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|
# Copyright 1998-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
__all__ = ["bindbapi", "binarytree"]
import portage
portage.proxy.lazyimport.lazyimport(
globals(),
"_emerge.BinpkgExtractorAsync:BinpkgExtractorAsync",
"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._async.SchedulerInterface:SchedulerInterface",
"portage.util._urlopen:urlopen@_urlopen,have_pep_476@_have_pep_476",
"portage.versions:best,catpkgsplit,catsplit,_pkg_str",
)
from portage.binrepo.config import BinRepoConfigLoader
from portage.cache.mappings import slot_dict_class
from portage.const import (
BINREPOS_CONF_FILE,
CACHE_PATH,
SUPPORTED_XPAK_EXTENSIONS,
SUPPORTED_GPKG_EXTENSIONS,
SUPPORTED_GENTOO_BINPKG_FORMATS,
)
from portage.dbapi.virtual import fakedbapi
from portage.dep import Atom, use_reduce, paren_enclose
from portage.exception import (
AlarmSignal,
CorruptionKeyError,
InvalidPackageName,
InvalidBinaryPackageFormat,
ParseError,
PortageException,
PortagePackageException,
SignatureException,
)
from portage.localization import _
from portage.output import colorize
from portage.package.ebuild.profile_iuse import iter_iuse_vars
from portage.util import ensure_dirs
from portage.util.file_copy import copyfile
from portage.util.futures import asyncio
from portage.util.futures.executor.fork import ForkExecutor
from portage.binpkg import get_binpkg_format
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 re
import shlex
import stat
import subprocess
import tempfile
import textwrap
import time
import traceback
import warnings
from gzip import GzipFile
from itertools import chain
from pathlib import PurePath
from urllib.parse import urlparse
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"]
)
# Must include keys used to create _pkg_str attributes used in
# the fakedbapi _instance_key_multi_instance method.
_pkg_str_aux_keys = fakedbapi._pkg_str_aux_keys + (
"BUILD_ID",
"BUILD_TIME",
"SIZE",
"_mtime_",
)
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 = {
"BDEPEND",
"BUILD_ID",
"BUILD_TIME",
"CHOST",
"DEFINED_PHASES",
"DEPEND",
"EAPI",
"IDEPEND",
"IUSE",
"KEYWORDS",
"LICENSE",
"MD5",
"PDEPEND",
"PROPERTIES",
"PROVIDES",
"RDEPEND",
"repository",
"REQUIRES",
"RESTRICT",
"SIZE",
"SLOT",
"USE",
"_mtime_",
}
self._aux_cache = {}
self._aux_cache_slot_dict_cache = None
@property
def _aux_cache_slot_dict(self):
if self._aux_cache_slot_dict_cache is None:
self._aux_cache_slot_dict_cache = slot_dict_class(self._aux_cache_keys)
return self._aux_cache_slot_dict_cache
def __getstate__(self):
state = self.__dict__.copy()
# These attributes are not picklable, so they are automatically
# regenerated after unpickling.
state["_aux_cache_slot_dict_cache"] = None
state["_instance_key"] = None
return state
def __setstate__(self, state):
self.__dict__.update(state)
if self._multi_instance:
self._instance_key = self._instance_key_multi_instance
else:
self._instance_key = self._instance_key_cpv
@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 = []
add_pkg = self.bintree._additional_pkgs.get(instance_key)
if add_pkg is not None:
return add_pkg._db.aux_get(add_pkg, wants)
if not self.bintree._remotepkgs or not self.bintree.isremote(mycpv):
try:
binpkg_path = self.bintree._pkg_paths[instance_key]
except KeyError:
raise KeyError(mycpv)
binpkg_path = os.path.join(self.bintree.pkgdir, binpkg_path)
try:
st = os.stat(binpkg_path)
except OSError as oe:
raise CorruptionKeyError(mycpv) from oe
binpkg_format = get_binpkg_format(binpkg_path)
if binpkg_format == "xpak":
metadata_bytes = portage.xpak.tbz2(binpkg_path).get_data()
decode_metadata_name = False
elif binpkg_format == "gpkg":
metadata_bytes = portage.gpkg.gpkg(
self.settings, mycpv, binpkg_path
).get_metadata()
decode_metadata_name = True
def getitem(k):
if k == "_mtime_":
return str(st[stat.ST_MTIME])
if k == "SIZE":
return str(st.st_size)
else:
if decode_metadata_name:
v = metadata_bytes.get(k)
else:
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()
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
cpv_str = str(cpv)
if build_id is not None:
cpv_str += f"-{build_id}"
binpkg_path = self.bintree.getname(cpv)
try:
os.stat(binpkg_path)
except OSError as oe:
raise CorruptionKeyError(cpv) from oe
binpkg_format = get_binpkg_format(binpkg_path)
if binpkg_format == "xpak":
mytbz2 = portage.xpak.tbz2(binpkg_path)
mydata = mytbz2.get_data()
encoding_key = True
elif binpkg_format == "gpkg":
mybinpkg = portage.gpkg.gpkg(self.settings, cpv_str, binpkg_path)
try:
mydata = mybinpkg.get_metadata()
signature_exist = mybinpkg.signature_exist
except SignatureException:
signature_exist = True
if signature_exist:
writemsg(
colorize(
"WARN",
f"Binpkg update ignored for signed package: {binpkg_path}, "
"the file will be removed.\n",
)
)
self.bintree.remove(cpv)
return
encoding_key = False
else:
raise InvalidBinaryPackageFormat(
f"Unknown binary package format {binpkg_path}"
)
for k, v in values.items():
if encoding_key:
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]
if binpkg_format == "xpak":
mytbz2.recompose_mem(portage.xpak.xpak_mem(mydata))
elif binpkg_format == "gpkg":
mybinpkg.update_metadata(mydata)
else:
raise InvalidBinaryPackageFormat(
f"Unknown binary package format {binpkg_path}"
)
# inject will clear stale caches via cpv_inject.
self.bintree.inject(cpv)
async def unpack_metadata(self, pkg, dest_dir, loop=None):
"""
Unpack package metadata to a directory. This method is a coroutine.
@param pkg: package to unpack
@type pkg: _pkg_str or portage.config
@param dest_dir: destination directory
@type dest_dir: str
"""
loop = asyncio._wrap_loop(loop)
if isinstance(pkg, _pkg_str):
cpv = pkg
else:
cpv = pkg.mycpv
key = self._instance_key(cpv)
add_pkg = self.bintree._additional_pkgs.get(key)
if add_pkg is not None:
await add_pkg._db.unpack_metadata(pkg, dest_dir, loop=loop)
else:
binpkg_file = self.bintree.getname(cpv)
binpkg_format = get_binpkg_format(binpkg_file)
if binpkg_format == "xpak":
await loop.run_in_executor(
ForkExecutor(loop=loop),
portage.xpak.tbz2(binpkg_file).unpackinfo,
dest_dir,
)
elif binpkg_format == "gpkg":
await loop.run_in_executor(
ForkExecutor(loop=loop),
portage.gpkg.gpkg(self.settings, cpv, binpkg_file).unpack_metadata,
dest_dir,
)
else:
raise InvalidBinaryPackageFormat(
f"Unknown binary package format {binpkg_file}"
)
async def unpack_contents(self, pkg, dest_dir, loop=None):
"""
Unpack package contents to a directory. This method is a coroutine.
@param pkg: package to unpack
@type pkg: _pkg_str or portage.config
@param dest_dir: destination directory
@type dest_dir: str
"""
loop = asyncio._wrap_loop(loop)
if isinstance(pkg, _pkg_str):
settings = self.settings
cpv = pkg
else:
settings = pkg
cpv = settings.mycpv
pkg_path = self.bintree.getname(cpv)
if pkg_path is not None:
binpkg_format = get_binpkg_format(pkg_path)
if binpkg_format == "xpak":
extractor = BinpkgExtractorAsync(
background=settings.get("PORTAGE_BACKGROUND") == "1",
env=settings.environ(),
features=settings.features,
image_dir=dest_dir,
pkg=cpv,
pkg_path=pkg_path,
logfile=settings.get("PORTAGE_LOG_FILE"),
scheduler=SchedulerInterface(loop),
)
extractor.start()
await extractor.async_wait()
if extractor.returncode != os.EX_OK:
raise PortageException(f"Error Extracting '{pkg_path}'")
elif binpkg_format == "gpkg":
await loop.run_in_executor(
ForkExecutor(loop=loop),
portage.gpkg.gpkg(self.settings, cpv, pkg_path).decompress,
dest_dir,
)
else:
raise portage.exception.InvalidBinaryPackageFormat(pkg_path)
else:
instance_key = self._instance_key(cpv)
add_pkg = self.bintree._additional_pkgs.get(instance_key)
if add_pkg is None:
raise portage.exception.PackageNotFound(cpv)
await add_pkg._db.unpack_contents(pkg, dest_dir, loop=loop)
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(f"SIZE: {metadata['SIZE']}")
else:
filesdict[os.path.basename(self.bintree.getname(pkg))] = size
return filesdict
class binarytree:
"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,
)
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._binrepos_conf = None
self._remote_has_index = False
self._remotepkgs = None # remote metadata indexed by cpv
self._additional_pkgs = {}
self.invalids = []
self.invalid_paths: dict[str, list[str]] = {}
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",
"BDEPEND",
"BUILD_ID",
"BUILD_TIME",
"CHOST",
"DEFINED_PHASES",
"DEPEND",
"DESCRIPTION",
"EAPI",
"FETCHCOMMAND",
"IDEPEND",
"IUSE",
"KEYWORDS",
"LICENSE",
"PDEPEND",
"PKGINDEX_URI",
"PROPERTIES",
"PROVIDES",
"RDEPEND",
"repository",
"REQUIRES",
"RESTRICT",
"RESUMECOMMAND",
"SIZE",
"SLOT",
"USE",
]
self._pkgindex_use_evaluated_keys = (
"BDEPEND",
"DEPEND",
"IDEPEND",
"LICENSE",
"RDEPEND",
"PDEPEND",
"PROPERTIES",
"RESTRICT",
)
self._pkgindex_header = None
self._pkgindex_header_keys = {
"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 = {
"BDEPEND": "",
"BUILD_ID": "",
"BUILD_TIME": "",
"DEFINED_PHASES": "",
"DEPEND": "",
"EAPI": "0",
"IDEPEND": "",
"IUSE": "",
"KEYWORDS": "",
"LICENSE": "",
"PATH": "",
"PDEPEND": "",
"PROPERTIES": "",
"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(str(atom))
mynewcat = catsplit(newcp)[0]
origmatches = self.dbapi.cp_list(origcp)
moves = 0
if not origmatches:
return moves
for mycpv in origmatches:
mycpv_cp = mycpv.cp
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, str(newcp), 1)
myoldpkg = catsplit(mycpv)[1]
mynewpkg = catsplit(mynewcpv)[1]
# If this update has already been applied to the same
# package build then silently continue.
applied = False
for maybe_applied in self.dbapi.match(f"={mynewcpv}"):
if maybe_applied.build_time == mycpv.build_time:
applied = True
break
if applied:
continue
if (mynewpkg != myoldpkg) and self.dbapi.cpv_exists(mynewcpv):
writemsg(
_("!!! Cannot update binary: Destination exists.\n"), noiselevel=-1
)
writemsg("!!! " + mycpv + " -> " + mynewcpv + "\n", noiselevel=-1)
continue
binpkg_path = self.getname(mycpv)
try:
os.stat(binpkg_path)
except FileNotFoundError:
writemsg(_("!!! File not found: %s\n") % binpkg_path, noiselevel=-1)
continue
except OSError as oe:
writemsg(
_("!!! File os error (path %s): %s\n") % (binpkg_path, oe),
noiselevel=-1,
)
continue
if not os.access(binpkg_path, os.W_OK):
writemsg(
_("!!! Cannot update readonly binary: %s\n") % mycpv, noiselevel=-1
)
continue
binpkg_format = get_binpkg_format(binpkg_path)
if binpkg_format == "xpak":
mytbz2 = portage.xpak.tbz2(binpkg_path)
mydata = mytbz2.get_data()
decode_metadata_name = False
elif binpkg_format == "gpkg":
mybinpkg = portage.gpkg.gpkg(self.settings, mycpv, binpkg_path)
try:
mydata = mybinpkg.get_metadata()
signature_exist = mybinpkg.signature_exist
except SignatureException:
signature_exist = True
if signature_exist:
writemsg(
colorize(
"WARN",
f"Binpkg update ignored for signed package: {binpkg_path}\n",
)
)
continue
decode_metadata_name = True
else:
continue
moves += 1
updated_items = update_dbentries([mylist], mydata, parent=mycpv)
mydata.update(updated_items)
if decode_metadata_name:
mydata["PF"] = _unicode_encode(
mynewpkg + "\n", encoding=_encodings["repo.content"]
)
mydata["CATEGORY"] = _unicode_encode(
mynewcat + "\n", encoding=_encodings["repo.content"]
)
else:
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
metadata = self.dbapi._aux_cache_slot_dict()
for k in self.dbapi._aux_cache_keys:
v = mydata.get(k if decode_metadata_name else _unicode_encode(k))
if v is not None:
v = _unicode_decode(v)
metadata[k] = " ".join(v.split())
# Create a copy of the old version of the package and
# apply the update to it. Leave behind the old version,
# assuming that it will be deleted by eclean-pkg when its
# time comes.
mynewcpv = _pkg_str(mynewcpv, metadata=metadata, db=self.dbapi)
allocated_pkg_path = self.getname(mynewcpv, allocate_new=True)
update_path = allocated_pkg_path + ".partial"
self._ensure_dir(os.path.dirname(update_path))
update_path_lock = None
try:
update_path_lock = lockfile(update_path, wantnewlockfile=True)
copyfile(binpkg_path, update_path)
if binpkg_format == "xpak":
mytbz2 = portage.xpak.tbz2(update_path)
mytbz2.recompose_mem(portage.xpak.xpak_mem(mydata))
elif binpkg_format == "gpkg":
mybinpkg = portage.gpkg.gpkg(self.settings, mycpv, update_path)
mybinpkg.update_metadata(mydata, new_basename=mynewcpv)
else:
raise InvalidBinaryPackageFormat(binpkg_format)
self.inject(
mynewcpv,
current_pkg_path=update_path,
allocated_pkg_path=allocated_pkg_path,
)
finally:
if update_path_lock is not None:
try:
os.unlink(update_path)
except OSError:
pass
unlockfile(update_path_lock)
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
components = []
for component in PurePath(path).relative_to(self.pkgdir).parts:
components.append(component)
component_path = os.path.join(self.pkgdir, *components)
try:
ensure_dirs(
component_path, gid=pkgdir_gid, mode=pkgdir_grp_mode, mask=0
)
except PortageException:
if not os.path.isdir(component_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=False,
add_repos=(),
force_reindex=False,
invalid_errors=True,
pretend=False,
):
"""
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
@param add_repos: additional binary package repositories
@type add_repos: sequence
"""
# TODO: Should we return here if we're --pretend? On the one hand,
# people might not want --pretend to affect state. On the other hand,
# it makes --pretend pretty useless with --getbinpkg as your index will
# be stale.
if self._populating:
return
if not os.path.isdir(self.pkgdir) and not (getbinpkgs or add_repos):
self.populated = True
return
# 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._populating = True
try:
update_pkgindex = self._populate_local(
reindex="pkgdir-index-trusted" not in self.settings.features
or force_reindex,
invalid_errors=invalid_errors,
)
if update_pkgindex and self.dbapi.writable:
# If the Packages file needs to be updated, then _populate_local
# needs to be called once again while the file is locked, so
# that changes made by a concurrent process cannot be lost. This
# case is avoided when possible, in order to minimize lock
# contention.
pkgindex_lock = None
try:
pkgindex_lock = lockfile(self._pkgindex_file, wantnewlockfile=True)
update_pkgindex = self._populate_local()
if update_pkgindex:
self._pkgindex_write(update_pkgindex)
finally:
if pkgindex_lock:
unlockfile(pkgindex_lock)
if add_repos:
self._populate_additional(add_repos)
if getbinpkgs:
config_path = os.path.join(
self.settings["PORTAGE_CONFIGROOT"], BINREPOS_CONF_FILE
)
self._binrepos_conf = BinRepoConfigLoader((config_path,), self.settings)
if not self._binrepos_conf:
writemsg(
_(
f"!!! {config_path} is missing (or PORTAGE_BINHOST is unset), "
"but use is requested.\n"
),
noiselevel=-1,
)
else:
self._populate_remote(
getbinpkg_refresh=getbinpkg_refresh, pretend=pretend
)
finally:
self._populating = False
self.populated = True
def _populate_local(self, reindex=True, invalid_errors=True):
"""
Populates the binarytree with local package metadata.
@param reindex: detect added / modified / removed packages and
regenerate the index file if necessary
@type reindex: bool
"""
self.dbapi.clear()
_instance_key = self.dbapi._instance_key
# In order to minimize disk I/O, we never compute digests here.
# Therefore we exclude hashes from the minimum_keys, so that
# the Packages file will not be needlessly re-written due to
# missing digests.
minimum_keys = self._pkgindex_keys.difference(self._pkgindex_hashes)
if "binpkg-request-signature" in self.settings.features:
gpkg_only = True
else:
gpkg_only = False
gpkg_only_warned = False
if True:
pkg_paths = {}
self._pkg_paths = pkg_paths
dir_files = {}
if reindex:
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()
metadata = {}
basename_index = {}
for d in pkgindex.packages:
cpv = _pkg_str(
d["CPV"], metadata=d, settings=self.settings, db=self.dbapi
)
d["CPV"] = cpv
metadata[_instance_key(cpv)] = d
path = d.get("PATH")
if not path:
if gpkg_only:
if not gpkg_only_warned:
writemsg(
colorize(
"WARN",
"Local XPAK packages are ignored due to 'binpkg-request-signature'.\n",
),
noiselevel=-1,
)
gpkg_only_warned = True
continue
else:
path = cpv + ".tbz2"
if reindex:
basename = os.path.basename(path)
basename_index.setdefault(basename, []).append(d)
else:
instance_key = _instance_key(cpv)
pkg_paths[instance_key] = path
self.dbapi.cpv_inject(cpv)
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 + SUPPORTED_GPKG_EXTENSIONS
):
continue
if myfile.endswith(SUPPORTED_XPAK_EXTENSIONS) and gpkg_only:
if not gpkg_only_warned:
writemsg(
colorize(
"WARN",
"Local XPAK packages are ignored due to 'binpkg-request-signature'.\n",
),
noiselevel=-1,
)
gpkg_only_warned = True
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.
match = None
possibilities = basename_index.get(myfile)
if possibilities:
for d in possibilities:
try:
if int(d["_mtime_"]) != s[stat.ST_MTIME]:
continue
except (KeyError, ValueError):
continue
try:
if int(d["SIZE"]) != int(s.st_size):
continue
except (KeyError, ValueError):
continue
if not minimum_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 != mypath:
d["PATH"] = mypath
update_pkgindex = True
self.dbapi.cpv_inject(mycpv)
continue
if not os.access(full_path, os.R_OK):
if invalid_errors:
writemsg(
_(
"!!! Permission denied to read "
"binary package: '%s'\n"
)
% full_path,
noiselevel=-1,
)
self.invalids.append(myfile[:-5])
self.invalid_paths[myfile] = [full_path]
continue
try:
binpkg_format = get_binpkg_format(myfile)
except InvalidBinaryPackageFormat:
self.invalids.append(myfile[:-5])
self.invalid_paths[myfile[:-5]] = [full_path]
continue
if gpkg_only:
if binpkg_format != "gpkg":
if not gpkg_only_warned:
writemsg(
colorize(
"WARN",
"Local XPAK packages are ignored due to 'binpkg-request-signature'.\n",
),
noiselevel=-1,
)
gpkg_only_warned = True
continue
else:
binpkg_format = "gpkg"
for ext in SUPPORTED_XPAK_EXTENSIONS + SUPPORTED_GPKG_EXTENSIONS:
if myfile.endswith(ext):
mypkg = myfile[: -len(ext)]
break
try:
pkg_metadata = self._read_metadata(
full_path,
s,
keys=chain(self.dbapi._aux_cache_keys, ("PF", "CATEGORY")),
binpkg_format=binpkg_format,
)
except (PortagePackageException, SignatureException) as e:
if invalid_errors:
writemsg(
f"!!! Invalid binary package: '{full_path}', {e}\n",
noiselevel=-1,
)
self.invalid_paths[mypkg] = [full_path]
continue
mycat = pkg_metadata.get("CATEGORY", "")
mypf = pkg_metadata.get("PF", "")
slot = pkg_metadata.get("SLOT", "")
if not mycat or not mypf or not slot:
# old-style or corrupt package
if invalid_errors:
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")
if invalid_errors:
msg = []
if missing_keys:
missing_keys.sort()
msg.append(
_("Missing metadata key(s): %s.")
% ", ".join(missing_keys)
)
if invalid_errors:
msg.append(
_(
" This binary package is not "
"recoverable and should be deleted."
)
)
for line in textwrap.wrap("".join(msg), 72):
writemsg(f"!!! {line}\n", noiselevel=-1)
self.invalids.append(mypkg)
self.invalid_paths[mypkg] = [full_path]
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 != f"{mypf}-{build_id}.xpak":
invalid_name = True
else:
mypkg = mypkg[: -len(str(build_id)) - 1]
elif myfile.endswith(".gpkg.tar"):
build_id = self._parse_build_id(myfile)
if build_id > 0:
multi_instance = True
if myfile != f"{mypf}-{build_id}.gpkg.tar":
invalid_name = True
else:
mypkg = mypkg[: -len(str(build_id)) - 1]
else:
if myfile != f"{mypf}.gpkg.tar":
invalid_name = True
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 = int(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(f"{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"] = str(build_id)
pkg_metadata["SIZE"] = str(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),
db=self.dbapi,
)
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 int(d["_mtime_"]) != s[stat.ST_MTIME]:
d.clear()
except (KeyError, ValueError):
d.clear()
if d:
try:
if int(d["SIZE"]) != int(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)]
d["PATH"] = mypath
metadata[_instance_key(mycpv)] = d
if reindex:
for instance_key in list(metadata):
if instance_key not in pkg_paths:
del metadata[instance_key]
if update_pkgindex:
del pkgindex.packages[:]
pkgindex.packages.extend(iter(metadata.values()))
self._update_pkgindex_header(pkgindex.header)
self._pkgindex_header = {}
self._merge_pkgindex_header(pkgindex.header, self._pkgindex_header)
return pkgindex if update_pkgindex else None
def _run_trust_helper(self):
portage_trust_helper = self.settings.get("PORTAGE_TRUST_HELPER", "")
if portage_trust_helper == "":
return
try:
ret = subprocess.run(portage_trust_helper)
except FileNotFoundError:
writemsg(
_(
"\n!!! Portage trust helper %s for binary packages not found\n!!! Continuing, but did you install app-portage/getuto?\n"
)
% portage_trust_helper,
noiselevel=-1,
)
return
ret.check_returncode()
def _populate_remote(self, getbinpkg_refresh=True, pretend=False):
self._remote_has_index = False
self._remotepkgs = {}
if "binpkg-request-signature" in self.settings.features:
# This is somewhat broken, we *should* run the trust helper always
# when binpackages are involved, not only when we refuse unsigned
# ones. (If the keys have expired we end up refusing signed but
# technically invalid packages...)
if not pretend and self.dbapi.writable:
self._run_trust_helper()
gpkg_only = True
else:
gpkg_only = False
# Order by descending priority.
for repo in reversed(list(self._binrepos_conf.values())):
base_url = repo.sync_uri
parsed_url = urlparse(base_url)
host = parsed_url.hostname or ""
port = parsed_url.port
user = parsed_url.username
passwd = parsed_url.password
user_passwd = user + "@" if user else ""
gpkg_only_warned = False
pkgindex_file = os.path.join(
self.settings["EROOT"],
CACHE_PATH,
"binhost",
host,
parsed_url.path.lstrip("/"),
"Packages",
)
pkgindex = self._new_pkgindex()
try:
f = open(
_unicode_encode(
pkgindex_file, encoding=_encodings["fs"], errors="strict"
),
encoding=_encodings["repo.content"],
errors="replace",
)
try:
pkgindex.read(f)
finally:
f.close()
except OSError 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 local_timestamp and (repo.frozen or not getbinpkg_refresh):
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()
# Set proxy settings for _urlopen -> urllib_request
proxies = {}
for proto in ("http", "https"):
value = self.settings.get(proto + "_proxy")
if value is not None:
proxies[proto] = value
# Don't use urlopen for https, unless
# PEP 476 is supported (bug #469888).
if (
repo.fetchcommand is None or parsed_url.scheme in ("", "file")
) and (parsed_url.scheme not in ("https",) or _have_pep_476()):
try:
if parsed_url.scheme in ("", "file"):
f = open(f"{parsed_url.path.rstrip('/')}/Packages", "rb")
else:
f = _urlopen(
url, if_modified_since=local_timestamp, proxies=proxies
)
if hasattr(f, "headers") and f.headers.get("timestamp", ""):
remote_timestamp = f.headers.get("timestamp")
except OSError 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(
f"Invalid Portage BINHOST value '{url.lstrip()}'"
)
if f is None:
path = parsed_url.path.rstrip("/") + "/Packages"
if repo.fetchcommand is None and 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(f"-p{port}")
# NOTE: shlex evaluates embedded quotes
ssh_args.extend(
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:
if repo.fetchcommand is None:
setting = "FETCHCOMMAND_" + parsed_url.scheme.upper()
fcmd = self.settings.get(setting)
if not fcmd:
fcmd = self.settings.get("FETCHCOMMAND")
if not fcmd:
raise OSError("FETCHCOMMAND is unset")
else:
fcmd = repo.fetchcommand
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 OSError(f"{setting} failed")
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:
desc = "frozen" if repo.frozen else "up-to-date"
writemsg_stdout("\n")
writemsg_stdout(
colorize(
"GOOD",
_("Local copy of remote index is %s and will be used.") % desc,
)
+ "\n"
)
rmt_idx = pkgindex
except OSError 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 str to ensure
# safety with all locales (bug #532784).
try:
error_msg = str(e)
except UnicodeDecodeError as uerror:
error_msg = str(uerror.object, encoding="utf_8", errors="replace")
writemsg(f"!!! {error_msg}\n\n")
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 (OSError, 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, db=self.dbapi
)
# Local package instances override remote instances
# with the same instance_key.
if self.dbapi.cpv_exists(cpv):
continue
if gpkg_only:
try:
binpkg_format = get_binpkg_format(
d.get("PATH"), remote=True
)
except InvalidBinaryPackageFormat as e:
writemsg(
colorize(
"WARN",
f"{e}\n",
),
noiselevel=-1,
)
continue
if binpkg_format != "gpkg":
if not gpkg_only_warned:
writemsg(
colorize(
"WARN",
f"Remote XPAK packages in '{remote_base_uri}' are ignored due to 'binpkg-request-signature'.\n",
),
noiselevel=-1,
)
gpkg_only_warned = True
continue
d["CPV"] = cpv
d["BASE_URI"] = remote_base_uri
d["PKGINDEX_URI"] = url
# FETCHCOMMAND and RESUMECOMMAND may be specified
# by binrepos.conf, and otherwise ensure that they
# do not propagate from the Packages index since
# it may be unsafe to execute remotely specified
# commands.
if repo.fetchcommand is None:
d.pop("FETCHCOMMAND", None)
else:
d["FETCHCOMMAND"] = repo.fetchcommand
if repo.resumecommand is None:
d.pop("RESUMECOMMAND", None)
else:
d["RESUMECOMMAND"] = repo.resumecommand
self._remotepkgs[self.dbapi._instance_key(cpv)] = d
self.dbapi.cpv_inject(cpv)
self._remote_has_index = True
self._merge_pkgindex_header(pkgindex.header, self._pkgindex_header)
def _populate_additional(self, repos):
for repo in repos:
aux_keys = list(set(chain(repo._aux_cache_keys, repo._pkg_str_aux_keys)))
for cpv in repo.cpv_all():
metadata = dict(zip(aux_keys, repo.aux_get(cpv, aux_keys)))
pkg = _pkg_str(cpv, metadata=metadata, settings=repo.settings, db=repo)
instance_key = self.dbapi._instance_key(pkg)
self._additional_pkgs[instance_key] = pkg
self.dbapi.cpv_inject(pkg)
def inject(self, cpv, current_pkg_path=None, allocated_pkg_path=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 current_pkg_path: 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
@param allocated_pkg_path: File path of the package that was newly
allocated or None if it's not allocated.
@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 current_pkg_path is None:
full_path = self.getname(cpv)
else:
full_path = current_pkg_path
try:
s = os.stat(full_path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
del e
writemsg(
f"!!! Binary package does not exist: '{full_path}'\n",
noiselevel=-1,
)
return
try:
metadata = self._read_metadata(full_path, s)
except (PortagePackageException, SignatureException) as e:
writemsg(
f"!!! Invalid binary package: '{full_path}', {e}\n",
noiselevel=-1,
)
return
try:
binpkg_format = get_binpkg_format(full_path)
except InvalidBinaryPackageFormat as e:
writemsg(
f"!!! Invalid binary package: '{full_path}'\n",
noiselevel=-1,
)
return
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, db=self.dbapi)
# 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:
os.makedirs(self.pkgdir, exist_ok=True)
pkgindex_lock = lockfile(self._pkgindex_file, wantnewlockfile=1)
if current_pkg_path is not None:
if allocated_pkg_path is not None:
new_path = allocated_pkg_path
else:
new_path = self.getname(cpv, allocate_new=True)
try:
samefile = os.path.samefile(current_pkg_path, new_path)
except OSError:
samefile = False
if not samefile:
self._ensure_dir(os.path.dirname(new_path))
_movefile(current_pkg_path, new_path, mysettings=self.settings)
full_path = new_path
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 remove(self, cpv: portage.versions._pkg_str) -> None:
"""
Remove a package instance and update internal state including
the package index. This will raise a KeyError if cpv is not
found in the internal state. It will display a warning message
if the package file was not found on disk, since it could have
been removed by another process before this method could
acquire a lock.
@param cpv: The cpv of the existing package to remove
@type cpv: portage.versions._pkg_str
@rtype: None
@return: None
@raise KeyError: If cpv does not exist in the internal state
"""
if not self.populated:
self.populate()
os.makedirs(self.pkgdir, exist_ok=True)
pkgindex_lock = lockfile(self._pkgindex_file, wantnewlockfile=1)
try:
# Will raise KeyError if the package is not found.
instance_key = self.dbapi._instance_key(cpv)
pkg_path = self.getname(cpv)
self.dbapi.cpv_remove(cpv)
self._pkg_paths.pop(instance_key, None)
if self._remotepkgs is not None:
self._remotepkgs.pop(instance_key, None)
pkgindex = self._load_pkgindex()
if not self._pkgindex_version_supported(pkgindex):
pkgindex = self._new_pkgindex()
path = pkg_path[len(self.pkgdir) + 1 :]
for i in range(len(pkgindex.packages) - 1, -1, -1):
d = pkgindex.packages[i]
if cpv == d.get("CPV"):
if path == d.get("PATH", ""):
del pkgindex.packages[i]
self._pkgindex_write(pkgindex)
try:
os.remove(pkg_path)
except OSError as err:
writemsg(
colorize(
"WARN",
f"Failed to remove package: {pkg_path} {str(err)}",
)
)
finally:
unlockfile(pkgindex_lock)
def _read_metadata(self, filename, st, keys=None, binpkg_format=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 = {}
# xpak return key as binary, gpkg return key as str
decode_metadata_name = True
if not binpkg_format:
binpkg_format = get_binpkg_format(filename)
if binpkg_format == "xpak":
binpkg_metadata = portage.xpak.tbz2(filename).get_data()
elif binpkg_format == "gpkg":
binpkg_metadata = portage.gpkg.gpkg(
self.settings, None, filename
).get_metadata()
decode_metadata_name = False
else:
raise InvalidBinaryPackageFormat(
f"Unrecognized binary package format in '{filename}'"
)
for k in keys:
if k == "_mtime_":
metadata[k] = str(st[stat.ST_MTIME])
elif k == "SIZE":
metadata[k] = str(st.st_size)
else:
if decode_metadata_name:
v = binpkg_metadata.get(_unicode_encode(k))
else:
# check gpkg
v = binpkg_metadata.get(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 = int(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_"] = str(st[stat.ST_MTIME])
d["SIZE"] = str(st.st_size)
rel_path = pkg_path[len(self.pkgdir) + 1 :]
# Always record location
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,
)
@staticmethod
def _merge_pkgindex_header(src, dest):
"""
Merge Packages header settings from src to dest, in order to
propagate implicit IUSE and USE_EXPAND settings for use with
binary and installed packages. Values are appended, so the
result is a union of elements from src and dest.
Pull in ARCH if it's not defined, since it's used for validation
by emerge's profile_check function, and also for KEYWORDS logic
in the _getmaskingstatus function.
@param src: source mapping (read only)
@type src: Mapping
@param dest: destination mapping
@type dest: MutableMapping
"""
for k, v in iter_iuse_vars(src):
v_before = dest.get(k)
if v_before is not None:
merged_values = set(v_before.split())
merged_values.update(v.split())
v = " ".join(sorted(merged_values))
dest[k] = v
if "ARCH" not in dest and "ARCH" in src:
dest["ARCH"] = src["ARCH"]
def _propagate_config(self, config):
"""
Propagate implicit IUSE and USE_EXPAND settings from the binary
package database to a config instance. If settings are not
available to propagate, then this will do nothing and return
False.
@param config: config instance
@type config: portage.config
@rtype: bool
@return: True if settings successfully propagated, False if settings
were not available to propagate.
"""
if self._pkgindex_header is None:
return False
self._merge_pkgindex_header(
self._pkgindex_header, config.configdict["defaults"]
)
config.regenerate()
config._init_iuse()
return True
def _update_pkgindex_header(self, header):
"""
Add useful settings to the Packages file header, for use by
binhost clients.
This will return silently if the current profile is invalid or
does not have an IUSE_IMPLICIT variable, since it's useful to
maintain a cache of implicit IUSE settings for use with binary
packages.
"""
if not (self.settings.profile_path and "IUSE_IMPLICIT" in self.settings):
header.setdefault("VERSION", str(self._pkgindex_version))
return
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"] = str(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 (
list(self._pkgindex_header_keys)
+ self.settings.get("USE_EXPAND_IMPLICIT", "").split()
+ self.settings.get("USE_EXPAND_UNPREFIXED", "").split()
):
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(f"{k}: {e}\n", 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(f"mydep: {mydep}\n", 1)
mydep = dep_expand(mydep, mydb=self.dbapi, settings=self.settings)
writemsg(f"mydep: {mydep}\n", 1)
mykey = dep_getkey(mydep)
writemsg(f"mykey: {mykey}\n", 1)
mymatch = best(match_from_list(mydep, self.dbapi.cp_list(mykey)))
writemsg(f"mymatch: {mymatch}\n", 1)
if mymatch is None:
return ""
return mymatch
def getname(self, cpv, allocate_new=None, remote_binpkg_format=None):
return self.getname_build_id(
cpv, allocate_new=allocate_new, remote_binpkg_format=remote_binpkg_format
)[0]
def getname_build_id(self, cpv, allocate_new=None, remote_binpkg_format=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
build_id = None
if allocate_new:
filename, build_id = self._allocate_filename(cpv, remote_binpkg_format)
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)
elif instance_key in self._additional_pkgs:
return (None, None)
if filename is None:
binpkg_format = self.settings.get(
"BINPKG_FORMAT", SUPPORTED_GENTOO_BINPKG_FORMATS[0]
)
if not binpkg_format:
raise InvalidBinaryPackageFormat(
"Unable to determine the binpkg format."
)
elif binpkg_format == "xpak":
if self._multi_instance:
pf = catsplit(cpv)[1]
filename = f"{os.path.join(self.pkgdir, cpv.cp, pf)}-1.xpak"
else:
filename = os.path.join(self.pkgdir, cpv + ".tbz2")
elif binpkg_format == "gpkg":
if self._multi_instance:
pf = catsplit(cpv)[1]
filename = f"{os.path.join(self.pkgdir, cpv.cp, pf)}-1.gpkg.tar"
else:
filename = os.path.join(self.pkgdir, cpv + ".gpkg.tar")
else:
raise InvalidBinaryPackageFormat(f"{binpkg_format}")
return (filename, build_id)
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, remote_binpkg_format=None):
if remote_binpkg_format is None:
try:
binpkg_format = get_binpkg_format(cpv._metadata["PATH"])
except (AttributeError, KeyError):
binpkg_format = self.settings.get(
"BINPKG_FORMAT", SUPPORTED_GENTOO_BINPKG_FORMATS[0]
)
else:
binpkg_format = remote_binpkg_format
# Do not create a new placeholder to avoid overwriting existing binpkgs.
if binpkg_format == "xpak":
return (os.path.join(self.pkgdir, cpv + ".tbz2"), None)
elif binpkg_format == "gpkg":
return (os.path.join(self.pkgdir, cpv + ".gpkg.tar"), None)
else:
raise InvalidBinaryPackageFormat(binpkg_format)
def _allocate_filename_multi(self, cpv, remote_binpkg_format=None):
if remote_binpkg_format is None:
try:
binpkg_format = get_binpkg_format(cpv._metadata["PATH"])
except (AttributeError, KeyError):
binpkg_format = self.settings.get(
"BINPKG_FORMAT", SUPPORTED_GENTOO_BINPKG_FORMATS[0]
)
else:
binpkg_format = remote_binpkg_format
if binpkg_format == "xpak":
binpkg_suffix = "xpak"
elif binpkg_format == "gpkg":
binpkg_suffix = "gpkg.tar"
else:
raise InvalidBinaryPackageFormat(binpkg_format)
# If the preferred path is available then return
# that. This prevents unnecessary build_id incrementation
# triggered when the _max_build_id method counts remote
# build ids.
pf = catsplit(cpv)[1]
if getattr(cpv, "build_id", False):
preferred_path = f"{os.path.join(self.pkgdir, cpv.cp, pf)}-{cpv.build_id}.{binpkg_suffix}"
if not os.path.exists(preferred_path):
try:
# Avoid races
ensure_dirs(os.path.dirname(preferred_path))
with open(preferred_path, "x") as f:
pass
except FileExistsError:
pass
else:
return (preferred_path, cpv.build_id)
# 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.
build_id = max_build_id + 1
while True:
filename = (
f"{os.path.join(self.pkgdir, cpv.cp, pf)}-{build_id}.{binpkg_suffix}"
)
if os.path.exists(filename):
build_id += 1
else:
try:
# Avoid races
ensure_dirs(os.path.dirname(filename))
with open(filename, "x") as f:
pass
except FileExistsError:
build_id += 1
continue
return (filename, build_id)
@staticmethod
def _parse_build_id(filename):
build_id = -1
if filename.endswith(SUPPORTED_XPAK_EXTENSIONS):
suffixlen = len(".xpak")
elif filename.endswith(SUPPORTED_GPKG_EXTENSIONS):
suffixlen = len(".gpkg.tar")
else:
raise InvalidBinaryPackageFormat(filename)
filename = filename[:-suffixlen]
if re.match(r".*-[\w.]*\d+[\w.]*-\d+$", filename):
build_id = int(filename.split("-")[-1])
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:
return False
instance_key = self.dbapi._instance_key(pkgname)
if instance_key not in self._remotepkgs:
return False
if instance_key in self._additional_pkgs:
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
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 = open(
_unicode_encode(
self._pkgindex_file, encoding=_encodings["fs"], errors="strict"
),
encoding=_encodings["repo.content"],
errors="replace",
)
except OSError:
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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