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author | Zac Medico <zmedico@gentoo.org> | 2008-04-15 17:14:51 +0000 |
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committer | Zac Medico <zmedico@gentoo.org> | 2008-04-15 17:14:51 +0000 |
commit | fb9113f81d22da0810a7649ab17245902cefd932 (patch) | |
tree | 9b93011af1acd0dea25b8828632f27359d244c30 /pym/_emerge/__init__.py | |
parent | 9bae76041ef0cf61cda0ae8dbd331bb4a370c2f5 (diff) | |
download | portage-fb9113f81d22da0810a7649ab17245902cefd932.tar.gz portage-fb9113f81d22da0810a7649ab17245902cefd932.tar.bz2 portage-fb9113f81d22da0810a7649ab17245902cefd932.zip |
Comment some more on the significance of passing the graph_db and parent
into depgraph._select_atoms() to solve some cases of bug #1343 while
avoiding unresolvable direct circular dependencies.
svn path=/main/trunk/; revision=9904
Diffstat (limited to 'pym/_emerge/__init__.py')
-rw-r--r-- | pym/_emerge/__init__.py | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py index e5c9b0ca9..ab1bb3543 100644 --- a/pym/_emerge/__init__.py +++ b/pym/_emerge/__init__.py @@ -1609,7 +1609,6 @@ class depgraph(object): pass filtered_tree.dbapi = self._dep_check_composite_db(self, myroot) self._filtered_trees[myroot]["porttree"] = filtered_tree - self._filtered_trees[myroot]["graph_db"] = graph_tree.dbapi # Passing in graph_tree as the vartree here could lead to better # atom selections in some cases by causing atoms for packages that @@ -1620,6 +1619,14 @@ class depgraph(object): # gwydion-dylan-bin. In case gwydion-dylan is not yet installed, # gwydion-dylan-bin needs to be selected in order to avoid a # an unresolvable direct circular dependency. + # + # To solve the problem described above, pass in "graph_db" so that + # packages that have been added to the graph are distinguishable + # from other available packages and installed packages. Also, pass + # the parent package into self._select_atoms() calls so that + # unresolvable direct circular dependencies can be detected and + # avoided when possible. + self._filtered_trees[myroot]["graph_db"] = graph_tree.dbapi self._filtered_trees[myroot]["vartree"] = self.trees[myroot]["vartree"] dbs = [] |