regenerate caches after repo update

pisi/api.py

@@ -693,13 +693,13 @@ def update_repos(repos, force=False):
     pisi.db.historydb.HistoryDB().create_history("repoupdate")
     for repo in repos:
         __update_repo(repo, force)
-    pisi.db.flush_caches()
+    pisi.db.regenerate_caches()
 
 @locked
 def update_repo(repo, force=False):
     pisi.db.historydb.HistoryDB().create_history("repoupdate")
     __update_repo(repo, force)
-    pisi.db.flush_caches()
+    pisi.db.regenerate_caches()
 
 def __update_repo(repo, force=False):
     ctx.ui.info(_('* Updating repository: %s') % repo)

pisi/db/__init__.py

@@ -29,3 +29,10 @@ def update_caches():
                installdb.InstallDB(), groupdb.GroupDB()]:
         if db.is_initialized():
             db.cache_save()
+
+def regenerate_caches():
+    flush_caches()
+    # Invalidate and flush caches to re-generate them when needed
+    for db in [packagedb.PackageDB(), sourcedb.SourceDB(),
+               componentdb.ComponentDB(), groupdb.GroupDB()]:
+        db.cache_regenerate()

pisi/db/lazydb.py

@@ -68,6 +68,12 @@ class LazyDB(Singleton):
     def invalidate(self):
         self._delete()
 
+    def cache_regenerate(self):
+        try:
+            self.this_attr_does_not_exist()
+        except AttributeError:
+            pass
+
     def __init(self):
         if not self.cache_load():
             self.init()