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# Copyright 2005-2020 Gentoo Authors
# 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
from portage.versions import _pkg_str
class BinhostHandler:
short_desc = "Generate a metadata index for binary packages"
@staticmethod
def name():
return "binhost"
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 int(mtime) != s[stat.ST_MTIME]:
return True
if int(size) != int(s.st_size):
return True
except ValueError:
return True
return False
def check(self, **kwargs):
onProgress = kwargs.get("onProgress", None)
bintree = self._bintree
# Force reindex in case pkgdir-index-trusted is enabled.
bintree._populate_local(reindex=True)
bintree.populated = True
_instance_key = bintree.dbapi._instance_key
cpv_all = self._bintree.dbapi.cpv_all()
cpv_all.sort()
maxval = len(cpv_all)
if onProgress:
onProgress(maxval, 0)
pkgindex = self._pkgindex
missing = []
stale = []
metadata = {}
for d in pkgindex.packages:
cpv = _pkg_str(d["CPV"], metadata=d, settings=bintree.settings)
d["CPV"] = cpv
metadata[_instance_key(cpv)] = d
if not bintree.dbapi.cpv_exists(cpv):
stale.append(cpv)
for i, cpv in enumerate(cpv_all):
d = metadata.get(_instance_key(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]
for cpv in stale:
errors.append("'%s' is not in the repository" % cpv)
if errors:
return (False, errors)
return (True, None)
def fix(self, **kwargs):
onProgress = kwargs.get("onProgress", None)
bintree = self._bintree
# Force reindex in case pkgdir-index-trusted is enabled.
bintree._populate_local(reindex=True)
bintree.populated = True
_instance_key = bintree.dbapi._instance_key
cpv_all = self._bintree.dbapi.cpv_all()
cpv_all.sort()
maxval = 0
if onProgress:
onProgress(maxval, 0)
pkgindex = self._pkgindex
missing = []
stale = []
metadata = {}
for d in pkgindex.packages:
cpv = _pkg_str(d["CPV"], metadata=d, settings=bintree.settings)
d["CPV"] = cpv
metadata[_instance_key(cpv)] = d
if not bintree.dbapi.cpv_exists(cpv):
stale.append(cpv)
for cpv in cpv_all:
d = metadata.get(_instance_key(cpv))
if not d or self._need_update(cpv, d):
missing.append(cpv)
if missing or stale:
from portage import locks
pkgindex_lock = locks.lockfile(self._pkgindex_file, wantnewlockfile=1)
try:
# Repopulate with lock held. If _populate_local returns
# data then use that, since _load_pkgindex would return
# stale data in this case.
self._pkgindex = pkgindex = (
bintree._populate_local() or bintree._load_pkgindex()
)
cpv_all = self._bintree.dbapi.cpv_all()
cpv_all.sort()
# Recount stale/missing packages, with lock held.
missing = []
stale = []
metadata = {}
for d in pkgindex.packages:
cpv = _pkg_str(d["CPV"], metadata=d, settings=bintree.settings)
d["CPV"] = cpv
metadata[_instance_key(cpv)] = d
if not bintree.dbapi.cpv_exists(cpv):
stale.append(cpv)
for cpv in cpv_all:
d = metadata.get(_instance_key(cpv))
if not d or self._need_update(cpv, d):
missing.append(cpv)
maxval = len(missing)
for i, cpv in enumerate(missing):
d = bintree._pkgindex_entry(cpv)
try:
bintree._eval_use_flags(cpv, d)
except portage.exception.InvalidDependString:
writemsg(
"!!! Invalid binary package: '%s'\n" % bintree.getname(cpv),
noiselevel=-1,
)
else:
metadata[_instance_key(cpv)] = d
if onProgress:
onProgress(maxval, i + 1)
for cpv in stale:
del metadata[_instance_key(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._update_pkgindex_header(self._pkgindex.header)
bintree._pkgindex_write(self._pkgindex)
finally:
locks.unlockfile(pkgindex_lock)
if onProgress:
if maxval == 0:
maxval = 1
onProgress(maxval, maxval)
return (True, None)
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