Added XLIFF and Gettext PO export for all translations.

Fixes #810
Signed-off-by: Michal Čihař <michal@cihar.com>

docs/changes.rst

@@ -43,6 +43,7 @@ Released on ? 2015.
 * Added option to import components with duplicate name to import_project.
 * Improved support for translating PHP files
 * Added XLIFF export for dictionary.
+* Added XLIFF and Gettext PO export for all translations.
 
 weblate 2.4
 -----------

weblate/html/translation-download.html

 {% load i18n %}
 
 <li><a href="{% url 'download_translation' project=object.subproject.project.slug subproject=object.subproject.slug lang=object.language.code %}" title="{% trans "Download for an offline translation." %}">{% trans "Download source file" %}</a></li>
+<li><a href="{% url 'download_translation_format' project=object.subproject.project.slug subproject=object.subproject.slug lang=object.language.code format='xliff'%}" title="{% trans "Download for an offline translation." %}">{% trans "Download translation as XLIFF" %}</a></li>
+<li><a href="{% url 'download_translation_format' project=object.subproject.project.slug subproject=object.subproject.slug lang=object.language.code format='po'%}" title="{% trans "Download for an offline translation." %}">{% trans "Download translation as Gettext PO" %}</a></li>
 {% if object.supports_language_pack %}
 <li><a href="{% url 'download_language_pack' project=object.subproject.project.slug subproject=object.subproject.slug lang=object.language.code %}" title="{% trans "Download for using within an application." %}">{% trans "Download compiled translation" %}</a></li>
 {% endif %}

weblate/trans/exporters.py

@@ -22,6 +22,7 @@ from __future__ import unicode_literals
 
 from django.http import HttpResponse
 
+from translate.misc.multistring import multistring
 from translate.storage.po import pofile
 from translate.storage.xliff import xlifffile
 from translate.storage.tbx import tbxfile
@@ -70,6 +71,26 @@ class BaseExporter(object):
             unit.target = word.target
         self.storage.addunit(unit)
 
+    def add_unit(self, unit):
+        if unit.is_plural():
+            output = self.storage.UnitClass(
+                multistring(unit.get_source_plurals())
+            )
+            output.target = multistring(unit.get_target_plurals())
+        else:
+            output = self.storage.UnitClass(unit.source)
+            output.target = multistring(unit.target)
+        output.context = unit.context
+        for location in unit.location.split():
+            output.addlocation(unit.location)
+        output.addnote(unit.comment)
+        if hasattr(output, 'settypecomment'):
+            for flag in unit.flags.split(','):
+                output.settypecomment(flag)
+        if unit.fuzzy:
+            output.markfuzzy(True)
+        self.storage.addunit(output)
+
     def get_response(self, filetemplate='{project}-{language}.{extension}'):
         filename = filetemplate.format(
             project=self.project.slug,
@@ -108,6 +129,7 @@ class PoExporter(BaseExporter):
             project_id_version='%s (%s)' % (
                 self.language.name, self.project.name
             ),
+            plural_forms= self.language.get_plural_form(),
             language_team='%s <%s>' % (
                 self.language.name,
                 self.url,

weblate/trans/tests/test_files.py

@@ -373,6 +373,35 @@ class ExportTest(ViewTestCase):
             'attachment; filename=test-test-cs.po'
         )
 
+    def export_format(self, fmt):
+        kwargs = {'format': fmt}
+        kwargs.update(self.kw_translation)
+        return self.client.get(
+            reverse(
+                'download_translation_format',
+                kwargs=kwargs
+            )
+        )
+
+    def test_export_po(self):
+        response = self.export_format('po')
+        self.assertContains(
+            response, 'Orangutan has %d bananas'
+        )
+        self.assertContains(
+            response, '/projects/test/test/cs/'
+        )
+
+    def test_export_xliff(self):
+        response = self.export_format('xliff')
+        self.assertContains(
+            response, 'Orangutan has %d banana'
+        )
+
+    def test_export_invalid(self):
+        response = self.export_format('invalid')
+        self.assertEquals(response.status_code, 404)
+
     def test_language_pack(self):
         response = self.client.get(
             reverse(

weblate/trans/views/files.py

@@ -29,6 +29,8 @@ from django.contrib.auth.decorators import permission_required
 from django.views.decorators.http import require_POST
 from django.http import Http404
 
+from weblate.trans.site import get_site_url
+from weblate.trans.exporters import get_exporter
 from weblate.trans.util import report_error
 from weblate.trans.forms import get_upload_form
 from weblate.trans.views.helper import get_translation, import_message
@@ -37,6 +39,29 @@ from weblate.trans.permissions import (
 )
 
 
+def download_translation_format(request, project, subproject, lang, format):
+    obj = get_translation(request, project, subproject, lang)
+
+    try:
+        exporter = get_exporter(format)(
+            obj.subproject.project,
+            obj.language,
+            get_site_url(obj.get_absolute_url())
+        )
+    except KeyError:
+        raise Http404('File format not supported')
+
+    for unit in obj.unit_set.iterator():
+        exporter.add_unit(unit)
+
+    # Save to response
+    return exporter.get_response(
+        '{{project}}-{0}-{{language}}.{{extension}}'.format(
+            subproject
+        )
+    )
+
+
 def download_translation(request, project, subproject, lang):
     obj = get_translation(request, project, subproject, lang)
 

weblate/urls.py

@@ -189,6 +189,11 @@ urlpatterns = [
         weblate.trans.views.files.download_translation,
         name='download_translation',
     ),
+    url(
+        r'^download/' + TRANSLATION + '(?P<format>[a-z]+)/$',
+        weblate.trans.views.files.download_translation_format,
+        name='download_translation_format',
+    ),
     url(
         r'^language-pack/' + TRANSLATION + '$',
         weblate.trans.views.files.download_language_pack,