Remove recursion code from Scheduler._system_merge_started() since indirect

deps are checked when the corresponding parent is merged.

svn path=/main/trunk/; revision=12715

diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index 8b7c69e7c104f405c185a7810cd54c04f3dc40ca..0dd1070b2a477ab12a0fd31cdf0a3021605eadb8 100644 (file)
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -10786,16 +10786,7 @@ class Scheduler(PollScheduler):
                completed_tasks = self._completed_tasks
                unsatisfied = self._unsatisfied_system_deps
 
-               def ignore_non_runtime(priority):
-                       """
-                       Ignore non-runtime priorities
-                       """
-                       if isinstance(priority, DepPriority) and \
-                               (priority.runtime or priority.runtime_post):
-                               return False
-                       return True
-
-               def ignore_satisfied_runtime(priority):
+               def ignore_non_runtime_or_satisfied(priority):
                        """
                        Ignore non-runtime and satisfied runtime priorities.
                        """
@@ -10805,35 +10796,19 @@ class Scheduler(PollScheduler):
                                return False
                        return True
 
-               traversed = set()
-               dep_stack = [pkg]
-               while dep_stack:
-                       node = dep_stack.pop()
-                       if node in traversed:
+               # When checking for unsatisfied runtime deps, only check
+               # direct deps since indirect deps are checked when the
+               # corresponding parent is merged.
+               for child in graph.child_nodes(pkg,
+                       ignore_priority=ignore_non_runtime_or_satisfied):
+                       if not isinstance(child, Package) or \
+                               child.operation == 'uninstall':
                                continue
-                       traversed.add(node)
-
-                       unsatisfied_runtime = set(graph.child_nodes(node,
-                               ignore_priority=ignore_satisfied_runtime))
-                       for child in graph.child_nodes(node,
-                               ignore_priority=ignore_non_runtime):
-                               if not isinstance(child, Package) or \
-                                       child.operation == 'uninstall':
-                                       continue
-                               if child is pkg:
-                                       continue
-                               if child.operation == 'merge' and \
-                                       child in completed_tasks:
-                                       # When traversing children, only traverse completed
-                                       # 'merge' nodes since those are the only ones that need
-                                       # to be checked for unsatisfied runtime deps, and it's
-                                       # normal for nodes that aren't yet complete to have
-                                       # unsatisfied runtime deps.
-                                       dep_stack.append(child)
-                               if child.operation == 'merge' and \
-                                       child not in completed_tasks and \
-                                       child in unsatisfied_runtime:
-                                       unsatisfied.add(child)
+                       if child is pkg:
+                               continue
+                       if child.operation == 'merge' and \
+                               child not in completed_tasks:
+                               unsatisfied.add(child)
 
        def _merge_wait_exit_handler(self, task):
                self._merge_wait_scheduled.remove(task)