make docfield translatable

sphinx/util/docfields.py

@@ -67,7 +67,9 @@ class Field(object):
             fieldname += nodes.Text(' ')
             fieldname += self.make_xref(self.rolename, domain,
                                         fieldarg, nodes.Text)
-        fieldbody = nodes.field_body('', nodes.paragraph('', '', *content))
+        par = nodes.paragraph()
+        par += content
+        fieldbody = nodes.field_body('', par)
         return nodes.field('', fieldname, fieldbody)
 
 
@@ -255,6 +257,11 @@ class DocFieldTransformer(object):
                                                [nodes.Text(argtype)]
                     fieldarg = argname
 
+            translatable_content = addnodes.translatable(fieldbody.rawsource)
+            translatable_content.source = fieldbody.parent.source
+            translatable_content.line = fieldbody.parent.line
+            translatable_content += content
+
             # grouped entries need to be collected in one entry, while others
             # get one entry per field
             if typedesc.is_grouped:
@@ -264,10 +271,11 @@ class DocFieldTransformer(object):
                     groupindices[typename] = len(entries)
                     group = [typedesc, []]
                     entries.append(group)
-                group[1].append(typedesc.make_entry(fieldarg, content))
+                entry = typedesc.make_entry(fieldarg, translatable_content)
+                group[1].append(entry)
             else:
-                entries.append([typedesc,
-                                typedesc.make_entry(fieldarg, content)])
+                entry = typedesc.make_entry(fieldarg, translatable_content)
+                entries.append([typedesc, entry])
 
         # step 2: all entries are collected, construct the new field list
         new_list = nodes.field_list()

tests/root/i18n/docfields.po

@@ -0,0 +1,39 @@
+# SOME DESCRIPTIVE TITLE.
+# Copyright (C) 2010, Georg Brandl & Team
+# This file is distributed under the same license as the Sphinx <Tests> package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
+#
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: Sphinx <Tests> 0.6\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2012-12-16 14:11\n"
+"PO-Revision-Date: 2012-12-18 06:14+0900\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+
+msgid "i18n with docfields"
+msgstr "I18N WITH DOCFIELDS"
+
+msgid "description of parameter param"
+msgstr "DESCRIPTION OF PARAMETER param"
+
+msgid "description of parameter foo"
+msgstr "DESCRIPTION OF PARAMETER foo"
+
+msgid "description of parameter bar"
+msgstr "DESCRIPTION OF PARAMETER bar"
+
+msgid "if the values are not valid"
+msgstr "IF THE VALUES ARE NOT VALID"
+
+msgid "if the values are out of range"
+msgstr "IF THE VALUES ARE OUT OF RANGE"
+
+msgid "a new :class:`Cls3` instance"
+msgstr "A NEW :class:`Cls3` INSTANCE"
+

tests/root/i18n/docfields.txt

@@ -0,0 +1,46 @@
+:tocdepth: 2
+
+i18n with docfields
+===================
+
+.. single TypedField
+
+.. class:: Cls1
+   :noindex:
+
+   :param param: description of parameter param
+
+.. grouped TypedFields
+
+.. class:: Cls2
+   :noindex:
+
+   :param foo: description of parameter foo
+   :param bar: description of parameter bar
+
+
+.. single GroupedField
+
+.. class:: Cls3(values)
+   :noindex:
+
+   :raises ValueError: if the values are out of range
+
+.. grouped GroupedFields
+
+.. class:: Cls4(values)
+   :noindex:
+
+   :raises TypeError: if the values are not valid
+   :raises ValueError: if the values are out of range
+
+
+.. single Field
+
+.. class:: Cls5
+   :noindex:
+
+   :returns: a new :class:`Cls3` instance
+
+.. Field is never grouped
+

tests/root/i18n/index.txt

@@ -6,3 +6,4 @@
    external_links
    refs_inconsistency
    literalblock
+   docfields

tests/test_intl.py

@@ -206,3 +206,40 @@ def test_i18n_literalblock_warning(app):
     expected_warning_expr = u'.*/i18n/literalblock.txt:\\d+: ' \
             u'WARNING: Literal block expected; none found.'
     assert re.search(expected_warning_expr, warnings)
+
+
+@with_app(buildername='text', cleanenv=True,
+          confoverrides={'language': 'xx', 'locale_dirs': ['.'],
+                         'gettext_compact': False})
+def test_i18n_docfields(app):
+    app.builder.build(['i18n/docfields'])
+    result = (app.outdir / 'i18n' / 'docfields.txt').text(encoding='utf-8')
+    expect = (u"\nI18N WITH DOCFIELDS"
+              u"\n*******************\n"
+              u"\nclass class Cls1\n"
+              u"\n   Parameters:"
+              u"\n      **param** -- DESCRIPTION OF PARAMETER param\n"
+              u"\nclass class Cls2\n"
+              u"\n   Parameters:"
+              u"\n      * **foo** -- DESCRIPTION OF PARAMETER foo\n"
+              u"\n      * **bar** -- DESCRIPTION OF PARAMETER bar\n"
+              u"\nclass class Cls3(values)\n"
+              u"\n   Raises ValueError:"
+              u"\n      IF THE VALUES ARE OUT OF RANGE\n"
+              u"\nclass class Cls4(values)\n"
+              u"\n   Raises:"
+              u"\n      * **TypeError** -- IF THE VALUES ARE NOT VALID\n"
+              u"\n      * **ValueError** -- IF THE VALUES ARE OUT OF RANGE\n"
+              u"\nclass class Cls5\n"
+              u"\n   Returns:"
+              u'\n      A NEW "Cls3" INSTANCE\n')
+    assert result == expect
+
+
+@with_app(buildername='html', cleanenv=True,
+          confoverrides={'language': 'xx', 'locale_dirs': ['.'],
+                         'gettext_compact': False})
+def test_i18n_docfields_html(app):
+    app.builder.build(['i18n/docfields'])
+    result = (app.outdir / 'i18n' / 'docfields.html').text(encoding='utf-8')
+    # expect no error by build