feat(readme_generator/i18n): use langcodes module to get a language name in itself

readme_generator/make_readme.py

@@ -12,6 +12,7 @@ import toml
 from jinja2 import Environment, FileSystemLoader
 from babel.support import Translations
 from babel.messages.pofile import PoFileParser
+from langcodes import Language
 
 README_GEN_DIR = Path(__file__).resolve().parent
 APPS_REPO_ROOT = README_GEN_DIR.parent.parent
@@ -154,6 +155,23 @@ def generate_READMEs(app_path: Path):
     for lang in fully_translated_langs:
         generate_single_README("_" + lang, lang)
 
+    links_to_other_READMEs = []
+    for language in fully_translated_langs:
+        translations = Translations.load("translations", [language])
+        language_name_in_itself = Language.get(language).autonym()
+        links_to_other_READMEs.append(
+            (
+                f"README_{language}.md",
+                translations.gettext("Read the README in %(language)s")
+                % {"language": language_name_in_itself},
+            )
+        )
+
+    out: str = env.get_template("ALL_README.md.j2").render(
+        links_to_other_READMEs=links_to_other_READMEs
+    )
+    (app_path / "ALL_README.md").write_text(out)
+
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(

readme_generator/requirements.txt

@@ -4,3 +4,5 @@ pyyaml
 toml
 websockets==10.0
 babel
+langcodes
+language_data

readme_generator/templates/ALL_README.md.j2

@@ -0,0 +1,13 @@
+# All available README files by language
+
+[Read the README in English](README.md)
+
+{% for filename, translated_sentence in links_to_other_READMEs %}
+* [{{ translated_sentence }}]({{ filename }})
+{% endfor %}
+
+{% if False %}
+Yes this is a hack to add the translatable string to messages.pot
+
+{{ _("Read the README in %(language)s") }}
+{% endif %}