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-rw-r--r--pym/_emerge/Scheduler.py9
-rw-r--r--pym/_emerge/actions.py10
-rw-r--r--pym/_emerge/depgraph.py29
3 files changed, 33 insertions, 15 deletions
diff --git a/pym/_emerge/Scheduler.py b/pym/_emerge/Scheduler.py
index 6a494970e..a42327473 100644
--- a/pym/_emerge/Scheduler.py
+++ b/pym/_emerge/Scheduler.py
@@ -1791,7 +1791,7 @@ class Scheduler(PollScheduler):
# scope
e = exc
mydepgraph = e.depgraph
- dropped_tasks = set()
+ dropped_tasks = {}
if e is not None:
def unsatisfied_resume_dep_msg():
@@ -1841,7 +1841,7 @@ class Scheduler(PollScheduler):
self._init_graph(mydepgraph.schedulerGraph())
msg_width = 75
- for task in dropped_tasks:
+ for task, atoms in dropped_tasks.items():
if not (isinstance(task, Package) and task.operation == "merge"):
continue
pkg = task
@@ -1849,7 +1849,10 @@ class Scheduler(PollScheduler):
" %s" % (pkg.cpv,)
if pkg.root_config.settings["ROOT"] != "/":
msg += " for %s" % (pkg.root,)
- msg += " dropped due to unsatisfied dependency."
+ if not atoms:
+ msg += " dropped because it is masked or unavailable"
+ else:
+ msg += " dropped because it requires %s" % ", ".join(atoms)
for line in textwrap.wrap(msg, msg_width):
eerror(line, phase="other", key=pkg.cpv)
settings = self.pkgsettings[pkg.root]
diff --git a/pym/_emerge/actions.py b/pym/_emerge/actions.py
index 6a3815a9c..19265d03e 100644
--- a/pym/_emerge/actions.py
+++ b/pym/_emerge/actions.py
@@ -286,8 +286,14 @@ def action_build(settings, trees, mtimedb,
"dropped due to\n" + \
"!!! masking or unsatisfied dependencies:\n\n",
noiselevel=-1)
- for task in dropped_tasks:
- portage.writemsg(" " + str(task) + "\n", noiselevel=-1)
+ for task, atoms in dropped_tasks.items():
+ if not atoms:
+ writemsg(" %s is masked or unavailable\n" %
+ (task,), noiselevel=-1)
+ else:
+ writemsg(" %s requires %s\n" %
+ (task, ", ".join(atoms)), noiselevel=-1)
+
portage.writemsg("\n", noiselevel=-1)
del dropped_tasks
else:
diff --git a/pym/_emerge/depgraph.py b/pym/_emerge/depgraph.py
index 47f1b6002..f02ccb6e9 100644
--- a/pym/_emerge/depgraph.py
+++ b/pym/_emerge/depgraph.py
@@ -7477,7 +7477,7 @@ def _resume_depgraph(settings, trees, mtimedb, myopts, myparams, spinner):
skip_masked = True
skip_unsatisfied = True
mergelist = mtimedb["resume"]["mergelist"]
- dropped_tasks = set()
+ dropped_tasks = {}
frozen_config = _frozen_depgraph_config(settings, trees,
myopts, spinner)
while True:
@@ -7491,12 +7491,21 @@ def _resume_depgraph(settings, trees, mtimedb, myopts, myparams, spinner):
raise
graph = mydepgraph._dynamic_config.digraph
- unsatisfied_parents = dict((dep.parent, dep.parent) \
- for dep in e.value)
+ unsatisfied_parents = {}
traversed_nodes = set()
- unsatisfied_stack = list(unsatisfied_parents)
+ unsatisfied_stack = [(dep.parent, dep.atom) for dep in e.value]
while unsatisfied_stack:
- pkg = unsatisfied_stack.pop()
+ pkg, atom = unsatisfied_stack.pop()
+ if atom is not None and \
+ mydepgraph._select_pkg_from_installed(
+ pkg.root, atom)[0] is not None:
+ continue
+ atoms = unsatisfied_parents.get(pkg)
+ if atoms is None:
+ atoms = []
+ unsatisfied_parents[pkg] = atoms
+ if atom is not None:
+ atoms.append(atom)
if pkg in traversed_nodes:
continue
traversed_nodes.add(pkg)
@@ -7505,7 +7514,8 @@ def _resume_depgraph(settings, trees, mtimedb, myopts, myparams, spinner):
# package scheduled for merge, removing this
# package may cause the the parent package's
# dependency to become unsatisfied.
- for parent_node in graph.parent_nodes(pkg):
+ for parent_node, atom in \
+ mydepgraph._dynamic_config._parent_atoms.get(pkg, []):
if not isinstance(parent_node, Package) \
or parent_node.operation not in ("merge", "nomerge"):
continue
@@ -7513,8 +7523,7 @@ def _resume_depgraph(settings, trees, mtimedb, myopts, myparams, spinner):
# ensure that a package with an unsatisfied depenedency
# won't get pulled in, even indirectly via a soft
# dependency.
- unsatisfied_parents[parent_node] = parent_node
- unsatisfied_stack.append(parent_node)
+ unsatisfied_stack.append((parent_node, atom))
unsatisfied_tuples = frozenset(tuple(parent_node)
for parent_node in unsatisfied_parents
@@ -7535,8 +7544,8 @@ def _resume_depgraph(settings, trees, mtimedb, myopts, myparams, spinner):
# Exclude installed packages that have been removed from the graph due
# to failure to build/install runtime dependencies after the dependent
# package has already been installed.
- dropped_tasks.update(pkg for pkg in \
- unsatisfied_parents if pkg.operation != "nomerge")
+ dropped_tasks.update((pkg, atoms) for pkg, atoms in \
+ unsatisfied_parents.items() if pkg.operation != "nomerge")
del e, graph, traversed_nodes, \
unsatisfied_parents, unsatisfied_stack