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| author | Zac Medico <zmedico@gentoo.org> | 2011-04-10 13:03:11 -0700 |
|---|---|---|
| committer | Zac Medico <zmedico@gentoo.org> | 2011-04-10 13:03:11 -0700 |
| commit | d0ead65b8019f03bad69d88963ac2aa79a8f7693 (patch) | |
| tree | 2ca525f50cde19b1bcf4d884433b3a4278e3e1be /pym/_emerge/Scheduler.py | |
| parent | b773f82f3ab84270d6541b84298013b6221ebcac (diff) | |
| download | portage-d0ead65b8019f03bad69d88963ac2aa79a8f7693.tar.gz portage-d0ead65b8019f03bad69d88963ac2aa79a8f7693.tar.bz2 portage-d0ead65b8019f03bad69d88963ac2aa79a8f7693.zip | |
Scheduler: add more info in docstring comments
This clarifies the purposes of _system_merge_started and _choose_pkg.
Diffstat (limited to 'pym/_emerge/Scheduler.py')
| -rw-r--r-- | pym/_emerge/Scheduler.py | 8 |
1 files changed, 7 insertions, 1 deletions
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: |