diff options
| -rw-r--r-- | pym/_emerge/depgraph.py | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py index 544a4ddd4..b84f94234 100644 --- a/pym/_emerge/depgraph.py +++ b/pym/_emerge/depgraph.py @@ -2216,7 +2216,8 @@ class depgraph(object): return selected_atoms - def _get_dep_chain(self, pkg, target_atom=None, unsatisfied_dependency=False): + def _get_dep_chain(self, start_node, target_atom=None, + unsatisfied_dependency=False): """ Returns a list of (atom, node_type) pairs that represent a dep chain. If target_atom is None, the first package shown is pkg's parent. @@ -2227,17 +2228,17 @@ class depgraph(object): """ traversed_nodes = set() dep_chain = [] - node = pkg - first = True + node = start_node child = None all_parents = self._dynamic_config._parent_atoms - if target_atom is not None: + if target_atom is not None and isinstance(node, Package): affecting_use = set() for dep_str in "DEPEND", "RDEPEND", "PDEPEND": - affecting_use.update(extract_affecting_use(pkg.metadata[dep_str], target_atom)) - affecting_use.difference_update(pkg.use.mask, node.use.force) - pkg_name = _unicode_decode("%s") % (pkg.cpv,) + affecting_use.update(extract_affecting_use( + node.metadata[dep_str], target_atom)) + affecting_use.difference_update(node.use.mask, node.use.force) + pkg_name = _unicode_decode("%s") % (node.cpv,) if affecting_use: usedep = [] for flag in affecting_use: @@ -2247,7 +2248,7 @@ class depgraph(object): usedep.append("-"+flag) pkg_name += "[%s]" % ",".join(usedep) - dep_chain.append((pkg_name, pkg.type_name)) + dep_chain.append((pkg_name, node.type_name)) while node is not None: traversed_nodes.add(node) @@ -2255,7 +2256,7 @@ class depgraph(object): if isinstance(node, DependencyArg): dep_chain.append((_unicode_decode("%s") % (node,), "argument")) - elif node is not pkg: + elif node is not start_node: for ppkg, patom in all_parents[child]: if ppkg == node: atom = patom.unevaluated_atom @@ -2311,14 +2312,14 @@ class depgraph(object): selected_parent = None break else: - if unsatisfied_dependency and node is pkg: + if unsatisfied_dependency and node is start_node: # Make sure that pkg doesn't satisfy parent's dependency. # This ensures that we select the correct parent for use # flag changes. - for ppkg, atom in all_parents[pkg]: + for ppkg, atom in all_parents[start_node]: if parent is ppkg: atom_set = InternalPackageSet(initial_atoms=(atom,)) - if not atom_set.findAtomForPackage(pkg): + if not atom_set.findAtomForPackage(start_node): selected_parent = parent child = node break @@ -2677,11 +2678,11 @@ class depgraph(object): writemsg_stdout(" nothing similar found.\n" , noiselevel=-1) msg = [] - if not isinstance(myparent, DependencyArg): + if not isinstance(myparent, AtomArg): # It's redundant to show parent for AtomArg since # it's the same as 'xinfo' displayed above. dep_chain = self._get_dep_chain(myparent, atom) - + for node, node_type in dep_chain: msg.append('(dependency required by "%s" [%s])' % \ (colorize('INFORM', _unicode_decode("%s") % \ |