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|
# portage.py -- core Portage functionality
# Copyright 1998-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
from __future__ import print_function
VERSION="$Rev$"[6:-2] + "-svn"
# ===========================================================================
# START OF IMPORTS -- START OF IMPORTS -- START OF IMPORTS -- START OF IMPORT
# ===========================================================================
try:
import sys
import codecs
import copy
import errno
if not hasattr(errno, 'ESTALE'):
# ESTALE may not be defined on some systems, such as interix.
errno.ESTALE = -1
import logging
import re
import time
import types
try:
import cPickle as pickle
except ImportError:
import pickle
import stat
try:
from subprocess import getstatusoutput as subprocess_getstatusoutput
except ImportError:
from commands import getstatusoutput as subprocess_getstatusoutput
try:
from io import StringIO
except ImportError:
# Needed for python-2.6 with USE=build since
# io imports threading which imports thread
# which is unavailable.
from StringIO import StringIO
import platform
import warnings
# Temporarily delete these imports, to ensure that only the
# wrapped versions are imported by portage internals.
import os
del os
import shutil
del shutil
except ImportError as e:
sys.stderr.write("\n\n")
sys.stderr.write("!!! Failed to complete python imports. These are internal modules for\n")
sys.stderr.write("!!! python and failure here indicates that you have a problem with python\n")
sys.stderr.write("!!! itself and thus portage is not able to continue processing.\n\n")
sys.stderr.write("!!! You might consider starting python with verbose flags to see what has\n")
sys.stderr.write("!!! gone wrong. Here is the information we got for this exception:\n")
sys.stderr.write(" "+str(e)+"\n\n");
raise
try:
try:
from collections import OrderedDict
except ImportError:
from portage.cache.mappings import OrderedDict
from portage.cache.cache_errors import CacheError
import portage.proxy.lazyimport
import portage.proxy as proxy
proxy.lazyimport.lazyimport(globals(),
'portage.checksum',
'portage.checksum:perform_checksum,perform_md5,prelink_capable',
'portage.cvstree',
'portage.data',
'portage.data:lchown,ostype,portage_gid,portage_uid,secpass,' + \
'uid,userland,userpriv_groups,wheelgid',
'portage.dbapi',
'portage.dbapi.bintree:bindbapi,binarytree',
'portage.dbapi.porttree:close_portdbapi_caches,FetchlistDict,' + \
'portagetree,portdbapi',
'portage.dbapi.vartree:vardbapi,vartree,dblink',
'portage.dbapi.virtual:fakedbapi',
'portage.dep',
'portage.dep:best_match_to_list,dep_getcpv,dep_getkey,' + \
'flatten,get_operator,isjustname,isspecific,isvalidatom,' + \
'match_from_list,match_to_list',
'portage.eclass_cache',
'portage.env.loaders',
'portage.exception',
'portage.getbinpkg',
'portage.locks',
'portage.locks:lockdir,lockfile,unlockdir,unlockfile',
'portage.mail',
'portage.manifest:Manifest',
'portage.output',
'portage.output:bold,colorize',
'portage.package.ebuild.doebuild:doebuild,' + \
'doebuild_environment,spawn,spawnebuild',
'portage.package.ebuild.config:autouse,best_from_dict,' + \
'check_config_instance,config',
'portage.package.ebuild.fetch:fetch',
'portage.package.ebuild.prepare_build_dirs:prepare_build_dirs',
'portage.process',
'portage.process:atexit_register,run_exitfuncs',
'portage.update:dep_transform,fixdbentries,grab_updates,' + \
'parse_updates,update_config_files,update_dbentries,' + \
'update_dbentry',
'portage.util',
'portage.util:atomic_ofstream,apply_secpass_permissions,' + \
'apply_recursive_permissions,dump_traceback,getconfig,' + \
'grabdict,grabdict_package,grabfile,grabfile_package,' + \
'map_dictlist_vals,new_protect_filename,normalize_path,' + \
'pickle_read,pickle_write,stack_dictlist,stack_dicts,' + \
'stack_lists,unique_array,varexpand,writedict,writemsg,' + \
'writemsg_stdout,write_atomic',
'portage.util.digestgen:digestgen',
'portage.util.digraph:digraph',
'portage.util.env_update:env_update',
'portage.util.ExtractKernelVersion:ExtractKernelVersion',
'portage.util.listdir:cacheddir,listdir',
'portage.versions',
'portage.versions:best,catpkgsplit,catsplit,cpv_getkey,' + \
'cpv_getkey@getCPFromCPV,endversion_keys,' + \
'suffix_value@endversion,pkgcmp,pkgsplit,vercmp,ververify',
'portage.xpak',
)
import portage.const
from portage.const import VDB_PATH, PRIVATE_PATH, CACHE_PATH, DEPCACHE_PATH, \
USER_CONFIG_PATH, MODULES_FILE_PATH, CUSTOM_PROFILE_PATH, PORTAGE_BASE_PATH, \
PORTAGE_BIN_PATH, PORTAGE_PYM_PATH, PROFILE_PATH, LOCALE_DATA_PATH, \
EBUILD_SH_BINARY, SANDBOX_BINARY, BASH_BINARY, \
MOVE_BINARY, PRELINK_BINARY, WORLD_FILE, MAKE_CONF_FILE, MAKE_DEFAULTS_FILE, \
DEPRECATED_PROFILE_FILE, USER_VIRTUALS_FILE, EBUILD_SH_ENV_FILE, \
INVALID_ENV_FILE, CUSTOM_MIRRORS_FILE, CONFIG_MEMORY_FILE,\
INCREMENTALS, EAPI, MISC_SH_BINARY, REPO_NAME_LOC, REPO_NAME_FILE
from portage.localization import _
except ImportError as e:
sys.stderr.write("\n\n")
sys.stderr.write("!!! Failed to complete portage imports. There are internal modules for\n")
sys.stderr.write("!!! portage and failure here indicates that you have a problem with your\n")
sys.stderr.write("!!! installation of portage. Please try a rescue portage located in the\n")
sys.stderr.write("!!! portage tree under '/usr/portage/sys-apps/portage/files/' (default).\n")
sys.stderr.write("!!! There is a README.RESCUE file that details the steps required to perform\n")
sys.stderr.write("!!! a recovery of portage.\n")
sys.stderr.write(" "+str(e)+"\n\n")
raise
if sys.hexversion >= 0x3000000:
basestring = str
long = int
# Assume utf_8 fs encoding everywhere except in merge code, where the
# user's locale is respected.
_encodings = {
'content' : 'utf_8',
'fs' : 'utf_8',
'merge' : sys.getfilesystemencoding(),
'repo.content' : 'utf_8',
'stdio' : 'utf_8',
}
# This can happen if python is built with USE=build (stage 1).
if _encodings['merge'] is None:
_encodings['merge'] = 'ascii'
if sys.hexversion >= 0x3000000:
def _unicode_encode(s, encoding=_encodings['content'], errors='backslashreplace'):
if isinstance(s, str):
s = s.encode(encoding, errors)
return s
def _unicode_decode(s, encoding=_encodings['content'], errors='replace'):
if isinstance(s, bytes):
s = str(s, encoding=encoding, errors=errors)
return s
else:
def _unicode_encode(s, encoding=_encodings['content'], errors='backslashreplace'):
if isinstance(s, unicode):
s = s.encode(encoding, errors)
return s
def _unicode_decode(s, encoding=_encodings['content'], errors='replace'):
if isinstance(s, bytes):
s = unicode(s, encoding=encoding, errors=errors)
return s
class _unicode_func_wrapper(object):
"""
Wraps a function, converts arguments from unicode to bytes,
and return values to unicode from bytes. Function calls
will raise UnicodeEncodeError if an argument fails to be
encoded with the required encoding. Return values that
are single strings are decoded with errors='replace'. Return
values that are lists of strings are decoded with errors='strict'
and elements that fail to be decoded are omitted from the returned
list.
"""
__slots__ = ('_func', '_encoding')
def __init__(self, func, encoding=_encodings['fs']):
self._func = func
self._encoding = encoding
def __call__(self, *args, **kwargs):
encoding = self._encoding
wrapped_args = [_unicode_encode(x, encoding=encoding, errors='strict')
for x in args]
if kwargs:
wrapped_kwargs = dict(
(k, _unicode_encode(v, encoding=encoding, errors='strict'))
for k, v in kwargs.items())
else:
wrapped_kwargs = {}
rval = self._func(*wrapped_args, **wrapped_kwargs)
if isinstance(rval, (list, tuple)):
decoded_rval = []
for x in rval:
try:
x = _unicode_decode(x, encoding=encoding, errors='strict')
except UnicodeDecodeError:
pass
else:
decoded_rval.append(x)
if isinstance(rval, tuple):
rval = tuple(decoded_rval)
else:
rval = decoded_rval
else:
rval = _unicode_decode(rval, encoding=encoding, errors='replace')
return rval
class _unicode_module_wrapper(object):
"""
Wraps a module and wraps all functions with _unicode_func_wrapper.
"""
__slots__ = ('_mod', '_encoding', '_overrides', '_cache')
def __init__(self, mod, encoding=_encodings['fs'], overrides=None, cache=True):
object.__setattr__(self, '_mod', mod)
object.__setattr__(self, '_encoding', encoding)
object.__setattr__(self, '_overrides', overrides)
if cache:
cache = {}
else:
cache = None
object.__setattr__(self, '_cache', cache)
def __getattribute__(self, attr):
cache = object.__getattribute__(self, '_cache')
if cache is not None:
result = cache.get(attr)
if result is not None:
return result
result = getattr(object.__getattribute__(self, '_mod'), attr)
encoding = object.__getattribute__(self, '_encoding')
overrides = object.__getattribute__(self, '_overrides')
override = None
if overrides is not None:
override = overrides.get(id(result))
if override is not None:
result = override
elif isinstance(result, type):
pass
elif type(result) is types.ModuleType:
result = _unicode_module_wrapper(result,
encoding=encoding, overrides=overrides)
elif hasattr(result, '__call__'):
result = _unicode_func_wrapper(result, encoding=encoding)
if cache is not None:
cache[attr] = result
return result
import os as _os
_os_overrides = {
id(_os.fdopen) : _os.fdopen,
id(_os.popen) : _os.popen,
id(_os.read) : _os.read,
id(_os.system) : _os.system,
}
if hasattr(_os, 'statvfs'):
_os_overrides[id(_os.statvfs)] = _os.statvfs
os = _unicode_module_wrapper(_os, overrides=_os_overrides,
encoding=_encodings['fs'])
_os_merge = _unicode_module_wrapper(_os,
encoding=_encodings['merge'], overrides=_os_overrides)
import shutil as _shutil
shutil = _unicode_module_wrapper(_shutil, encoding=_encodings['fs'])
# Imports below this point rely on the above unicode wrapper definitions.
try:
import portage._selinux
selinux = _unicode_module_wrapper(_selinux,
encoding=_encodings['fs'])
_selinux_merge = _unicode_module_wrapper(_selinux,
encoding=_encodings['merge'])
except (ImportError, OSError) as e:
if isinstance(e, OSError):
sys.stderr.write("!!! SELinux not loaded: %s\n" % str(e))
del e
_selinux = None
selinux = None
_selinux_merge = None
# ===========================================================================
# END OF IMPORTS -- END OF IMPORTS -- END OF IMPORTS -- END OF IMPORTS -- END
# ===========================================================================
def _gen_missing_encodings(missing_encodings):
encodings = {}
if 'ascii' in missing_encodings:
class AsciiIncrementalEncoder(codecs.IncrementalEncoder):
def encode(self, input, final=False):
return codecs.ascii_encode(input, self.errors)[0]
class AsciiIncrementalDecoder(codecs.IncrementalDecoder):
def decode(self, input, final=False):
return codecs.ascii_decode(input, self.errors)[0]
class AsciiStreamWriter(codecs.StreamWriter):
encode = codecs.ascii_encode
class AsciiStreamReader(codecs.StreamReader):
decode = codecs.ascii_decode
codec_info = codecs.CodecInfo(
name='ascii',
encode=codecs.ascii_encode,
decode=codecs.ascii_decode,
incrementalencoder=AsciiIncrementalEncoder,
incrementaldecoder=AsciiIncrementalDecoder,
streamwriter=AsciiStreamWriter,
streamreader=AsciiStreamReader,
)
for alias in ('ascii', '646', 'ansi_x3.4_1968', 'ansi_x3_4_1968',
'ansi_x3.4_1986', 'cp367', 'csascii', 'ibm367', 'iso646_us',
'iso_646.irv_1991', 'iso_ir_6', 'us', 'us_ascii'):
encodings[alias] = codec_info
if 'utf_8' in missing_encodings:
def utf8decode(input, errors='strict'):
return codecs.utf_8_decode(input, errors, True)
class Utf8IncrementalEncoder(codecs.IncrementalEncoder):
def encode(self, input, final=False):
return codecs.utf_8_encode(input, self.errors)[0]
class Utf8IncrementalDecoder(codecs.BufferedIncrementalDecoder):
_buffer_decode = codecs.utf_8_decode
class Utf8StreamWriter(codecs.StreamWriter):
encode = codecs.utf_8_encode
class Utf8StreamReader(codecs.StreamReader):
decode = codecs.utf_8_decode
codec_info = codecs.CodecInfo(
name='utf-8',
encode=codecs.utf_8_encode,
decode=utf8decode,
incrementalencoder=Utf8IncrementalEncoder,
incrementaldecoder=Utf8IncrementalDecoder,
streamreader=Utf8StreamReader,
streamwriter=Utf8StreamWriter,
)
for alias in ('utf_8', 'u8', 'utf', 'utf8', 'utf8_ucs2', 'utf8_ucs4'):
encodings[alias] = codec_info
return encodings
def _ensure_default_encoding():
"""
The python that's inside stage 1 or 2 is built with a minimal
configuration which does not include the /usr/lib/pythonX.Y/encodings
directory. This results in error like the following:
LookupError: no codec search functions registered: can't find encoding
In order to solve this problem, detect it early and manually register
a search function for the ascii and utf_8 codecs. Starting with python-3.0
this problem is more noticeable because of stricter handling of encoding
and decoding between strings of characters and bytes.
"""
default_fallback = 'utf_8'
default_encoding = sys.getdefaultencoding().lower().replace('-', '_')
filesystem_encoding = _encodings['merge'].lower().replace('-', '_')
required_encodings = set(['ascii', 'utf_8'])
required_encodings.add(default_encoding)
required_encodings.add(filesystem_encoding)
missing_encodings = set()
for codec_name in required_encodings:
try:
codecs.lookup(codec_name)
except LookupError:
missing_encodings.add(codec_name)
if not missing_encodings:
return
encodings = _gen_missing_encodings(missing_encodings)
if default_encoding in missing_encodings and \
default_encoding not in encodings:
# Make the fallback codec correspond to whatever name happens
# to be returned by sys.getfilesystemencoding().
try:
encodings[default_encoding] = codecs.lookup(default_fallback)
except LookupError:
encodings[default_encoding] = encodings[default_fallback]
if filesystem_encoding in missing_encodings and \
filesystem_encoding not in encodings:
# Make the fallback codec correspond to whatever name happens
# to be returned by sys.getdefaultencoding().
try:
encodings[filesystem_encoding] = codecs.lookup(default_fallback)
except LookupError:
encodings[filesystem_encoding] = encodings[default_fallback]
def search_function(name):
name = name.lower()
name = name.replace('-', '_')
codec_info = encodings.get(name)
if codec_info is not None:
return codecs.CodecInfo(
name=codec_info.name,
encode=codec_info.encode,
decode=codec_info.decode,
incrementalencoder=codec_info.incrementalencoder,
incrementaldecoder=codec_info.incrementaldecoder,
streamreader=codec_info.streamreader,
streamwriter=codec_info.streamwriter,
)
return None
codecs.register(search_function)
del codec_name, default_encoding, default_fallback, \
filesystem_encoding, missing_encodings, \
required_encodings, search_function
# Do this ASAP since writemsg() might not work without it.
_ensure_default_encoding()
def _shell_quote(s):
"""
Quote a string in double-quotes and use backslashes to
escape any backslashes, double-quotes, dollar signs, or
backquotes in the string.
"""
for letter in "\\\"$`":
if letter in s:
s = s.replace(letter, "\\" + letter)
return "\"%s\"" % s
bsd_chflags = None
if platform.system() in ('FreeBSD',):
class bsd_chflags(object):
@classmethod
def chflags(cls, path, flags, opts=""):
cmd = 'chflags %s %o %s' % (opts, flags, _shell_quote(path))
status, output = subprocess_getstatusoutput(cmd)
if os.WIFEXITED(status) and os.WEXITSTATUS(status) == os.EX_OK:
return
# Try to generate an ENOENT error if appropriate.
if 'h' in opts:
_os_merge.lstat(path)
else:
_os_merge.stat(path)
# Make sure the binary exists.
if not portage.process.find_binary('chflags'):
raise portage.exception.CommandNotFound('chflags')
# Now we're not sure exactly why it failed or what
# the real errno was, so just report EPERM.
e = OSError(errno.EPERM, output)
e.errno = errno.EPERM
e.filename = path
e.message = output
raise e
@classmethod
def lchflags(cls, path, flags):
return cls.chflags(path, flags, opts='-h')
def load_mod(name):
modname = ".".join(name.split(".")[:-1])
mod = __import__(modname)
components = name.split('.')
for comp in components[1:]:
mod = getattr(mod, comp)
return mod
def getcwd():
"this fixes situations where the current directory doesn't exist"
try:
return os.getcwd()
except OSError: #dir doesn't exist
os.chdir("/")
return "/"
getcwd()
def abssymlink(symlink):
"This reads symlinks, resolving the relative symlinks, and returning the absolute."
mylink=os.readlink(symlink)
if mylink[0] != '/':
mydir=os.path.dirname(symlink)
mylink=mydir+"/"+mylink
return os.path.normpath(mylink)
_doebuild_manifest_exempt_depend = 0
def digestParseFile(myfilename, mysettings=None):
"""(filename) -- Parses a given file for entries matching:
<checksumkey> <checksum_hex_string> <filename> <filesize>
Ignores lines that don't start with a valid checksum identifier
and returns a dict with the filenames as keys and {checksumkey:checksum}
as the values.
DEPRECATED: this function is now only a compability wrapper for
portage.manifest.Manifest()."""
warnings.warn("portage.digestParseFile() is deprecated",
DeprecationWarning, stacklevel=2)
mysplit = myfilename.split(os.sep)
if mysplit[-2] == "files" and mysplit[-1].startswith("digest-"):
pkgdir = os.sep + os.sep.join(mysplit[:-2]).strip(os.sep)
elif mysplit[-1] == "Manifest":
pkgdir = os.sep + os.sep.join(mysplit[:-1]).strip(os.sep)
if mysettings is None:
global settings
mysettings = config(clone=settings)
return Manifest(pkgdir, mysettings["DISTDIR"]).getDigests()
def digestcheck(myfiles, mysettings, strict=0, justmanifest=0):
"""Verifies checksums. Assumes all files have been downloaded.
DEPRECATED: this is now only a compability wrapper for
portage.manifest.Manifest()."""
if mysettings.get("EBUILD_SKIP_MANIFEST") == "1":
return 1
pkgdir = mysettings["O"]
manifest_path = os.path.join(pkgdir, "Manifest")
if not os.path.exists(manifest_path):
writemsg(_("!!! Manifest file not found: '%s'\n") % manifest_path,
noiselevel=-1)
if strict:
return 0
else:
return 1
mf = Manifest(pkgdir, mysettings["DISTDIR"])
manifest_empty = True
for d in mf.fhashdict.values():
if d:
manifest_empty = False
break
if manifest_empty:
writemsg(_("!!! Manifest is empty: '%s'\n") % manifest_path,
noiselevel=-1)
if strict:
return 0
else:
return 1
eout = portage.output.EOutput()
eout.quiet = mysettings.get("PORTAGE_QUIET", None) == "1"
try:
if strict and "PORTAGE_PARALLEL_FETCHONLY" not in mysettings:
eout.ebegin(_("checking ebuild checksums ;-)"))
mf.checkTypeHashes("EBUILD")
eout.eend(0)
eout.ebegin(_("checking auxfile checksums ;-)"))
mf.checkTypeHashes("AUX")
eout.eend(0)
eout.ebegin(_("checking miscfile checksums ;-)"))
mf.checkTypeHashes("MISC", ignoreMissingFiles=True)
eout.eend(0)
for f in myfiles:
eout.ebegin(_("checking %s ;-)") % f)
ftype = mf.findFile(f)
if ftype is None:
raise KeyError(f)
mf.checkFileHashes(ftype, f)
eout.eend(0)
except KeyError as e:
eout.eend(1)
writemsg(_("\n!!! Missing digest for %s\n") % str(e), noiselevel=-1)
return 0
except portage.exception.FileNotFound as e:
eout.eend(1)
writemsg(_("\n!!! A file listed in the Manifest could not be found: %s\n") % str(e),
noiselevel=-1)
return 0
except portage.exception.DigestException as e:
eout.eend(1)
writemsg(_("\n!!! Digest verification failed:\n"), noiselevel=-1)
writemsg("!!! %s\n" % e.value[0], noiselevel=-1)
writemsg(_("!!! Reason: %s\n") % e.value[1], noiselevel=-1)
writemsg(_("!!! Got: %s\n") % e.value[2], noiselevel=-1)
writemsg(_("!!! Expected: %s\n") % e.value[3], noiselevel=-1)
return 0
# Make sure that all of the ebuilds are actually listed in the Manifest.
glep55 = 'parse-eapi-glep-55' in mysettings.features
for f in os.listdir(pkgdir):
pf = None
if glep55:
pf, eapi = _split_ebuild_name_glep55(f)
elif f[-7:] == '.ebuild':
pf = f[:-7]
if pf is not None and not mf.hasFile("EBUILD", f):
writemsg(_("!!! A file is not listed in the Manifest: '%s'\n") % \
os.path.join(pkgdir, f), noiselevel=-1)
if strict:
return 0
""" epatch will just grab all the patches out of a directory, so we have to
make sure there aren't any foreign files that it might grab."""
filesdir = os.path.join(pkgdir, "files")
for parent, dirs, files in os.walk(filesdir):
try:
parent = _unicode_decode(parent,
encoding=_encodings['fs'], errors='strict')
except UnicodeDecodeError:
parent = _unicode_decode(parent,
encoding=_encodings['fs'], errors='replace')
writemsg(_("!!! Path contains invalid "
"character(s) for encoding '%s': '%s'") \
% (_encodings['fs'], parent), noiselevel=-1)
if strict:
return 0
continue
for d in dirs:
d_bytes = d
try:
d = _unicode_decode(d,
encoding=_encodings['fs'], errors='strict')
except UnicodeDecodeError:
d = _unicode_decode(d,
encoding=_encodings['fs'], errors='replace')
writemsg(_("!!! Path contains invalid "
"character(s) for encoding '%s': '%s'") \
% (_encodings['fs'], os.path.join(parent, d)),
noiselevel=-1)
if strict:
return 0
dirs.remove(d_bytes)
continue
if d.startswith(".") or d == "CVS":
dirs.remove(d_bytes)
for f in files:
try:
f = _unicode_decode(f,
encoding=_encodings['fs'], errors='strict')
except UnicodeDecodeError:
f = _unicode_decode(f,
encoding=_encodings['fs'], errors='replace')
if f.startswith("."):
continue
f = os.path.join(parent, f)[len(filesdir) + 1:]
writemsg(_("!!! File name contains invalid "
"character(s) for encoding '%s': '%s'") \
% (_encodings['fs'], f), noiselevel=-1)
if strict:
return 0
continue
if f.startswith("."):
continue
f = os.path.join(parent, f)[len(filesdir) + 1:]
file_type = mf.findFile(f)
if file_type != "AUX" and not f.startswith("digest-"):
writemsg(_("!!! A file is not listed in the Manifest: '%s'\n") % \
os.path.join(filesdir, f), noiselevel=-1)
if strict:
return 0
return 1
_testing_eapis = frozenset()
_deprecated_eapis = frozenset(["3_pre2", "3_pre1", "2_pre3", "2_pre2", "2_pre1"])
def _eapi_is_deprecated(eapi):
return eapi in _deprecated_eapis
def eapi_is_supported(eapi):
if not isinstance(eapi, basestring):
# Only call str() when necessary since with python2 it
# can trigger UnicodeEncodeError if EAPI is corrupt.
eapi = str(eapi)
eapi = eapi.strip()
if _eapi_is_deprecated(eapi):
return True
if eapi in _testing_eapis:
return True
try:
eapi = int(eapi)
except ValueError:
eapi = -1
if eapi < 0:
return False
return eapi <= portage.const.EAPI
# Generally, it's best not to assume that cache entries for unsupported EAPIs
# can be validated. However, the current package manager specification does not
# guarantee that the EAPI can be parsed without sourcing the ebuild, so
# it's too costly to discard existing cache entries for unsupported EAPIs.
# Therefore, by default, assume that cache entries for unsupported EAPIs can be
# validated. If FEATURES=parse-eapi-* is enabled, this assumption is discarded
# since the EAPI can be determined without the incurring the cost of sourcing
# the ebuild.
_validate_cache_for_unsupported_eapis = True
_parse_eapi_ebuild_head_re = re.compile(r'^EAPI=[\'"]?([^\'"#]*)')
_parse_eapi_ebuild_head_max_lines = 30
def _parse_eapi_ebuild_head(f):
count = 0
for line in f:
m = _parse_eapi_ebuild_head_re.match(line)
if m is not None:
return m.group(1).strip()
count += 1
if count >= _parse_eapi_ebuild_head_max_lines:
break
return '0'
# True when FEATURES=parse-eapi-glep-55 is enabled.
_glep_55_enabled = False
_split_ebuild_name_glep55_re = re.compile(r'^(.*)\.ebuild(-([^.]+))?$')
def _split_ebuild_name_glep55(name):
"""
@returns: (pkg-ver-rev, eapi)
"""
m = _split_ebuild_name_glep55_re.match(name)
if m is None:
return (None, None)
return (m.group(1), m.group(3))
def _movefile(src, dest, **kwargs):
"""Calls movefile and raises a PortageException if an error occurs."""
if movefile(src, dest, **kwargs) is None:
raise portage.exception.PortageException(
"mv '%s' '%s'" % (src, dest))
def movefile(src, dest, newmtime=None, sstat=None, mysettings=None,
hardlink_candidates=None, encoding=_encodings['fs']):
"""moves a file from src to dest, preserving all permissions and attributes; mtime will
be preserved even when moving across filesystems. Returns true on success and false on
failure. Move is atomic."""
#print "movefile("+str(src)+","+str(dest)+","+str(newmtime)+","+str(sstat)+")"
if mysettings is None:
global settings
mysettings = settings
selinux_enabled = mysettings.selinux_enabled()
if selinux_enabled:
selinux = _unicode_module_wrapper(_selinux, encoding=encoding)
lchown = _unicode_func_wrapper(data.lchown, encoding=encoding)
os = _unicode_module_wrapper(_os,
encoding=encoding, overrides=_os_overrides)
shutil = _unicode_module_wrapper(_shutil, encoding=encoding)
try:
if not sstat:
sstat=os.lstat(src)
except SystemExit as e:
raise
except Exception as e:
print(_("!!! Stating source file failed... movefile()"))
print("!!!",e)
return None
destexists=1
try:
dstat=os.lstat(dest)
except (OSError, IOError):
dstat=os.lstat(os.path.dirname(dest))
destexists=0
if bsd_chflags:
if destexists and dstat.st_flags != 0:
bsd_chflags.lchflags(dest, 0)
# Use normal stat/chflags for the parent since we want to
# follow any symlinks to the real parent directory.
pflags = os.stat(os.path.dirname(dest)).st_flags
if pflags != 0:
bsd_chflags.chflags(os.path.dirname(dest), 0)
if destexists:
if stat.S_ISLNK(dstat[stat.ST_MODE]):
try:
os.unlink(dest)
destexists=0
except SystemExit as e:
raise
except Exception as e:
pass
if stat.S_ISLNK(sstat[stat.ST_MODE]):
try:
target=os.readlink(src)
if mysettings and mysettings["D"]:
if target.find(mysettings["D"])==0:
target=target[len(mysettings["D"]):]
if destexists and not stat.S_ISDIR(dstat[stat.ST_MODE]):
os.unlink(dest)
if selinux_enabled:
selinux.symlink(target, dest, src)
else:
os.symlink(target,dest)
lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
# utime() only works on the target of a symlink, so it's not
# possible to perserve mtime on symlinks.
return os.lstat(dest)[stat.ST_MTIME]
except SystemExit as e:
raise
except Exception as e:
print(_("!!! failed to properly create symlink:"))
print("!!!",dest,"->",target)
print("!!!",e)
return None
hardlinked = False
# Since identical files might be merged to multiple filesystems,
# so os.link() calls might fail for some paths, so try them all.
# For atomic replacement, first create the link as a temp file
# and them use os.rename() to replace the destination.
if hardlink_candidates:
head, tail = os.path.split(dest)
hardlink_tmp = os.path.join(head, ".%s._portage_merge_.%s" % \
(tail, os.getpid()))
try:
os.unlink(hardlink_tmp)
except OSError as e:
if e.errno != errno.ENOENT:
writemsg(_("!!! Failed to remove hardlink temp file: %s\n") % \
(hardlink_tmp,), noiselevel=-1)
writemsg("!!! %s\n" % (e,), noiselevel=-1)
return None
del e
for hardlink_src in hardlink_candidates:
try:
os.link(hardlink_src, hardlink_tmp)
except OSError:
continue
else:
try:
os.rename(hardlink_tmp, dest)
except OSError as e:
writemsg(_("!!! Failed to rename %s to %s\n") % \
(hardlink_tmp, dest), noiselevel=-1)
writemsg("!!! %s\n" % (e,), noiselevel=-1)
return None
hardlinked = True
break
renamefailed=1
if hardlinked:
renamefailed = False
if not hardlinked and (selinux_enabled or sstat.st_dev == dstat.st_dev):
try:
if selinux_enabled:
ret = selinux.rename(src, dest)
else:
ret=os.rename(src,dest)
renamefailed=0
except OSError as e:
if e.errno != errno.EXDEV:
# Some random error.
print(_("!!! Failed to move %(src)s to %(dest)s") % {"src": src, "dest": dest})
print("!!!",e)
return None
# Invalid cross-device-link 'bind' mounted or actually Cross-Device
if renamefailed:
didcopy=0
if stat.S_ISREG(sstat[stat.ST_MODE]):
try: # For safety copy then move it over.
if selinux_enabled:
selinux.copyfile(src, dest + "#new")
selinux.rename(dest + "#new", dest)
else:
shutil.copyfile(src,dest+"#new")
os.rename(dest+"#new",dest)
didcopy=1
except SystemExit as e:
raise
except Exception as e:
print(_('!!! copy %(src)s -> %(dest)s failed.') % {"src": src, "dest": dest})
print("!!!",e)
return None
else:
#we don't yet handle special, so we need to fall back to /bin/mv
a = process.spawn([MOVE_BINARY, '-f', src, dest], env=os.environ)
if a != os.EX_OK:
writemsg(_("!!! Failed to move special file:\n"), noiselevel=-1)
writemsg(_("!!! '%(src)s' to '%(dest)s'\n") % \
{"src": _unicode_decode(src, encoding=encoding),
"dest": _unicode_decode(dest, encoding=encoding)}, noiselevel=-1)
writemsg("!!! %s\n" % a, noiselevel=-1)
return None # failure
try:
if didcopy:
if stat.S_ISLNK(sstat[stat.ST_MODE]):
lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
else:
os.chown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
os.chmod(dest, stat.S_IMODE(sstat[stat.ST_MODE])) # Sticky is reset on chown
os.unlink(src)
except SystemExit as e:
raise
except Exception as e:
print(_("!!! Failed to chown/chmod/unlink in movefile()"))
print("!!!",dest)
print("!!!",e)
return None
# Always use stat_obj[stat.ST_MTIME] for the integral timestamp which
# is returned, since the stat_obj.st_mtime float attribute rounds *up*
# if the nanosecond part of the timestamp is 999999881 ns or greater.
try:
if hardlinked:
newmtime = os.stat(dest)[stat.ST_MTIME]
else:
# Note: It is not possible to preserve nanosecond precision
# (supported in POSIX.1-2008 via utimensat) with the IEEE 754
# double precision float which only has a 53 bit significand.
if newmtime is not None:
os.utime(dest, (newmtime, newmtime))
else:
newmtime = sstat[stat.ST_MTIME]
if renamefailed:
# If rename succeeded then timestamps are automatically
# preserved with complete precision because the source
# and destination inode are the same. Otherwise, round
# down to the nearest whole second since python's float
# st_mtime cannot be used to preserve the st_mtim.tv_nsec
# field with complete precision. Note that we have to use
# stat_obj[stat.ST_MTIME] here because the float
# stat_obj.st_mtime rounds *up* sometimes.
os.utime(dest, (newmtime, newmtime))
except OSError:
# The utime can fail here with EPERM even though the move succeeded.
# Instead of failing, use stat to return the mtime if possible.
try:
newmtime = os.stat(dest)[stat.ST_MTIME]
except OSError as e:
writemsg(_("!!! Failed to stat in movefile()\n"), noiselevel=-1)
writemsg("!!! %s\n" % dest, noiselevel=-1)
writemsg("!!! %s\n" % str(e), noiselevel=-1)
return None
if bsd_chflags:
# Restore the flags we saved before moving
if pflags:
bsd_chflags.chflags(os.path.dirname(dest), pflags)
return newmtime
def merge(mycat, mypkg, pkgloc, infloc, myroot, mysettings, myebuild=None,
mytree=None, mydbapi=None, vartree=None, prev_mtimes=None, blockers=None,
scheduler=None):
if not os.access(myroot, os.W_OK):
writemsg(_("Permission denied: access('%s', W_OK)\n") % myroot,
noiselevel=-1)
return errno.EACCES
mylink = dblink(mycat, mypkg, myroot, mysettings, treetype=mytree,
vartree=vartree, blockers=blockers, scheduler=scheduler)
return mylink.merge(pkgloc, infloc, myroot, myebuild,
mydbapi=mydbapi, prev_mtimes=prev_mtimes)
def unmerge(cat, pkg, myroot, mysettings, mytrimworld=1, vartree=None,
ldpath_mtimes=None, scheduler=None):
mylink = dblink(cat, pkg, myroot, mysettings, treetype="vartree",
vartree=vartree, scheduler=scheduler)
vartree = mylink.vartree
try:
mylink.lockdb()
if mylink.exists():
vartree.dbapi.plib_registry.load()
vartree.dbapi.plib_registry.pruneNonExisting()
retval = mylink.unmerge(trimworld=mytrimworld, cleanup=1,
ldpath_mtimes=ldpath_mtimes)
if retval == os.EX_OK:
mylink.delete()
return retval
return os.EX_OK
finally:
vartree.dbapi.linkmap._clear_cache()
mylink.unlockdb()
def dep_virtual(mysplit, mysettings):
"Does virtual dependency conversion"
warnings.warn("portage.dep_virtual() is deprecated",
DeprecationWarning, stacklevel=2)
newsplit=[]
myvirtuals = mysettings.getvirtuals()
for x in mysplit:
if isinstance(x, list):
newsplit.append(dep_virtual(x, mysettings))
else:
mykey=dep_getkey(x)
mychoices = myvirtuals.get(mykey, None)
if mychoices:
if len(mychoices) == 1:
a = x.replace(mykey, dep_getkey(mychoices[0]), 1)
else:
if x[0]=="!":
# blocker needs "and" not "or(||)".
a=[]
else:
a=['||']
for y in mychoices:
a.append(x.replace(mykey, dep_getkey(y), 1))
newsplit.append(a)
else:
newsplit.append(x)
return newsplit
def _expand_new_virtuals(mysplit, edebug, mydbapi, mysettings, myroot="/",
trees=None, use_mask=None, use_force=None, **kwargs):
"""
In order to solve bug #141118, recursively expand new-style virtuals so
as to collapse one or more levels of indirection, generating an expanded
search space. In dep_zapdeps, new-style virtuals will be assigned
zero cost regardless of whether or not they are currently installed. Virtual
blockers are supported but only when the virtual expands to a single
atom because it wouldn't necessarily make sense to block all the components
of a compound virtual. When more than one new-style virtual is matched,
the matches are sorted from highest to lowest versions and the atom is
expanded to || ( highest match ... lowest match )."""
newsplit = []
mytrees = trees[myroot]
portdb = mytrees["porttree"].dbapi
atom_graph = mytrees.get("atom_graph")
parent = mytrees.get("parent")
virt_parent = mytrees.get("virt_parent")
graph_parent = None
eapi = None
if parent is not None:
if virt_parent is not None:
graph_parent = virt_parent
eapi = virt_parent[0].metadata['EAPI']
else:
graph_parent = parent
eapi = parent.metadata["EAPI"]
repoman = not mysettings.local_config
if kwargs["use_binaries"]:
portdb = trees[myroot]["bintree"].dbapi
myvirtuals = mysettings.getvirtuals()
pprovideddict = mysettings.pprovideddict
myuse = kwargs["myuse"]
for x in mysplit:
if x == "||":
newsplit.append(x)
continue
elif isinstance(x, list):
newsplit.append(_expand_new_virtuals(x, edebug, mydbapi,
mysettings, myroot=myroot, trees=trees, use_mask=use_mask,
use_force=use_force, **kwargs))
continue
if not isinstance(x, portage.dep.Atom):
try:
x = portage.dep.Atom(x)
except portage.exception.InvalidAtom:
if portage.dep._dep_check_strict:
raise portage.exception.ParseError(
_("invalid atom: '%s'") % x)
else:
# Only real Atom instances are allowed past this point.
continue
else:
if x.blocker and x.blocker.overlap.forbid and \
eapi in ("0", "1") and portage.dep._dep_check_strict:
raise portage.exception.ParseError(
_("invalid atom: '%s'") % (x,))
if x.use and eapi in ("0", "1") and \
portage.dep._dep_check_strict:
raise portage.exception.ParseError(
_("invalid atom: '%s'") % (x,))
if repoman and x.use and x.use.conditional:
evaluated_atom = portage.dep.remove_slot(x)
if x.slot:
evaluated_atom += ":%s" % x.slot
evaluated_atom += str(x.use._eval_qa_conditionals(
use_mask, use_force))
x = portage.dep.Atom(evaluated_atom)
if not repoman and \
myuse is not None and isinstance(x, portage.dep.Atom) and x.use:
if x.use.conditional:
x = x.evaluate_conditionals(myuse)
mykey = x.cp
if not mykey.startswith("virtual/"):
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
mychoices = myvirtuals.get(mykey, [])
if x.blocker:
# Virtual blockers are no longer expanded here since
# the un-expanded virtual atom is more useful for
# maintaining a cache of blocker atoms.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
if repoman or not hasattr(portdb, 'match_pkgs'):
if portdb.cp_list(x.cp):
newsplit.append(x)
else:
# TODO: Add PROVIDE check for repoman.
a = []
for y in mychoices:
a.append(dep.Atom(x.replace(x.cp, y.cp, 1)))
if not a:
newsplit.append(x)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(['||'] + a)
continue
pkgs = []
# Ignore USE deps here, since otherwise we might not
# get any matches. Choices with correct USE settings
# will be preferred in dep_zapdeps().
matches = portdb.match_pkgs(x.without_use)
# Use descending order to prefer higher versions.
matches.reverse()
for pkg in matches:
# only use new-style matches
if pkg.cp.startswith("virtual/"):
pkgs.append(pkg)
if not (pkgs or mychoices):
# This one couldn't be expanded as a new-style virtual. Old-style
# virtuals have already been expanded by dep_virtual, so this one
# is unavailable and dep_zapdeps will identify it as such. The
# atom is not eliminated here since it may still represent a
# dependency that needs to be satisfied.
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
continue
a = []
for pkg in pkgs:
virt_atom = '=' + pkg.cpv
if x.use:
virt_atom += str(x.use)
virt_atom = dep.Atom(virt_atom)
# According to GLEP 37, RDEPEND is the only dependency
# type that is valid for new-style virtuals. Repoman
# should enforce this.
depstring = pkg.metadata['RDEPEND']
pkg_kwargs = kwargs.copy()
pkg_kwargs["myuse"] = pkg.use.enabled
if edebug:
util.writemsg_level(_("Virtual Parent: %s\n") \
% (pkg,), noiselevel=-1, level=logging.DEBUG)
util.writemsg_level(_("Virtual Depstring: %s\n") \
% (depstring,), noiselevel=-1, level=logging.DEBUG)
# Set EAPI used for validation in dep_check() recursion.
mytrees["virt_parent"] = (pkg, virt_atom)
try:
mycheck = dep_check(depstring, mydbapi, mysettings,
myroot=myroot, trees=trees, **pkg_kwargs)
finally:
# Restore previous EAPI after recursion.
if virt_parent is not None:
mytrees["virt_parent"] = virt_parent
else:
del mytrees["virt_parent"]
if not mycheck[0]:
raise portage.exception.ParseError(
"%s: %s '%s'" % (y[0], mycheck[1], depstring))
# pull in the new-style virtual
mycheck[1].append(virt_atom)
a.append(mycheck[1])
if atom_graph is not None:
atom_graph.add(virt_atom, graph_parent)
# Plain old-style virtuals. New-style virtuals are preferred.
if not pkgs:
for y in mychoices:
new_atom = dep.Atom(x.replace(x.cp, y.cp, 1))
matches = portdb.match(new_atom)
# portdb is an instance of depgraph._dep_check_composite_db, so
# USE conditionals are already evaluated.
if matches and mykey in \
portdb.aux_get(matches[-1], ['PROVIDE'])[0].split():
a.append(new_atom)
if atom_graph is not None:
atom_graph.add(new_atom, graph_parent)
if not a and mychoices:
# Check for a virtual package.provided match.
for y in mychoices:
new_atom = dep.Atom(x.replace(x.cp, y.cp, 1))
if match_from_list(new_atom,
pprovideddict.get(new_atom.cp, [])):
a.append(new_atom)
if atom_graph is not None:
atom_graph.add(new_atom, graph_parent)
if not a:
newsplit.append(x)
if atom_graph is not None:
atom_graph.add(x, graph_parent)
elif len(a) == 1:
newsplit.append(a[0])
else:
newsplit.append(['||'] + a)
return newsplit
def dep_eval(deplist):
if not deplist:
return 1
if deplist[0]=="||":
#or list; we just need one "1"
for x in deplist[1:]:
if isinstance(x, list):
if dep_eval(x)==1:
return 1
elif x==1:
return 1
#XXX: unless there's no available atoms in the list
#in which case we need to assume that everything is
#okay as some ebuilds are relying on an old bug.
if len(deplist) == 1:
return 1
return 0
else:
for x in deplist:
if isinstance(x, list):
if dep_eval(x)==0:
return 0
elif x==0 or x==2:
return 0
return 1
def dep_zapdeps(unreduced, reduced, myroot, use_binaries=0, trees=None):
"""Takes an unreduced and reduced deplist and removes satisfied dependencies.
Returned deplist contains steps that must be taken to satisfy dependencies."""
if trees is None:
global db
trees = db
writemsg("ZapDeps -- %s\n" % (use_binaries), 2)
if not reduced or unreduced == ["||"] or dep_eval(reduced):
return []
if unreduced[0] != "||":
unresolved = []
for x, satisfied in zip(unreduced, reduced):
if isinstance(x, list):
unresolved += dep_zapdeps(x, satisfied, myroot,
use_binaries=use_binaries, trees=trees)
elif not satisfied:
unresolved.append(x)
return unresolved
# We're at a ( || atom ... ) type level and need to make a choice
deps = unreduced[1:]
satisfieds = reduced[1:]
# Our preference order is for an the first item that:
# a) contains all unmasked packages with the same key as installed packages
# b) contains all unmasked packages
# c) contains masked installed packages
# d) is the first item
preferred_installed = []
preferred_in_graph = []
preferred_any_slot = []
preferred_non_installed = []
unsat_use_in_graph = []
unsat_use_installed = []
unsat_use_non_installed = []
other = []
# unsat_use_* must come after preferred_non_installed
# for correct ordering in cases like || ( foo[a] foo[b] ).
choice_bins = (
preferred_in_graph,
preferred_installed,
preferred_any_slot,
preferred_non_installed,
unsat_use_in_graph,
unsat_use_installed,
unsat_use_non_installed,
other,
)
# Alias the trees we'll be checking availability against
parent = trees[myroot].get("parent")
priority = trees[myroot].get("priority")
graph_db = trees[myroot].get("graph_db")
vardb = None
if "vartree" in trees[myroot]:
vardb = trees[myroot]["vartree"].dbapi
if use_binaries:
mydbapi = trees[myroot]["bintree"].dbapi
else:
mydbapi = trees[myroot]["porttree"].dbapi
# Sort the deps into installed, not installed but already
# in the graph and other, not installed and not in the graph
# and other, with values of [[required_atom], availablility]
for x, satisfied in zip(deps, satisfieds):
if isinstance(x, list):
atoms = dep_zapdeps(x, satisfied, myroot,
use_binaries=use_binaries, trees=trees)
else:
atoms = [x]
if vardb is None:
# When called by repoman, we can simply return the first choice
# because dep_eval() handles preference selection.
return atoms
all_available = True
all_use_satisfied = True
slot_map = {}
cp_map = {}
for atom in atoms:
if atom.blocker:
continue
# Ignore USE dependencies here since we don't want USE
# settings to adversely affect || preference evaluation.
avail_pkg = mydbapi.match(atom.without_use)
if avail_pkg:
avail_pkg = avail_pkg[-1] # highest (ascending order)
avail_slot = dep.Atom("%s:%s" % (atom.cp,
mydbapi.aux_get(avail_pkg, ["SLOT"])[0]))
if not avail_pkg:
all_available = False
all_use_satisfied = False
break
if atom.use:
avail_pkg_use = mydbapi.match(atom)
if not avail_pkg_use:
all_use_satisfied = False
else:
# highest (ascending order)
avail_pkg_use = avail_pkg_use[-1]
if avail_pkg_use != avail_pkg:
avail_pkg = avail_pkg_use
avail_slot = dep.Atom("%s:%s" % (atom.cp,
mydbapi.aux_get(avail_pkg, ["SLOT"])[0]))
slot_map[avail_slot] = avail_pkg
pkg_cp = cpv_getkey(avail_pkg)
highest_cpv = cp_map.get(pkg_cp)
if highest_cpv is None or \
pkgcmp(catpkgsplit(avail_pkg)[1:],
catpkgsplit(highest_cpv)[1:]) > 0:
cp_map[pkg_cp] = avail_pkg
this_choice = (atoms, slot_map, cp_map, all_available)
if all_available:
# The "all installed" criterion is not version or slot specific.
# If any version of a package is already in the graph then we
# assume that it is preferred over other possible packages choices.
all_installed = True
for atom in set(dep.Atom(atom.cp) for atom in atoms \
if not atom.blocker):
# New-style virtuals have zero cost to install.
if not vardb.match(atom) and not atom.startswith("virtual/"):
all_installed = False
break
all_installed_slots = False
if all_installed:
all_installed_slots = True
for slot_atom in slot_map:
# New-style virtuals have zero cost to install.
if not vardb.match(slot_atom) and \
not slot_atom.startswith("virtual/"):
all_installed_slots = False
break
if graph_db is None:
if all_use_satisfied:
if all_installed:
if all_installed_slots:
preferred_installed.append(this_choice)
else:
preferred_any_slot.append(this_choice)
else:
preferred_non_installed.append(this_choice)
else:
if all_installed_slots:
unsat_use_installed.append(this_choice)
else:
unsat_use_non_installed.append(this_choice)
else:
all_in_graph = True
for slot_atom in slot_map:
# New-style virtuals have zero cost to install.
if not graph_db.match(slot_atom) and \
not slot_atom.startswith("virtual/"):
all_in_graph = False
break
circular_atom = None
if all_in_graph:
if parent is None or priority is None:
pass
elif priority.buildtime:
# Check if the atom would result in a direct circular
# dependency and try to avoid that if it seems likely
# to be unresolvable. This is only relevant for
# buildtime deps that aren't already satisfied by an
# installed package.
cpv_slot_list = [parent]
for atom in atoms:
if atom.blocker:
continue
if vardb.match(atom):
# If the atom is satisfied by an installed
# version then it's not a circular dep.
continue
if atom.cp != parent.cp:
continue
if match_from_list(atom, cpv_slot_list):
circular_atom = atom
break
if circular_atom is not None:
other.append(this_choice)
else:
if all_use_satisfied:
if all_in_graph:
preferred_in_graph.append(this_choice)
elif all_installed:
if all_installed_slots:
preferred_installed.append(this_choice)
else:
preferred_any_slot.append(this_choice)
else:
preferred_non_installed.append(this_choice)
else:
if all_in_graph:
unsat_use_in_graph.append(this_choice)
elif all_installed_slots:
unsat_use_installed.append(this_choice)
else:
unsat_use_non_installed.append(this_choice)
else:
other.append(this_choice)
# Prefer choices which contain upgrades to higher slots. This helps
# for deps such as || ( foo:1 foo:2 ), where we want to prefer the
# atom which matches the higher version rather than the atom furthest
# to the left. Sorting is done separately for each of choice_bins, so
# as not to interfere with the ordering of the bins. Because of the
# bin separation, the main function of this code is to allow
# --depclean to remove old slots (rather than to pull in new slots).
for choices in choice_bins:
if len(choices) < 2:
continue
for choice_1 in choices[1:]:
atoms_1, slot_map_1, cp_map_1, all_available_1 = choice_1
cps = set(cp_map_1)
for choice_2 in choices:
if choice_1 is choice_2:
# choice_1 will not be promoted, so move on
break
atoms_2, slot_map_2, cp_map_2, all_available_2 = choice_2
intersecting_cps = cps.intersection(cp_map_2)
if not intersecting_cps:
continue
has_upgrade = False
has_downgrade = False
for cp in intersecting_cps:
version_1 = cp_map_1[cp]
version_2 = cp_map_2[cp]
difference = pkgcmp(catpkgsplit(version_1)[1:],
catpkgsplit(version_2)[1:])
if difference != 0:
if difference > 0:
has_upgrade = True
else:
has_downgrade = True
break
if has_upgrade and not has_downgrade:
# promote choice_1 in front of choice_2
choices.remove(choice_1)
index_2 = choices.index(choice_2)
choices.insert(index_2, choice_1)
break
for allow_masked in (False, True):
for choices in choice_bins:
for atoms, slot_map, cp_map, all_available in choices:
if all_available or allow_masked:
return atoms
assert(False) # This point should not be reachable
def dep_expand(mydep, mydb=None, use_cache=1, settings=None):
'''
@rtype: Atom
'''
if not len(mydep):
return mydep
if mydep[0]=="*":
mydep=mydep[1:]
orig_dep = mydep
if isinstance(orig_dep, dep.Atom):
mydep = orig_dep.cp
else:
mydep = orig_dep
has_cat = '/' in orig_dep
if not has_cat:
alphanum = re.search(r'\w', orig_dep)
if alphanum:
mydep = orig_dep[:alphanum.start()] + "null/" + \
orig_dep[alphanum.start():]
try:
mydep = dep.Atom(mydep)
except exception.InvalidAtom:
# Missing '=' prefix is allowed for backward compatibility.
if not dep.isvalidatom("=" + mydep):
raise
mydep = dep.Atom('=' + mydep)
orig_dep = '=' + orig_dep
if not has_cat:
null_cat, pn = catsplit(mydep.cp)
mydep = pn
else:
mydep = mydep.cp
expanded = cpv_expand(mydep, mydb=mydb,
use_cache=use_cache, settings=settings)
return portage.dep.Atom(orig_dep.replace(mydep, expanded, 1))
def dep_check(depstring, mydbapi, mysettings, use="yes", mode=None, myuse=None,
use_cache=1, use_binaries=0, myroot="/", trees=None):
"""Takes a depend string and parses the condition."""
edebug = mysettings.get("PORTAGE_DEBUG", None) == "1"
#check_config_instance(mysettings)
if trees is None:
trees = globals()["db"]
if use=="yes":
if myuse is None:
#default behavior
myusesplit = mysettings["PORTAGE_USE"].split()
else:
myusesplit = myuse
# We've been given useflags to use.
#print "USE FLAGS PASSED IN."
#print myuse
#if "bindist" in myusesplit:
# print "BINDIST is set!"
#else:
# print "BINDIST NOT set."
else:
#we are being run by autouse(), don't consult USE vars yet.
# WE ALSO CANNOT USE SETTINGS
myusesplit=[]
#convert parenthesis to sublists
try:
mysplit = portage.dep.paren_reduce(depstring)
except portage.exception.InvalidDependString as e:
return [0, str(e)]
mymasks = set()
useforce = set()
useforce.add(mysettings["ARCH"])
if use == "all":
# This masking/forcing is only for repoman. In other cases, relevant
# masking/forcing should have already been applied via
# config.regenerate(). Also, binary or installed packages may have
# been built with flags that are now masked, and it would be
# inconsistent to mask them now. Additionally, myuse may consist of
# flags from a parent package that is being merged to a $ROOT that is
# different from the one that mysettings represents.
mymasks.update(mysettings.usemask)
mymasks.update(mysettings.archlist())
mymasks.discard(mysettings["ARCH"])
useforce.update(mysettings.useforce)
useforce.difference_update(mymasks)
try:
mysplit = portage.dep.use_reduce(mysplit, uselist=myusesplit,
masklist=mymasks, matchall=(use=="all"), excludeall=useforce)
except portage.exception.InvalidDependString as e:
return [0, str(e)]
# Do the || conversions
mysplit=portage.dep.dep_opconvert(mysplit)
if mysplit == []:
#dependencies were reduced to nothing
return [1,[]]
# Recursively expand new-style virtuals so as to
# collapse one or more levels of indirection.
try:
mysplit = _expand_new_virtuals(mysplit, edebug, mydbapi, mysettings,
use=use, mode=mode, myuse=myuse,
use_force=useforce, use_mask=mymasks, use_cache=use_cache,
use_binaries=use_binaries, myroot=myroot, trees=trees)
except portage.exception.ParseError as e:
return [0, str(e)]
mysplit2=mysplit[:]
mysplit2=dep_wordreduce(mysplit2,mysettings,mydbapi,mode,use_cache=use_cache)
if mysplit2 is None:
return [0, _("Invalid token")]
writemsg("\n\n\n", 1)
writemsg("mysplit: %s\n" % (mysplit), 1)
writemsg("mysplit2: %s\n" % (mysplit2), 1)
try:
selected_atoms = dep_zapdeps(mysplit, mysplit2, myroot,
use_binaries=use_binaries, trees=trees)
except portage.exception.InvalidAtom as e:
if portage.dep._dep_check_strict:
raise # This shouldn't happen.
# dbapi.match() failed due to an invalid atom in
# the dependencies of an installed package.
return [0, _("Invalid atom: '%s'") % (e,)]
return [1, selected_atoms]
def dep_wordreduce(mydeplist,mysettings,mydbapi,mode,use_cache=1):
"Reduces the deplist to ones and zeros"
deplist=mydeplist[:]
for mypos, token in enumerate(deplist):
if isinstance(deplist[mypos], list):
#recurse
deplist[mypos]=dep_wordreduce(deplist[mypos],mysettings,mydbapi,mode,use_cache=use_cache)
elif deplist[mypos]=="||":
pass
elif token[:1] == "!":
deplist[mypos] = False
else:
mykey = deplist[mypos].cp
if mysettings and mykey in mysettings.pprovideddict and \
match_from_list(deplist[mypos], mysettings.pprovideddict[mykey]):
deplist[mypos]=True
elif mydbapi is None:
# Assume nothing is satisfied. This forces dep_zapdeps to
# return all of deps the deps that have been selected
# (excluding those satisfied by package.provided).
deplist[mypos] = False
else:
if mode:
x = mydbapi.xmatch(mode, deplist[mypos])
if mode.startswith("minimum-"):
mydep = []
if x:
mydep.append(x)
else:
mydep = x
else:
mydep=mydbapi.match(deplist[mypos],use_cache=use_cache)
if mydep!=None:
tmp=(len(mydep)>=1)
if deplist[mypos][0]=="!":
tmp=False
deplist[mypos]=tmp
else:
#encountered invalid string
return None
return deplist
def cpv_expand(mycpv, mydb=None, use_cache=1, settings=None):
"""Given a string (packagename or virtual) expand it into a valid
cat/package string. Virtuals use the mydb to determine which provided
virtual is a valid choice and defaults to the first element when there
are no installed/available candidates."""
myslash=mycpv.split("/")
mysplit = versions._pkgsplit(myslash[-1])
if settings is None:
settings = globals()["settings"]
virts = settings.getvirtuals()
virts_p = settings.get_virts_p()
if len(myslash)>2:
# this is illegal case.
mysplit=[]
mykey=mycpv
elif len(myslash)==2:
if mysplit:
mykey=myslash[0]+"/"+mysplit[0]
else:
mykey=mycpv
if mydb and virts and mykey in virts:
writemsg("mydb.__class__: %s\n" % (mydb.__class__), 1)
if hasattr(mydb, "cp_list"):
if not mydb.cp_list(mykey, use_cache=use_cache):
writemsg("virts[%s]: %s\n" % (str(mykey),virts[mykey]), 1)
mykey_orig = mykey[:]
for vkey in virts[mykey]:
# The virtuals file can contain a versioned atom, so
# it may be necessary to remove the operator and
# version from the atom before it is passed into
# dbapi.cp_list().
if mydb.cp_list(vkey.cp):
mykey = str(vkey)
writemsg(_("virts chosen: %s\n") % (mykey), 1)
break
if mykey == mykey_orig:
mykey = str(virts[mykey][0])
writemsg(_("virts defaulted: %s\n") % (mykey), 1)
#we only perform virtual expansion if we are passed a dbapi
else:
#specific cpv, no category, ie. "foo-1.0"
if mysplit:
myp=mysplit[0]
else:
# "foo" ?
myp=mycpv
mykey=None
matches=[]
if mydb and hasattr(mydb, "categories"):
for x in mydb.categories:
if mydb.cp_list(x+"/"+myp,use_cache=use_cache):
matches.append(x+"/"+myp)
if len(matches) > 1:
virtual_name_collision = False
if len(matches) == 2:
for x in matches:
if not x.startswith("virtual/"):
# Assume that the non-virtual is desired. This helps
# avoid the ValueError for invalid deps that come from
# installed packages (during reverse blocker detection,
# for example).
mykey = x
else:
virtual_name_collision = True
if not virtual_name_collision:
# AmbiguousPackageName inherits from ValueError,
# for backward compatibility with calling code
# that already handles ValueError.
raise portage.exception.AmbiguousPackageName(matches)
elif matches:
mykey=matches[0]
if not mykey and not isinstance(mydb, list):
if myp in virts_p:
mykey=virts_p[myp][0]
#again, we only perform virtual expansion if we have a dbapi (not a list)
if not mykey:
mykey="null/"+myp
if mysplit:
if mysplit[2]=="r0":
return mykey+"-"+mysplit[1]
else:
return mykey+"-"+mysplit[1]+"-"+mysplit[2]
else:
return mykey
def getmaskingreason(mycpv, metadata=None, settings=None, portdb=None, return_location=False):
from portage.util import grablines
if settings is None:
settings = globals()["settings"]
if portdb is None:
portdb = globals()["portdb"]
mysplit = catpkgsplit(mycpv)
if not mysplit:
raise ValueError(_("invalid CPV: %s") % mycpv)
if metadata is None:
db_keys = list(portdb._aux_cache_keys)
try:
metadata = dict(zip(db_keys, portdb.aux_get(mycpv, db_keys)))
except KeyError:
if not portdb.cpv_exists(mycpv):
raise
if metadata is None:
# Can't access SLOT due to corruption.
cpv_slot_list = [mycpv]
else:
cpv_slot_list = ["%s:%s" % (mycpv, metadata["SLOT"])]
mycp=mysplit[0]+"/"+mysplit[1]
# XXX- This is a temporary duplicate of code from the config constructor.
locations = [os.path.join(settings["PORTDIR"], "profiles")]
locations.extend(settings.profiles)
for ov in settings["PORTDIR_OVERLAY"].split():
profdir = os.path.join(normalize_path(ov), "profiles")
if os.path.isdir(profdir):
locations.append(profdir)
locations.append(os.path.join(settings["PORTAGE_CONFIGROOT"],
USER_CONFIG_PATH))
locations.reverse()
pmasklists = [(x, grablines(os.path.join(x, "package.mask"), recursive=1)) for x in locations]
if mycp in settings.pmaskdict:
for x in settings.pmaskdict[mycp]:
if match_from_list(x, cpv_slot_list):
for pmask in pmasklists:
comment = ""
comment_valid = -1
pmask_filename = os.path.join(pmask[0], "package.mask")
for i in range(len(pmask[1])):
l = pmask[1][i].strip()
if l == "":
comment = ""
comment_valid = -1
elif l[0] == "#":
comment += (l+"\n")
comment_valid = i + 1
elif l == x:
if comment_valid != i:
comment = ""
if return_location:
return (comment, pmask_filename)
else:
return comment
elif comment_valid != -1:
# Apparently this comment applies to muliple masks, so
# it remains valid until a blank line is encountered.
comment_valid += 1
if return_location:
return (None, None)
else:
return None
def getmaskingstatus(mycpv, settings=None, portdb=None):
if settings is None:
settings = config(clone=globals()["settings"])
if portdb is None:
portdb = globals()["portdb"]
metadata = None
installed = False
if not isinstance(mycpv, basestring):
# emerge passed in a Package instance
pkg = mycpv
mycpv = pkg.cpv
metadata = pkg.metadata
installed = pkg.installed
mysplit = catpkgsplit(mycpv)
if not mysplit:
raise ValueError(_("invalid CPV: %s") % mycpv)
if metadata is None:
db_keys = list(portdb._aux_cache_keys)
try:
metadata = dict(zip(db_keys, portdb.aux_get(mycpv, db_keys)))
except KeyError:
if not portdb.cpv_exists(mycpv):
raise
return ["corruption"]
if "?" in metadata["LICENSE"]:
settings.setcpv(mycpv, mydb=metadata)
metadata["USE"] = settings["PORTAGE_USE"]
else:
metadata["USE"] = ""
mycp=mysplit[0]+"/"+mysplit[1]
rValue = []
# profile checking
if settings._getProfileMaskAtom(mycpv, metadata):
rValue.append("profile")
# package.mask checking
if settings._getMaskAtom(mycpv, metadata):
rValue.append("package.mask")
# keywords checking
eapi = metadata["EAPI"]
mygroups = settings._getKeywords(mycpv, metadata)
licenses = metadata["LICENSE"]
properties = metadata["PROPERTIES"]
slot = metadata["SLOT"]
if eapi.startswith("-"):
eapi = eapi[1:]
if not eapi_is_supported(eapi):
return ["EAPI %s" % eapi]
elif _eapi_is_deprecated(eapi) and not installed:
return ["EAPI %s" % eapi]
egroups = settings.configdict["backupenv"].get(
"ACCEPT_KEYWORDS", "").split()
pgroups = settings["ACCEPT_KEYWORDS"].split()
myarch = settings["ARCH"]
if pgroups and myarch not in pgroups:
"""For operating systems other than Linux, ARCH is not necessarily a
valid keyword."""
myarch = pgroups[0].lstrip("~")
cp = cpv_getkey(mycpv)
pkgdict = settings.pkeywordsdict.get(cp)
matches = False
if pkgdict:
cpv_slot_list = ["%s:%s" % (mycpv, metadata["SLOT"])]
for atom, pkgkeywords in pkgdict.items():
if match_from_list(atom, cpv_slot_list):
matches = True
pgroups.extend(pkgkeywords)
if matches or egroups:
pgroups.extend(egroups)
inc_pgroups = set()
for x in pgroups:
if x.startswith("-"):
if x == "-*":
inc_pgroups.clear()
else:
inc_pgroups.discard(x[1:])
else:
inc_pgroups.add(x)
pgroups = inc_pgroups
del inc_pgroups
kmask = "missing"
if '**' in pgroups:
kmask = None
else:
for keyword in pgroups:
if keyword in mygroups:
kmask = None
break
if kmask:
fallback = None
for gp in mygroups:
if gp=="*":
kmask=None
break
elif gp=="-"+myarch and myarch in pgroups:
kmask="-"+myarch
break
elif gp=="~"+myarch and myarch in pgroups:
kmask="~"+myarch
break
try:
missing_licenses = settings._getMissingLicenses(mycpv, metadata)
if missing_licenses:
allowed_tokens = set(["||", "(", ")"])
allowed_tokens.update(missing_licenses)
license_split = licenses.split()
license_split = [x for x in license_split \
if x in allowed_tokens]
msg = license_split[:]
msg.append("license(s)")
rValue.append(" ".join(msg))
except portage.exception.InvalidDependString as e:
rValue.append("LICENSE: "+str(e))
try:
missing_properties = settings._getMissingProperties(mycpv, metadata)
if missing_properties:
allowed_tokens = set(["||", "(", ")"])
allowed_tokens.update(missing_properties)
properties_split = properties.split()
properties_split = [x for x in properties_split \
if x in allowed_tokens]
msg = properties_split[:]
msg.append("properties")
rValue.append(" ".join(msg))
except portage.exception.InvalidDependString as e:
rValue.append("PROPERTIES: "+str(e))
# Only show KEYWORDS masks for installed packages
# if they're not masked for any other reason.
if kmask and (not installed or not rValue):
rValue.append(kmask+" keyword")
return rValue
auxdbkeys = (
'DEPEND', 'RDEPEND', 'SLOT', 'SRC_URI',
'RESTRICT', 'HOMEPAGE', 'LICENSE', 'DESCRIPTION',
'KEYWORDS', 'INHERITED', 'IUSE', 'UNUSED_00',
'PDEPEND', 'PROVIDE', 'EAPI',
'PROPERTIES', 'DEFINED_PHASES', 'UNUSED_05', 'UNUSED_04',
'UNUSED_03', 'UNUSED_02', 'UNUSED_01',
)
auxdbkeylen=len(auxdbkeys)
def pkgmerge(mytbz2, myroot, mysettings, mydbapi=None,
vartree=None, prev_mtimes=None, blockers=None):
"""will merge a .tbz2 file, returning a list of runtime dependencies
that must be satisfied, or None if there was a merge error. This
code assumes the package exists."""
warnings.warn("portage.pkgmerge() is deprecated",
DeprecationWarning, stacklevel=2)
global db
if mydbapi is None:
mydbapi = db[myroot]["bintree"].dbapi
if vartree is None:
vartree = db[myroot]["vartree"]
if mytbz2[-5:]!=".tbz2":
print(_("!!! Not a .tbz2 file"))
return 1
tbz2_lock = None
mycat = None
mypkg = None
did_merge_phase = False
success = False
try:
""" Don't lock the tbz2 file because the filesytem could be readonly or
shared by a cluster."""
#tbz2_lock = portage.locks.lockfile(mytbz2, wantnewlockfile=1)
mypkg = os.path.basename(mytbz2)[:-5]
xptbz2 = portage.xpak.tbz2(mytbz2)
mycat = xptbz2.getfile(_unicode_encode("CATEGORY",
encoding=_encodings['repo.content']))
if not mycat:
writemsg(_("!!! CATEGORY info missing from info chunk, aborting...\n"),
noiselevel=-1)
return 1
mycat = _unicode_decode(mycat,
encoding=_encodings['repo.content'], errors='replace')
mycat = mycat.strip()
# These are the same directories that would be used at build time.
builddir = os.path.join(
mysettings["PORTAGE_TMPDIR"], "portage", mycat, mypkg)
catdir = os.path.dirname(builddir)
pkgloc = os.path.join(builddir, "image")
infloc = os.path.join(builddir, "build-info")
myebuild = os.path.join(
infloc, os.path.basename(mytbz2)[:-4] + "ebuild")
portage.util.ensure_dirs(os.path.dirname(catdir),
uid=portage_uid, gid=portage_gid, mode=0o70, mask=0)
catdir_lock = portage.locks.lockdir(catdir)
portage.util.ensure_dirs(catdir,
uid=portage_uid, gid=portage_gid, mode=0o70, mask=0)
try:
shutil.rmtree(builddir)
except (IOError, OSError) as e:
if e.errno != errno.ENOENT:
raise
del e
for mydir in (builddir, pkgloc, infloc):
portage.util.ensure_dirs(mydir, uid=portage_uid,
gid=portage_gid, mode=0o755)
writemsg_stdout(_(">>> Extracting info\n"))
xptbz2.unpackinfo(infloc)
mysettings.setcpv(mycat + "/" + mypkg, mydb=mydbapi)
# Store the md5sum in the vdb.
fp = open(_unicode_encode(os.path.join(infloc, 'BINPKGMD5')), 'w')
fp.write(str(portage.checksum.perform_md5(mytbz2))+"\n")
fp.close()
# This gives bashrc users an opportunity to do various things
# such as remove binary packages after they're installed.
mysettings["PORTAGE_BINPKG_FILE"] = mytbz2
mysettings.backup_changes("PORTAGE_BINPKG_FILE")
debug = mysettings.get("PORTAGE_DEBUG", "") == "1"
# Eventually we'd like to pass in the saved ebuild env here.
retval = doebuild(myebuild, "setup", myroot, mysettings, debug=debug,
tree="bintree", mydbapi=mydbapi, vartree=vartree)
if retval != os.EX_OK:
writemsg(_("!!! Setup failed: %s\n") % retval, noiselevel=-1)
return retval
writemsg_stdout(_(">>> Extracting %s\n") % mypkg)
retval = portage.process.spawn_bash(
"bzip2 -dqc -- '%s' | tar -xp -C '%s' -f -" % (mytbz2, pkgloc),
env=mysettings.environ())
if retval != os.EX_OK:
writemsg(_("!!! Error Extracting '%s'\n") % mytbz2, noiselevel=-1)
return retval
#portage.locks.unlockfile(tbz2_lock)
#tbz2_lock = None
mylink = dblink(mycat, mypkg, myroot, mysettings, vartree=vartree,
treetype="bintree", blockers=blockers)
retval = mylink.merge(pkgloc, infloc, myroot, myebuild, cleanup=0,
mydbapi=mydbapi, prev_mtimes=prev_mtimes)
did_merge_phase = True
success = retval == os.EX_OK
return retval
finally:
mysettings.pop("PORTAGE_BINPKG_FILE", None)
if tbz2_lock:
portage.locks.unlockfile(tbz2_lock)
if True:
if not did_merge_phase:
# The merge phase handles this already. Callers don't know how
# far this function got, so we have to call elog_process() here
# so that it's only called once.
from portage.elog import elog_process
elog_process(mycat + "/" + mypkg, mysettings)
try:
if success:
shutil.rmtree(builddir)
except (IOError, OSError) as e:
if e.errno != errno.ENOENT:
raise
del e
def deprecated_profile_check(settings=None):
config_root = "/"
if settings is not None:
config_root = settings["PORTAGE_CONFIGROOT"]
deprecated_profile_file = os.path.join(config_root,
DEPRECATED_PROFILE_FILE)
if not os.access(deprecated_profile_file, os.R_OK):
return False
dcontent = codecs.open(_unicode_encode(deprecated_profile_file,
encoding=_encodings['fs'], errors='strict'),
mode='r', encoding=_encodings['content'], errors='replace').readlines()
writemsg(colorize("BAD", _("\n!!! Your current profile is "
"deprecated and not supported anymore.")) + "\n", noiselevel=-1)
writemsg(colorize("BAD", _("!!! Use eselect profile to update your "
"profile.")) + "\n", noiselevel=-1)
if not dcontent:
writemsg(colorize("BAD", _("!!! Please refer to the "
"Gentoo Upgrading Guide.")) + "\n", noiselevel=-1)
return True
newprofile = dcontent[0]
writemsg(colorize("BAD", _("!!! Please upgrade to the "
"following profile if possible:")) + "\n", noiselevel=-1)
writemsg(8*" " + colorize("GOOD", newprofile) + "\n", noiselevel=-1)
if len(dcontent) > 1:
writemsg(_("To upgrade do the following steps:\n"), noiselevel=-1)
for myline in dcontent[1:]:
writemsg(myline, noiselevel=-1)
writemsg("\n\n", noiselevel=-1)
return True
# gets virtual package settings
def getvirtuals(myroot):
"""
Calls portage.settings.getvirtuals().
@deprecated: Use portage.settings.getvirtuals().
"""
global settings
warnings.warn("portage.getvirtuals() is deprecated",
DeprecationWarning, stacklevel=2)
return settings.getvirtuals()
def commit_mtimedb(mydict=None, filename=None):
if mydict is None:
global mtimedb
if "mtimedb" not in globals() or mtimedb is None:
return
mtimedb.commit()
return
if filename is None:
global mtimedbfile
filename = mtimedbfile
mydict["version"] = VERSION
d = {} # for full backward compat, pickle it as a plain dict object.
d.update(mydict)
try:
f = atomic_ofstream(filename, mode='wb')
pickle.dump(d, f, protocol=2)
f.close()
portage.util.apply_secpass_permissions(filename,
uid=uid, gid=portage_gid, mode=0o644)
except (IOError, OSError) as e:
pass
def portageexit():
global uid,portage_gid,portdb,db
if secpass and os.environ.get("SANDBOX_ON") != "1":
close_portdbapi_caches()
commit_mtimedb()
atexit_register(portageexit)
def _global_updates(trees, prev_mtimes):
"""
Perform new global updates if they exist in $PORTDIR/profiles/updates/.
@param trees: A dictionary containing portage trees.
@type trees: dict
@param prev_mtimes: A dictionary containing mtimes of files located in
$PORTDIR/profiles/updates/.
@type prev_mtimes: dict
@rtype: None or List
@return: None if no were no updates, otherwise a list of update commands
that have been performed.
"""
# only do this if we're root and not running repoman/ebuild digest
global secpass
if secpass < 2 or "SANDBOX_ACTIVE" in os.environ:
return
root = "/"
mysettings = trees["/"]["vartree"].settings
updpath = os.path.join(mysettings["PORTDIR"], "profiles", "updates")
try:
if mysettings["PORTAGE_CALLER"] == "fixpackages":
update_data = grab_updates(updpath)
else:
update_data = grab_updates(updpath, prev_mtimes)
except portage.exception.DirectoryNotFound:
writemsg(_("--- 'profiles/updates' is empty or "
"not available. Empty portage tree?\n"), noiselevel=1)
return
myupd = None
if len(update_data) > 0:
do_upgrade_packagesmessage = 0
myupd = []
timestamps = {}
for mykey, mystat, mycontent in update_data:
writemsg_stdout("\n\n")
writemsg_stdout(colorize("GOOD",
_("Performing Global Updates: "))+bold(mykey)+"\n")
writemsg_stdout(_("(Could take a couple of minutes if you have a lot of binary packages.)\n"))
writemsg_stdout(_(" %s='update pass' %s='binary update' "
"%s='/var/db update' %s='/var/db move'\n"
" %s='/var/db SLOT move' %s='binary move' "
"%s='binary SLOT move'\n %s='update /etc/portage/package.*'\n") % \
(bold("."), bold("*"), bold("#"), bold("@"), bold("s"), bold("%"), bold("S"), bold("p")))
valid_updates, errors = parse_updates(mycontent)
myupd.extend(valid_updates)
writemsg_stdout(len(valid_updates) * "." + "\n")
if len(errors) == 0:
# Update our internal mtime since we
# processed all of our directives.
timestamps[mykey] = mystat[stat.ST_MTIME]
else:
for msg in errors:
writemsg("%s\n" % msg, noiselevel=-1)
world_file = os.path.join(root, WORLD_FILE)
world_list = grabfile(world_file)
world_modified = False
for update_cmd in myupd:
for pos, atom in enumerate(world_list):
new_atom = update_dbentry(update_cmd, atom)
if atom != new_atom:
world_list[pos] = new_atom
world_modified = True
if world_modified:
world_list.sort()
write_atomic(world_file,
"".join("%s\n" % (x,) for x in world_list))
update_config_files("/",
mysettings.get("CONFIG_PROTECT","").split(),
mysettings.get("CONFIG_PROTECT_MASK","").split(),
myupd)
trees["/"]["bintree"] = binarytree("/", mysettings["PKGDIR"],
settings=mysettings)
vardb = trees["/"]["vartree"].dbapi
bindb = trees["/"]["bintree"].dbapi
if not os.access(bindb.bintree.pkgdir, os.W_OK):
bindb = None
for update_cmd in myupd:
if update_cmd[0] == "move":
moves = vardb.move_ent(update_cmd)
if moves:
writemsg_stdout(moves * "@")
if bindb:
moves = bindb.move_ent(update_cmd)
if moves:
writemsg_stdout(moves * "%")
elif update_cmd[0] == "slotmove":
moves = vardb.move_slot_ent(update_cmd)
if moves:
writemsg_stdout(moves * "s")
if bindb:
moves = bindb.move_slot_ent(update_cmd)
if moves:
writemsg_stdout(moves * "S")
# The above global updates proceed quickly, so they
# are considered a single mtimedb transaction.
if len(timestamps) > 0:
# We do not update the mtime in the mtimedb
# until after _all_ of the above updates have
# been processed because the mtimedb will
# automatically commit when killed by ctrl C.
for mykey, mtime in timestamps.items():
prev_mtimes[mykey] = mtime
# We gotta do the brute force updates for these now.
if mysettings["PORTAGE_CALLER"] == "fixpackages" or \
"fixpackages" in mysettings.features:
def onUpdate(maxval, curval):
if curval > 0:
writemsg_stdout("#")
vardb.update_ents(myupd, onUpdate=onUpdate)
if bindb:
def onUpdate(maxval, curval):
if curval > 0:
writemsg_stdout("*")
bindb.update_ents(myupd, onUpdate=onUpdate)
else:
do_upgrade_packagesmessage = 1
# Update progress above is indicated by characters written to stdout so
# we print a couple new lines here to separate the progress output from
# what follows.
print()
print()
if do_upgrade_packagesmessage and bindb and \
bindb.cpv_all():
writemsg_stdout(_(" ** Skipping packages. Run 'fixpackages' or set it in FEATURES to fix the tbz2's in the packages directory.\n"))
writemsg_stdout(bold(_("Note: This can take a very long time.")))
writemsg_stdout("\n")
if myupd:
return myupd
#continue setting up other trees
class MtimeDB(dict):
def __init__(self, filename):
dict.__init__(self)
self.filename = filename
self._load(filename)
def _load(self, filename):
try:
f = open(_unicode_encode(filename), 'rb')
mypickle = pickle.Unpickler(f)
try:
mypickle.find_global = None
except AttributeError:
# TODO: If py3k, override Unpickler.find_class().
pass
d = mypickle.load()
f.close()
del f
except (IOError, OSError, EOFError, ValueError, pickle.UnpicklingError) as e:
if isinstance(e, pickle.UnpicklingError):
writemsg(_("!!! Error loading '%s': %s\n") % \
(filename, str(e)), noiselevel=-1)
del e
d = {}
if "old" in d:
d["updates"] = d["old"]
del d["old"]
if "cur" in d:
del d["cur"]
d.setdefault("starttime", 0)
d.setdefault("version", "")
for k in ("info", "ldpath", "updates"):
d.setdefault(k, {})
mtimedbkeys = set(("info", "ldpath", "resume", "resume_backup",
"starttime", "updates", "version"))
for k in list(d):
if k not in mtimedbkeys:
writemsg(_("Deleting invalid mtimedb key: %s\n") % str(k))
del d[k]
self.update(d)
self._clean_data = copy.deepcopy(d)
def commit(self):
if not self.filename:
return
d = {}
d.update(self)
# Only commit if the internal state has changed.
if d != self._clean_data:
commit_mtimedb(mydict=d, filename=self.filename)
self._clean_data = copy.deepcopy(d)
def create_trees(config_root=None, target_root=None, trees=None):
if trees is None:
trees = {}
else:
# clean up any existing portdbapi instances
for myroot in trees:
portdb = trees[myroot]["porttree"].dbapi
portdb.close_caches()
portdbapi.portdbapi_instances.remove(portdb)
del trees[myroot]["porttree"], myroot, portdb
settings = config(config_root=config_root, target_root=target_root,
config_incrementals=portage.const.INCREMENTALS)
settings.lock()
myroots = [(settings["ROOT"], settings)]
if settings["ROOT"] != "/":
# When ROOT != "/" we only want overrides from the calling
# environment to apply to the config that's associated
# with ROOT != "/", so pass a nearly empty dict for the env parameter.
clean_env = {}
for k in ('PATH', 'TERM'):
v = settings.get(k)
if v is not None:
clean_env[k] = v
settings = config(config_root=None, target_root="/", env=clean_env)
settings.lock()
myroots.append((settings["ROOT"], settings))
for myroot, mysettings in myroots:
trees[myroot] = portage.util.LazyItemsDict(trees.get(myroot, {}))
trees[myroot].addLazySingleton("virtuals", mysettings.getvirtuals, myroot)
trees[myroot].addLazySingleton(
"vartree", vartree, myroot, categories=mysettings.categories,
settings=mysettings)
trees[myroot].addLazySingleton("porttree",
portagetree, myroot, settings=mysettings)
trees[myroot].addLazySingleton("bintree",
binarytree, myroot, mysettings["PKGDIR"], settings=mysettings)
return trees
class _LegacyGlobalProxy(proxy.objectproxy.ObjectProxy):
"""
Instances of these serve as proxies to global variables
that are initialized on demand.
"""
__slots__ = ('_name',)
def __init__(self, name):
proxy.objectproxy.ObjectProxy.__init__(self)
object.__setattr__(self, '_name', name)
def _get_target(self):
init_legacy_globals()
name = object.__getattribute__(self, '_name')
return globals()[name]
class _PortdbProxy(proxy.objectproxy.ObjectProxy):
"""
The portdb is initialized separately from the rest
of the variables, since sometimes the other variables
are needed while the portdb is not.
"""
__slots__ = ()
def _get_target(self):
init_legacy_globals()
global db, portdb, root, _portdb_initialized
if not _portdb_initialized:
portdb = db[root]["porttree"].dbapi
_portdb_initialized = True
return portdb
class _MtimedbProxy(proxy.objectproxy.ObjectProxy):
"""
The mtimedb is independent from the portdb and other globals.
"""
__slots__ = ('_name',)
def __init__(self, name):
proxy.objectproxy.ObjectProxy.__init__(self)
object.__setattr__(self, '_name', name)
def _get_target(self):
global mtimedb, mtimedbfile, _mtimedb_initialized
if not _mtimedb_initialized:
mtimedbfile = os.path.join(os.path.sep,
CACHE_PATH, "mtimedb")
mtimedb = MtimeDB(mtimedbfile)
_mtimedb_initialized = True
name = object.__getattribute__(self, '_name')
return globals()[name]
_legacy_global_var_names = ("archlist", "db", "features",
"groups", "mtimedb", "mtimedbfile", "pkglines",
"portdb", "profiledir", "root", "selinux_enabled",
"settings", "thirdpartymirrors", "usedefaults")
def _disable_legacy_globals():
"""
This deletes the ObjectProxy instances that are used
for lazy initialization of legacy global variables.
The purpose of deleting them is to prevent new code
from referencing these deprecated variables.
"""
global _legacy_global_var_names
for k in _legacy_global_var_names:
globals().pop(k, None)
# Initialization of legacy globals. No functions/classes below this point
# please! When the above functions and classes become independent of the
# below global variables, it will be possible to make the below code
# conditional on a backward compatibility flag (backward compatibility could
# be disabled via an environment variable, for example). This will enable new
# code that is aware of this flag to import portage without the unnecessary
# overhead (and other issues!) of initializing the legacy globals.
def init_legacy_globals():
global _globals_initialized
if _globals_initialized:
return
_globals_initialized = True
global db, settings, root, portdb, selinux_enabled, mtimedbfile, mtimedb, \
archlist, features, groups, pkglines, thirdpartymirrors, usedefaults, \
profiledir, flushmtimedb
# Portage needs to ensure a sane umask for the files it creates.
os.umask(0o22)
kwargs = {}
for k, envvar in (("config_root", "PORTAGE_CONFIGROOT"), ("target_root", "ROOT")):
kwargs[k] = os.environ.get(envvar, "/")
global _initializing_globals
_initializing_globals = True
db = create_trees(**kwargs)
del _initializing_globals
settings = db["/"]["vartree"].settings
for myroot in db:
if myroot != "/":
settings = db[myroot]["vartree"].settings
break
root = settings["ROOT"]
output._init(config_root=settings['PORTAGE_CONFIGROOT'])
# ========================================================================
# COMPATIBILITY
# These attributes should not be used
# within Portage under any circumstances.
# ========================================================================
archlist = settings.archlist()
features = settings.features
groups = settings["ACCEPT_KEYWORDS"].split()
pkglines = settings.packages
selinux_enabled = settings.selinux_enabled()
thirdpartymirrors = settings.thirdpartymirrors()
usedefaults = settings.use_defs
profiledir = os.path.join(settings["PORTAGE_CONFIGROOT"], PROFILE_PATH)
if not os.path.isdir(profiledir):
profiledir = None
def flushmtimedb(record):
writemsg("portage.flushmtimedb() is DEPRECATED\n")
# ========================================================================
# COMPATIBILITY
# These attributes should not be used
# within Portage under any circumstances.
# ========================================================================
if True:
_mtimedb_initialized = False
mtimedb = _MtimedbProxy("mtimedb")
mtimedbfile = _MtimedbProxy("mtimedbfile")
_portdb_initialized = False
portdb = _PortdbProxy()
_globals_initialized = False
for k in ("db", "settings", "root", "selinux_enabled",
"archlist", "features", "groups",
"pkglines", "thirdpartymirrors", "usedefaults", "profiledir",
"flushmtimedb"):
globals()[k] = _LegacyGlobalProxy(k)
# Clear the cache
dircache={}
# ============================================================================
# ============================================================================
|