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<h1>Source code for django.views.i18n</h1><div class="highlight"><pre>
<span></span><span class="kn">import</span> <span class="nn">importlib</span>
<span class="kn">import</span> <span class="nn">itertools</span>
<span class="kn">import</span> <span class="nn">json</span>
<span class="kn">import</span> <span class="nn">os</span>
<span class="kn">import</span> <span class="nn">warnings</span>
<span class="kn">from</span> <span class="nn">django</span> <span class="k">import</span> <span class="n">http</span>
<span class="kn">from</span> <span class="nn">django.apps</span> <span class="k">import</span> <span class="n">apps</span>
<span class="kn">from</span> <span class="nn">django.conf</span> <span class="k">import</span> <span class="n">settings</span>
<span class="kn">from</span> <span class="nn">django.template</span> <span class="k">import</span> <span class="n">Context</span><span class="p">,</span> <span class="n">Engine</span>
<span class="kn">from</span> <span class="nn">django.urls</span> <span class="k">import</span> <span class="n">translate_url</span>
<span class="kn">from</span> <span class="nn">django.utils</span> <span class="k">import</span> <span class="n">six</span>
<span class="kn">from</span> <span class="nn">django.utils._os</span> <span class="k">import</span> <span class="n">upath</span>
<span class="kn">from</span> <span class="nn">django.utils.deprecation</span> <span class="k">import</span> <span class="n">RemovedInDjango20Warning</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.formats</span> <span class="k">import</span> <span class="n">get_format</span>
<span class="kn">from</span> <span class="nn">django.utils.http</span> <span class="k">import</span> <span class="n">is_safe_url</span><span class="p">,</span> <span class="n">urlunquote</span>
<span class="kn">from</span> <span class="nn">django.utils.translation</span> <span class="k">import</span> <span class="p">(</span>
<span class="n">LANGUAGE_SESSION_KEY</span><span class="p">,</span> <span class="n">check_for_language</span><span class="p">,</span> <span class="n">get_language</span><span class="p">,</span> <span class="n">to_locale</span><span class="p">,</span>
<span class="p">)</span>
<span class="kn">from</span> <span class="nn">django.utils.translation.trans_real</span> <span class="k">import</span> <span class="n">DjangoTranslation</span>
<span class="kn">from</span> <span class="nn">django.views.generic</span> <span class="k">import</span> <span class="n">View</span>
<span class="n">DEFAULT_PACKAGES</span> <span class="o">=</span> <span class="p">[</span><span class="s1">'django.conf'</span><span class="p">]</span>
<span class="n">LANGUAGE_QUERY_PARAMETER</span> <span class="o">=</span> <span class="s1">'language'</span>
<div class="viewcode-block" id="set_language"><a class="viewcode-back" href="../../../topics/i18n/translation.html#django.views.i18n.set_language">[docs]</a><span class="k">def</span> <span class="nf">set_language</span><span class="p">(</span><span class="n">request</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Redirect to a given url while setting the chosen language in the</span>
<span class="sd"> session or cookie. The url and the language code need to be</span>
<span class="sd"> specified in the request parameters.</span>
<span class="sd"> Since this view changes how the user will see the rest of the site, it must</span>
<span class="sd"> only be accessed as a POST request. If called as a GET request, it will</span>
<span class="sd"> redirect to the page in the request (the 'next' parameter) without changing</span>
<span class="sd"> any state.</span>
<span class="sd"> """</span>
<span class="nb">next</span> <span class="o">=</span> <span class="n">request</span><span class="o">.</span><span class="n">POST</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'next'</span><span class="p">,</span> <span class="n">request</span><span class="o">.</span><span class="n">GET</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'next'</span><span class="p">))</span>
<span class="k">if</span> <span class="p">((</span><span class="nb">next</span> <span class="ow">or</span> <span class="ow">not</span> <span class="n">request</span><span class="o">.</span><span class="n">is_ajax</span><span class="p">())</span> <span class="ow">and</span>
<span class="ow">not</span> <span class="n">is_safe_url</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="nb">next</span><span class="p">,</span> <span class="n">allowed_hosts</span><span class="o">=</span><span class="p">{</span><span class="n">request</span><span class="o">.</span><span class="n">get_host</span><span class="p">()},</span> <span class="n">require_https</span><span class="o">=</span><span class="n">request</span><span class="o">.</span><span class="n">is_secure</span><span class="p">())):</span>
<span class="nb">next</span> <span class="o">=</span> <span class="n">request</span><span class="o">.</span><span class="n">META</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'HTTP_REFERER'</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">next</span><span class="p">:</span>
<span class="nb">next</span> <span class="o">=</span> <span class="n">urlunquote</span><span class="p">(</span><span class="nb">next</span><span class="p">)</span> <span class="c1"># HTTP_REFERER may be encoded.</span>
<span class="k">if</span> <span class="ow">not</span> <span class="n">is_safe_url</span><span class="p">(</span><span class="n">url</span><span class="o">=</span><span class="nb">next</span><span class="p">,</span> <span class="n">allowed_hosts</span><span class="o">=</span><span class="p">{</span><span class="n">request</span><span class="o">.</span><span class="n">get_host</span><span class="p">()},</span> <span class="n">require_https</span><span class="o">=</span><span class="n">request</span><span class="o">.</span><span class="n">is_secure</span><span class="p">()):</span>
<span class="nb">next</span> <span class="o">=</span> <span class="s1">'/'</span>
<span class="n">response</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">HttpResponseRedirect</span><span class="p">(</span><span class="nb">next</span><span class="p">)</span> <span class="k">if</span> <span class="nb">next</span> <span class="k">else</span> <span class="n">http</span><span class="o">.</span><span class="n">HttpResponse</span><span class="p">(</span><span class="n">status</span><span class="o">=</span><span class="mi">204</span><span class="p">)</span>
<span class="k">if</span> <span class="n">request</span><span class="o">.</span><span class="n">method</span> <span class="o">==</span> <span class="s1">'POST'</span><span class="p">:</span>
<span class="n">lang_code</span> <span class="o">=</span> <span class="n">request</span><span class="o">.</span><span class="n">POST</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">LANGUAGE_QUERY_PARAMETER</span><span class="p">)</span>
<span class="k">if</span> <span class="n">lang_code</span> <span class="ow">and</span> <span class="n">check_for_language</span><span class="p">(</span><span class="n">lang_code</span><span class="p">):</span>
<span class="k">if</span> <span class="nb">next</span><span class="p">:</span>
<span class="n">next_trans</span> <span class="o">=</span> <span class="n">translate_url</span><span class="p">(</span><span class="nb">next</span><span class="p">,</span> <span class="n">lang_code</span><span class="p">)</span>
<span class="k">if</span> <span class="n">next_trans</span> <span class="o">!=</span> <span class="nb">next</span><span class="p">:</span>
<span class="n">response</span> <span class="o">=</span> <span class="n">http</span><span class="o">.</span><span class="n">HttpResponseRedirect</span><span class="p">(</span><span class="n">next_trans</span><span class="p">)</span>
<span class="k">if</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="s1">'session'</span><span class="p">):</span>
<span class="n">request</span><span class="o">.</span><span class="n">session</span><span class="p">[</span><span class="n">LANGUAGE_SESSION_KEY</span><span class="p">]</span> <span class="o">=</span> <span class="n">lang_code</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">response</span><span class="o">.</span><span class="n">set_cookie</span><span class="p">(</span>
<span class="n">settings</span><span class="o">.</span><span class="n">LANGUAGE_COOKIE_NAME</span><span class="p">,</span> <span class="n">lang_code</span><span class="p">,</span>
<span class="n">max_age</span><span class="o">=</span><span class="n">settings</span><span class="o">.</span><span class="n">LANGUAGE_COOKIE_AGE</span><span class="p">,</span>
<span class="n">path</span><span class="o">=</span><span class="n">settings</span><span class="o">.</span><span class="n">LANGUAGE_COOKIE_PATH</span><span class="p">,</span>
<span class="n">domain</span><span class="o">=</span><span class="n">settings</span><span class="o">.</span><span class="n">LANGUAGE_COOKIE_DOMAIN</span><span class="p">,</span>
<span class="p">)</span>
<span class="k">return</span> <span class="n">response</span></div>
<span class="k">def</span> <span class="nf">get_formats</span><span class="p">():</span>
<span class="sd">"""</span>
<span class="sd"> Returns all formats strings required for i18n to work</span>
<span class="sd"> """</span>
<span class="n">FORMAT_SETTINGS</span> <span class="o">=</span> <span class="p">(</span>
<span class="s1">'DATE_FORMAT'</span><span class="p">,</span> <span class="s1">'DATETIME_FORMAT'</span><span class="p">,</span> <span class="s1">'TIME_FORMAT'</span><span class="p">,</span>
<span class="s1">'YEAR_MONTH_FORMAT'</span><span class="p">,</span> <span class="s1">'MONTH_DAY_FORMAT'</span><span class="p">,</span> <span class="s1">'SHORT_DATE_FORMAT'</span><span class="p">,</span>
<span class="s1">'SHORT_DATETIME_FORMAT'</span><span class="p">,</span> <span class="s1">'FIRST_DAY_OF_WEEK'</span><span class="p">,</span> <span class="s1">'DECIMAL_SEPARATOR'</span><span class="p">,</span>
<span class="s1">'THOUSAND_SEPARATOR'</span><span class="p">,</span> <span class="s1">'NUMBER_GROUPING'</span><span class="p">,</span>
<span class="s1">'DATE_INPUT_FORMATS'</span><span class="p">,</span> <span class="s1">'TIME_INPUT_FORMATS'</span><span class="p">,</span> <span class="s1">'DATETIME_INPUT_FORMATS'</span>
<span class="p">)</span>
<span class="n">result</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">for</span> <span class="n">attr</span> <span class="ow">in</span> <span class="n">FORMAT_SETTINGS</span><span class="p">:</span>
<span class="n">result</span><span class="p">[</span><span class="n">attr</span><span class="p">]</span> <span class="o">=</span> <span class="n">get_format</span><span class="p">(</span><span class="n">attr</span><span class="p">)</span>
<span class="n">formats</span> <span class="o">=</span> <span class="p">{}</span>
<span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">result</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="p">(</span><span class="n">six</span><span class="o">.</span><span class="n">string_types</span><span class="p">,</span> <span class="nb">int</span><span class="p">)):</span>
<span class="n">formats</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="n">force_text</span><span class="p">(</span><span class="n">v</span><span class="p">)</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="p">(</span><span class="nb">tuple</span><span class="p">,</span> <span class="nb">list</span><span class="p">)):</span>
<span class="n">formats</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="n">force_text</span><span class="p">(</span><span class="n">value</span><span class="p">)</span> <span class="k">for</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">v</span><span class="p">]</span>
<span class="k">return</span> <span class="n">formats</span>
<span class="n">js_catalog_template</span> <span class="o">=</span> <span class="sa">r</span><span class="s2">"""</span>
<span class="s2">{% autoescape off %}</span>
<span class="s2">(function(globals) {</span>
<span class="s2"> var django = globals.django || (globals.django = </span><span class="si">{}</span><span class="s2">);</span>
<span class="s2"> {</span><span class="si">% i</span><span class="s2">f plural %}</span>
<span class="s2"> django.pluralidx = function(n) {</span>
<span class="s2"> var v={{ plural }};</span>
<span class="s2"> if (typeof(v) == 'boolean') {</span>
<span class="s2"> return v ? 1 : 0;</span>
<span class="s2"> } else {</span>
<span class="s2"> return v;</span>
<span class="s2"> }</span>
<span class="s2"> };</span>
<span class="s2"> {</span><span class="si">% e</span><span class="s2">lse %}</span>
<span class="s2"> django.pluralidx = function(count) { return (count == 1) ? 0 : 1; };</span>
<span class="s2"> {</span><span class="si">% e</span><span class="s2">ndif %}</span>
<span class="s2"> /* gettext library */</span>
<span class="s2"> django.catalog = django.catalog || </span><span class="si">{}</span><span class="s2">;</span>
<span class="s2"> {</span><span class="si">% i</span><span class="s2">f catalog_str %}</span>
<span class="s2"> var newcatalog = {{ catalog_str }};</span>
<span class="s2"> for (var key in newcatalog) {</span>
<span class="s2"> django.catalog[key] = newcatalog[key];</span>
<span class="s2"> }</span>
<span class="s2"> {</span><span class="si">% e</span><span class="s2">ndif %}</span>
<span class="s2"> if (!django.jsi18n_initialized) {</span>
<span class="s2"> django.gettext = function(msgid) {</span>
<span class="s2"> var value = django.catalog[msgid];</span>
<span class="s2"> if (typeof(value) == 'undefined') {</span>
<span class="s2"> return msgid;</span>
<span class="s2"> } else {</span>
<span class="s2"> return (typeof(value) == 'string') ? value : value[0];</span>
<span class="s2"> }</span>
<span class="s2"> };</span>
<span class="s2"> django.ngettext = function(singular, plural, count) {</span>
<span class="s2"> var value = django.catalog[singular];</span>
<span class="s2"> if (typeof(value) == 'undefined') {</span>
<span class="s2"> return (count == 1) ? singular : plural;</span>
<span class="s2"> } else {</span>
<span class="s2"> return value[django.pluralidx(count)];</span>
<span class="s2"> }</span>
<span class="s2"> };</span>
<span class="s2"> django.gettext_noop = function(msgid) { return msgid; };</span>
<span class="s2"> django.pgettext = function(context, msgid) {</span>
<span class="s2"> var value = django.gettext(context + '\x04' + msgid);</span>
<span class="s2"> if (value.indexOf('\x04') != -1) {</span>
<span class="s2"> value = msgid;</span>
<span class="s2"> }</span>
<span class="s2"> return value;</span>
<span class="s2"> };</span>
<span class="s2"> django.npgettext = function(context, singular, plural, count) {</span>
<span class="s2"> var value = django.ngettext(context + '\x04' + singular, context + '\x04' + plural, count);</span>
<span class="s2"> if (value.indexOf('\x04') != -1) {</span>
<span class="s2"> value = django.ngettext(singular, plural, count);</span>
<span class="s2"> }</span>
<span class="s2"> return value;</span>
<span class="s2"> };</span>
<span class="s2"> django.interpolate = function(fmt, obj, named) {</span>
<span class="s2"> if (named) {</span>
<span class="s2"> return fmt.replace(/%\(\w+\)s/g, function(match){return String(obj[match.slice(2,-2)])});</span>
<span class="s2"> } else {</span>
<span class="s2"> return fmt.replace(/</span><span class="si">%s</span><span class="s2">/g, function(match){return String(obj.shift())});</span>
<span class="s2"> }</span>
<span class="s2"> };</span>
<span class="s2"> /* formatting library */</span>
<span class="s2"> django.formats = {{ formats_str }};</span>
<span class="s2"> django.get_format = function(format_type) {</span>
<span class="s2"> var value = django.formats[format_type];</span>
<span class="s2"> if (typeof(value) == 'undefined') {</span>
<span class="s2"> return format_type;</span>
<span class="s2"> } else {</span>
<span class="s2"> return value;</span>
<span class="s2"> }</span>
<span class="s2"> };</span>
<span class="s2"> /* add to global namespace */</span>
<span class="s2"> globals.pluralidx = django.pluralidx;</span>
<span class="s2"> globals.gettext = django.gettext;</span>
<span class="s2"> globals.ngettext = django.ngettext;</span>
<span class="s2"> globals.gettext_noop = django.gettext_noop;</span>
<span class="s2"> globals.pgettext = django.pgettext;</span>
<span class="s2"> globals.npgettext = django.npgettext;</span>
<span class="s2"> globals.interpolate = django.interpolate;</span>
<span class="s2"> globals.get_format = django.get_format;</span>
<span class="s2"> django.jsi18n_initialized = true;</span>
<span class="s2"> }</span>
<span class="s2">}(this));</span>
<span class="s2">{</span><span class="si">% e</span><span class="s2">ndautoescape %}</span>
<span class="s2">"""</span>
<span class="k">def</span> <span class="nf">render_javascript_catalog</span><span class="p">(</span><span class="n">catalog</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">plural</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="n">template</span> <span class="o">=</span> <span class="n">Engine</span><span class="p">()</span><span class="o">.</span><span class="n">from_string</span><span class="p">(</span><span class="n">js_catalog_template</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">indent</span><span class="p">(</span><span class="n">s</span><span class="p">):</span>
<span class="k">return</span> <span class="n">s</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'</span><span class="se">\n</span><span class="s1">'</span><span class="p">,</span> <span class="s1">'</span><span class="se">\n</span><span class="s1"> '</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="s1">'catalog_str'</span><span class="p">:</span> <span class="n">indent</span><span class="p">(</span><span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span>
<span class="n">catalog</span><span class="p">,</span> <span class="n">sort_keys</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">indent</span><span class="o">=</span><span class="mi">2</span><span class="p">))</span> <span class="k">if</span> <span class="n">catalog</span> <span class="k">else</span> <span class="kc">None</span><span class="p">,</span>
<span class="s1">'formats_str'</span><span class="p">:</span> <span class="n">indent</span><span class="p">(</span><span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span>
<span class="n">get_formats</span><span class="p">(),</span> <span class="n">sort_keys</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">indent</span><span class="o">=</span><span class="mi">2</span><span class="p">)),</span>
<span class="s1">'plural'</span><span class="p">:</span> <span class="n">plural</span><span class="p">,</span>
<span class="p">})</span>
<span class="k">return</span> <span class="n">http</span><span class="o">.</span><span class="n">HttpResponse</span><span class="p">(</span><span class="n">template</span><span class="o">.</span><span class="n">render</span><span class="p">(</span><span class="n">context</span><span class="p">),</span> <span class="s1">'text/javascript'</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">get_javascript_catalog</span><span class="p">(</span><span class="n">locale</span><span class="p">,</span> <span class="n">domain</span><span class="p">,</span> <span class="n">packages</span><span class="p">):</span>
<span class="n">app_configs</span> <span class="o">=</span> <span class="n">apps</span><span class="o">.</span><span class="n">get_app_configs</span><span class="p">()</span>
<span class="n">allowable_packages</span> <span class="o">=</span> <span class="nb">set</span><span class="p">(</span><span class="n">app_config</span><span class="o">.</span><span class="n">name</span> <span class="k">for</span> <span class="n">app_config</span> <span class="ow">in</span> <span class="n">app_configs</span><span class="p">)</span>
<span class="n">allowable_packages</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">DEFAULT_PACKAGES</span><span class="p">)</span>
<span class="n">packages</span> <span class="o">=</span> <span class="p">[</span><span class="n">p</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">packages</span> <span class="k">if</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">allowable_packages</span><span class="p">]</span>
<span class="n">paths</span> <span class="o">=</span> <span class="p">[]</span>
<span class="c1"># paths of requested packages</span>
<span class="k">for</span> <span class="n">package</span> <span class="ow">in</span> <span class="n">packages</span><span class="p">:</span>
<span class="n">p</span> <span class="o">=</span> <span class="n">importlib</span><span class="o">.</span><span class="n">import_module</span><span class="p">(</span><span class="n">package</span><span class="p">)</span>
<span class="n">path</span> <span class="o">=</span> <span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">dirname</span><span class="p">(</span><span class="n">upath</span><span class="p">(</span><span class="n">p</span><span class="o">.</span><span class="vm">__file__</span><span class="p">)),</span> <span class="s1">'locale'</span><span class="p">)</span>
<span class="n">paths</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">path</span><span class="p">)</span>
<span class="n">trans</span> <span class="o">=</span> <span class="n">DjangoTranslation</span><span class="p">(</span><span class="n">locale</span><span class="p">,</span> <span class="n">domain</span><span class="o">=</span><span class="n">domain</span><span class="p">,</span> <span class="n">localedirs</span><span class="o">=</span><span class="n">paths</span><span class="p">)</span>
<span class="n">trans_cat</span> <span class="o">=</span> <span class="n">trans</span><span class="o">.</span><span class="n">_catalog</span>
<span class="n">plural</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="s1">''</span> <span class="ow">in</span> <span class="n">trans_cat</span><span class="p">:</span>
<span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="n">trans_cat</span><span class="p">[</span><span class="s1">''</span><span class="p">]</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">'</span><span class="se">\n</span><span class="s1">'</span><span class="p">):</span>
<span class="k">if</span> <span class="n">line</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s1">'Plural-Forms:'</span><span class="p">):</span>
<span class="n">plural</span> <span class="o">=</span> <span class="n">line</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">1</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
<span class="k">if</span> <span class="n">plural</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1"># this should actually be a compiled function of a typical plural-form:</span>
<span class="c1"># Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 :</span>
<span class="c1"># n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;</span>
<span class="n">plural</span> <span class="o">=</span> <span class="p">[</span><span class="n">el</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">el</span> <span class="ow">in</span> <span class="n">plural</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">';'</span><span class="p">)</span> <span class="k">if</span> <span class="n">el</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s1">'plural='</span><span class="p">)][</span><span class="mi">0</span><span class="p">]</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">1</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">pdict</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">maxcnts</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">catalog</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">trans_fallback_cat</span> <span class="o">=</span> <span class="n">trans</span><span class="o">.</span><span class="n">_fallback</span><span class="o">.</span><span class="n">_catalog</span> <span class="k">if</span> <span class="n">trans</span><span class="o">.</span><span class="n">_fallback</span> <span class="k">else</span> <span class="p">{}</span>
<span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">six</span><span class="o">.</span><span class="n">iteritems</span><span class="p">(</span><span class="n">trans_cat</span><span class="p">),</span> <span class="n">six</span><span class="o">.</span><span class="n">iteritems</span><span class="p">(</span><span class="n">trans_fallback_cat</span><span class="p">)):</span>
<span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="s1">''</span> <span class="ow">or</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">catalog</span><span class="p">:</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">string_types</span><span class="p">):</span>
<span class="n">catalog</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">):</span>
<span class="n">msgid</span> <span class="o">=</span> <span class="n">key</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">cnt</span> <span class="o">=</span> <span class="n">key</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">maxcnts</span><span class="p">[</span><span class="n">msgid</span><span class="p">]</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">cnt</span><span class="p">,</span> <span class="n">maxcnts</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">msgid</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
<span class="n">pdict</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">msgid</span><span class="p">,</span> <span class="p">{})[</span><span class="n">cnt</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
<span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">pdict</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="n">catalog</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="n">v</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">maxcnts</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)]</span>
<span class="k">return</span> <span class="n">catalog</span><span class="p">,</span> <span class="n">plural</span>
<span class="k">def</span> <span class="nf">_get_locale</span><span class="p">(</span><span class="n">request</span><span class="p">):</span>
<span class="n">language</span> <span class="o">=</span> <span class="n">request</span><span class="o">.</span><span class="n">GET</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">LANGUAGE_QUERY_PARAMETER</span><span class="p">)</span>
<span class="k">if</span> <span class="ow">not</span> <span class="p">(</span><span class="n">language</span> <span class="ow">and</span> <span class="n">check_for_language</span><span class="p">(</span><span class="n">language</span><span class="p">)):</span>
<span class="n">language</span> <span class="o">=</span> <span class="n">get_language</span><span class="p">()</span>
<span class="k">return</span> <span class="n">to_locale</span><span class="p">(</span><span class="n">language</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">_parse_packages</span><span class="p">(</span><span class="n">packages</span><span class="p">):</span>
<span class="k">if</span> <span class="n">packages</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span>
<span class="n">packages</span> <span class="o">=</span> <span class="nb">list</span><span class="p">(</span><span class="n">DEFAULT_PACKAGES</span><span class="p">)</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">packages</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">string_types</span><span class="p">):</span>
<span class="n">packages</span> <span class="o">=</span> <span class="n">packages</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">'+'</span><span class="p">)</span>
<span class="k">return</span> <span class="n">packages</span>
<span class="k">def</span> <span class="nf">null_javascript_catalog</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">domain</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">packages</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns "identity" versions of the JavaScript i18n functions -- i.e.,</span>
<span class="sd"> versions that don't actually do anything.</span>
<span class="sd"> """</span>
<span class="k">return</span> <span class="n">render_javascript_catalog</span><span class="p">()</span>
<div class="viewcode-block" id="javascript_catalog"><a class="viewcode-back" href="../../../topics/i18n/translation.html#django.views.i18n.javascript_catalog">[docs]</a><span class="k">def</span> <span class="nf">javascript_catalog</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">domain</span><span class="o">=</span><span class="s1">'djangojs'</span><span class="p">,</span> <span class="n">packages</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Returns the selected language catalog as a javascript library.</span>
<span class="sd"> Receives the list of packages to check for translations in the</span>
<span class="sd"> packages parameter either from an infodict or as a +-delimited</span>
<span class="sd"> string from the request. Default is 'django.conf'.</span>
<span class="sd"> Additionally you can override the gettext domain for this view,</span>
<span class="sd"> but usually you don't want to do that, as JavaScript messages</span>
<span class="sd"> go to the djangojs domain. But this might be needed if you</span>
<span class="sd"> deliver your JavaScript source from Django templates.</span>
<span class="sd"> """</span>
<span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span>
<span class="s2">"The javascript_catalog() view is deprecated in favor of the "</span>
<span class="s2">"JavaScriptCatalog view."</span><span class="p">,</span> <span class="n">RemovedInDjango20Warning</span><span class="p">,</span> <span class="n">stacklevel</span><span class="o">=</span><span class="mi">2</span>
<span class="p">)</span>
<span class="n">locale</span> <span class="o">=</span> <span class="n">_get_locale</span><span class="p">(</span><span class="n">request</span><span class="p">)</span>
<span class="n">packages</span> <span class="o">=</span> <span class="n">_parse_packages</span><span class="p">(</span><span class="n">packages</span><span class="p">)</span>
<span class="n">catalog</span><span class="p">,</span> <span class="n">plural</span> <span class="o">=</span> <span class="n">get_javascript_catalog</span><span class="p">(</span><span class="n">locale</span><span class="p">,</span> <span class="n">domain</span><span class="p">,</span> <span class="n">packages</span><span class="p">)</span>
<span class="k">return</span> <span class="n">render_javascript_catalog</span><span class="p">(</span><span class="n">catalog</span><span class="p">,</span> <span class="n">plural</span><span class="p">)</span></div>
<div class="viewcode-block" id="json_catalog"><a class="viewcode-back" href="../../../topics/i18n/translation.html#django.views.i18n.json_catalog">[docs]</a><span class="k">def</span> <span class="nf">json_catalog</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="n">domain</span><span class="o">=</span><span class="s1">'djangojs'</span><span class="p">,</span> <span class="n">packages</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Return the selected language catalog as a JSON object.</span>
<span class="sd"> Receives the same parameters as javascript_catalog(), but returns</span>
<span class="sd"> a response with a JSON object of the following format:</span>
<span class="sd"> {</span>
<span class="sd"> "catalog": {</span>
<span class="sd"> # Translations catalog</span>
<span class="sd"> },</span>
<span class="sd"> "formats": {</span>
<span class="sd"> # Language formats for date, time, etc.</span>
<span class="sd"> },</span>
<span class="sd"> "plural": '...' # Expression for plural forms, or null.</span>
<span class="sd"> }</span>
<span class="sd"> """</span>
<span class="n">warnings</span><span class="o">.</span><span class="n">warn</span><span class="p">(</span>
<span class="s2">"The json_catalog() view is deprecated in favor of the "</span>
<span class="s2">"JSONCatalog view."</span><span class="p">,</span> <span class="n">RemovedInDjango20Warning</span><span class="p">,</span> <span class="n">stacklevel</span><span class="o">=</span><span class="mi">2</span>
<span class="p">)</span>
<span class="n">locale</span> <span class="o">=</span> <span class="n">_get_locale</span><span class="p">(</span><span class="n">request</span><span class="p">)</span>
<span class="n">packages</span> <span class="o">=</span> <span class="n">_parse_packages</span><span class="p">(</span><span class="n">packages</span><span class="p">)</span>
<span class="n">catalog</span><span class="p">,</span> <span class="n">plural</span> <span class="o">=</span> <span class="n">get_javascript_catalog</span><span class="p">(</span><span class="n">locale</span><span class="p">,</span> <span class="n">domain</span><span class="p">,</span> <span class="n">packages</span><span class="p">)</span>
<span class="n">data</span> <span class="o">=</span> <span class="p">{</span>
<span class="s1">'catalog'</span><span class="p">:</span> <span class="n">catalog</span><span class="p">,</span>
<span class="s1">'formats'</span><span class="p">:</span> <span class="n">get_formats</span><span class="p">(),</span>
<span class="s1">'plural'</span><span class="p">:</span> <span class="n">plural</span><span class="p">,</span>
<span class="p">}</span>
<span class="k">return</span> <span class="n">http</span><span class="o">.</span><span class="n">JsonResponse</span><span class="p">(</span><span class="n">data</span><span class="p">)</span></div>
<div class="viewcode-block" id="JavaScriptCatalog"><a class="viewcode-back" href="../../../topics/i18n/translation.html#django.views.i18n.JavaScriptCatalog">[docs]</a><span class="k">class</span> <span class="nc">JavaScriptCatalog</span><span class="p">(</span><span class="n">View</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Return the selected language catalog as a JavaScript library.</span>
<span class="sd"> Receives the list of packages to check for translations in the `packages`</span>
<span class="sd"> kwarg either from the extra dictionary passed to the url() function or as a</span>
<span class="sd"> plus-sign delimited string from the request. Default is 'django.conf'.</span>
<span class="sd"> You can override the gettext domain for this view, but usually you don't</span>
<span class="sd"> want to do that as JavaScript messages go to the djangojs domain. This</span>
<span class="sd"> might be needed if you deliver your JavaScript source from Django templates.</span>
<span class="sd"> """</span>
<span class="n">domain</span> <span class="o">=</span> <span class="s1">'djangojs'</span>
<span class="n">packages</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">def</span> <span class="nf">get</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">request</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="n">locale</span> <span class="o">=</span> <span class="n">get_language</span><span class="p">()</span>
<span class="n">domain</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'domain'</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">domain</span><span class="p">)</span>
<span class="c1"># If packages are not provided, default to all installed packages, as</span>
<span class="c1"># DjangoTranslation without localedirs harvests them all.</span>
<span class="n">packages</span> <span class="o">=</span> <span class="n">kwargs</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s1">'packages'</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span>
<span class="n">packages</span> <span class="o">=</span> <span class="n">packages</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">'+'</span><span class="p">)</span> <span class="k">if</span> <span class="n">packages</span> <span class="k">else</span> <span class="bp">self</span><span class="o">.</span><span class="n">packages</span>
<span class="n">paths</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_paths</span><span class="p">(</span><span class="n">packages</span><span class="p">)</span> <span class="k">if</span> <span class="n">packages</span> <span class="k">else</span> <span class="kc">None</span>
<span class="bp">self</span><span class="o">.</span><span class="n">translation</span> <span class="o">=</span> <span class="n">DjangoTranslation</span><span class="p">(</span><span class="n">locale</span><span class="p">,</span> <span class="n">domain</span><span class="o">=</span><span class="n">domain</span><span class="p">,</span> <span class="n">localedirs</span><span class="o">=</span><span class="n">paths</span><span class="p">)</span>
<span class="n">context</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_context_data</span><span class="p">(</span><span class="o">**</span><span class="n">kwargs</span><span class="p">)</span>
<span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">render_to_response</span><span class="p">(</span><span class="n">context</span><span class="p">)</span>
<span class="k">def</span> <span class="nf">get_paths</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">packages</span><span class="p">):</span>
<span class="n">allowable_packages</span> <span class="o">=</span> <span class="nb">dict</span><span class="p">((</span><span class="n">app_config</span><span class="o">.</span><span class="n">name</span><span class="p">,</span> <span class="n">app_config</span><span class="p">)</span> <span class="k">for</span> <span class="n">app_config</span> <span class="ow">in</span> <span class="n">apps</span><span class="o">.</span><span class="n">get_app_configs</span><span class="p">())</span>
<span class="n">app_configs</span> <span class="o">=</span> <span class="p">[</span><span class="n">allowable_packages</span><span class="p">[</span><span class="n">p</span><span class="p">]</span> <span class="k">for</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">packages</span> <span class="k">if</span> <span class="n">p</span> <span class="ow">in</span> <span class="n">allowable_packages</span><span class="p">]</span>
<span class="c1"># paths of requested packages</span>
<span class="k">return</span> <span class="p">[</span><span class="n">os</span><span class="o">.</span><span class="n">path</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">app</span><span class="o">.</span><span class="n">path</span><span class="p">,</span> <span class="s1">'locale'</span><span class="p">)</span> <span class="k">for</span> <span class="n">app</span> <span class="ow">in</span> <span class="n">app_configs</span><span class="p">]</span>
<span class="k">def</span> <span class="nf">get_plural</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">plural</span> <span class="o">=</span> <span class="kc">None</span>
<span class="k">if</span> <span class="s1">''</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">translation</span><span class="o">.</span><span class="n">_catalog</span><span class="p">:</span>
<span class="k">for</span> <span class="n">line</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">translation</span><span class="o">.</span><span class="n">_catalog</span><span class="p">[</span><span class="s1">''</span><span class="p">]</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">'</span><span class="se">\n</span><span class="s1">'</span><span class="p">):</span>
<span class="k">if</span> <span class="n">line</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s1">'Plural-Forms:'</span><span class="p">):</span>
<span class="n">plural</span> <span class="o">=</span> <span class="n">line</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">1</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
<span class="k">if</span> <span class="n">plural</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
<span class="c1"># This should be a compiled function of a typical plural-form:</span>
<span class="c1"># Plural-Forms: nplurals=3; plural=n%10==1 && n%100!=11 ? 0 :</span>
<span class="c1"># n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;</span>
<span class="n">plural</span> <span class="o">=</span> <span class="p">[</span><span class="n">el</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">el</span> <span class="ow">in</span> <span class="n">plural</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s1">';'</span><span class="p">)</span> <span class="k">if</span> <span class="n">el</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span><span class="o">.</span><span class="n">startswith</span><span class="p">(</span><span class="s1">'plural='</span><span class="p">)][</span><span class="mi">0</span><span class="p">]</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">1</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">return</span> <span class="n">plural</span>
<span class="k">def</span> <span class="nf">get_catalog</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="n">pdict</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">maxcnts</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">catalog</span> <span class="o">=</span> <span class="p">{}</span>
<span class="n">trans_cat</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">translation</span><span class="o">.</span><span class="n">_catalog</span>
<span class="n">trans_fallback_cat</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">translation</span><span class="o">.</span><span class="n">_fallback</span><span class="o">.</span><span class="n">_catalog</span> <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">translation</span><span class="o">.</span><span class="n">_fallback</span> <span class="k">else</span> <span class="p">{}</span>
<span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">itertools</span><span class="o">.</span><span class="n">chain</span><span class="p">(</span><span class="n">six</span><span class="o">.</span><span class="n">iteritems</span><span class="p">(</span><span class="n">trans_cat</span><span class="p">),</span> <span class="n">six</span><span class="o">.</span><span class="n">iteritems</span><span class="p">(</span><span class="n">trans_fallback_cat</span><span class="p">)):</span>
<span class="k">if</span> <span class="n">key</span> <span class="o">==</span> <span class="s1">''</span> <span class="ow">or</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">catalog</span><span class="p">:</span>
<span class="k">continue</span>
<span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">six</span><span class="o">.</span><span class="n">string_types</span><span class="p">):</span>
<span class="n">catalog</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
<span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">):</span>
<span class="n">msgid</span> <span class="o">=</span> <span class="n">key</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">cnt</span> <span class="o">=</span> <span class="n">key</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">maxcnts</span><span class="p">[</span><span class="n">msgid</span><span class="p">]</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">cnt</span><span class="p">,</span> <span class="n">maxcnts</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">msgid</span><span class="p">,</span> <span class="mi">0</span><span class="p">))</span>
<span class="n">pdict</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">msgid</span><span class="p">,</span> <span class="p">{})[</span><span class="n">cnt</span><span class="p">]</span> <span class="o">=</span> <span class="n">value</span>
<span class="k">else</span><span class="p">:</span>
<span class="k">raise</span> <span class="ne">TypeError</span><span class="p">(</span><span class="n">key</span><span class="p">)</span>
<span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">pdict</span><span class="o">.</span><span class="n">items</span><span class="p">():</span>
<span class="n">catalog</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="n">v</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">maxcnts</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">+</span> <span class="mi">1</span><span class="p">)]</span>
<span class="k">return</span> <span class="n">catalog</span>
<span class="k">def</span> <span class="nf">get_context_data</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="p">{</span>
<span class="s1">'catalog'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_catalog</span><span class="p">(),</span>
<span class="s1">'formats'</span><span class="p">:</span> <span class="n">get_formats</span><span class="p">(),</span>
<span class="s1">'plural'</span><span class="p">:</span> <span class="bp">self</span><span class="o">.</span><span class="n">get_plural</span><span class="p">(),</span>
<span class="p">}</span>
<span class="k">def</span> <span class="nf">render_to_response</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">,</span> <span class="o">**</span><span class="n">response_kwargs</span><span class="p">):</span>
<span class="k">def</span> <span class="nf">indent</span><span class="p">(</span><span class="n">s</span><span class="p">):</span>
<span class="k">return</span> <span class="n">s</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">'</span><span class="se">\n</span><span class="s1">'</span><span class="p">,</span> <span class="s1">'</span><span class="se">\n</span><span class="s1"> '</span><span class="p">)</span>
<span class="n">template</span> <span class="o">=</span> <span class="n">Engine</span><span class="p">()</span><span class="o">.</span><span class="n">from_string</span><span class="p">(</span><span class="n">js_catalog_template</span><span class="p">)</span>
<span class="n">context</span><span class="p">[</span><span class="s1">'catalog_str'</span><span class="p">]</span> <span class="o">=</span> <span class="n">indent</span><span class="p">(</span>
<span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="n">context</span><span class="p">[</span><span class="s1">'catalog'</span><span class="p">],</span> <span class="n">sort_keys</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">indent</span><span class="o">=</span><span class="mi">2</span><span class="p">)</span>
<span class="p">)</span> <span class="k">if</span> <span class="n">context</span><span class="p">[</span><span class="s1">'catalog'</span><span class="p">]</span> <span class="k">else</span> <span class="kc">None</span>
<span class="n">context</span><span class="p">[</span><span class="s1">'formats_str'</span><span class="p">]</span> <span class="o">=</span> <span class="n">indent</span><span class="p">(</span><span class="n">json</span><span class="o">.</span><span class="n">dumps</span><span class="p">(</span><span class="n">context</span><span class="p">[</span><span class="s1">'formats'</span><span class="p">],</span> <span class="n">sort_keys</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">indent</span><span class="o">=</span><span class="mi">2</span><span class="p">))</span>
<span class="k">return</span> <span class="n">http</span><span class="o">.</span><span class="n">HttpResponse</span><span class="p">(</span><span class="n">template</span><span class="o">.</span><span class="n">render</span><span class="p">(</span><span class="n">Context</span><span class="p">(</span><span class="n">context</span><span class="p">)),</span> <span class="s1">'text/javascript'</span><span class="p">)</span></div>
<div class="viewcode-block" id="JSONCatalog"><a class="viewcode-back" href="../../../topics/i18n/translation.html#django.views.i18n.JSONCatalog">[docs]</a><span class="k">class</span> <span class="nc">JSONCatalog</span><span class="p">(</span><span class="n">JavaScriptCatalog</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Return the selected language catalog as a JSON object.</span>
<span class="sd"> Receives the same parameters as JavaScriptCatalog and returns a response</span>
<span class="sd"> with a JSON object of the following format:</span>
<span class="sd"> {</span>
<span class="sd"> "catalog": {</span>
<span class="sd"> # Translations catalog</span>
<span class="sd"> },</span>
<span class="sd"> "formats": {</span>
<span class="sd"> # Language formats for date, time, etc.</span>
<span class="sd"> },</span>
<span class="sd"> "plural": '...' # Expression for plural forms, or null.</span>
<span class="sd"> }</span>
<span class="sd"> """</span>
<span class="k">def</span> <span class="nf">render_to_response</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">context</span><span class="p">,</span> <span class="o">**</span><span class="n">response_kwargs</span><span class="p">):</span>
<span class="k">return</span> <span class="n">http</span><span class="o">.</span><span class="n">JsonResponse</span><span class="p">(</span><span class="n">context</span><span class="p">)</span></div>
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