Merge pull request #38 from plone/maurits/serbian-master

Support Cyrillic and Latin character sets for Serbian. [master]

news/326.feature

@@ -0,0 +1,3 @@
+Support Cyrillic and Latin character sets for Serbian.
+See `locales issue 326 <https://github.com/collective/plone.app.locales/issues/326>`_.
+[maurits, fredvd]

plone/i18n/locales/languages.py

@@ -3,6 +3,8 @@
 from plone.i18n.locales.interfaces import IMetadataLanguageAvailability
 from zope.interface import implementer
 
+import os
+
 
 @implementer(ILanguageAvailability)
 class LanguageAvailability:
@@ -460,6 +462,10 @@ class MetadataLanguageAvailability(LanguageAvailability):
         "flag": "/++resource++country-flags/al.gif",
     },
     "sr": {
+        # Note: we support two character sets for this language.
+        # See zope_i18n_allowed_languages below.
+        # TODO: in Plone 6.0 native should become 'Srpski',
+        # but that requires copying sr@Latn to sr in plone.app.locales.
         "native": "српски",
         "name": "Serbian",
         "flag": "/++resource++country-flags/cs.gif",
@@ -553,6 +559,23 @@ class MetadataLanguageAvailability(LanguageAvailability):
     },
 }
 
+# Character sets are a thing now.
+# See https://github.com/collective/plone.app.locales/issues/326
+# At the moment only for Serbian.
+_zope_i18n_allowed_languages = os.environ.get("zope_i18n_allowed_languages", "")
+if "sr@Latn" in _zope_i18n_allowed_languages:
+    _languagelist["sr"] = {
+        "native": "Srpski",
+        "name": "Serbian (Latin)",
+        "flag": "/++resource++country-flags/cs.gif",
+    }
+elif "sr@Cyrl" in _zope_i18n_allowed_languages:
+    _languagelist["sr"] = {
+        "native": "српски",
+        "name": "Serbian (Cyrillic)",
+        "flag": "/++resource++country-flags/cs.gif",
+    }
+
 # convert the utf-8 encoded values to unicode
 for code in _languagelist:
     value = _languagelist[code]