read locale_support from source catalog and pass it to locale model

subiquity/models/locale.py

@@ -18,13 +18,14 @@ import logging
 log = logging.getLogger('subiquity.models.locale')
 
 
-class LocaleModel(object):
+class LocaleModel:
     """ Model representing locale selection
 
     XXX Only represents *language* selection for now.
     """
 
     selected_language = None
+    locale_support = "locale-only"
 
     def switch_language(self, code):
         self.selected_language = code

subiquity/models/source.py

@@ -33,6 +33,7 @@ class CatalogEntry:
     size: int
     type: str
     default: bool = False
+    locale_support: str = attr.ib(default="locale-only")
 
 
 fake_entries = {
@@ -44,7 +45,8 @@ fake_entries = {
         path='/media/filesystem',
         type='cp',
         default=True,
-        size=2 << 30),
+        size=2 << 30,
+        locale_support="locale-only"),
     'desktop': CatalogEntry(
         variant='desktop',
         id='synthesized',
@@ -53,7 +55,8 @@ fake_entries = {
         path='/media/filesystem',
         type='cp',
         default=True,
-        size=5 << 30),
+        size=5 << 30,
+        locale_support="langpack"),
     }
 
 

subiquity/server/controllers/locale.py

@@ -18,6 +18,7 @@ import os
 
 from subiquity.common.apidef import API
 from subiquity.server.controller import SubiquityController
+from subiquity.server.types import InstallerChannels
 
 
 log = logging.getLogger('subiquity.server.controllers.locale')
@@ -38,6 +39,12 @@ class LocaleController(SubiquityController):
         self.model.selected_language = os.environ.get("LANG") \
                 or self.autoinstall_default
         self.app.aio_loop.create_task(self.configured())
+        self.app.hub.subscribe(
+            (InstallerChannels.CONFIGURED, 'source'), self._set_source)
+
+    def _set_source(self):
+        current = self.app.base_model.source.current
+        self.model.locale_support = current.locale_support
 
     def serialize(self):
         return self.model.selected_language