">,</span> <span class="s1">'override'</span><span class="p">,</span> <span class="s1">'deactivate_all'</span><span class="p">,</span> <span class="s1">'get_language'</span><span class="p">,</span> <span class="s1">'get_language_from_request'</span><span class="p">,</span> <span class="s1">'get_language_info'</span><span class="p">,</span> <span class="s1">'get_language_bidi'</span><span class="p">,</span> <span class="s1">'check_for_language'</span><span class="p">,</span> <span class="s1">'to_locale'</span><span class="p">,</span> <span class="s1">'templatize'</span><span class="p">,</span> <span class="s1">'string_concat'</span><span class="p">,</span> <span class="s1">'gettext'</span><span class="p">,</span> <span class="s1">'gettext_lazy'</span><span class="p">,</span> <span class="s1">'gettext_noop'</span><span class="p">,</span> <span class="s1">'ugettext'</span><span class="p">,</span> <span class="s1">'ugettext_lazy'</span><span class="p">,</span> <span class="s1">'ugettext_noop'</span><span class="p">,</span> <span class="s1">'ngettext'</span><span class="p">,</span> <span class="s1">'ngettext_lazy'</span><span class="p">,</span> <span class="s1">'ungettext'</span><span class="p">,</span> <span class="s1">'ungettext_lazy'</span><span class="p">,</span> <span class="s1">'pgettext'</span><span class="p">,</span> <span class="s1">'pgettext_lazy'</span><span class="p">,</span> <span class="s1">'npgettext'</span><span class="p">,</span> <span class="s1">'npgettext_lazy'</span><span class="p">,</span> <span class="s1">'LANGUAGE_SESSION_KEY'</span><span class="p">,</span> <span class="p">]</span> <span class="n">LANGUAGE_SESSION_KEY</span> <span class="o">=</span> <span class="s1">'_language'</span> <span class="k">class</span> <span class="nc">TranslatorCommentWarning</span><span class="p">(</span><span class="ne">SyntaxWarning</span><span class="p">):</span> <span class="k">pass</span> <span class="c1"># Here be dragons, so a short explanation of the logic won't hurt:</span> <span class="c1"># We are trying to solve two problems: (1) access settings, in particular</span> <span class="c1"># settings.USE_I18N, as late as possible, so that modules can be imported</span> <span class="c1"># without having to first configure Django, and (2) if some other code creates</span> <span class="c1"># a reference to one of these functions, don't break that reference when we</span> <span class="c1"># replace the functions with their real counterparts (once we do access the</span> <span class="c1"># settings).</span> <span class="k">class</span> <span class="nc">Trans</span><span class="p">(</span><span class="nb">object</span><span class="p">):</span> <span class="sd">"""</span> <span class="sd"> The purpose of this class is to store the actual translation function upon</span> <span class="sd"> receiving the first call to that function. After this is done, changes to</span> <span class="sd"> USE_I18N will have no effect to which function is served upon request. If</span> <span class="sd"> your tests rely on changing USE_I18N, you can delete all the functions</span> <span class="sd"> from _trans.__dict__.</span> <span class="sd"> Note that storing the function with setattr will have a noticeable</span> <span class="sd"> performance effect, as access to the function goes the normal path,</span> <span class="sd"> instead of using __getattr__.</span> <span class="sd"> """</span> <span class="k">def</span> <span class="nf">__getattr__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">real_name</span><span class="p">):</span> <span class="kn">from</span> <span class="nn">django.conf</span> <span class="k">import</span> <span class="n">settings</span> <span class="k">if</span> <span class="n">settings</span><span class="o">.</span><span class="n">USE_I18N</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">django.utils.translation</span> <span class="k">import</span> <span class="n">trans_real</span> <span class="k">as</span> <span class="n">trans</span> <span class="k">else</span><span class="p">:</span> <span class="kn">from</span> <span class="nn">django.utils.translation</span> <span class="k">import</span> <span class="n">trans_null</span> <span class="k">as</span> <span class="n">trans</span> <span class="nb">setattr</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">real_name</span><span class="p">,</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">trans</span><span class="p">,</span> <span class="n">real_name</span><span class="p">))</span> <span class="k">return</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">trans</span><span class="p">,</span> <span class="n">real_name</span><span class="p">)</span> <span class="n">_trans</span> <span class="o">=</span> <span class="n">Trans</span><span class="p">()</span> <span class="c1"># The Trans class is no more needed, so remove it from the namespace.</span> <span class="k">del</span> <span class="n">Trans</span> <div class="viewcode-block" id="gettext_noop"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.gettext_noop">[docs]</a><span class="k">def</span> <span class="nf">gettext_noop</span><span class="p">(</span><span class="n">message</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">gettext_noop</span><span class="p">(</span><span class="n">message</span><span class="p">)</span></div> <span class="n">ugettext_noop</span> <span class="o">=</span> <span class="n">gettext_noop</span> <div class="viewcode-block" id="gettext"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.gettext">[docs]</a><span class="k">def</span> <span class="nf">gettext</span><span class="p">(</span><span class="n">message</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">gettext</span><span class="p">(</span><span class="n">message</span><span class="p">)</span></div> <div class="viewcode-block" id="ngettext"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.ngettext">[docs]</a><span class="k">def</span> <span class="nf">ngettext</span><span class="p">(</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">ngettext</span><span class="p">(</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="p">)</span></div> <div class="viewcode-block" id="ugettext"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.ugettext">[docs]</a><span class="k">def</span> <span class="nf">ugettext</span><span class="p">(</span><span class="n">message</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">ugettext</span><span class="p">(</span><span class="n">message</span><span class="p">)</span></div> <div class="viewcode-block" id="ungettext"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.ungettext">[docs]</a><span class="k">def</span> <span class="nf">ungettext</span><span class="p">(</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">ungettext</span><span class="p">(</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="p">)</span></div> <div class="viewcode-block" id="pgettext"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.pgettext">[docs]</a><span class="k">def</span> <span class="nf">pgettext</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">message</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">pgettext</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">message</span><span class="p">)</span></div> <div class="viewcode-block" id="npgettext"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.npgettext">[docs]</a><span class="k">def</span> <span class="nf">npgettext</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">npgettext</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="p">)</span></div> <span class="n">gettext_lazy</span> <span class="o">=</span> <span class="n">lazy</span><span class="p">(</span><span class="n">gettext</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="n">ugettext_lazy</span> <span class="o">=</span> <span class="n">lazy</span><span class="p">(</span><span class="n">ugettext</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">text_type</span><span class="p">)</span> <span class="n">pgettext_lazy</span> <span class="o">=</span> <span class="n">lazy</span><span class="p">(</span><span class="n">pgettext</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">text_type</span><span class="p">)</span> <span class="k">def</span> <span class="nf">lazy_number</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">resultclass</span><span class="p">,</span> <span class="n">number</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">number</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">integer_types</span><span class="p">):</span> <span class="n">kwargs</span><span class="p">[</span><span class="s1">'number'</span><span class="p">]</span> <span class="o">=</span> <span class="n">number</span> <span class="n">proxy</span> <span class="o">=</span> <span class="n">lazy</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">resultclass</span><span class="p">)(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="n">original_kwargs</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> <span class="k">class</span> <span class="nc">NumberAwareString</span><span class="p">(</span><span class="n">resultclass</span><span class="p">):</span> <span class="k">def</span> <span class="nf">__mod__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">rhs</span><span class="p">):</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">rhs</span><span class="p">,</span> <span class="nb">dict</span><span class="p">)</span> <span class="ow">and</span> <span class="n">number</span><span class="p">:</span> <span class="k">try</span><span class="p">:</span> <span class="n">number_value</span> <span class="o">=</span> <span class="n">rhs</span><span class="p">[</span><span class="n">number</span><span class="p">]</span> <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">KeyError</span><span class="p">(</span><span class="s1">'Your dictionary lacks key </span><span class="se">\'</span><span class="si">%s</span><span class="se">\'</span><span class="s1">. '</span> <span class="s1">'Please provide it, because it is required to '</span> <span class="s1">'determine whether string is singular or plural.'</span> <span class="o">%</span> <span class="n">number</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="n">number_value</span> <span class="o">=</span> <span class="n">rhs</span> <span class="n">kwargs</span><span class="p">[</span><span class="s1">'number'</span><span class="p">]</span> <span class="o">=</span> <span class="n">number_value</span> <span class="n">translated</span> <span class="o">=</span> <span class="n">func</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> <span class="k">try</span><span class="p">:</span> <span class="n">translated</span> <span class="o">=</span> <span class="n">translated</span> <span class="o">%</span> <span class="n">rhs</span> <span class="k">except</span> <span class="ne">TypeError</span><span class="p">:</span> <span class="c1"># String doesn't contain a placeholder for the number</span> <span class="k">pass</span> <span class="k">return</span> <span class="n">translated</span> <span class="n">proxy</span> <span class="o">=</span> <span class="n">lazy</span><span class="p">(</span><span class="k">lambda</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">:</span> <span class="n">NumberAwareString</span><span class="p">(),</span> <span class="n">NumberAwareString</span><span class="p">)(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> <span class="n">proxy</span><span class="o">.</span><span class="n">__reduce__</span> <span class="o">=</span> <span class="k">lambda</span><span class="p">:</span> <span class="p">(</span><span class="n">_lazy_number_unpickle</span><span class="p">,</span> <span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">resultclass</span><span class="p">,</span> <span class="n">number</span><span class="p">,</span> <span class="n">original_kwargs</span><span class="p">))</span> <span class="k">return</span> <span class="n">proxy</span> <span class="k">def</span> <span class="nf">_lazy_number_unpickle</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">resultclass</span><span class="p">,</span> <span class="n">number</span><span class="p">,</span> <span class="n">kwargs</span><span class="p">):</span> <span class="k">return</span> <span class="n">lazy_number</span><span class="p">(</span><span class="n">func</span><span class="p">,</span> <span class="n">resultclass</span><span class="p">,</span> <span class="n">number</span><span class="o">=</span><span class="n">number</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> <div class="viewcode-block" id="ngettext_lazy"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.ngettext_lazy">[docs]</a><span class="k">def</span> <span class="nf">ngettext_lazy</span><span class="p">(</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="k">return</span> <span class="n">lazy_number</span><span class="p">(</span><span class="n">ngettext</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="n">singular</span><span class="o">=</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="o">=</span><span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="o">=</span><span class="n">number</span><span class="p">)</span></div> <div class="viewcode-block" id="ungettext_lazy"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.ungettext_lazy">[docs]</a><span class="k">def</span> <span class="nf">ungettext_lazy</span><span class="p">(</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="k">return</span> <span class="n">lazy_number</span><span class="p">(</span><span class="n">ungettext</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">text_type</span><span class="p">,</span> <span class="n">singular</span><span class="o">=</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="o">=</span><span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="o">=</span><span class="n">number</span><span class="p">)</span></div> <div class="viewcode-block" id="npgettext_lazy"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.npgettext_lazy">[docs]</a><span class="k">def</span> <span class="nf">npgettext_lazy</span><span class="p">(</span><span class="n">context</span><span class="p">,</span> <span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="k">return</span> <span class="n">lazy_number</span><span class="p">(</span><span class="n">npgettext</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">text_type</span><span class="p">,</span> <span class="n">context</span><span class="o">=</span><span class="n">context</span><span class="p">,</span> <span class="n">singular</span><span class="o">=</span><span class="n">singular</span><span class="p">,</span> <span class="n">plural</span><span class="o">=</span><span class="n">plural</span><span class="p">,</span> <span class="n">number</span><span class="o">=</span><span class="n">number</span><span class="p">)</span></div> <div class="viewcode-block" id="activate"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.activate">[docs]</a><span class="k">def</span> <span class="nf">activate</span><span class="p">(</span><span class="n">language</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">activate</span><span class="p">(</span><span class="n">language</span><span class="p">)</span></div> <div class="viewcode-block" id="deactivate"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.deactivate">[docs]</a><span class="k">def</span> <span class="nf">deactivate</span><span class="p">():</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">deactivate</span><span class="p">()</span></div> <div class="viewcode-block" id="override"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.override">[docs]</a><span class="k">class</span> <span class="nc">override</span><span class="p">(</span><span class="n">ContextDecorator</span><span class="p">):</span> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">language</span><span class="p">,</span> <span class="n">deactivate</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> <span class="bp">self</span><span class="o">.</span><span class="n">language</span> <span class="o">=</span> <span class="n">language</span> <span class="bp">self</span><span class="o">.</span><span class="n">deactivate</span> <span class="o">=</span> <span class="n">deactivate</span> <span class="k">def</span> <span class="nf">__enter__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span> <span class="bp">self</span><span class="o">.</span><span class="n">old_language</span> <span class="o">=</span> <span class="n">get_language</span><span class="p">()</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">language</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span> <span class="n">activate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">language</span><span class="p">)</span> <span class="k">else</span><span class="p">:</span> <span class="n">deactivate_all</span><span class="p">()</span> <span class="k">def</span> <span class="nf">__exit__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">exc_type</span><span class="p">,</span> <span class="n">exc_value</span><span class="p">,</span> <span class="n">traceback</span><span class="p">):</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">old_language</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> <span class="n">deactivate_all</span><span class="p">()</span> <span class="k">elif</span> <span class="bp">self</span><span class="o">.</span><span class="n">deactivate</span><span class="p">:</span> <span class="n">deactivate</span><span class="p">()</span> <span class="k">else</span><span class="p">:</span> <span class="n">activate</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">old_language</span><span class="p">)</span></div> <div class="viewcode-block" id="get_language"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.get_language">[docs]</a><span class="k">def</span> <span class="nf">get_language</span><span class="p">():</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">get_language</span><span class="p">()</span></div> <div class="viewcode-block" id="get_language_bidi"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.get_language_bidi">[docs]</a><span class="k">def</span> <span class="nf">get_language_bidi</span><span class="p">():</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">get_language_bidi</span><span class="p">()</span></div> <span class="k">def</span> <span class="nf">check_for_language</span><span class="p">(</span><span class="n">lang_code</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">check_for_language</span><span class="p">(</span><span class="n">lang_code</span><span class="p">)</span> <div class="viewcode-block" id="to_locale"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.to_locale">[docs]</a><span class="k">def</span> <span class="nf">to_locale</span><span class="p">(</span><span class="n">language</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">to_locale</span><span class="p">(</span><span class="n">language</span><span class="p">)</span></div> <div class="viewcode-block" id="get_language_from_request"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.get_language_from_request">[docs]</a><span class="k">def</span> <span class="nf">get_language_from_request</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">check_path</span><span class="o">=</span><span class="kc">False</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">get_language_from_request</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">check_path</span><span class="p">)</span></div> <span class="k">def</span> <span class="nf">get_language_from_path</span><span class="p">(</span><span class="n">path</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">get_language_from_path</span><span class="p">(</span><span class="n">path</span><span class="p">)</span> <div class="viewcode-block" id="templatize"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.templatize">[docs]</a><span class="k">def</span> <span class="nf">templatize</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">origin</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">templatize</span><span class="p">(</span><span class="n">src</span><span class="p">,</span> <span class="n">origin</span><span class="p">)</span></div> <div class="viewcode-block" id="deactivate_all"><a class="viewcode-back" href="../../../ref/utils.html#django.utils.translation.deactivate_all">[docs]</a><span class="k">def</span> <span class="nf">deactivate_all</span><span class="p">():</span> <span class="k">return</span> <span class="n">_trans</span><span class="o">.</span><span class="n">deactivate_all</span><span class="p">()</span></div> <span class="k">def</span> <span class="nf">_string_concat</span><span class="p">(</span><span class="o">*</span><span class="n">strings</span><span class="p">):</span> <span class="sd">"""</span> <span class="sd"> Lazy variant of string concatenation, needed for translations that are</span> <span class="sd"> constructed from multiple parts.</span> <span class="sd"> """</span> <span class="k">return</span> <span class="s1">''</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">force_text</span><span class="p">(</span><span class="n">s</span><span class="p">)</span> <span class="k">for</span> <span class="n">s</span> <span class="ow">in</span> <span class="n">strings</span><span class="p">)</span> <span class="n">string_concat</span> <span class="o">=</span> <span class="n">lazy</span><span class="p">(</span><span class="n">_string_concat</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">text_type</span><span class="p">)</span> <div class="viewcode-block" id="get_language_info"><a class="viewcode-back" href="../../../topics/i18n/translation.html#django.utils.translation.get_language_info">[docs]</a><span class="k">def</span> <span class="nf">get_language_info</span><span class="p">(</span><span class="n">lang_code</span><span class="p">):</span> <span class="kn">from</span> <span class="nn">django.conf.locale</span> <span class="k">import</span> <span class="n">LANG_INFO</span> <span class="k">try</span><span class="p">:</span> <span class="n">lang_info</span> <span class="o">=</span> <span class="n">LANG_INFO</span><span class="p">[</span><span class="n">lang_code</span><span class="p">]</span> <span class="k">if</span> <span class="s1">'fallback'</span> <span class="ow">in</span> <span class="n">lang_info</span> <span class="ow">and</span> <span class="s1">'name'</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">lang_info</span><span class="p">:</span> <span class="k">return</span> <span class="n">get_language_info</span><span class="p">(</span><span class="n">lang_info</span><span class="p">[</span><span class="s1">'fallback'</span><span class="p">][</span><span class="mi">0</span><span class="p">])</span> <span class="k">return</span> <span class="n">lang_info</span> <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span> <span class="k">if</span> <span class="s1">'-'</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">lang_code</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">KeyError</span><span class="p">(</span><span class="s2">"Unknown language code </span><span class="si">%s</span><span class="s2">."</span> <span class="o">%</span> <span class="n">lang_code</span><span class="p">)</span> <span class="n">generic_lang_code</span> <span class="o">=</span> <span class="n">lang_code</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">'-'</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span> <span class="k">try</span><span class="p">:</span> <span class="k">return</span> <span class="n">LANG_INFO</span><span class="p">[</span><span class="n">generic_lang_code</span><span class="p">]</span> <span class="k">except</span> <span class="ne">KeyError</span><span class="p">:</span> <span class="k">raise</span> <span class="ne">KeyError</span><span class="p">(</span><span class="s2">"Unknown language code </span><span class="si">%s</span><span class="s2"> and </span><span class="si">%s</span><span class="s2">."</span> <span class="o">%</span> <span class="p">(</span><span class="n">lang_code</span><span class="p">,</span> <span class="n">generic_lang_code</span><span class="p">))</span></div> <span class="n">trim_whitespace_re</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">compile</span><span class="p">(</span><span class="s1">'\s*</span><span class="se">\n</span><span class="s1">\s*'</span><span class="p">)</span> <span class="k">def</span> <span class="nf">trim_whitespace</span><span class="p">(</span><span class="n">s</span><span class="p">):</span> <span class="k">return</span> <span class="n">trim_whitespace_re</span><span class="o">.</span><span class="n">sub</span><span class="p">(</span><span class="s1">' '</span><span class="p">,</span> <span class="n">s</span><span class="o">.</span><span class="n">strip</span><span class="p">())</span> </pre></div> </div> </div> </div> <div class="yui-b" id="sidebar"> <div class="sphinxsidebar" role="navigation" aria-label="main navigation"> <div class="sphinxsidebarwrapper"> <h3>Browse</h3> <ul> </ul> <h3>You are here:</h3> <ul> <li> <a href="../../../index.html">Django 1.8.19 documentation</a> <ul><li><a href="../../index.html">Module code</a> <ul><li><a href="../../django.html">django</a> <ul><li>django.utils.translation</li></ul> </li></ul></li></ul> </li> </ul> <div id="searchbox" style="display: none" role="search"> <h3>Quick search</h3> <form class="search" action="../../../search.html" method="get"> <div><input type="text" name="q" /></div> <div><input type="submit" value="Go" /></div> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" 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