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|
# Copyright 1998-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from __future__ import unicode_literals
__all__ = ["bindbapi", "binarytree"]
import portage
portage.proxy.lazyimport.lazyimport(globals(),
'portage.checksum:get_valid_checksum_keys,perform_multiple_checksums,' + \
'verify_all,_apply_hash_filter,_hash_filter',
'portage.dbapi.dep_expand:dep_expand',
'portage.dep:dep_getkey,isjustname,isvalidatom,match_from_list',
'portage.output:EOutput,colorize',
'portage.locks:lockfile,unlockfile',
'portage.package.ebuild.fetch:_check_distfile,_hide_url_passwd',
'portage.update:update_dbentries',
'portage.util:atomic_ofstream,ensure_dirs,normalize_path,' + \
'writemsg,writemsg_stdout',
'portage.util.path:first_existing',
'portage.util._urlopen:urlopen@_urlopen,have_pep_476@_have_pep_476',
'portage.versions:best,catpkgsplit,catsplit,_pkg_str',
)
from portage.cache.mappings import slot_dict_class
from portage.const import CACHE_PATH, SUPPORTED_XPAK_EXTENSIONS
from portage.dbapi.virtual import fakedbapi
from portage.dep import Atom, use_reduce, paren_enclose
from portage.exception import AlarmSignal, InvalidData, InvalidPackageName, \
ParseError, PermissionDenied, PortageException
from portage.localization import _
from portage import _movefile
from portage import os
from portage import _encodings
from portage import _unicode_decode
from portage import _unicode_encode
import codecs
import errno
import io
import stat
import subprocess
import sys
import tempfile
import textwrap
import time
import traceback
import warnings
from gzip import GzipFile
from itertools import chain
try:
from urllib.parse import urlparse
except ImportError:
from urlparse import urlparse
if sys.hexversion >= 0x3000000:
# pylint: disable=W0622
_unicode = str
basestring = str
long = int
else:
_unicode = unicode
class UseCachedCopyOfRemoteIndex(Exception):
# If the local copy is recent enough
# then fetching the remote index can be skipped.
pass
class bindbapi(fakedbapi):
_known_keys = frozenset(list(fakedbapi._known_keys) + \
["CHOST", "repository", "USE"])
def __init__(self, mybintree=None, **kwargs):
# Always enable multi_instance mode for bindbapi indexing. This
# does not affect the local PKGDIR file layout, since that is
# controlled independently by FEATURES=binpkg-multi-instance.
# The multi_instance mode is useful for the following reasons:
# * binary packages with the same cpv from multiple binhosts
# can be considered simultaneously
# * if binpkg-multi-instance is disabled, it's still possible
# to properly access a PKGDIR which has binpkg-multi-instance
# layout (or mixed layout)
fakedbapi.__init__(self, exclusive_slots=False,
multi_instance=True, **kwargs)
self.bintree = mybintree
self.move_ent = mybintree.move_ent
# Selectively cache metadata in order to optimize dep matching.
self._aux_cache_keys = set(
["BUILD_ID", "BUILD_TIME", "CHOST", "DEFINED_PHASES",
"DEPEND", "EAPI", "HDEPEND", "IUSE", "KEYWORDS",
"LICENSE", "MD5", "PDEPEND", "PROPERTIES", "PROVIDE",
"PROVIDES", "RDEPEND", "repository", "REQUIRES", "RESTRICT",
"SIZE", "SLOT", "USE", "_mtime_"
])
self._aux_cache_slot_dict = slot_dict_class(self._aux_cache_keys)
self._aux_cache = {}
@property
def writable(self):
"""
Check if PKGDIR is writable, or permissions are sufficient
to create it if it does not exist yet.
@rtype: bool
@return: True if PKGDIR is writable or can be created,
False otherwise
"""
return os.access(first_existing(self.bintree.pkgdir), os.W_OK)
def match(self, *pargs, **kwargs):
if self.bintree and not self.bintree.populated:
self.bintree.populate()
return fakedbapi.match(self, *pargs, **kwargs)
def cpv_exists(self, cpv, myrepo=None):
if self.bintree and not self.bintree.populated:
self.bintree.populate()
return fakedbapi.cpv_exists(self, cpv)
def cpv_inject(self, cpv, **kwargs):
if not self.bintree.populated:
self.bintree.populate()
fakedbapi.cpv_inject(self, cpv,
metadata=cpv._metadata, **kwargs)
def cpv_remove(self, cpv):
if not self.bintree.populated:
self.bintree.populate()
fakedbapi.cpv_remove(self, cpv)
def aux_get(self, mycpv, wants, myrepo=None):
if self.bintree and not self.bintree.populated:
self.bintree.populate()
# Support plain string for backward compatibility with API
# consumers (including portageq, which passes in a cpv from
# a command-line argument).
instance_key = self._instance_key(mycpv,
support_string=True)
if not self._known_keys.intersection(
wants).difference(self._aux_cache_keys):
aux_cache = self.cpvdict[instance_key]
if aux_cache is not None:
return [aux_cache.get(x, "") for x in wants]
mysplit = mycpv.split("/")
mylist = []
if not self.bintree._remotepkgs or \
not self.bintree.isremote(mycpv):
try:
tbz2_path = self.bintree._pkg_paths[instance_key]
except KeyError:
raise KeyError(mycpv)
tbz2_path = os.path.join(self.bintree.pkgdir, tbz2_path)
try:
st = os.lstat(tbz2_path)
except OSError:
raise KeyError(mycpv)
metadata_bytes = portage.xpak.tbz2(tbz2_path).get_data()
def getitem(k):
if k == "_mtime_":
return _unicode(st[stat.ST_MTIME])
elif k == "SIZE":
return _unicode(st.st_size)
v = metadata_bytes.get(_unicode_encode(k,
encoding=_encodings['repo.content'],
errors='backslashreplace'))
if v is not None:
v = _unicode_decode(v,
encoding=_encodings['repo.content'], errors='replace')
return v
else:
getitem = self.cpvdict[instance_key].get
mydata = {}
mykeys = wants
for x in mykeys:
myval = getitem(x)
# myval is None if the key doesn't exist
# or the tbz2 is corrupt.
if myval:
mydata[x] = " ".join(myval.split())
if not mydata.setdefault('EAPI', '0'):
mydata['EAPI'] = '0'
return [mydata.get(x, '') for x in wants]
def aux_update(self, cpv, values):
if not self.bintree.populated:
self.bintree.populate()
build_id = None
try:
build_id = cpv.build_id
except AttributeError:
if self.bintree._multi_instance:
# The cpv.build_id attribute is required if we are in
# multi-instance mode, since otherwise we won't know
# which instance to update.
raise
else:
cpv = self._instance_key(cpv, support_string=True)[0]
build_id = cpv.build_id
tbz2path = self.bintree.getname(cpv)
if not os.path.exists(tbz2path):
raise KeyError(cpv)
mytbz2 = portage.xpak.tbz2(tbz2path)
mydata = mytbz2.get_data()
for k, v in values.items():
k = _unicode_encode(k,
encoding=_encodings['repo.content'], errors='backslashreplace')
v = _unicode_encode(v,
encoding=_encodings['repo.content'], errors='backslashreplace')
mydata[k] = v
for k, v in list(mydata.items()):
if not v:
del mydata[k]
mytbz2.recompose_mem(portage.xpak.xpak_mem(mydata))
# inject will clear stale caches via cpv_inject.
self.bintree.inject(cpv, filename=tbz2path)
def cp_list(self, *pargs, **kwargs):
if not self.bintree.populated:
self.bintree.populate()
return fakedbapi.cp_list(self, *pargs, **kwargs)
def cp_all(self, sort=False):
if not self.bintree.populated:
self.bintree.populate()
return fakedbapi.cp_all(self, sort=sort)
def cpv_all(self):
if not self.bintree.populated:
self.bintree.populate()
return fakedbapi.cpv_all(self)
def getfetchsizes(self, pkg):
"""
This will raise MissingSignature if SIZE signature is not available,
or InvalidSignature if SIZE signature is invalid.
"""
if not self.bintree.populated:
self.bintree.populate()
pkg = getattr(pkg, 'cpv', pkg)
filesdict = {}
if not self.bintree.isremote(pkg):
pass
else:
metadata = self.bintree._remotepkgs[self._instance_key(pkg)]
try:
size = int(metadata["SIZE"])
except KeyError:
raise portage.exception.MissingSignature("SIZE")
except ValueError:
raise portage.exception.InvalidSignature(
"SIZE: %s" % metadata["SIZE"])
else:
filesdict[os.path.basename(self.bintree.getname(pkg))] = size
return filesdict
class binarytree(object):
"this tree scans for a list of all packages available in PKGDIR"
def __init__(self, _unused=DeprecationWarning, pkgdir=None,
virtual=DeprecationWarning, settings=None):
if pkgdir is None:
raise TypeError("pkgdir parameter is required")
if settings is None:
raise TypeError("settings parameter is required")
if _unused is not DeprecationWarning:
warnings.warn("The first parameter of the "
"portage.dbapi.bintree.binarytree"
" constructor is now unused. Instead "
"settings['ROOT'] is used.",
DeprecationWarning, stacklevel=2)
if virtual is not DeprecationWarning:
warnings.warn("The 'virtual' parameter of the "
"portage.dbapi.bintree.binarytree"
" constructor is unused",
DeprecationWarning, stacklevel=2)
if True:
self.pkgdir = normalize_path(pkgdir)
# NOTE: Event if binpkg-multi-instance is disabled, it's
# still possible to access a PKGDIR which uses the
# binpkg-multi-instance layout (or mixed layout).
self._multi_instance = ("binpkg-multi-instance" in
settings.features)
if self._multi_instance:
self._allocate_filename = self._allocate_filename_multi
self.dbapi = bindbapi(self, settings=settings)
self.update_ents = self.dbapi.update_ents
self.move_slot_ent = self.dbapi.move_slot_ent
self.populated = 0
self.tree = {}
self._remote_has_index = False
self._remotepkgs = None # remote metadata indexed by cpv
self.invalids = []
self.settings = settings
self._pkg_paths = {}
self._populating = False
self._all_directory = os.path.isdir(
os.path.join(self.pkgdir, "All"))
self._pkgindex_version = 0
self._pkgindex_hashes = ["MD5","SHA1"]
self._pkgindex_file = os.path.join(self.pkgdir, "Packages")
self._pkgindex_keys = self.dbapi._aux_cache_keys.copy()
self._pkgindex_keys.update(["CPV", "SIZE"])
self._pkgindex_aux_keys = \
["BASE_URI", "BUILD_ID", "BUILD_TIME", "CHOST",
"DEFINED_PHASES", "DEPEND", "DESCRIPTION", "EAPI",
"HDEPEND", "IUSE", "KEYWORDS", "LICENSE", "PDEPEND",
"PKGINDEX_URI", "PROPERTIES", "PROVIDE", "PROVIDES",
"RDEPEND", "repository", "REQUIRES", "RESTRICT",
"SIZE", "SLOT", "USE"]
self._pkgindex_aux_keys = list(self._pkgindex_aux_keys)
self._pkgindex_use_evaluated_keys = \
("DEPEND", "HDEPEND", "LICENSE", "RDEPEND",
"PDEPEND", "PROPERTIES", "PROVIDE", "RESTRICT")
self._pkgindex_header_keys = set([
"ACCEPT_KEYWORDS", "ACCEPT_LICENSE",
"ACCEPT_PROPERTIES", "ACCEPT_RESTRICT", "CBUILD",
"CONFIG_PROTECT", "CONFIG_PROTECT_MASK", "FEATURES",
"GENTOO_MIRRORS", "INSTALL_MASK", "IUSE_IMPLICIT", "USE",
"USE_EXPAND", "USE_EXPAND_HIDDEN", "USE_EXPAND_IMPLICIT",
"USE_EXPAND_UNPREFIXED"])
self._pkgindex_default_pkg_data = {
"BUILD_ID" : "",
"BUILD_TIME" : "",
"DEFINED_PHASES" : "",
"DEPEND" : "",
"EAPI" : "0",
"HDEPEND" : "",
"IUSE" : "",
"KEYWORDS": "",
"LICENSE" : "",
"PATH" : "",
"PDEPEND" : "",
"PROPERTIES" : "",
"PROVIDE" : "",
"PROVIDES": "",
"RDEPEND" : "",
"REQUIRES": "",
"RESTRICT": "",
"SLOT" : "0",
"USE" : "",
}
self._pkgindex_inherited_keys = ["CHOST", "repository"]
# Populate the header with appropriate defaults.
self._pkgindex_default_header_data = {
"CHOST" : self.settings.get("CHOST", ""),
"repository" : "",
}
self._pkgindex_translated_keys = (
("DESCRIPTION" , "DESC"),
("_mtime_" , "MTIME"),
("repository" , "REPO"),
)
self._pkgindex_allowed_pkg_keys = set(chain(
self._pkgindex_keys,
self._pkgindex_aux_keys,
self._pkgindex_hashes,
self._pkgindex_default_pkg_data,
self._pkgindex_inherited_keys,
chain(*self._pkgindex_translated_keys)
))
@property
def root(self):
warnings.warn("The root attribute of "
"portage.dbapi.bintree.binarytree"
" is deprecated. Use "
"settings['ROOT'] instead.",
DeprecationWarning, stacklevel=3)
return self.settings['ROOT']
def move_ent(self, mylist, repo_match=None):
if not self.populated:
self.populate()
origcp = mylist[1]
newcp = mylist[2]
# sanity check
for atom in (origcp, newcp):
if not isjustname(atom):
raise InvalidPackageName(_unicode(atom))
mynewcat = catsplit(newcp)[0]
origmatches=self.dbapi.cp_list(origcp)
moves = 0
if not origmatches:
return moves
for mycpv in origmatches:
try:
mycpv = self.dbapi._pkg_str(mycpv, None)
except (KeyError, InvalidData):
continue
mycpv_cp = portage.cpv_getkey(mycpv)
if mycpv_cp != origcp:
# Ignore PROVIDE virtual match.
continue
if repo_match is not None \
and not repo_match(mycpv.repo):
continue
# Use isvalidatom() to check if this move is valid for the
# EAPI (characters allowed in package names may vary).
if not isvalidatom(newcp, eapi=mycpv.eapi):
continue
mynewcpv = mycpv.replace(mycpv_cp, _unicode(newcp), 1)
myoldpkg = catsplit(mycpv)[1]
mynewpkg = catsplit(mynewcpv)[1]
if (mynewpkg != myoldpkg) and os.path.exists(self.getname(mynewcpv)):
writemsg(_("!!! Cannot update binary: Destination exists.\n"),
noiselevel=-1)
writemsg("!!! "+mycpv+" -> "+mynewcpv+"\n", noiselevel=-1)
continue
tbz2path = self.getname(mycpv)
if os.path.exists(tbz2path) and not os.access(tbz2path,os.W_OK):
writemsg(_("!!! Cannot update readonly binary: %s\n") % mycpv,
noiselevel=-1)
continue
moves += 1
mytbz2 = portage.xpak.tbz2(tbz2path)
mydata = mytbz2.get_data()
updated_items = update_dbentries([mylist], mydata, parent=mycpv)
mydata.update(updated_items)
mydata[b'PF'] = \
_unicode_encode(mynewpkg + "\n",
encoding=_encodings['repo.content'])
mydata[b'CATEGORY'] = \
_unicode_encode(mynewcat + "\n",
encoding=_encodings['repo.content'])
if mynewpkg != myoldpkg:
ebuild_data = mydata.pop(_unicode_encode(myoldpkg + '.ebuild',
encoding=_encodings['repo.content']), None)
if ebuild_data is not None:
mydata[_unicode_encode(mynewpkg + '.ebuild',
encoding=_encodings['repo.content'])] = ebuild_data
mytbz2.recompose_mem(portage.xpak.xpak_mem(mydata))
self.dbapi.cpv_remove(mycpv)
del self._pkg_paths[self.dbapi._instance_key(mycpv)]
metadata = self.dbapi._aux_cache_slot_dict()
for k in self.dbapi._aux_cache_keys:
v = mydata.get(_unicode_encode(k))
if v is not None:
v = _unicode_decode(v)
metadata[k] = " ".join(v.split())
mynewcpv = _pkg_str(mynewcpv, metadata=metadata)
new_path = self.getname(mynewcpv)
self._pkg_paths[
self.dbapi._instance_key(mynewcpv)] = new_path[len(self.pkgdir)+1:]
if new_path != mytbz2:
self._ensure_dir(os.path.dirname(new_path))
_movefile(tbz2path, new_path, mysettings=self.settings)
self.inject(mynewcpv)
return moves
def prevent_collision(self, cpv):
warnings.warn("The "
"portage.dbapi.bintree.binarytree.prevent_collision "
"method is deprecated.",
DeprecationWarning, stacklevel=2)
def _ensure_dir(self, path):
"""
Create the specified directory. Also, copy gid and group mode
bits from self.pkgdir if possible.
@param cat_dir: Absolute path of the directory to be created.
@type cat_dir: String
"""
try:
pkgdir_st = os.stat(self.pkgdir)
except OSError:
ensure_dirs(path)
return
pkgdir_gid = pkgdir_st.st_gid
pkgdir_grp_mode = 0o2070 & pkgdir_st.st_mode
try:
ensure_dirs(path, gid=pkgdir_gid, mode=pkgdir_grp_mode, mask=0)
except PortageException:
if not os.path.isdir(path):
raise
def _file_permissions(self, path):
try:
pkgdir_st = os.stat(self.pkgdir)
except OSError:
pass
else:
pkgdir_gid = pkgdir_st.st_gid
pkgdir_grp_mode = 0o0060 & pkgdir_st.st_mode
try:
portage.util.apply_permissions(path, gid=pkgdir_gid,
mode=pkgdir_grp_mode, mask=0)
except PortageException:
pass
def populate(self, getbinpkgs=False, getbinpkg_refresh=True):
"""
Populates the binarytree with package metadata.
@param getbinpkgs: include remote packages
@type getbinpkgs: bool
@param getbinpkg_refresh: attempt to refresh the cache
of remote package metadata if getbinpkgs is also True
@type getbinpkg_refresh: bool
"""
if self._populating:
return
pkgindex_lock = None
try:
if os.access(self.pkgdir, os.W_OK):
pkgindex_lock = lockfile(self._pkgindex_file,
wantnewlockfile=1)
self._populating = True
self._populate(getbinpkgs, getbinpkg_refresh=getbinpkg_refresh)
finally:
if pkgindex_lock:
unlockfile(pkgindex_lock)
self._populating = False
def _populate(self, getbinpkgs=False, getbinpkg_refresh=True):
if (not os.path.isdir(self.pkgdir) and not getbinpkgs):
return 0
# Clear all caches in case populate is called multiple times
# as may be the case when _global_updates calls populate()
# prior to performing package moves since it only wants to
# operate on local packages (getbinpkgs=0).
self._remotepkgs = None
self.dbapi.clear()
_instance_key = self.dbapi._instance_key
if True:
pkg_paths = {}
self._pkg_paths = pkg_paths
dir_files = {}
for parent, dir_names, file_names in os.walk(self.pkgdir):
relative_parent = parent[len(self.pkgdir)+1:]
dir_files[relative_parent] = file_names
pkgindex = self._load_pkgindex()
if not self._pkgindex_version_supported(pkgindex):
pkgindex = self._new_pkgindex()
header = pkgindex.header
metadata = {}
basename_index = {}
for d in pkgindex.packages:
cpv = _pkg_str(d["CPV"], metadata=d,
settings=self.settings)
d["CPV"] = cpv
metadata[_instance_key(cpv)] = d
path = d.get("PATH")
if not path:
path = cpv + ".tbz2"
basename = os.path.basename(path)
basename_index.setdefault(basename, []).append(d)
update_pkgindex = False
for mydir, file_names in dir_files.items():
try:
mydir = _unicode_decode(mydir,
encoding=_encodings["fs"], errors="strict")
except UnicodeDecodeError:
continue
for myfile in file_names:
try:
myfile = _unicode_decode(myfile,
encoding=_encodings["fs"], errors="strict")
except UnicodeDecodeError:
continue
if not myfile.endswith(SUPPORTED_XPAK_EXTENSIONS):
continue
mypath = os.path.join(mydir, myfile)
full_path = os.path.join(self.pkgdir, mypath)
s = os.lstat(full_path)
if not stat.S_ISREG(s.st_mode):
continue
# Validate data from the package index and try to avoid
# reading the xpak if possible.
possibilities = basename_index.get(myfile)
if possibilities:
match = None
for d in possibilities:
try:
if long(d["_mtime_"]) != s[stat.ST_MTIME]:
continue
except (KeyError, ValueError):
continue
try:
if long(d["SIZE"]) != long(s.st_size):
continue
except (KeyError, ValueError):
continue
if not self._pkgindex_keys.difference(d):
match = d
break
if match:
mycpv = match["CPV"]
instance_key = _instance_key(mycpv)
pkg_paths[instance_key] = mypath
# update the path if the package has been moved
oldpath = d.get("PATH")
if oldpath and oldpath != mypath:
update_pkgindex = True
# Omit PATH if it is the default path for
# the current Packages format version.
if mypath != mycpv + ".tbz2":
d["PATH"] = mypath
if not oldpath:
update_pkgindex = True
else:
d.pop("PATH", None)
if oldpath:
update_pkgindex = True
self.dbapi.cpv_inject(mycpv)
continue
if not os.access(full_path, os.R_OK):
writemsg(_("!!! Permission denied to read " \
"binary package: '%s'\n") % full_path,
noiselevel=-1)
self.invalids.append(myfile[:-5])
continue
pkg_metadata = self._read_metadata(full_path, s,
keys=chain(self.dbapi._aux_cache_keys,
("PF", "CATEGORY")))
mycat = pkg_metadata.get("CATEGORY", "")
mypf = pkg_metadata.get("PF", "")
slot = pkg_metadata.get("SLOT", "")
mypkg = myfile[:-5]
if not mycat or not mypf or not slot:
#old-style or corrupt package
writemsg(_("\n!!! Invalid binary package: '%s'\n") % full_path,
noiselevel=-1)
missing_keys = []
if not mycat:
missing_keys.append("CATEGORY")
if not mypf:
missing_keys.append("PF")
if not slot:
missing_keys.append("SLOT")
msg = []
if missing_keys:
missing_keys.sort()
msg.append(_("Missing metadata key(s): %s.") % \
", ".join(missing_keys))
msg.append(_(" This binary package is not " \
"recoverable and should be deleted."))
for line in textwrap.wrap("".join(msg), 72):
writemsg("!!! %s\n" % line, noiselevel=-1)
self.invalids.append(mypkg)
continue
multi_instance = False
invalid_name = False
build_id = None
if myfile.endswith(".xpak"):
multi_instance = True
build_id = self._parse_build_id(myfile)
if build_id < 1:
invalid_name = True
elif myfile != "%s-%s.xpak" % (
mypf, build_id):
invalid_name = True
else:
mypkg = mypkg[:-len(str(build_id))-1]
elif myfile != mypf + ".tbz2":
invalid_name = True
if invalid_name:
writemsg(_("\n!!! Binary package name is "
"invalid: '%s'\n") % full_path,
noiselevel=-1)
continue
if pkg_metadata.get("BUILD_ID"):
try:
build_id = long(pkg_metadata["BUILD_ID"])
except ValueError:
writemsg(_("!!! Binary package has "
"invalid BUILD_ID: '%s'\n") %
full_path, noiselevel=-1)
continue
else:
build_id = None
if multi_instance:
name_split = catpkgsplit("%s/%s" %
(mycat, mypf))
if (name_split is None or
tuple(catsplit(mydir)) != name_split[:2]):
continue
elif mycat != mydir and mydir != "All":
continue
if mypkg != mypf.strip():
continue
mycpv = mycat + "/" + mypkg
if not self.dbapi._category_re.match(mycat):
writemsg(_("!!! Binary package has an " \
"unrecognized category: '%s'\n") % full_path,
noiselevel=-1)
writemsg(_("!!! '%s' has a category that is not" \
" listed in %setc/portage/categories\n") % \
(mycpv, self.settings["PORTAGE_CONFIGROOT"]),
noiselevel=-1)
continue
if build_id is not None:
pkg_metadata["BUILD_ID"] = _unicode(build_id)
pkg_metadata["SIZE"] = _unicode(s.st_size)
# Discard items used only for validation above.
pkg_metadata.pop("CATEGORY")
pkg_metadata.pop("PF")
mycpv = _pkg_str(mycpv,
metadata=self.dbapi._aux_cache_slot_dict(
pkg_metadata))
pkg_paths[_instance_key(mycpv)] = mypath
self.dbapi.cpv_inject(mycpv)
update_pkgindex = True
d = metadata.get(_instance_key(mycpv),
pkgindex._pkg_slot_dict())
if d:
try:
if long(d["_mtime_"]) != s[stat.ST_MTIME]:
d.clear()
except (KeyError, ValueError):
d.clear()
if d:
try:
if long(d["SIZE"]) != long(s.st_size):
d.clear()
except (KeyError, ValueError):
d.clear()
for k in self._pkgindex_allowed_pkg_keys:
v = pkg_metadata.get(k)
if v:
d[k] = v
d["CPV"] = mycpv
try:
self._eval_use_flags(mycpv, d)
except portage.exception.InvalidDependString:
writemsg(_("!!! Invalid binary package: '%s'\n") % \
self.getname(mycpv), noiselevel=-1)
self.dbapi.cpv_remove(mycpv)
del pkg_paths[_instance_key(mycpv)]
# record location if it's non-default
if mypath != mycpv + ".tbz2":
d["PATH"] = mypath
else:
d.pop("PATH", None)
metadata[_instance_key(mycpv)] = d
for instance_key in list(metadata):
if instance_key not in pkg_paths:
del metadata[instance_key]
# Do not bother to write the Packages index if $PKGDIR/All/ exists
# since it will provide no benefit due to the need to read CATEGORY
# from xpak.
if update_pkgindex and os.access(self.pkgdir, os.W_OK):
del pkgindex.packages[:]
pkgindex.packages.extend(iter(metadata.values()))
self._update_pkgindex_header(pkgindex.header)
self._pkgindex_write(pkgindex)
if getbinpkgs and not self.settings.get("PORTAGE_BINHOST"):
writemsg(_("!!! PORTAGE_BINHOST unset, but use is requested.\n"),
noiselevel=-1)
if not getbinpkgs or 'PORTAGE_BINHOST' not in self.settings:
self.populated=1
return
self._remotepkgs = {}
for base_url in self.settings["PORTAGE_BINHOST"].split():
parsed_url = urlparse(base_url)
host = parsed_url.netloc
port = parsed_url.port
user = None
passwd = None
user_passwd = ""
if "@" in host:
user, host = host.split("@", 1)
user_passwd = user + "@"
if ":" in user:
user, passwd = user.split(":", 1)
port_args = []
if port is not None:
port_str = ":%s" % (port,)
if host.endswith(port_str):
host = host[:-len(port_str)]
pkgindex_file = os.path.join(self.settings["EROOT"], CACHE_PATH, "binhost",
host, parsed_url.path.lstrip("/"), "Packages")
pkgindex = self._new_pkgindex()
try:
f = io.open(_unicode_encode(pkgindex_file,
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
errors='replace')
try:
pkgindex.read(f)
finally:
f.close()
except EnvironmentError as e:
if e.errno != errno.ENOENT:
raise
local_timestamp = pkgindex.header.get("TIMESTAMP", None)
try:
download_timestamp = \
float(pkgindex.header.get("DOWNLOAD_TIMESTAMP", 0))
except ValueError:
download_timestamp = 0
remote_timestamp = None
rmt_idx = self._new_pkgindex()
proc = None
tmp_filename = None
try:
# urlparse.urljoin() only works correctly with recognized
# protocols and requires the base url to have a trailing
# slash, so join manually...
url = base_url.rstrip("/") + "/Packages"
f = None
if not getbinpkg_refresh and local_timestamp:
raise UseCachedCopyOfRemoteIndex()
try:
ttl = float(pkgindex.header.get("TTL", 0))
except ValueError:
pass
else:
if download_timestamp and ttl and \
download_timestamp + ttl > time.time():
raise UseCachedCopyOfRemoteIndex()
# Don't use urlopen for https, unless
# PEP 476 is supported (bug #469888).
if parsed_url.scheme not in ('https',) or _have_pep_476():
try:
f = _urlopen(url, if_modified_since=local_timestamp)
if hasattr(f, 'headers') and f.headers.get('timestamp', ''):
remote_timestamp = f.headers.get('timestamp')
except IOError as err:
if hasattr(err, 'code') and err.code == 304: # not modified (since local_timestamp)
raise UseCachedCopyOfRemoteIndex()
if parsed_url.scheme in ('ftp', 'http', 'https'):
# This protocol is supposedly supported by urlopen,
# so apparently there's a problem with the url
# or a bug in urlopen.
if self.settings.get("PORTAGE_DEBUG", "0") != "0":
traceback.print_exc()
raise
except ValueError:
raise ParseError("Invalid Portage BINHOST value '%s'"
% url.lstrip())
if f is None:
path = parsed_url.path.rstrip("/") + "/Packages"
if parsed_url.scheme == 'ssh':
# Use a pipe so that we can terminate the download
# early if we detect that the TIMESTAMP header
# matches that of the cached Packages file.
ssh_args = ['ssh']
if port is not None:
ssh_args.append("-p%s" % (port,))
# NOTE: shlex evaluates embedded quotes
ssh_args.extend(portage.util.shlex_split(
self.settings.get("PORTAGE_SSH_OPTS", "")))
ssh_args.append(user_passwd + host)
ssh_args.append('--')
ssh_args.append('cat')
ssh_args.append(path)
proc = subprocess.Popen(ssh_args,
stdout=subprocess.PIPE)
f = proc.stdout
else:
setting = 'FETCHCOMMAND_' + parsed_url.scheme.upper()
fcmd = self.settings.get(setting)
if not fcmd:
fcmd = self.settings.get('FETCHCOMMAND')
if not fcmd:
raise EnvironmentError("FETCHCOMMAND is unset")
fd, tmp_filename = tempfile.mkstemp()
tmp_dirname, tmp_basename = os.path.split(tmp_filename)
os.close(fd)
fcmd_vars = {
"DISTDIR": tmp_dirname,
"FILE": tmp_basename,
"URI": url
}
for k in ("PORTAGE_SSH_OPTS",):
v = self.settings.get(k)
if v is not None:
fcmd_vars[k] = v
success = portage.getbinpkg.file_get(
fcmd=fcmd, fcmd_vars=fcmd_vars)
if not success:
raise EnvironmentError("%s failed" % (setting,))
f = open(tmp_filename, 'rb')
f_dec = codecs.iterdecode(f,
_encodings['repo.content'], errors='replace')
try:
rmt_idx.readHeader(f_dec)
if not remote_timestamp: # in case it had not been read from HTTP header
remote_timestamp = rmt_idx.header.get("TIMESTAMP", None)
if not remote_timestamp:
# no timestamp in the header, something's wrong
pkgindex = None
writemsg(_("\n\n!!! Binhost package index " \
" has no TIMESTAMP field.\n"), noiselevel=-1)
else:
if not self._pkgindex_version_supported(rmt_idx):
writemsg(_("\n\n!!! Binhost package index version" \
" is not supported: '%s'\n") % \
rmt_idx.header.get("VERSION"), noiselevel=-1)
pkgindex = None
elif local_timestamp != remote_timestamp:
rmt_idx.readBody(f_dec)
pkgindex = rmt_idx
finally:
# Timeout after 5 seconds, in case close() blocks
# indefinitely (see bug #350139).
try:
try:
AlarmSignal.register(5)
f.close()
finally:
AlarmSignal.unregister()
except AlarmSignal:
writemsg("\n\n!!! %s\n" % \
_("Timed out while closing connection to binhost"),
noiselevel=-1)
except UseCachedCopyOfRemoteIndex:
writemsg_stdout("\n")
writemsg_stdout(
colorize("GOOD", _("Local copy of remote index is up-to-date and will be used.")) + \
"\n")
rmt_idx = pkgindex
except EnvironmentError as e:
# This includes URLError which is raised for SSL
# certificate errors when PEP 476 is supported.
writemsg(_("\n\n!!! Error fetching binhost package" \
" info from '%s'\n") % _hide_url_passwd(base_url))
# With Python 2, the EnvironmentError message may
# contain bytes or unicode, so use _unicode to ensure
# safety with all locales (bug #532784).
try:
error_msg = _unicode(e)
except UnicodeDecodeError as uerror:
error_msg = _unicode(uerror.object,
encoding='utf_8', errors='replace')
writemsg("!!! %s\n\n" % error_msg)
del e
pkgindex = None
if proc is not None:
if proc.poll() is None:
proc.kill()
proc.wait()
proc = None
if tmp_filename is not None:
try:
os.unlink(tmp_filename)
except OSError:
pass
if pkgindex is rmt_idx:
pkgindex.modified = False # don't update the header
pkgindex.header["DOWNLOAD_TIMESTAMP"] = "%d" % time.time()
try:
ensure_dirs(os.path.dirname(pkgindex_file))
f = atomic_ofstream(pkgindex_file)
pkgindex.write(f)
f.close()
except (IOError, PortageException):
if os.access(os.path.dirname(pkgindex_file), os.W_OK):
raise
# The current user doesn't have permission to cache the
# file, but that's alright.
if pkgindex:
remote_base_uri = pkgindex.header.get("URI", base_url)
for d in pkgindex.packages:
cpv = _pkg_str(d["CPV"], metadata=d,
settings=self.settings)
instance_key = _instance_key(cpv)
# Local package instances override remote instances
# with the same instance_key.
if instance_key in metadata:
continue
d["CPV"] = cpv
d["BASE_URI"] = remote_base_uri
d["PKGINDEX_URI"] = url
self._remotepkgs[instance_key] = d
metadata[instance_key] = d
self.dbapi.cpv_inject(cpv)
self._remote_has_index = True
self.populated=1
def inject(self, cpv, filename=None):
"""Add a freshly built package to the database. This updates
$PKGDIR/Packages with the new package metadata (including MD5).
@param cpv: The cpv of the new package to inject
@type cpv: string
@param filename: File path of the package to inject, or None if it's
already in the location returned by getname()
@type filename: string
@rtype: _pkg_str or None
@return: A _pkg_str instance on success, or None on failure.
"""
mycat, mypkg = catsplit(cpv)
if not self.populated:
self.populate()
if filename is None:
full_path = self.getname(cpv)
else:
full_path = filename
try:
s = os.stat(full_path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
del e
writemsg(_("!!! Binary package does not exist: '%s'\n") % full_path,
noiselevel=-1)
return
metadata = self._read_metadata(full_path, s)
invalid_depend = False
try:
self._eval_use_flags(cpv, metadata)
except portage.exception.InvalidDependString:
invalid_depend = True
if invalid_depend or not metadata.get("SLOT"):
writemsg(_("!!! Invalid binary package: '%s'\n") % full_path,
noiselevel=-1)
return
fetched = False
try:
build_id = cpv.build_id
except AttributeError:
build_id = None
else:
instance_key = self.dbapi._instance_key(cpv)
if instance_key in self.dbapi.cpvdict:
# This means we've been called by aux_update (or
# similar). The instance key typically changes (due to
# file modification), so we need to discard existing
# instance key references.
self.dbapi.cpv_remove(cpv)
self._pkg_paths.pop(instance_key, None)
if self._remotepkgs is not None:
fetched = self._remotepkgs.pop(instance_key, None)
cpv = _pkg_str(cpv, metadata=metadata, settings=self.settings)
# Reread the Packages index (in case it's been changed by another
# process) and then updated it, all while holding a lock.
pkgindex_lock = None
try:
pkgindex_lock = lockfile(self._pkgindex_file,
wantnewlockfile=1)
if filename is not None:
new_filename = self.getname(cpv, allocate_new=True)
try:
samefile = os.path.samefile(filename, new_filename)
except OSError:
samefile = False
if not samefile:
self._ensure_dir(os.path.dirname(new_filename))
_movefile(filename, new_filename, mysettings=self.settings)
full_path = new_filename
basename = os.path.basename(full_path)
pf = catsplit(cpv)[1]
if (build_id is None and not fetched and
basename.endswith(".xpak")):
# Apply the newly assigned BUILD_ID. This is intended
# to occur only for locally built packages. If the
# package was fetched, we want to preserve its
# attributes, so that we can later distinguish that it
# is identical to its remote counterpart.
build_id = self._parse_build_id(basename)
metadata["BUILD_ID"] = _unicode(build_id)
cpv = _pkg_str(cpv, metadata=metadata,
settings=self.settings)
binpkg = portage.xpak.tbz2(full_path)
binary_data = binpkg.get_data()
binary_data[b"BUILD_ID"] = _unicode_encode(
metadata["BUILD_ID"])
binpkg.recompose_mem(portage.xpak.xpak_mem(binary_data))
self._file_permissions(full_path)
pkgindex = self._load_pkgindex()
if not self._pkgindex_version_supported(pkgindex):
pkgindex = self._new_pkgindex()
d = self._inject_file(pkgindex, cpv, full_path)
self._update_pkgindex_header(pkgindex.header)
self._pkgindex_write(pkgindex)
finally:
if pkgindex_lock:
unlockfile(pkgindex_lock)
# This is used to record BINPKGMD5 in the installed package
# database, for a package that has just been built.
cpv._metadata["MD5"] = d["MD5"]
return cpv
def _read_metadata(self, filename, st, keys=None):
"""
Read metadata from a binary package. The returned metadata
dictionary will contain empty strings for any values that
are undefined (this is important because the _pkg_str class
distinguishes between missing and undefined values).
@param filename: File path of the binary package
@type filename: string
@param st: stat result for the binary package
@type st: os.stat_result
@param keys: optional list of specific metadata keys to retrieve
@type keys: iterable
@rtype: dict
@return: package metadata
"""
if keys is None:
keys = self.dbapi._aux_cache_keys
metadata = self.dbapi._aux_cache_slot_dict()
else:
metadata = {}
binary_metadata = portage.xpak.tbz2(filename).get_data()
for k in keys:
if k == "_mtime_":
metadata[k] = _unicode(st[stat.ST_MTIME])
elif k == "SIZE":
metadata[k] = _unicode(st.st_size)
else:
v = binary_metadata.get(_unicode_encode(k))
if v is None:
if k == "EAPI":
metadata[k] = "0"
else:
metadata[k] = ""
else:
v = _unicode_decode(v)
metadata[k] = " ".join(v.split())
return metadata
def _inject_file(self, pkgindex, cpv, filename):
"""
Add a package to internal data structures, and add an
entry to the given pkgindex.
@param pkgindex: The PackageIndex instance to which an entry
will be added.
@type pkgindex: PackageIndex
@param cpv: A _pkg_str instance corresponding to the package
being injected.
@type cpv: _pkg_str
@param filename: Absolute file path of the package to inject.
@type filename: string
@rtype: dict
@return: A dict corresponding to the new entry which has been
added to pkgindex. This may be used to access the checksums
which have just been generated.
"""
# Update state for future isremote calls.
instance_key = self.dbapi._instance_key(cpv)
if self._remotepkgs is not None:
self._remotepkgs.pop(instance_key, None)
self.dbapi.cpv_inject(cpv)
self._pkg_paths[instance_key] = filename[len(self.pkgdir)+1:]
d = self._pkgindex_entry(cpv)
# If found, remove package(s) with duplicate path.
path = d.get("PATH", "")
for i in range(len(pkgindex.packages) - 1, -1, -1):
d2 = pkgindex.packages[i]
if path and path == d2.get("PATH"):
# Handle path collisions in $PKGDIR/All
# when CPV is not identical.
del pkgindex.packages[i]
elif cpv == d2.get("CPV"):
if path == d2.get("PATH", ""):
del pkgindex.packages[i]
pkgindex.packages.append(d)
return d
def _pkgindex_write(self, pkgindex):
contents = codecs.getwriter(_encodings['repo.content'])(io.BytesIO())
pkgindex.write(contents)
contents = contents.getvalue()
atime = mtime = long(pkgindex.header["TIMESTAMP"])
output_files = [(atomic_ofstream(self._pkgindex_file, mode="wb"),
self._pkgindex_file, None)]
if "compress-index" in self.settings.features:
gz_fname = self._pkgindex_file + ".gz"
fileobj = atomic_ofstream(gz_fname, mode="wb")
output_files.append((GzipFile(filename='', mode="wb",
fileobj=fileobj, mtime=mtime), gz_fname, fileobj))
for f, fname, f_close in output_files:
f.write(contents)
f.close()
if f_close is not None:
f_close.close()
self._file_permissions(fname)
# some seconds might have elapsed since TIMESTAMP
os.utime(fname, (atime, mtime))
def _pkgindex_entry(self, cpv):
"""
Performs checksums, and gets size and mtime via lstat.
Raises InvalidDependString if necessary.
@rtype: dict
@return: a dict containing entry for the give cpv.
"""
pkg_path = self.getname(cpv)
d = dict(cpv._metadata.items())
d.update(perform_multiple_checksums(
pkg_path, hashes=self._pkgindex_hashes))
d["CPV"] = cpv
st = os.lstat(pkg_path)
d["_mtime_"] = _unicode(st[stat.ST_MTIME])
d["SIZE"] = _unicode(st.st_size)
rel_path = pkg_path[len(self.pkgdir)+1:]
# record location if it's non-default
if rel_path != cpv + ".tbz2":
d["PATH"] = rel_path
return d
def _new_pkgindex(self):
return portage.getbinpkg.PackageIndex(
allowed_pkg_keys=self._pkgindex_allowed_pkg_keys,
default_header_data=self._pkgindex_default_header_data,
default_pkg_data=self._pkgindex_default_pkg_data,
inherited_keys=self._pkgindex_inherited_keys,
translated_keys=self._pkgindex_translated_keys)
def _update_pkgindex_header(self, header):
portdir = normalize_path(os.path.realpath(self.settings["PORTDIR"]))
profiles_base = os.path.join(portdir, "profiles") + os.path.sep
if self.settings.profile_path:
profile_path = normalize_path(
os.path.realpath(self.settings.profile_path))
if profile_path.startswith(profiles_base):
profile_path = profile_path[len(profiles_base):]
header["PROFILE"] = profile_path
header["VERSION"] = _unicode(self._pkgindex_version)
base_uri = self.settings.get("PORTAGE_BINHOST_HEADER_URI")
if base_uri:
header["URI"] = base_uri
else:
header.pop("URI", None)
for k in self._pkgindex_header_keys:
v = self.settings.get(k, None)
if v:
header[k] = v
else:
header.pop(k, None)
# These values may be useful for using a binhost without
# having a local copy of the profile (bug #470006).
for k in self.settings.get("USE_EXPAND_IMPLICIT", "").split():
k = "USE_EXPAND_VALUES_" + k
v = self.settings.get(k)
if v:
header[k] = v
else:
header.pop(k, None)
def _pkgindex_version_supported(self, pkgindex):
version = pkgindex.header.get("VERSION")
if version:
try:
if int(version) <= self._pkgindex_version:
return True
except ValueError:
pass
return False
def _eval_use_flags(self, cpv, metadata):
use = frozenset(metadata.get("USE", "").split())
for k in self._pkgindex_use_evaluated_keys:
if k.endswith('DEPEND'):
token_class = Atom
else:
token_class = None
deps = metadata.get(k)
if deps is None:
continue
try:
deps = use_reduce(deps, uselist=use, token_class=token_class)
deps = paren_enclose(deps)
except portage.exception.InvalidDependString as e:
writemsg("%s: %s\n" % (k, e), noiselevel=-1)
raise
metadata[k] = deps
def exists_specific(self, cpv):
if not self.populated:
self.populate()
return self.dbapi.match(
dep_expand("="+cpv, mydb=self.dbapi, settings=self.settings))
def dep_bestmatch(self, mydep):
"compatibility method -- all matches, not just visible ones"
if not self.populated:
self.populate()
writemsg("\n\n", 1)
writemsg("mydep: %s\n" % mydep, 1)
mydep = dep_expand(mydep, mydb=self.dbapi, settings=self.settings)
writemsg("mydep: %s\n" % mydep, 1)
mykey = dep_getkey(mydep)
writemsg("mykey: %s\n" % mykey, 1)
mymatch = best(match_from_list(mydep,self.dbapi.cp_list(mykey)))
writemsg("mymatch: %s\n" % mymatch, 1)
if mymatch is None:
return ""
return mymatch
def getname(self, cpv, allocate_new=None):
"""Returns a file location for this package.
If cpv has both build_time and build_id attributes, then the
path to the specific corresponding instance is returned.
Otherwise, allocate a new path and return that. When allocating
a new path, behavior depends on the binpkg-multi-instance
FEATURES setting.
"""
if not self.populated:
self.populate()
try:
cpv.cp
except AttributeError:
cpv = _pkg_str(cpv)
filename = None
if allocate_new:
filename = self._allocate_filename(cpv)
elif self._is_specific_instance(cpv):
instance_key = self.dbapi._instance_key(cpv)
path = self._pkg_paths.get(instance_key)
if path is not None:
filename = os.path.join(self.pkgdir, path)
if filename is None and not allocate_new:
try:
instance_key = self.dbapi._instance_key(cpv,
support_string=True)
except KeyError:
pass
else:
filename = self._pkg_paths.get(instance_key)
if filename is not None:
filename = os.path.join(self.pkgdir, filename)
if filename is None:
if self._multi_instance:
pf = catsplit(cpv)[1]
filename = "%s-%s.xpak" % (
os.path.join(self.pkgdir, cpv.cp, pf), "1")
else:
filename = os.path.join(self.pkgdir, cpv + ".tbz2")
return filename
def _is_specific_instance(self, cpv):
specific = True
try:
build_time = cpv.build_time
build_id = cpv.build_id
except AttributeError:
specific = False
else:
if build_time is None or build_id is None:
specific = False
return specific
def _max_build_id(self, cpv):
max_build_id = 0
for x in self.dbapi.cp_list(cpv.cp):
if (x == cpv and x.build_id is not None and
x.build_id > max_build_id):
max_build_id = x.build_id
return max_build_id
def _allocate_filename(self, cpv):
return os.path.join(self.pkgdir, cpv + ".tbz2")
def _allocate_filename_multi(self, cpv):
# First, get the max build_id found when _populate was
# called.
max_build_id = self._max_build_id(cpv)
# A new package may have been added concurrently since the
# last _populate call, so use increment build_id until
# we locate an unused id.
pf = catsplit(cpv)[1]
build_id = max_build_id + 1
while True:
filename = "%s-%s.xpak" % (
os.path.join(self.pkgdir, cpv.cp, pf), build_id)
if os.path.exists(filename):
build_id += 1
else:
return filename
@staticmethod
def _parse_build_id(filename):
build_id = -1
suffixlen = len(".xpak")
hyphen = filename.rfind("-", 0, -(suffixlen + 1))
if hyphen != -1:
build_id = filename[hyphen+1:-suffixlen]
try:
build_id = long(build_id)
except ValueError:
pass
return build_id
def isremote(self, pkgname):
"""Returns true if the package is kept remotely and it has not been
downloaded (or it is only partially downloaded)."""
if (self._remotepkgs is None or
self.dbapi._instance_key(pkgname) not in self._remotepkgs):
return False
# Presence in self._remotepkgs implies that it's remote. When a
# package is downloaded, state is updated by self.inject().
return True
def get_pkgindex_uri(self, cpv):
"""Returns the URI to the Packages file for a given package."""
uri = None
if self._remotepkgs is not None:
metadata = self._remotepkgs.get(self.dbapi._instance_key(cpv))
if metadata is not None:
uri = metadata["PKGINDEX_URI"]
return uri
def gettbz2(self, pkgname):
"""Fetches the package from a remote site, if necessary. Attempts to
resume if the file appears to be partially downloaded."""
instance_key = self.dbapi._instance_key(pkgname)
tbz2_path = self.getname(pkgname)
tbz2name = os.path.basename(tbz2_path)
resume = False
if os.path.exists(tbz2_path):
if tbz2name[:-5] not in self.invalids:
return
else:
resume = True
writemsg(_("Resuming download of this tbz2, but it is possible that it is corrupt.\n"),
noiselevel=-1)
mydest = os.path.dirname(self.getname(pkgname))
self._ensure_dir(mydest)
# urljoin doesn't work correctly with unrecognized protocols like sftp
if self._remote_has_index:
rel_url = self._remotepkgs[instance_key].get("PATH")
if not rel_url:
rel_url = pkgname + ".tbz2"
remote_base_uri = self._remotepkgs[instance_key]["BASE_URI"]
url = remote_base_uri.rstrip("/") + "/" + rel_url.lstrip("/")
else:
url = self.settings["PORTAGE_BINHOST"].rstrip("/") + "/" + tbz2name
protocol = urlparse(url)[0]
fcmd_prefix = "FETCHCOMMAND"
if resume:
fcmd_prefix = "RESUMECOMMAND"
fcmd = self.settings.get(fcmd_prefix + "_" + protocol.upper())
if not fcmd:
fcmd = self.settings.get(fcmd_prefix)
success = portage.getbinpkg.file_get(url, mydest, fcmd=fcmd)
if not success:
try:
os.unlink(self.getname(pkgname))
except OSError:
pass
raise portage.exception.FileNotFound(mydest)
self.inject(pkgname)
def _load_pkgindex(self):
pkgindex = self._new_pkgindex()
try:
f = io.open(_unicode_encode(self._pkgindex_file,
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['repo.content'],
errors='replace')
except EnvironmentError:
pass
else:
try:
pkgindex.read(f)
finally:
f.close()
return pkgindex
def _get_digests(self, pkg):
try:
cpv = pkg.cpv
except AttributeError:
cpv = pkg
_instance_key = self.dbapi._instance_key
instance_key = _instance_key(cpv)
digests = {}
metadata = (None if self._remotepkgs is None else
self._remotepkgs.get(instance_key))
if metadata is None:
for d in self._load_pkgindex().packages:
if (d["CPV"] == cpv and
instance_key == _instance_key(_pkg_str(d["CPV"],
metadata=d, settings=self.settings))):
metadata = d
break
if metadata is None:
return digests
for k in get_valid_checksum_keys():
v = metadata.get(k)
if not v:
continue
digests[k] = v
if "SIZE" in metadata:
try:
digests["size"] = int(metadata["SIZE"])
except ValueError:
writemsg(_("!!! Malformed SIZE attribute in remote " \
"metadata for '%s'\n") % cpv)
return digests
def digestCheck(self, pkg):
"""
Verify digests for the given package and raise DigestException
if verification fails.
@rtype: bool
@return: True if digests could be located, False otherwise.
"""
digests = self._get_digests(pkg)
if not digests:
return False
try:
cpv = pkg.cpv
except AttributeError:
cpv = pkg
pkg_path = self.getname(cpv)
hash_filter = _hash_filter(
self.settings.get("PORTAGE_CHECKSUM_FILTER", ""))
if not hash_filter.transparent:
digests = _apply_hash_filter(digests, hash_filter)
eout = EOutput()
eout.quiet = self.settings.get("PORTAGE_QUIET") == "1"
ok, st = _check_distfile(pkg_path, digests, eout, show_errors=0)
if not ok:
ok, reason = verify_all(pkg_path, digests)
if not ok:
raise portage.exception.DigestException(
(pkg_path,) + tuple(reason))
return True
def getslot(self, mycatpkg):
"Get a slot for a catpkg; assume it exists."
myslot = ""
try:
myslot = self.dbapi._pkg_str(mycatpkg, None).slot
except KeyError:
pass
return myslot
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