Use locale codes for language (#275)

* Map language code to locale

* Use UTF locales

* Fix wrong country code

Author: DavidMStraub

gramps_webapi/api/util.py

@@ -39,6 +39,7 @@
 from webargs.flaskparser import FlaskParser
 
 from ..auth.const import PERM_VIEW_PRIVATE
+from ..const import LOCALE_MAP
 from ..dbmanager import WebDbManager
 from .auth import has_permissions
 
@@ -139,7 +140,11 @@ def get_locale_for_language(language: str, default: bool = False) -> GrampsLocal
         catalog = GRAMPS_LOCALE.get_language_dict()
         for entry in catalog:
             if catalog[entry] == language:
-                return GrampsLocale(lang=language)
+                # translate language code (e.g. "da") to locale code (e.g. "da_DK")
+                locale_code = LOCALE_MAP.get(language, language)
+                if "UTF" not in locale_code.upper():
+                    locale_code = f"{locale_code}.UTF-8"
+                return GrampsLocale(lang=locale_code)
     if default:
         return GRAMPS_LOCALE
     return None

gramps_webapi/const.py

@@ -119,3 +119,40 @@
     REPORT_DEFAULTS = {
         CATEGORY_TEXT: "rtf",
     }
+
+
+# mapping Gramps language codes to locales that exist on a typical Unix system.
+LOCALE_MAP = {
+    "ar": "ar_EG",
+    "bg": "bg_BG",
+    "ca": "ca_ES",
+    "cs": "cs_CZ",
+    "da": "da_DK",
+    "de": "de_DE",
+    "el": "el_GR",
+    "en": "en_GB",
+    "es": "es_ES",
+    "fi": "fi_FI",
+    "fr": "fr_FR",
+    "he": "he_IL",
+    "hr": "hr_HR",
+    "hu": "hu_HU",
+    "is": "is_IS",
+    "it": "it_IT",
+    "ja": "ja_JP",
+    "lt": "lt_LT",
+    "nb": "nb_NO",
+    "nl": "nl_NL",
+    "nn": "nn_NO",
+    "pl": "pl_PL",
+    "ru": "ru_RU",
+    "sk": "sk_SK",
+    "sl": "sl_SI",
+    "sq": "sq_AL",
+    "sr": "sr_RS",
+    "sv": "sv_SE",
+    "ta": "ta_IN",
+    "tr": "tr_TR",
+    "uk": "uk_UA",
+    "vi": "vi_VN",
+}