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#!/usr/bin/env python
seconds_per_week = 7 * 24 * 60 * 60
# reinstall_period = None
reinstall_period = 10 * seconds_per_week
import os
import sys
import time
import portage
current_time = time.time()
portdb = portage.portdb
portdb.porttrees = [portdb.porttree_root] # exclude overlays
portdb.freeze()
settings = portage.config(clone=portage.settings)
vardb = portage.db[settings["ROOT"]]["vartree"].dbapi
fakedb = portage.fakedbapi(settings=portage.settings)
deps = {}
metadata_keys = [k for k in portage.auxdbkeys if not k.startswith("UNUSED_")]
dep_keys = ["DEPEND", "RDEPEND", "PDEPEND"]
good_pkgs = set()
bad_pkgs = set()
for cp in portdb.cp_all():
best_visible = portdb.xmatch("bestmatch-visible", cp)
if best_visible:
best_installed = portage.best(vardb.match(cp))
reinstall = False
if best_installed and reinstall_period is not None:
try:
mtime = os.stat(os.path.join(
vardb.getpath(best_installed), 'COUNTER')).st_mtime
except OSError:
reinstall = True
else:
if current_time - mtime > reinstall_period:
reinstall = True
#sys.stderr.write("%s is %.1f weeks old\n" % \
# (best_installed,
# (current_time - mtime) / seconds_per_week))
if reinstall or best_visible != best_installed:
traversed = set()
dep_stack = []
dep_stack.append(("=" + best_visible, best_visible))
unsatisfied_dep = False
while dep_stack:
dep_atom, parent = dep_stack.pop()
dep_pkg = portdb.xmatch("bestmatch-visible", dep_atom)
if not dep_pkg:
unsatisfied_dep = True
bad_pkgs.add(parent)
break
if dep_pkg in bad_pkgs:
unsatisfied_dep = True
bad_pkgs.add(parent)
break
if dep_pkg in good_pkgs or dep_pkg in traversed:
continue
metadata = dict(zip(metadata_keys,
portdb.aux_get(dep_pkg, metadata_keys)))
# If this package isn't the highest visible version
# in the slot then drop it in order to avoid a slot
# conflict.
slot_atom = "%s:%s" % (portage.cpv_getkey(dep_pkg),
metadata["SLOT"])
best_visible_slot = portdb.xmatch("bestmatch-visible",
slot_atom)
if dep_pkg != best_visible_slot:
unsatisfied_dep = True
bad_pkgs.add(dep_pkg)
bad_pkgs.add(parent)
break
dep_str = " ".join(metadata[k] for k in dep_keys)
settings.setcpv(dep_pkg, mydb=metadata)
metadata["USE"] = settings["PORTAGE_USE"]
success, atoms = portage.dep_check(dep_str,
None, settings, myuse=metadata["USE"].split(),
trees=portage.db, myroot=settings["ROOT"])
if not success:
sys.stderr.write(atoms + "\n")
unsatisfied_dep = True
bad_pkgs.add(dep_pkg)
bad_pkgs.add(parent)
break
traversed.add(dep_pkg)
fakedb.cpv_inject(dep_pkg, metadata=metadata)
deps[dep_pkg] = atoms
for atom in atoms:
if atom.blocker:
continue
dep_stack.append((atom, dep_pkg))
if unsatisfied_dep:
bad_pkgs.add(best_visible)
else:
good_pkgs.update(traversed)
print cp
for cpv in good_pkgs:
for atom in deps[cpv]:
if atom.blocker:
continue
if not atom.use:
continue
if not fakedb.match(atom):
sys.stderr.write("%s has unsatisfied USE dep: %s\n" % (cpv, atom))
#for cpv2 in fakedb.match(atom.cp):
# sys.stderr.write(" %s IUSE: %s USE: %s\n" % (cpv2,
# fakedb.aux_get(cpv2, ["IUSE"])[0],
# fakedb.aux_get(cpv2, ["USE"])[0]))
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