Handle non existing versions

2 files changed, 27 insertions, 4 deletions

diff --git a/portato/gui/dialogs.py b/portato/gui/dialogs.py
index edf34b7..8931535 100644
--- a/portato/gui/dialogs.py
+++ b/portato/gui/dialogs.py
@@ -113,3 +113,10 @@ def prereq_error_dialog (e):
     ret = dialog.run()
     dialog.destroy()
     return ret
+
+def no_versions_dialog (cp):
+    dialog = gtk.MessageDialog(None, gtk.DIALOG_MODAL, gtk.MESSAGE_WARNING, gtk.BUTTONS_OK, _("No versions of package '%s' found!") % cp)
+    ret = dialog.run()
+    dialog.destroy()
+    return ret
+
diff --git a/portato/gui/windows/main.py b/portato/gui/windows/main.py
index e51897f..472ddf0 100644
--- a/portato/gui/windows/main.py
+++ b/portato/gui/windows/main.py
@@ -28,7 +28,7 @@ from ...helper import debug, warning, error, info, unique_array
 from ...session import Session
 from ...db import Database
 from ...constants import CONFIG_LOCATION, VERSION, APP_ICON, ICON_DIR
-from ...backend.exceptions import PackageNotFoundException, BlockedException
+from ...backend.exceptions import PackageNotFoundException, BlockedException, VersionsNotFoundException
 
 # more GUI stuff
 from ..utils import Config, GtkThread, get_color
@@ -38,7 +38,8 @@ from ..wrapper import GtkTree, GtkConsole
 from ..views import LogView, HighlightView, InstalledOnlyView, LazyStoreView
 from ..dialogs import (blocked_dialog, changed_flags_dialog, io_ex_dialog,
         nothing_found_dialog, queue_not_empty_dialog, remove_deps_dialog,
-        remove_queue_dialog, remove_updates_dialog, unmask_dialog)
+        remove_queue_dialog, remove_updates_dialog, unmask_dialog,
+        no_versions_dialog)
 from ..exceptions import PreReqError
 
 # even more GUI stuff
@@ -745,7 +746,11 @@ class MainWindow (Window):
         store.clear()
 
         if name:
-            for cat, pkg, is_inst in self.db.get_cat(name, self.sortPkgListByName):
+            for cat, pkg, is_inst, disabled in self.db.get_cat(name, self.sortPkgListByName):
+                if disabled:
+                    warning(_("Package '%s/%s' is disabled."), cat, pkg)
+                    continue
+
                 if is_inst:
                     icon = self.icons["installed"]
                 elif not self.showAll:
@@ -806,6 +811,8 @@ class MainWindow (Window):
             self.slotcol.set_visible(False)
 
         packages = system.sort_package_list(system.find_packages(cp, masked=True))
+        if not packages:
+            raise VersionsNotFoundException(cp)
         
         # append versions
         for vers, inst, slot in ((x.get_version(), x.is_installed(), get_slot(x)) for x in packages):
@@ -1336,8 +1343,17 @@ class MainWindow (Window):
         """
         store, it = selection.get_selected()
         if it:
+            oldcp = self.selCP
+
             self.selCP = "%s/%s" % (store.get_value(it, 2), store.get_value(it, 1))
-            self.fill_version_list(self.selCP)
+            try:
+                self.fill_version_list(self.selCP)
+            except VersionsNotFoundException, e:
+                warning(_("No versions of package '%s' found!.") % self.selCP)
+                no_versions_dialog(self.selCP)
+                self.db.disable(self.selCP)
+                self.selCP = oldcp
+
         return True
 
     def cb_pkg_list_header_clicked(self, col):