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# Copyright 2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
import errno
import os
import re
from itertools import chain
from portage.util import grabfile, write_atomic, ensure_dirs, normalize_path
from portage.const import PRIVATE_PATH, USER_CONFIG_PATH
from portage.localization import _
from portage.locks import lockfile, unlockfile
from portage import portage_gid
from portage.sets.base import PackageSet, EditablePackageSet
from portage.sets import SetConfigError, SETPREFIX, get_boolean
from portage.env.loaders import ItemFileLoader, KeyListFileLoader
from portage.env.validators import ValidAtomValidator
from portage import dep_getkey, cpv_getkey
__all__ = ["StaticFileSet", "ConfigFileSet", "WorldSet"]
class StaticFileSet(EditablePackageSet):
_operations = ["merge", "unmerge"]
_repopath_match = re.compile(r'.*\$\{repository:(?P<reponame>.+)\}.*')
_repopath_sub = re.compile(r'\$\{repository:(?P<reponame>.+)\}')
def __init__(self, filename, greedy=False, dbapi=None):
super(StaticFileSet, self).__init__()
self._filename = filename
self._mtime = None
self.description = "Package set loaded from file %s" % self._filename
self.loader = ItemFileLoader(self._filename, self._validate)
if greedy and not dbapi:
self.errors.append(_("%s configured as greedy set, but no dbapi instance passed in constructor") % self._filename)
greedy = False
self.greedy = greedy
self.dbapi = dbapi
metadata = grabfile(self._filename + ".metadata")
key = None
value = []
for line in metadata:
line = line.strip()
if len(line) == 0 and key != None:
setattr(self, key, " ".join(value))
key = None
elif line[-1] == ":" and key == None:
key = line[:-1].lower()
value = []
elif key != None:
value.append(line)
else:
pass
else:
if key != None:
setattr(self, key, " ".join(value))
def _validate(self, atom):
return bool(atom[:1] == SETPREFIX or ValidAtomValidator(atom))
def write(self):
write_atomic(self._filename, "".join("%s\n" % (atom,) \
for atom in sorted(chain(self._atoms, self._nonatoms))))
def load(self):
try:
mtime = os.stat(self._filename).st_mtime
except (OSError, IOError):
mtime = None
if (not self._loaded or self._mtime != mtime):
try:
data, errors = self.loader.load()
for fname in errors:
for e in errors[fname]:
self.errors.append(fname+": "+e)
except EnvironmentError, e:
if e.errno != errno.ENOENT:
raise
del e
data = {}
if self.greedy:
atoms = []
for a in data.keys():
matches = self.dbapi.match(a)
for cpv in matches:
atoms.append("%s:%s" % (cpv_getkey(cpv),
self.dbapi.aux_get(cpv, ["SLOT"])[0]))
# In addition to any installed slots, also try to pull
# in the latest new slot that may be available.
atoms.append(a)
else:
atoms = data.keys()
self._setAtoms(atoms)
self._mtime = mtime
def singleBuilder(self, options, settings, trees):
if not "filename" in options:
raise SetConfigError(_("no filename specified"))
greedy = get_boolean(options, "greedy", False)
filename = options["filename"]
# look for repository path variables
match = self._repopath_match.match(filename)
if match:
try:
filename = self._repopath_sub.sub(trees["porttree"].dbapi.treemap[match.groupdict()["reponame"]], filename)
except KeyError:
raise SetConfigError(_("Could not find repository '%s'") % match.groupdict()["reponame"])
return StaticFileSet(filename, greedy=greedy, dbapi=trees["vartree"].dbapi)
singleBuilder = classmethod(singleBuilder)
def multiBuilder(self, options, settings, trees):
rValue = {}
directory = options.get("directory",
os.path.join(settings["PORTAGE_CONFIGROOT"],
USER_CONFIG_PATH, "sets"))
name_pattern = options.get("name_pattern", "${name}")
if not "$name" in name_pattern and not "${name}" in name_pattern:
raise SetConfigError(_("name_pattern doesn't include ${name} placeholder"))
greedy = get_boolean(options, "greedy", False)
# look for repository path variables
match = self._repopath_match.match(directory)
if match:
try:
directory = self._repopath_sub.sub(trees["porttree"].dbapi.treemap[match.groupdict()["reponame"]], directory)
except KeyError:
raise SetConfigError(_("Could not find repository '%s'") % match.groupdict()["reponame"])
if os.path.isdir(directory):
directory = normalize_path(directory)
if isinstance(directory, unicode):
# Avoid UnicodeDecodeError raised from
# os.path.join when called by os.walk.
directory_unicode = directory
directory = directory.encode('utf_8', 'replace')
else:
directory_unicode = unicode(directory,
encoding='utf_8', errors='replace')
for parent, dirs, files in os.walk(directory):
if not isinstance(parent, unicode):
parent = unicode(parent,
encoding='utf_8', errors='replace')
for d in dirs[:]:
if d[:1] == '.':
dirs.remove(d)
for filename in files:
if not isinstance(filename, unicode):
filename = unicode(filename,
encoding='utf_8', errors='replace')
if filename[:1] == '.':
continue
if filename.endswith(".metadata"):
continue
filename = os.path.join(parent,
filename)[1 + len(directory_unicode):]
myname = name_pattern.replace("$name", filename)
myname = myname.replace("${name}", filename)
rValue[myname] = StaticFileSet(
os.path.join(directory, filename),
greedy=greedy, dbapi=trees["vartree"].dbapi)
return rValue
multiBuilder = classmethod(multiBuilder)
class ConfigFileSet(PackageSet):
def __init__(self, filename):
super(ConfigFileSet, self).__init__()
self._filename = filename
self.description = "Package set generated from %s" % self._filename
self.loader = KeyListFileLoader(self._filename, ValidAtomValidator)
def load(self):
data, errors = self.loader.load()
self._setAtoms(data.keys())
def singleBuilder(self, options, settings, trees):
if not "filename" in options:
raise SetConfigError(_("no filename specified"))
return ConfigFileSet(options["filename"])
singleBuilder = classmethod(singleBuilder)
def multiBuilder(self, options, settings, trees):
rValue = {}
directory = options.get("directory",
os.path.join(settings["PORTAGE_CONFIGROOT"], USER_CONFIG_PATH))
name_pattern = options.get("name_pattern", "sets/package_$suffix")
if not "$suffix" in name_pattern and not "${suffix}" in name_pattern:
raise SetConfigError(_("name_pattern doesn't include $suffix placeholder"))
for suffix in ["keywords", "use", "mask", "unmask"]:
myname = name_pattern.replace("$suffix", suffix)
myname = myname.replace("${suffix}", suffix)
rValue[myname] = ConfigFileSet(os.path.join(directory, "package."+suffix))
return rValue
multiBuilder = classmethod(multiBuilder)
class WorldSet(EditablePackageSet):
description = "Set of packages that were directly installed by the user"
def __init__(self, root):
super(WorldSet, self).__init__()
# most attributes exist twice as atoms and non-atoms are stored in
# separate files
self._lock = None
self._filename = os.path.join(os.sep, root, PRIVATE_PATH.lstrip(os.sep), "world")
self.loader = ItemFileLoader(self._filename, self._validate)
self._mtime = None
self._filename2 = os.path.join(os.sep, root, PRIVATE_PATH.lstrip(os.sep), "world_sets")
self.loader2 = ItemFileLoader(self._filename2, self._validate2)
self._mtime2 = None
def _validate(self, atom):
return ValidAtomValidator(atom)
def _validate2(self, setname):
return setname.startswith(SETPREFIX)
def write(self):
write_atomic(self._filename,
"".join(sorted("%s\n" % x for x in self._atoms)))
write_atomic(self._filename2, "\n".join(sorted(self._nonatoms))+"\n")
def load(self):
atoms = []
nonatoms = []
atoms_changed = False
# load atoms and non-atoms from different files so the worldfile is
# backwards-compatible with older versions and other PMs, even though
# it's supposed to be private state data :/
try:
mtime = os.stat(self._filename).st_mtime
except (OSError, IOError):
mtime = None
if (not self._loaded or self._mtime != mtime):
try:
data, errors = self.loader.load()
for fname in errors:
for e in errors[fname]:
self.errors.append(fname+": "+e)
except EnvironmentError, e:
if e.errno != errno.ENOENT:
raise
del e
data = {}
atoms = data.keys()
self._mtime = mtime
atoms_changed = True
else:
atoms.extend(self._atoms)
try:
mtime = os.stat(self._filename2).st_mtime
except (OSError, IOError):
mtime = None
if (not self._loaded or self._mtime2 != mtime):
try:
data, errors = self.loader2.load()
for fname in errors:
for e in errors[fname]:
self.errors.append(fname+": "+e)
except EnvironmentError, e:
if e.errno != errno.ENOENT:
raise
del e
data = {}
nonatoms = data.keys()
self._mtime2 = mtime
atoms_changed = True
else:
nonatoms.extend(self._nonatoms)
if atoms_changed:
self._setAtoms(atoms+nonatoms)
def _ensure_dirs(self):
ensure_dirs(os.path.dirname(self._filename), gid=portage_gid, mode=02750, mask=02)
def lock(self):
self._ensure_dirs()
self._lock = lockfile(self._filename, wantnewlockfile=1)
def unlock(self):
unlockfile(self._lock)
self._lock = None
def cleanPackage(self, vardb, cpv):
self.lock()
self._load() # loads latest from disk
worldlist = list(self._atoms)
mykey = cpv_getkey(cpv)
newworldlist = []
for x in worldlist:
if dep_getkey(x) == mykey:
matches = vardb.match(x, use_cache=0)
if not matches:
#zap our world entry
pass
elif len(matches) == 1 and matches[0] == cpv:
#zap our world entry
pass
else:
#others are around; keep it.
newworldlist.append(x)
else:
#this doesn't match the package we're unmerging; keep it.
newworldlist.append(x)
newworldlist.extend(self._nonatoms)
self.replace(newworldlist)
self.unlock()
def singleBuilder(self, options, settings, trees):
return WorldSet(settings["ROOT"])
singleBuilder = classmethod(singleBuilder)
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