Hide packages if phasing is being applied (#220)

Ubuntu uses a progress upgrade throughout hosts called phasing upgrades.
If a package needs to be upgraded but is marked as being delayed because
of phasing, it shouldn't be listed as the packages needing upgrades
since it's already being taken care of.

Signed-off-by: Gabriel Filion <[email protected]>

Author: Gabriel Filion

Diff for: apt_info.py

@@ -55,7 +55,7 @@ def _convert_candidates_to_upgrade_infos(candidates):
 
 def _write_pending_upgrades(registry, cache):
     candidates = {
-        p.candidate for p in cache if p.is_upgradable
+        p.candidate for p in cache if p.is_upgradable and not p.phasing_applied
     }
     upgrade_list = _convert_candidates_to_upgrade_infos(candidates)
 
@@ -69,7 +69,7 @@ def _write_pending_upgrades(registry, cache):
 def _write_held_upgrades(registry, cache):
     held_candidates = {
         p.candidate for p in cache
-        if p.is_upgradable and p._pkg.selected_state == apt_pkg.SELSTATE_HOLD
+        if p.is_upgradable and p._pkg.selected_state == apt_pkg.SELSTATE_HOLD and not p.phasing_applied
     }
     upgrade_list = _convert_candidates_to_upgrade_infos(held_candidates)