specfile: Refactor get_update_actions to simplify its usage

pisi/api.py

@@ -608,7 +608,7 @@ def get_package_requirements(packages):
         version, release, build = installdb.get_version(i_pkg)
         pkg_actions = pkg.get_update_actions(release)
 
-        for action_name, action_package in pkg_actions:
+        for action_name in pkg_actions:
             if action_name in actions:
                 requirements[action_name].append(pkg.name)
 

pisi/atomicoperations.py

@@ -531,12 +531,11 @@ class Install(AtomicOperation):
         else:
             actions = self.pkginfo.get_update_actions("1")
 
-        for action_name, action_package in actions:
-            package_name = action_package or self.pkginfo.name
-            if action_name == "serviceRestart":
-                pisi.api.add_needs_restart(package_name)
-            elif action_name == "systemRestart":
-                pisi.api.add_needs_reboot(package_name)
+        for package_name in actions.get("serviceRestart", []):
+            pisi.api.add_needs_restart(package_name)
+
+        for package_name in actions.get("systemRestart", []):
+            pisi.api.add_needs_reboot(package_name)
 
         # filesdb
         self.filesdb.add_files(self.metadata.package.name, self.files)

pisi/operations/upgrade.py

@@ -41,9 +41,10 @@ def check_update_actions(packages):
         version, release, build = installdb.get_version(package)
         pkg_actions = pkg.get_update_actions(release)
 
-        for action_name, action_target in pkg_actions:
+        for action_name, action_targets in pkg_actions.items():
             item = actions.setdefault(action_name, [])
-            item.append((package, action_target))
+            for action_target in action_targets:
+                item.append((package, action_target))
 
     has_actions = False
 
@@ -284,9 +285,9 @@ def plan_upgrade(A, force_replaced=True, replaces=None):
         version, release, build = installdb.get_version(pkg.name)
         actions = pkg.get_update_actions(release)
 
-        for action_name, action_package in actions:
-            if action_name == "reverseDependencyUpdate":
-                target_package = action_package or pkg.name
+        packages = actions.get("reverseDependencyUpdate")
+        if packages:
+            for target_package in packages:
                 for name, dep in installdb.get_rev_deps(target_package):
                     if name in G_f.vertices() or not is_upgradable(name):
                         continue

pisi/specfile.py

@@ -325,17 +325,21 @@ class Package:
 
         return False
 
-    def get_update_actions(self, old_release):
+    def get_update_actions(self, old_release=None):
         """Returns update actions for the releases greater than old_release.
 
         @type  old_release: string
         @param old_release: The release of the installed package.
 
-        @rtype:  set of tuples
-        @return: A set of (action name, target package) tuples.
+        @rtype:  dict
+        @return: A set of affected packages for each action.
         """
 
-        actions = set()
+        if old_release is None:
+            installdb = pisi.db.installdb.InstallDB()
+            version, old_release, build = installdb.get_version(self.name)
+
+        actions = {}
 
         for update in self.history:
             if update.release == old_release:
@@ -345,7 +349,8 @@ class Package:
                 if action.package and action.package != self.name:
                     continue
 
-                actions.add((action.action, action.target))
+                target = action.target or self.name
+                actions.setdefault(action.action, set()).add(target)
 
         return actions