From d0ead65b8019f03bad69d88963ac2aa79a8f7693 Mon Sep 17 00:00:00 2001 From: Zac Medico Date: Sun, 10 Apr 2011 13:03:11 -0700 Subject: [PATCH] Scheduler: add more info in docstring comments This clarifies the purposes of _system_merge_started and _choose_pkg. --- pym/_emerge/Scheduler.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/pym/_emerge/Scheduler.py b/pym/_emerge/Scheduler.py index 06eeed5b1..d557a1410 100644 --- a/pym/_emerge/Scheduler.py +++ b/pym/_emerge/Scheduler.py @@ -1375,6 +1375,10 @@ class Scheduler(PollScheduler): def _system_merge_started(self, merge): """ Add any unsatisfied runtime deps to self._unsatisfied_system_deps. + In general, this keeps track of installed system packages with + unsatisfied RDEPEND or PDEPEND (circular dependencies). It can be + a fragile situation, so we don't execute any unrelated builds until + the circular dependencies are built and intstalled. """ graph = self._digraph if graph is None: @@ -1554,7 +1558,9 @@ class Scheduler(PollScheduler): def _choose_pkg(self): """ - Choose a task that has all it's dependencies satisfied. + Choose a task that has all its dependencies satisfied. This is used + for parallel build scheduling, and ensures that we don't build + anything with deep dependencies that have yet to be merged. """ if self._choose_pkg_return_early: -- 2.26.2