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# Copyright 2005-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
import errno
import stat
import portage
from portage import os
from portage.util import writemsg
import sys
if sys.hexversion >= 0x3000000:
# pylint: disable=W0622
long = int
class BinhostHandler(object):
short_desc = "Generate a metadata index for binary packages"
def name():
return "binhost"
name = staticmethod(name)
def __init__(self):
eroot = portage.settings['EROOT']
self._bintree = portage.db[eroot]["bintree"]
self._bintree.populate()
self._pkgindex_file = self._bintree._pkgindex_file
self._pkgindex = self._bintree._load_pkgindex()
def _need_update(self, cpv, data):
if "MD5" not in data:
return True
size = data.get("SIZE")
if size is None:
return True
mtime = data.get("MTIME")
if mtime is None:
return True
pkg_path = self._bintree.getname(cpv)
try:
s = os.lstat(pkg_path)
except OSError as e:
if e.errno not in (errno.ENOENT, errno.ESTALE):
raise
# We can't update the index for this one because
# it disappeared.
return False
try:
if long(mtime) != s[stat.ST_MTIME]:
return True
if long(size) != long(s.st_size):
return True
except ValueError:
return True
return False
def check(self, **kwargs):
onProgress = kwargs.get('onProgress', None)
missing = []
cpv_all = self._bintree.dbapi.cpv_all()
cpv_all.sort()
maxval = len(cpv_all)
if onProgress:
onProgress(maxval, 0)
pkgindex = self._pkgindex
missing = []
metadata = {}
for d in pkgindex.packages:
metadata[d["CPV"]] = d
for i, cpv in enumerate(cpv_all):
d = metadata.get(cpv)
if not d or self._need_update(cpv, d):
missing.append(cpv)
if onProgress:
onProgress(maxval, i+1)
errors = ["'%s' is not in Packages" % cpv for cpv in missing]
stale = set(metadata).difference(cpv_all)
for cpv in stale:
errors.append("'%s' is not in the repository" % cpv)
return errors
def fix(self, **kwargs):
onProgress = kwargs.get('onProgress', None)
bintree = self._bintree
cpv_all = self._bintree.dbapi.cpv_all()
cpv_all.sort()
missing = []
maxval = 0
if onProgress:
onProgress(maxval, 0)
pkgindex = self._pkgindex
missing = []
metadata = {}
for d in pkgindex.packages:
metadata[d["CPV"]] = d
for i, cpv in enumerate(cpv_all):
d = metadata.get(cpv)
if not d or self._need_update(cpv, d):
missing.append(cpv)
stale = set(metadata).difference(cpv_all)
if missing or stale:
from portage import locks
pkgindex_lock = locks.lockfile(
self._pkgindex_file, wantnewlockfile=1)
try:
# Repopulate with lock held.
bintree._populate()
cpv_all = self._bintree.dbapi.cpv_all()
cpv_all.sort()
pkgindex = bintree._load_pkgindex()
self._pkgindex = pkgindex
metadata = {}
for d in pkgindex.packages:
metadata[d["CPV"]] = d
# Recount missing packages, with lock held.
del missing[:]
for i, cpv in enumerate(cpv_all):
d = metadata.get(cpv)
if not d or self._need_update(cpv, d):
missing.append(cpv)
maxval = len(missing)
for i, cpv in enumerate(missing):
try:
metadata[cpv] = bintree._pkgindex_entry(cpv)
except portage.exception.InvalidDependString:
writemsg("!!! Invalid binary package: '%s'\n" % \
bintree.getname(cpv), noiselevel=-1)
if onProgress:
onProgress(maxval, i+1)
for cpv in set(metadata).difference(
self._bintree.dbapi.cpv_all()):
del metadata[cpv]
# We've updated the pkgindex, so set it to
# repopulate when necessary.
bintree.populated = False
del pkgindex.packages[:]
pkgindex.packages.extend(metadata.values())
bintree._pkgindex_write(self._pkgindex)
finally:
locks.unlockfile(pkgindex_lock)
if onProgress:
if maxval == 0:
maxval = 1
onProgress(maxval, maxval)
return None
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