Support translations and add ES,FI,DE (#178)

* Support translations and add ES+FI
* Add de_DE translation (#179)
---------
Co-authored-by: Colin Marquardt <[email protected]>

Author: felix-hilden

contributing.rst

@@ -85,6 +85,18 @@ upload manually to `TestPyPI <https://test.pypi.org>`_ instead.
     $ twine upload --repository testpypi dist/*
     $ pip install --index-url https://test.pypi.org/simple/ sphinx-codeautolink
 
+Translations
+------------
+You are also welcome to contribute translations!
+Use the following Babel commands to add new translations and locales.
+
+.. code:: sh
+
+    $ cd src/sphinx_codeautolink
+    $ pybabel init --input-file=locale/sphinx-codeautolink.pot --domain=sphinx-codeautolink --output-dir=locale --locale=fi_FI
+    $ pybabel update --input-file=locale/sphinx-codeautolink.pot --domain=sphinx-codeautolink --output-dir=locale
+    $ pybabel compile --directory=locale --domain=sphinx-codeautolink
+
 .. |issue_resolution| image:: http://isitmaintained.com/badge/resolution/felix-hilden/sphinx-codeautolink.svg
    :target: https://isitmaintained.com/project/felix-hilden/sphinx-codeautolink
    :alt: issue resolution time

docs/src/release_notes.rst

@@ -10,6 +10,7 @@ sphinx-codeautolink adheres to
 
 Unreleased
 ----------
+- Add translations via i18n (:issue:`164`)
 - Fix attribute and call after walrus leading parser error (:issue:`174`)
 - Fix parsing error in doctest blocks with empty lines (:issue:`176`)
 - Improve error message on uncaught parsing errors (:issue:`177`)

src/sphinx_codeautolink/__init__.py

@@ -1,9 +1,12 @@
 """Sphinx extension for linking code examples to reference documentation."""
 
+from pathlib import Path
+
 from sphinx.application import Sphinx
 
 from .extension import SphinxCodeAutoLink, backref, directive
 from .extension.block import clean_ipython, clean_pycon
+from .extension.translation import MESSAGE_CATALOG_NAME
 
 __version__ = "0.17.0"
 
@@ -76,4 +79,8 @@ def setup(app: Sphinx):
     app.add_node(
         backref.SummaryNode, html=(backref.visit_summary, backref.depart_summary)
     )
+
+    locale_dir = Path(__file__).resolve().parent / "locale"
+    app.add_message_catalog(MESSAGE_CATALOG_NAME, locale_dir)
+
     return {"version": __version__, "env_version": 1, "parallel_read_safe": True}

src/sphinx_codeautolink/extension/backref.py

@@ -7,6 +7,7 @@
 from sphinx_codeautolink.warn import logger, warn_type
 
 from .directive import DeferredExamples
+from .translation import tr
 
 
 @dataclass
@@ -112,7 +113,7 @@ def unknown_visit(self, node) -> None:
             entry = nodes.entry()
             row += entry
             title = nodes.paragraph()
-            title += nodes.Text("References to ")
+            title += nodes.Text(tr("References to") + " ")
             title += orig_ref
             entry += title
 
@@ -132,7 +133,7 @@ def unknown_visit(self, node) -> None:
         if node.collapse:
             details = DetailsNode()
             summary = SummaryNode()
-            summary += nodes.Text("Expand for references to ")
+            summary += nodes.Text(tr("Expand for references to") + " ")
             summary += orig_ref
             details += summary
             details += table

src/sphinx_codeautolink/extension/translation.py

@@ -0,0 +1,6 @@
+"""Translation utilities."""
+
+from sphinx.locale import get_translation
+
+MESSAGE_CATALOG_NAME = "sphinx-codeautolink"
+tr = get_translation(MESSAGE_CATALOG_NAME)

src/sphinx_codeautolink/locale/de_DE/LC_MESSAGES/sphinx-codeautolink.mo

@@ -0,0 +1,25 @@
+# German (Germany) translations for sphinx-codeautolink.
+# Copyright (C) 2025 ORGANIZATION
+# This file is distributed under the same license as the sphinx-codeautolink project.
+# Colin Marquardt <[email protected]>, 2025.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: 1\n"
+"Report-Msgid-Bugs-To: [email protected]\n"
+"POT-Creation-Date: 2025-02-23 17:30+0200\n"
+"PO-Revision-Date: 2025-02-23 18:42+0100\n"
+"Last-Translator: Colin Marquardt <[email protected]>\n"
+"Language: de_DE\n"
+"Language-Team: Colin Marquardt <[email protected]>\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.17.0\n"
+
+msgid "References to"
+msgstr "Referenzen auf"
+
+msgid "Expand for references to"
+msgstr "Aufklappen für Referenzen auf"

src/sphinx_codeautolink/locale/de_DE/LC_MESSAGES/sphinx-codeautolink.po

@@ -0,0 +1,25 @@
+# Spanish (Spain) translations for sphinx-codeautolink.
+# Copyright (C) 2025 ORGANIZATION
+# This file is distributed under the same license as the sphinx-codeautolink project.
+# Felix Hildén <[email protected]>, 2025.
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: 1\n"
+"Report-Msgid-Bugs-To: [email protected]\n"
+"POT-Creation-Date: 2025-02-23 17:30+0200\n"
+"PO-Revision-Date: 2025-02-23 18:05+0200\n"
+"Last-Translator: Felix Hildén <[email protected]>\n"
+"Language: es_ES\n"
+"Language-Team: Felix Hildén <[email protected]>\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=utf-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Generated-By: Babel 2.17.0\n"
+
+msgid "References to"
+msgstr "Referencias a"
+
+msgid "Expand for references to"
+msgstr "Amplíe para referencias a"