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authorZac Medico <zmedico@gentoo.org>2008-06-27 04:00:48 +0000
committerZac Medico <zmedico@gentoo.org>2008-06-27 04:00:48 +0000
commitab3a77f3bf1a5435193aa1af51a8590b35b4a6b0 (patch)
tree3b1f9891456c446d88fbf0bc92abe6f349003424
parent3324ca094bf8ef0d101aacde2a9b95c0ce0ecbb6 (diff)
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Split the --skipfirst code into a resume_depgraph() function that will
be useful for implementing a --keep-going option (bug #12768). svn path=/main/trunk/; revision=10809
-rw-r--r--pym/_emerge/__init__.py144
1 files changed, 83 insertions, 61 deletions
diff --git a/pym/_emerge/__init__.py b/pym/_emerge/__init__.py
index ca76400a3..0247219dc 100644
--- a/pym/_emerge/__init__.py
+++ b/pym/_emerge/__init__.py
@@ -5392,7 +5392,7 @@ class depgraph(object):
world_set.update(all_added)
world_set.unlock()
- def loadResumeCommand(self, resume_data):
+ def loadResumeCommand(self, resume_data, skip_masked=False):
"""
Add a resume command to the graph and validate it in the process. This
will raise a PackageNotFound exception if a package is not available.
@@ -5405,7 +5405,6 @@ class depgraph(object):
if not isinstance(mergelist, list):
mergelist = []
- skipfirst = "--skipfirst" in self.myopts
fakedb = self.mydbapi
trees = self.trees
serialized_tasks = []
@@ -5443,7 +5442,7 @@ class depgraph(object):
root_config = self.roots[pkg.root]
if "merge" == pkg.operation and \
not visible(root_config.settings, pkg):
- if skipfirst:
+ if skip_masked:
masked_tasks.append(Dependency(root=pkg.root, parent=pkg))
else:
self._unsatisfied_deps_for_display.append(
@@ -5497,7 +5496,7 @@ class depgraph(object):
# was dropped via --skipfirst. It makes the
# resume list invalid, so convert it to a
# UnsatisfiedResumeDep exception.
- raise self.UnsatisfiedResumeDep(
+ raise self.UnsatisfiedResumeDep(self,
masked_tasks + self._unsatisfied_deps)
self._serialized_tasks_cache = None
try:
@@ -5574,6 +5573,9 @@ class depgraph(object):
can occur when a required package is dropped from the
merge list via --skipfirst.
"""
+ def __init__(self, depgraph, value):
+ portage.exception.PortageException.__init__(self, value)
+ self.depgraph = depgraph
class _internal_exception(portage.exception.PortageException):
def __init__(self, value=""):
@@ -8393,6 +8395,73 @@ def action_depclean(settings, trees, ldpath_mtimes,
else:
print "Number removed: "+str(len(cleanlist))
+def resume_depgraph(settings, trees, mtimedb, myopts, myparams, spinner,
+ skip_masked=False, skip_unsatisfied=False):
+ """
+ Construct a depgraph for the given resume list. This will raise
+ PackageNotFound or depgraph.UnsatisfiedResumeDep when necessary.
+ @rtype: tuple
+ @returns: (success, depgraph, dropped_tasks)
+ """
+ mergelist = mtimedb["resume"]["mergelist"]
+ dropped_tasks = set()
+ while True:
+ mydepgraph = depgraph(settings, trees,
+ myopts, myparams, spinner)
+ try:
+ success = mydepgraph.loadResumeCommand(mtimedb["resume"],
+ skip_masked=skip_masked)
+ except depgraph.UnsatisfiedResumeDep, e:
+ if not skip_unsatisfied:
+ raise
+
+ graph = mydepgraph.digraph
+ unsatisfied_parents = dict((dep.parent, dep.parent) \
+ for dep in e.value)
+ traversed_nodes = set()
+ unsatisfied_stack = list(unsatisfied_parents)
+ while unsatisfied_stack:
+ pkg = unsatisfied_stack.pop()
+ if pkg in traversed_nodes:
+ continue
+ traversed_nodes.add(pkg)
+
+ # If this package was pulled in by a parent
+ # 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):
+ if not isinstance(parent_node, Package) \
+ or parent_node.operation != "merge":
+ continue
+ unsatisfied = \
+ graph.child_nodes(parent_node,
+ ignore_priority=DepPriority.SOFT)
+ if pkg in unsatisfied:
+ unsatisfied_parents[parent_node] = parent_node
+ unsatisfied_stack.append(parent_node)
+
+ pruned_mergelist = [x for x in mergelist \
+ if isinstance(x, list) and \
+ tuple(x) not in unsatisfied_parents]
+
+ # It shouldn't happen, but if the size of mergelist
+ # does not decrease for some reason then the loop
+ # will be infinite. Therefore, if that case ever
+ # occurs for some reason, raise the exception to
+ # break out of the loop.
+ if not pruned_mergelist or \
+ len(pruned_mergelist) == len(mergelist):
+ raise
+ mergelist[:] = pruned_mergelist
+ dropped_tasks.update(unsatisfied_parents)
+ del e, graph, traversed_nodes, \
+ unsatisfied_parents, unsatisfied_stack
+ continue
+ else:
+ break
+ return (success, mydepgraph, dropped_tasks)
+
def action_build(settings, trees, mtimedb,
myopts, myaction, myfiles, spinner):
@@ -8516,66 +8585,18 @@ def action_build(settings, trees, mtimedb,
del mergelist[i]
break
- dropped_tasks = set()
-
+ skip_masked = "--skipfirst" in myopts
+ skip_unsatisfied = "--skipfirst" in myopts
success = False
+ mydepgraph = None
try:
- while True:
- mydepgraph = depgraph(settings, trees,
- myopts, myparams, spinner)
- try:
- success = mydepgraph.loadResumeCommand(mtimedb["resume"])
- except depgraph.UnsatisfiedResumeDep, e:
- if "--skipfirst" not in myopts:
- raise
-
- graph = mydepgraph.digraph
- unsatisfied_parents = dict((dep.parent, dep.parent) \
- for dep in e.value)
- traversed_nodes = set()
- unsatisfied_stack = list(unsatisfied_parents)
- while unsatisfied_stack:
- pkg = unsatisfied_stack.pop()
- if pkg in traversed_nodes:
- continue
- traversed_nodes.add(pkg)
-
- # If this package was pulled in by a parent
- # 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):
- if not isinstance(parent_node, Package) \
- or parent_node.operation != "merge":
- continue
- unsatisfied = \
- graph.child_nodes(parent_node,
- ignore_priority=DepPriority.SOFT)
- if pkg in unsatisfied:
- unsatisfied_parents[parent_node] = parent_node
- unsatisfied_stack.append(parent_node)
-
- pruned_mergelist = [x for x in mergelist \
- if isinstance(x, list) and \
- tuple(x) not in unsatisfied_parents]
-
- # It shouldn't happen, but if the size of mergelist
- # does not decrease for some reason then the loop
- # will be infinite. Therefore, if that case ever
- # occurs for some reason, raise the exception to
- # break out of the loop.
- if not pruned_mergelist or \
- len(pruned_mergelist) == len(mergelist):
- raise
- mergelist[:] = pruned_mergelist
- dropped_tasks.update(unsatisfied_parents)
- del e, graph, traversed_nodes, \
- unsatisfied_parents, unsatisfied_stack
- continue
- else:
- break
+ success, mydepgraph, dropped_tasks = resume_depgraph(
+ settings, trees, mtimedb, myopts, myparams, spinner,
+ skip_masked=skip_masked, skip_unsatisfied=skip_unsatisfied)
except (portage.exception.PackageNotFound,
depgraph.UnsatisfiedResumeDep), e:
+ if isinstance(e, depgraph.UnsatisfiedResumeDep):
+ mydepgraph = e.depgraph
if show_spinner:
print
from textwrap import wrap
@@ -8644,7 +8665,8 @@ def action_build(settings, trees, mtimedb,
portage.writemsg("\n", noiselevel=-1)
del dropped_tasks
else:
- mydepgraph.display_problems()
+ if mydepgraph is not None:
+ mydepgraph.display_problems()
if not (ask or pretend):
# delete the current list and also the backup
# since it's probably stale too.