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#
# Copyright (c) 2004 Conectiva, Inc.
#
# Written by Gustavo Niemeyer <niemeyer@conectiva.com>
#
# This file is part of Smart Package Manager.
#
# Smart Package Manager is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# Smart Package Manager is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Smart Package Manager; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import cPickle
import sys, os
import copy
import time
import tempfile
import tarfile
from smart.transaction import ChangeSet, ChangeSetSplitter, INSTALL, REMOVE
from smart.util.filetools import compareFiles, setCloseOnExecAll
from smart.util.objdigest import getObjectDigest
from smart.util.pathlocks import PathLocks
from smart.util.strtools import strToBool
from smart.util.metalink import Metalink, Metafile
from smart.searcher import Searcher
from smart.media import MediaSet
from smart.progress import Progress
from smart.fetcher import Fetcher
from smart.report import Report
from smart.channel import *
from smart.cache import *
from smart.const import *
from smart import *
if sys.version_info < (2, 4):
from sets import Set as set
class Control(object):
def __init__(self, confpath=None, forcelocks=False):
self._confpath = None
self._channels = {} # alias -> Channel()
self._sysconfchannels = {} # alias -> data dict
self._dynamicchannels = {} # alias -> Channel()
self._pathlocks = PathLocks(forcelocks)
self._cache = Cache()
self.loadSysConf(confpath)
self._fetcher = Fetcher()
self._mediaset = self._fetcher.getMediaSet()
self._achanset = AvailableChannelSet(self._fetcher)
self._cachechanged = False
def getChannels(self):
return self._channels.values()
def removeChannel(self, alias):
channel = self._channels[alias]
if isinstance(channel, PackageChannel):
channel.removeLoaders()
del self._channels[alias]
if alias in self._sysconfchannels:
del self._sysconfchannels[alias]
if alias in self._dynamicchannels:
del self._dynamicchannels[alias]
def getFileChannels(self):
return [x for x in self._channels.values()
if isinstance(x, FileChannel)]
def checkPackageFile(self, arg):
if os.path.exists(arg):
if filter(None, hooks.call("check-package-file", arg)):
return True
if (os.path.isfile(arg) and os.path.getsize(arg) > 0 and
tarfile.is_tarfile(arg)):
return True
return False
def addFileChannel(self, filename):
if not self._sysconfchannels:
# Give a chance for backends to register
# themselves on FileChannel hooks.
self.rebuildSysConfChannels()
found = False
for channel in hooks.call("create-file-channel", filename):
if channel:
if channel.getAlias() in self._channels:
raise Error, _("There's another channel with alias '%s'") \
% channel.getAlias()
self._channels[channel.getAlias()] = channel
found = True
if not found and tarfile.is_tarfile(filename):
tempdir = tempfile.mkdtemp()
iface.debug("Extracting from %s to %s" % (filename, tempdir))
tarball = tarfile.open(filename, 'r')
names = tarball.getnames()
for name in names:
tarball.extract(name, path=tempdir)
tarball.close()
files = os.listdir(tempdir)
for file in files:
path = os.path.join(tempdir, file)
if os.path.isdir(path) and file == "RPMS":
for rpm in os.listdir(path):
files.append(os.path.join(path, rpm))
if os.path.isfile(path) and self.checkPackageFile(path):
self.addFileChannel(path)
found = True
if not found:
raise Error, _("Unable to create channel for file: %s") % filename
def removeFileChannel(self, filename):
filename = os.path.abspath(filename)
for channel in self._channels.values():
if (isinstance(channel, FileChannel) and
channel.getFileName() == filename):
channel.removeLoaders()
break
else:
raise Error, _("Channel not found for '%s'") % filename
def askForRemovableChannels(self, channels):
removable = [(str(x), x) for x in channels if x.isRemovable()]
if not removable:
return True
removable.sort()
removable = [x for name, x in removable]
self._mediaset.umountAll()
if not iface.insertRemovableChannels(removable):
return False
self._mediaset.mountAll()
return True
def getCache(self):
return self._cache
def getFetcher(self):
return self._fetcher
def getMediaSet(self):
return self._mediaset
def restoreMediaState(self):
self._mediaset.restoreState()
__stateversion__ = 2
def loadSysConf(self, confpath=None):
datadir = sysconf.get("data-dir")
if confpath:
confpath = os.path.expanduser(confpath)
if not os.path.isfile(confpath):
raise Error, _("Configuration file not found: %s") % confpath
sysconf.load(confpath)
else:
confpath = os.path.join(datadir, CONFFILE)
if os.path.isfile(confpath):
sysconf.load(confpath)
self._confpath = confpath
if os.path.isdir(datadir):
writable = os.access(datadir, os.W_OK)
else:
try:
os.makedirs(datadir)
writable = True
except OSError:
raise Error, _("Can't create datadir at %s") % datadir
if writable and not self._pathlocks.lock(datadir, exclusive=True):
writable = False
sysconf.setReadOnly(not writable)
def saveSysConf(self, confpath=None):
msys = self._fetcher.getMirrorSystem()
if msys.getHistoryChanged() and not sysconf.getReadOnly():
sysconf.set("mirrors-history", msys.getHistory())
if confpath:
confpath = os.path.expanduser(confpath)
else:
if sysconf.getReadOnly():
return
if self._cachechanged:
cachepath = os.path.join(sysconf.get("data-dir"), "cache")
if sysconf.get("disk-cache", True):
iface.showStatus(_("Saving cache..."))
cachefile = open(cachepath+".new", "w")
state = (self.__stateversion__,
self._cache,
self._channels,
self._sysconfchannels)
cPickle.dump(state, cachefile, 2)
cachefile.close()
os.rename(cachepath+".new", cachepath)
iface.hideStatus()
elif os.path.isfile(cachepath):
os.unlink(cachepath)
if not sysconf.getModified():
return
sysconf.resetModified()
confpath = self._confpath
sysconf.save(confpath)
def reloadMirrors(self):
mirrors = sysconf.get("mirrors", {})
for channel in self._channels.values():
if isinstance(channel, MirrorsChannel):
cmirrors = channel.getMirrors()
if cmirrors:
for origin in cmirrors:
set = dict.fromkeys(cmirrors[origin])
set.update(dict.fromkeys(mirrors.get(origin, [])))
mirrors[origin] = set.keys()
msys = self._fetcher.getMirrorSystem()
msys.setMirrors(mirrors)
if not msys.getHistory():
msys.setHistory(sysconf.get("mirrors-history", []))
def rebuildSysConfChannels(self):
channels = sysconf.get("channels", ())
forcechannels = sysconf.get("force-channels", "")
if forcechannels:
forcechannels = forcechannels.split(",")
def isEnabled(alias, data):
if forcechannels:
return alias in forcechannels
return not data.get("disabled")
if channels and not self._channels:
cachepath = os.path.join(sysconf.get("data-dir"), "cache")
if os.path.isfile(cachepath) and sysconf.get("disk-cache", True):
iface.showStatus(_("Loading cache..."))
cachefile = open(cachepath)
try:
state = cPickle.load(cachefile)
if state[0] != self.__stateversion__:
raise StateVersionError
except:
if sysconf.get("log-level") == DEBUG:
import traceback
traceback.print_exc()
if os.access(os.path.dirname(cachepath), os.W_OK):
os.unlink(cachepath)
else:
(__stateversion__,
self._cache,
self._channels,
self._sysconfchannels) = state
for alias in self._channels.keys():
if (alias not in channels or
not isEnabled(alias, channels[alias])):
self.removeChannel(alias)
cachefile.close()
iface.hideStatus()
for alias in channels:
data = channels[alias]
if not isEnabled(alias, data):
continue
if alias in self._sysconfchannels.keys():
if self._sysconfchannels[alias] == data:
continue
else:
channel = self._channels[alias]
if isinstance(channel, PackageChannel):
channel.removeLoaders()
del self._channels[alias]
del self._sysconfchannels[alias]
channel = createChannel(alias, data)
self._sysconfchannels[alias] = data
self._channels[alias] = channel
for alias in self._sysconfchannels.keys():
if alias not in channels or channels[alias].get("disabled"):
self.removeChannel(alias)
def rebuildDynamicChannels(self):
for alias in self._dynamicchannels.keys():
self.removeChannel(alias)
newchannels = {}
for channels in hooks.call("rebuild-dynamic-channels"):
if channels:
for channel in channels:
alias = channel.getAlias()
if alias in self._channels:
raise Error, _("There's another channel with "
"alias '%s'") % alias
newchannels[alias] = channel
self._channels.update(newchannels)
self._dynamicchannels.update(newchannels)
def reloadChannels(self, channels=None, caching=ALWAYS):
if channels is None:
manual = False
self.rebuildSysConfChannels()
self.rebuildDynamicChannels()
channels = self._channels.values()
hooks.call("reload-channels", channels)
else:
manual = True
# Get channels directory and check the necessary locks.
channelsdir = os.path.join(sysconf.get("data-dir"), "channels/")
userchannelsdir = os.path.join(sysconf.get("user-data-dir"),
"channels/")
if not os.path.isdir(channelsdir):
try:
os.makedirs(channelsdir)
except OSError:
raise Error, _("Unable to create channel directory.")
if caching is ALWAYS:
if sysconf.getReadOnly() and os.access(channelsdir, os.W_OK):
iface.warning(_("The Smart library is already in use by "
"another process."))
iface.warning(_("Configuration is in readonly mode!"))
if not self._pathlocks.lock(channelsdir):
raise Error, _("Channel information is locked for writing.")
elif sysconf.getReadOnly():
raise Error, _("Can't update channels in readonly mode.")
elif not self._pathlocks.lock(channelsdir, exclusive=True):
raise Error, _("Can't update channels with active readers.")
self._fetcher.setLocalDir(channelsdir, mangle=True)
# Prepare progress. If we're reading from the cache, we don't want
# too much information being shown. Otherwise, ask for a full-blown
# progress for the interface, and build information of currently
# available packages to compare later.
if caching is ALWAYS:
progress = Progress()
else:
progress = iface.getProgress(self._fetcher, True)
oldpkgs = {}
for pkg in self._cache.getPackages():
oldpkgs[(pkg.name, pkg.version)] = True
progress.start()
steps = 0
for channel in channels:
steps += channel.getFetchSteps()
progress.set(0, steps)
# Rebuild mirror information.
self.reloadMirrors()
self._fetcher.setForceMountedCopy(True)
self._cache.reset()
# Do the real work.
result = True
for channel in channels:
digest = channel.getDigest()
if not manual and channel.hasManualUpdate():
self._fetcher.setCaching(ALWAYS)
else:
self._fetcher.setCaching(caching)
if channel.getFetchSteps() > 0:
progress.setTopic(_("Fetching information for '%s'...") %
(channel.getName() or channel.getAlias()))
progress.show()
self._fetcher.setForceCopy(channel.isRemovable())
self._fetcher.setLocalPathPrefix(channel.getAlias()+"%%")
try:
if not channel.fetch(self._fetcher, progress):
iface.debug(_("Failed fetching channel '%s'") % channel)
result = False
except Error, e:
iface.error(unicode(e))
iface.debug(_("Failed fetching channel '%s'") % channel)
result = False
if (channel.getDigest() != digest and
isinstance(channel, PackageChannel)):
channel.addLoaders(self._cache)
if channel.getAlias() in self._sysconfchannels:
self._cachechanged = True
if result and caching is not ALWAYS:
sysconf.set("last-update", time.time())
self._fetcher.setForceMountedCopy(False)
self._fetcher.setForceCopy(False)
self._fetcher.setLocalPathPrefix(None)
# Finish progress.
progress.setStopped()
progress.show()
progress.stop()
# Build cache with the new information.
self._cache.load()
# Compare new packages with what we had available, and mark
# new packages.
if caching is not ALWAYS:
pkgconf.clearFlag("new")
for pkg in self._cache.getPackages():
if (pkg.name, pkg.version) not in oldpkgs:
pkgconf.setFlag("new", pkg.name, "=", pkg.version)
# Remove unused files from channels directory.
for dir in (channelsdir, userchannelsdir):
if os.access(dir, os.W_OK):
aliases = self._channels.copy()
aliases.update(dict.fromkeys(sysconf.get("channels", ())))
for entry in os.listdir(dir):
sep = entry.find("%%")
if sep == -1 or entry[:sep] not in aliases:
os.unlink(os.path.join(dir, entry))
# Change back to a shared lock.
self._pathlocks.lock(channelsdir)
return result
def markAndSweep(self, changeset=None):
if changeset==None:
changeset={}
# Mark ...
all = self._cache.getPackages()
auto = pkgconf.filterByFlag("auto", all)
marked = {}
for pkg in all:
if (pkg.installed and pkg not in auto and
changeset.get(pkg) != REMOVE):
marked[pkg] = True
queue = marked.keys()
while queue:
pkg = queue.pop(0)
for req in pkg.requires:
for prv in req.providedby:
for prvpkg in prv.packages:
if (prvpkg.installed and
prvpkg not in marked and
prvpkg not in changeset):
marked[prvpkg] = True
queue.append(prvpkg)
# see what is not marked
suggestions = ChangeSet(self._cache)
for pkg in all:
if pkg.installed and pkg not in marked:
suggestions[pkg] = REMOVE
# FIXME: we should probably check here is those suggestions
# would break the relations in the cache and bail out
# if that happens
#if suggestions:
# accepted = iface.suggestChanges(suggestions)
# if accepted:
# changeset.update(accepted)
return suggestions
def dumpTransactionURLs(self, trans, output=None):
changeset = trans.getChangeSet()
self.dumpURLs([x for x in changeset if changeset[x] is INSTALL])
def dumpURLs(self, packages, output=None):
if output is None:
output = sys.stderr
urls = []
for pkg in packages:
loaders = [x for x in pkg.loaders if not x.getInstalled()]
if not loaders:
raise Error, _("Package %s is not available for downloading") \
% pkg
info = loaders[0].getInfo(pkg)
urls.extend(info.getURLs())
for url in urls:
print >>output, url
def dumpTransactionMetalink(self, trans, output=None):
changeset = trans.getChangeSet()
self.dumpMetalink([x for x in changeset if changeset[x] is INSTALL])
def dumpMetalink(self, packages, output=None):
if output is None:
output = sys.stderr
metalink = Metalink()
msys = self._fetcher.getMirrorSystem()
for pkg in packages:
loaders = [x for x in pkg.loaders if not x.getInstalled()]
if not loaders:
raise Error, _("Package %s is not available for downloading") \
% pkg
info = loaders[0].getInfo(pkg)
if not info.getURLs():
raise Error, _("Package %s is not available for downloading") \
% pkg
for url in info.getURLs():
metafile = Metafile(pkg.name, pkg.version, info.getSummary())
mirror = msys.get(url)
mirrorurls = []
mirrorurl = mirror.getNext()
while mirrorurl:
mirrorurls.append(mirrorurl)
mirrorurl = mirror.getNext()
metafile.append(mirrorurls,
size=info.getSize(url),
md5=info.getMD5(url),
sha=info.getSHA(url),
sha256=info.getSHA256(url))
metalink.append(metafile)
if packages:
metalink.write(output)
def dumpTransactionPackages(self, trans, install=False, remove=False,
output=None):
if output is None:
output = sys.stderr
ops = set()
if install:
ops.add(INSTALL)
if remove:
ops.add(REMOVE)
pkgs = [pkg for (pkg, op) in trans.getChangeSet().items() if op in ops]
pkgs.sort()
for pkg in pkgs:
if sysconf.get("dump-versions", True):
print >> output, pkg
else:
print >> output, pkg.name
def downloadURLs(self, urllst, what=None, caching=NEVER, targetdir=None):
fetcher = self._fetcher
fetcher.reset()
self.reloadMirrors()
if targetdir is None:
localdir = os.path.join(sysconf.get("data-dir"), "tmp/")
if not os.path.isdir(localdir):
os.makedirs(localdir)
fetcher.setLocalDir(localdir, mangle=True)
else:
fetcher.setLocalDir(targetdir, mangle=False)
fetcher.setCaching(caching)
for url in urllst:
fetcher.enqueue(url)
fetcher.run(what=what)
return fetcher.getSucceededSet(), fetcher.getFailedSet()
def downloadMetalink(self, metalink, what=None, caching=NEVER, targetdir=None):
fetcher = self._fetcher
fetcher.reset()
self.reloadMirrors()
if targetdir is None:
localdir = os.path.join(sysconf.get("data-dir"), "tmp/")
if not os.path.isdir(localdir):
os.makedirs(localdir)
fetcher.setLocalDir(localdir, mangle=True)
else:
fetcher.setLocalDir(targetdir, mangle=False)
fetcher.setCaching(caching)
for metafile in Metalink.parse(open(metalink)).files():
urls = metafile.urls()
info = metafile.info()
# TODO: use random url
fetcher.enqueue(urls[0], **info)
fetcher.run(what=what)
return fetcher.getSucceededSet(), fetcher.getFailedSet()
def downloadTransaction(self, trans, caching=OPTIONAL, confirm=True):
return self.downloadChangeSet(trans.getChangeSet(), caching,
confirm=confirm)
def downloadChangeSet(self, changeset, caching=OPTIONAL, targetdir=None,
confirm=True):
if confirm and not iface.confirmChangeSet(changeset):
return False
return self.downloadPackages([x for x in changeset
if changeset[x] is INSTALL],
caching, targetdir)
def downloadPackages(self, packages, caching=OPTIONAL, targetdir=None):
channels = getChannelsWithPackages(packages)
fetched = 0
while True:
if not self.askForRemovableChannels(channels):
return False
self._achanset.setChannels(channels)
fetchpkgs = []
for channel in channels:
if self._achanset.isAvailable(channel):
fetchpkgs.extend(channels[channel])
self.fetchPackages(fetchpkgs, caching, targetdir)
fetched += len(fetchpkgs)
if fetched == len(packages):
break
return True
def packPackages(self, packages, targetdir=None, outputname=None):
channels = getChannelsWithPackages(packages)
fetched = 0
pkgpaths = {}
while True:
self._achanset.setChannels(channels)
fetchpkgs = []
for channel in channels:
if self._achanset.isAvailable(channel):
fetchpkgs.extend(channels[channel])
pkgpaths.update(self.fetchPackages(fetchpkgs, OPTIONAL, targetdir))
fetched += len(fetchpkgs)
if fetched == len(packages):
break
files = []
for pkg in pkgpaths:
files.append(pkgpaths[pkg][0])
self.packFiles(files, targetdir, outputname)
def packFiles(self, files, targetdir=None, outputname=None):
prog = iface.getProgress(self, True)
prog.start()
prog.setTopic(_("Creating pack..."))
if outputname:
filename = outputname
else:
filename = "pack.tar"
if not filename.startswith("/"):
filename = os.path.join(targetdir, filename)
tarball = tarfile.open(filename, 'w')
total = len(files)
current = 1
for file in files:
prog.set(current, total)
prog.setSubTopic(file, os.path.basename(file))
prog.setSub(file, 0, 1)
prog.show()
tarball.add(file, os.path.basename(file), False)
prog.setSubDone(file)
prog.show()
current += 1
tarball.close()
prog.setDone()
prog.show()
prog.stop()
def writeCommitLog(self, changeset):
""" writes the operations performed in the current changeset
to a log file specified with via the sysconf"commit-log"
variable
"""
logfile = sysconf.get("commit-log",None)
if logfile == None:
return
logdir = os.path.join(sysconf.get("data-dir"), "logs/")
if not os.path.isdir(logdir):
os.makedirs(logdir)
log = open(logdir+logfile,"a")
for pkg in changeset:
log.write("%s %s: %s\n" % (time.ctime(), pkg, changeset[pkg]))
log.write("\n")
def commitTransaction(self, trans, caching=OPTIONAL, confirm=True):
return self.commitChangeSet(trans.getChangeSet(), caching, confirm)
def commitChangeSet(self, changeset, caching=OPTIONAL, confirm=True):
if confirm and not iface.confirmChangeSet(changeset):
return False
if not confirm:
iface.showChangeSet(changeset)
if sysconf.get("dry-run"):
return True
setCloseOnExecAll()
pmpkgs = {}
for pkg in changeset:
pmclass = pkg.packagemanager
if pmclass not in pmpkgs:
pmpkgs[pmclass] = [pkg]
else:
pmpkgs[pmclass].append(pkg)
channels = getChannelsWithPackages([x for x in changeset
if changeset[x] is INSTALL])
datadir = sysconf.get("data-dir")
splitter = ChangeSetSplitter(changeset)
donecs = ChangeSet(self._cache)
copypkgpaths = {}
while True:
if not self.askForRemovableChannels(channels):
return False
self._achanset.setChannels(channels)
splitter.resetLocked()
splitter.setLockedSet(dict.fromkeys(donecs, True))
cs = changeset.copy()
for channel in channels:
if not self._achanset.isAvailable(channel):
for pkg in channels[channel]:
if pkg not in donecs and pkg not in copypkgpaths:
splitter.exclude(cs, pkg)
cs = cs.difference(donecs)
donecs.update(cs)
if cs:
pkgpaths = self.fetchPackages([pkg for pkg in cs
if pkg not in copypkgpaths
and cs[pkg] is INSTALL],
caching)
for pkg in cs:
if pkg in copypkgpaths:
pkgpaths[pkg] = copypkgpaths[pkg]
del copypkgpaths[pkg]
hooks.call("pre-commit")
for pmclass in pmpkgs:
pmcs = ChangeSet(self._cache)
for pkg in pmpkgs[pmclass]:
if pkg in cs:
pmcs[pkg] = cs[pkg]
pmcs.setRequested(pkg, cs.getRequested(pkg))
if sysconf.get("commit", True):
pmcs.markPackagesAutoInstalled()
self.writeCommitLog(pmcs)
pmclass().commit(pmcs, pkgpaths)
hooks.call("post-commit")
if sysconf.get("remove-packages", True):
for pkg in pkgpaths:
for path in pkgpaths[pkg]:
if path.startswith(os.path.join(datadir,
"packages")):
os.unlink(path)
if donecs == changeset:
break
copypkgs = []
for channel in channels.keys():
if self._achanset.isAvailable(channel):
pkgs = [pkg for pkg in channels[channel] if pkg not in cs]
if not pkgs:
del channels[channel]
elif channel.isRemovable():
copypkgs.extend(pkgs)
del channels[channel]
else:
channels[channel] = pkgs
self._fetcher.setForceCopy(True)
copypkgpaths.update(self.fetchPackages(copypkgs, caching))
self._fetcher.setForceCopy(False)
self._mediaset.restoreState()
return True
def commitTransactionStepped(self, trans, caching=OPTIONAL, confirm=True):
return self.commitChangeSetStepped(trans.getChangeSet(),
caching, confirm)
def commitChangeSetStepped(self, changeset, caching=OPTIONAL,
confirm=True):
if confirm and not iface.confirmChangeSet(changeset):
return False
# Order by number of required packages inside the transaction.
pkglst = []
for pkg in changeset:
n = 0
for req in pkg.requires:
for prv in req.providedby:
for prvpkg in prv.packages:
if changeset.get(prvpkg) is INSTALL:
n += 1
pkglst.append((n, pkg))
pkglst.sort()
splitter = ChangeSetSplitter(changeset)
unioncs = ChangeSet(self._cache)
for n, pkg in pkglst:
if pkg in unioncs:
continue
cs = ChangeSet(self._cache, unioncs)
splitter.include(unioncs, pkg)
cs = unioncs.difference(cs)
self.commitChangeSet(cs, confirm=confirm)
return True
def fetchPackages(self, packages, caching=OPTIONAL, targetdir=None):
fetcher = self._fetcher
fetcher.reset()
fetcher.setCaching(caching)
self.reloadMirrors()
if targetdir is None:
localdir = os.path.join(sysconf.get("data-dir"), "packages/")
if not os.path.isdir(localdir):
os.makedirs(localdir)
fetcher.setLocalDir(localdir, mangle=False)
else:
fetcher.setLocalDir(targetdir, mangle=False)
pkgitems = {}
for pkg in packages:
for loader in pkg.loaders:
if loader.getInstalled():
continue
channel = loader.getChannel()
if self._achanset.isAvailable(channel):
break
else:
raise Error, _("No channel available for package %s") % pkg
info = loader.getInfo(pkg)
urls = info.getURLs()
pkgitems[pkg] = []
for url in urls:
media = self._achanset.getMedia(channel)
pkgitems[pkg].append(fetcher.enqueue(url, media=media,
md5=info.getMD5(url),
sha=info.getSHA(url),
sha256=info.getSHA256(url),
size=info.getSize(url),
validate=info.validate))
if targetdir:
fetcher.setForceCopy(True)
fetcher.run(what=_("packages"))
fetcher.setForceCopy(False)
failed = fetcher.getFailedSet()
if failed:
raise Error, _("Failed to download packages:\n") + \
"\n".join([u" %s: %s" % (url, failed[url])
for url in failed])
pkgpaths = {}
for pkg in packages:
pkgpaths[pkg] = [item.getTargetPath() for item in pkgitems[pkg]]
return pkgpaths
def search(self, s, cutoff=1.00, suggestioncutoff=0.70,
globcutoff=1.00, globsuggestioncutoff=0.95,
addprovides=True):
ratio = 0
results = []
suggestions = []
objects = []
# If we find packages with exactly the given
# name or name-version, use them.
for pkg in self._cache.getPackages(s):
if pkg.name == s or "%s-%s" % (pkg.name, pkg.version) == s:
objects.append((1.0, pkg))
if not objects:
if "*" in s:
cutoff = globcutoff
suggestioncutoff = globsuggestioncutoff
searcher = Searcher()
searcher.addAuto(s, suggestioncutoff)
if addprovides:
searcher.addProvides(s, suggestioncutoff)
self._cache.search(searcher)
objects = searcher.getResults()
if objects:
bestratio = objects[0][0]
if bestratio < cutoff:
suggestions = objects
else:
for i in range(len(objects)):
ratio, obj = objects[i]
if ratio == bestratio:
results.append(obj)
else:
suggestions = objects[i:]
break
if results:
ratio = bestratio
return ratio, results, suggestions
class AvailableChannelSet(object):
def __init__(self, fetcher, channels=None, progress=None):
self._channels = channels or []
self._fetcher = fetcher
self._progress = progress or Progress()
self._available = {}
self._media = {}
if self._channels:
self.compute()
def setChannels(self, channels):
self._channels = channels
self.compute()
def isAvailable(self, channel):
return channel in self._available
def getMedia(self, channel):
return self._media.get(channel)
def compute(self):
self._available.clear()
self._media.clear()
fetcher = self._fetcher
progress = self._progress
mediaset = fetcher.getMediaSet()
steps = 0
for channel in self._channels:
steps += len(channel.getCacheCompareURLs())
progress.start()
progress.set(0, steps*2)
for channel in self._channels:
if not channel.isRemovable():
self._available[channel] = True
progress.add(2)
continue
urls = channel.getCacheCompareURLs()
if not urls:
self._available[channel] = False
progress.add(2)
continue
datadir = sysconf.get("data-dir")
tmpdir = os.path.join(datadir, "tmp/")
if not os.path.isdir(tmpdir):
os.makedirs(tmpdir)
channelsdir = os.path.join(datadir, "channels/")
if not os.path.isdir(channelsdir):
self._available[channel] = False
progress.add(2)
continue
media = None
available = False
for url in urls:
# Fetch cached item.
fetcher.reset()
fetcher.setLocalDir(channelsdir, mangle=True)
fetcher.setCaching(ALWAYS)
fetcher.setForceCopy(True)
fetcher.setLocalPathPrefix(channel.getAlias()+"%%")
channelsitem = fetcher.enqueue(url)
fetcher.run("channels", progress=progress)
fetcher.setForceCopy(False)
fetcher.setLocalPathPrefix(None)
if channelsitem.getStatus() is FAILED:
progress.add(1)
break
if url.startswith("localmedia:/"):
progress.add(1)
channelspath = channelsitem.getTargetPath()
media = mediaset.findFile(url, comparepath=channelspath)
if not media:
break
else:
# Fetch temporary item.
fetcher.reset()
fetcher.setLocalDir(tmpdir, mangle=True)
fetcher.setCaching(NEVER)
tmpitem = fetcher.enqueue(url)
fetcher.run("tmp", progress=progress)
if tmpitem.getStatus() is FAILED:
break
# Compare items.
channelspath = channelsitem.getTargetPath()
tmppath = tmpitem.getTargetPath()
if not compareFiles(channelspath, tmppath):
if tmppath.startswith(datadir):
os.unlink(tmppath)
break
else:
self._available[channel] = True
if media:
self._media[channel] = media
progress.stop()
class ChannelSorter(object):
def __init__(self, channel):
self.channel = channel
def __cmp__(self, other):
rc = -cmp(isinstance(self.channel, FileChannel),
isinstance(other.channel, FileChannel))
if rc == 0:
rc = cmp(self.channel.isRemovable(), other.channel.isRemovable())
if rc and sysconf.get("prefer-removable"):
rc *= -1
return rc
def getChannelsWithPackages(packages):
channels = {}
for pkg in packages:
sorters = [ChannelSorter(x.getChannel()) for x in pkg.loaders
if not x.getInstalled()]
if not sorters:
raise Error, _("%s is not available for downloading") % pkg
sorters.sort()
channel = sorters[0].channel
try:
channels[channel].append(pkg)
except KeyError:
channels[channel] = [pkg]
return channels
# vim:ts=4:sw=4:et
