Current File : //lib/python2.7/site-packages/yum/repos.py
#!/usr/bin/python -tt
# This program 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.
#
# This program 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 Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright 2004 Duke University
import re
import types
import logging
import misc
import os
import Errors
from packageSack import MetaSack
import urlgrabber.grabber
from weakref import proxy as weakref
class _wrap_ayum_getKeyForRepo:
""" This is a wrapper for calling YumBase.getKeyForRepo() because
otherwise we take a real reference through the bound method and
that is d00m (this applies to YumBase and RepoStorage, hence why
we have a separate class).
A "better" fix might be to explicitly pass the YumBase instance to
the callback ... API change! """
def __init__(self, ayum, ca=False):
self.ayum = weakref(ayum)
self.ca = ca
def __call__(self, repo, callback=None):
if self.ca:
return self.ayum.getCAKeyForRepo(repo, callback)
return self.ayum.getKeyForRepo(repo, callback)
class RepoStorage:
"""This class contains multiple repositories and core configuration data
about them."""
def __init__(self, ayum):
self.repos = {} # list of repos by repoid pointing a repo object
# of repo options/misc data
self.callback = None # progress callback used for populateSack() for importing the xml files
self.cache = 0
self.pkgSack = MetaSack()
self.logger = logging.getLogger("yum.RepoStorage")
self._setup = False
self.ayum = weakref(ayum)
# callbacks for handling gpg key imports for repomd.xml sig checks
# need to be set from outside of the repos object to do anything
# even quasi-useful
# defaults to what is probably sane-ish
self.gpg_import_func = _wrap_ayum_getKeyForRepo(ayum)
self.gpgca_import_func = _wrap_ayum_getKeyForRepo(ayum, ca=True)
self.confirm_func = None
# This allow listEnabled() to be O(1) most of the time.
self._cache_enabled_repos = []
self.quick_enable_disable = {}
# This allows plugins to setup a repo. just before the first
# listEnabled() call.
self._list_enabled_hasrun = False
def retrieveAllMD(self):
""" Download metadata for all enabled repositories,
based on mdpolicy.
"""
if not hasattr(urlgrabber.grabber, 'parallel_wait'):
return
repos = []
for repo in self.listEnabled():
if repo.cache:
continue
try:
dl = repo._async and repo._commonLoadRepoXML(repo)
except Errors.RepoError, e:
if not repo.skip_if_unavailable:
raise
self.disableRepo(repo.id)
dl = False
if dl:
mdtypes = repo._mdpolicy2mdtypes()
downloading = repo._commonRetrieveDataMD_list(mdtypes)
repos.append((repo, downloading, [False]))
# with sizes first, then without sizes..
for no_size in (False, True):
for repo, downloading, error in repos:
def failfunc(obj, error=error):
error[0] = True
for (ndata, nmdtype) in downloading:
if (ndata.size is None) == no_size:
repo._retrieveMD(nmdtype, async=True, failfunc=failfunc)
urlgrabber.grabber.parallel_wait()
# done or revert
for repo, downloading, error in repos:
if error[0]: # some MD failed?
repo._revertOldRepoXML()
else:
repo._commonRetrieveDataMD_done(downloading)
def doSetup(self, thisrepo = None):
if thisrepo is None:
# Just in case the prelistenabledrepos plugin point hasn't run.
self.listEnabled()
self.ayum.plugins.run('prereposetup')
if thisrepo is None:
repos = self.listEnabled()
else:
repos = self.findRepos(thisrepo)
if len(repos) < 1:
self.logger.debug('No Repositories Available to Set Up')
if hasattr(urlgrabber.grabber, 'pycurl'):
# Must do basename checking, on cert. files...
cert_basenames = {}
for repo in self.listEnabled():
if repo.sslclientcert:
bn = os.path.basename(repo.sslclientcert)
other = cert_basenames.setdefault(bn, repo)
if repo.sslclientcert != other.sslclientcert:
msg = 'sslclientcert basename shared between %s and %s'
raise Errors.ConfigError, msg % (repo, other)
for repo in repos:
repo.setup(self.ayum.conf.cache, self.ayum.mediagrabber,
gpg_import_func = self.gpg_import_func, confirm_func=self.confirm_func,
gpgca_import_func = self.gpgca_import_func)
# if we come back from setup NOT enabled then mark as disabled
# so nothing else touches us
if not repo.enabled:
self.disableRepo(repo.id)
else:
pkgdir = getattr(self.ayum.conf, 'downloaddir', None)
if pkgdir:
repo.pkgdir = pkgdir
self._setup = True
self.retrieveAllMD()
self.ayum.plugins.run('postreposetup')
def __str__(self):
return str(self.repos.keys())
def __del__(self):
try:
self.close()
except Errors.RepoError, e:
self.logger.debug("Exception %s %s in %s ignored" % (repr(e), str(e), self.__del__))
def close(self):
for repo in self.repos.values():
repo.close()
def add(self, repoobj):
if repoobj.id in self.repos:
raise Errors.DuplicateRepoError, 'Repository %s is listed more than once in the configuration' % (repoobj.id)
self.repos[repoobj.id] = repoobj
if hasattr(repoobj, 'quick_enable_disable'):
self.quick_enable_disable.update(repoobj.quick_enable_disable)
repoobj.quick_enable_disable = self.quick_enable_disable
else:
self._cache_enabled_repos = None
# At least pulp reuses RepoStorage but doesn't have a "real" YumBase()
# so we can't guarantee new YumBase() attrs. exist.
if not hasattr(self.ayum, '_override_sigchecks'):
repoobj._override_sigchecks = False
else:
repoobj._override_sigchecks = self.ayum._override_sigchecks
def delete(self, repoid):
if repoid in self.repos:
thisrepo = self.repos[repoid]
thisrepo.close()
del self.repos[repoid]
def sort(self):
repolist = self.repos.values()
repolist.sort()
return repolist
def getRepo(self, repoid):
try:
return self.repos[repoid]
except KeyError, e:
raise Errors.RepoError, \
'Error getting repository data for %s, repository not found' % (repoid)
def findRepos(self, pattern, name_match=False, ignore_case=False):
""" Find all repositories matching fnmatch `pattern` on the repo.id,
can also do case insensitive searches and/or search on the name."""
if pattern in self.repos: # Minor opt. as we do this a lot...
return [self.repos[pattern]]
result = []
for item in pattern.split(','):
item = item.strip()
match = misc.compile_pattern(item.strip(), ignore_case)
for name,repo in self.repos.items():
assert name == repo.id
if match(name):
result.append(repo)
elif name_match and match(repo.name):
result.append(repo)
return result
def disableRepo(self, repoid):
"""disable a repository from use
fnmatch wildcards may be used to disable a group of repositories.
returns repoid of disabled repos as list
"""
repos = []
if misc.re_glob(repoid) or repoid.find(',') != -1:
for repo in self.findRepos(repoid):
repos.append(repo.id)
repo.disable()
else:
thisrepo = self.getRepo(repoid)
repos.append(thisrepo.id)
thisrepo.disable()
return repos
def enableRepo(self, repoid):
"""enable a repository for use
fnmatch wildcards may be used to enable a group of repositories.
returns repoid of enables repos as list
"""
repos = []
if misc.re_glob(repoid) or repoid.find(',') != -1:
for repo in self.findRepos(repoid):
repos.append(repo.id)
repo.enable()
else:
thisrepo = self.getRepo(repoid)
repos.append(thisrepo.id)
thisrepo.enable()
return repos
def listEnabled(self):
"""return list of enabled repo objects"""
if not self._list_enabled_hasrun:
self.ayum.plugins.run('prelistenabledrepos')
self._list_enabled_hasrun = True
if (self._cache_enabled_repos is not None and
not self.quick_enable_disable):
return self._cache_enabled_repos
returnlist = []
for repo in self.repos.values():
if repo.isEnabled():
returnlist.append(repo)
returnlist.sort()
if self._cache_enabled_repos is not None:
self._cache_enabled_repos = returnlist
self.quick_enable_disable.clear()
return returnlist
def listGroupsEnabled(self):
"""return a list of repo objects that have groups enabled"""
returnlist = []
for repo in self.listEnabled():
if repo.enablegroups:
returnlist.append(repo)
return returnlist
def setCache(self, cacheval):
"""sets cache value in all repos"""
self.cache = cacheval
for repo in self.repos.values():
repo.cache = cacheval
def setCacheDir(self, cachedir):
"""sets the cachedir value in all repos"""
self._cachedir = cachedir
for repo in self.repos.values():
if cachedir != repo.basecachedir:
repo.old_base_cache_dir = repo.basecachedir
repo.basecachedir = cachedir
def setProgressBar(self, obj, multi_obj=None):
"""sets the progress bar for downloading files from repos"""
for repo in self.repos.values():
repo.setCallback(obj, multi_obj)
def setFailureCallback(self, obj):
"""sets the failure callback for all repos"""
for repo in self.repos.values():
repo.setFailureObj(obj)
def setMirrorFailureCallback(self, obj):
"""sets the failure callback for all mirrors"""
for repo in self.repos.values():
repo.setMirrorFailureObj(obj)
def setInterruptCallback(self, callback):
for repo in self.repos.values():
repo.setInterruptCallback(callback)
def getPackageSack(self):
return self.pkgSack
def populateSack(self, which='enabled', mdtype='metadata', callback=None, cacheonly=0):
"""
This populates the package sack from the repositories, two optional
arguments:
- which='repoid, enabled, all'
- mdtype='metadata, filelists, otherdata, all'
"""
if not self._setup:
self.doSetup()
if not callback:
callback = self.callback
myrepos = []
if which == 'enabled':
myrepos = self.listEnabled()
elif which == 'all':
myrepos = self.repos.values()
else:
if type(which) == types.ListType:
for repo in which:
if isinstance(repo, Repository):
myrepos.append(repo)
else:
repobj = self.getRepo(repo)
myrepos.append(repobj)
elif type(which) == types.StringType:
repobj = self.getRepo(which)
myrepos.append(repobj)
if mdtype == 'all':
data = ['metadata', 'filelists', 'otherdata']
else:
data = [ mdtype ]
if hasattr(urlgrabber.grabber, 'parallel_wait'):
# download all metadata in parallel
for repo in myrepos:
if repo.cache:
continue
if repo._async:
sack = repo.getPackageSack()
sack._retrieve_async(repo, data)
urlgrabber.grabber.parallel_wait()
for repo in myrepos:
sack = repo.getPackageSack()
try:
sack.populate(repo, mdtype, callback, cacheonly)
except TypeError, e:
if not e.args[0].startswith('Parsing'):
raise
if mdtype in ['all', 'metadata'] and repo.skip_if_unavailable:
self.disableRepo(repo.id)
else:
raise Errors.RepoError(e.args[0])
except Errors.RepoError, e:
if mdtype in ['all', 'metadata'] and repo.skip_if_unavailable:
self.disableRepo(repo.id)
else:
raise
else:
self.pkgSack.addSack(repo.id, sack)
class Repository:
"""this is an actual repository object"""
def __init__(self, repoid):
self.id = repoid
self.quick_enable_disable = {}
self.disable()
self._xml2sqlite_local = False
def __cmp__(self, other):
""" Sort base class repos. by alphanumeric on their id, also
see __cmp__ in YumRepository(). """
if self.id > other.id:
return 1
elif self.id < other.id:
return -1
else:
return 0
def __str__(self):
return self.id
def __hash__(self):
return hash(self.id)
def __del__(self):
try:
self.close()
except Errors.RepoError, e:
self.logger.debug("Exception %s %s in %s ignored" % (repr(e), str(e), self.__del__))
def _ui_id(self):
""" Show self.id, so we can use it and override it. """
return self.id
ui_id = property(_ui_id)
def close(self):
pass
def setAttribute(self, key, value):
"""sets a generic attribute of this repository"""
setattr(self, key, value)
def getAttribute(self, key):
return getattr(self, key, None)
def isEnabled(self):
enabled = self.getAttribute('enabled')
return enabled is not None and enabled
def enable(self):
self.setAttribute('enabled', 1)
self.quick_enable_disable[self.id] = True
def disable(self):
self.setAttribute('enabled', 0)
self.quick_enable_disable[self.id] = False
def getExcludePkgList(self):
excludeList = self.getAttribute('exclude')
return excludeList or []
def getIncludePkgList(self):
includeList = self.getAttribute('includepkgs')
return includeList or []
# Abstract interface
def ready(self):
raise NotImplementedError()
def getGroupLocation(self):
raise NotImplementedError()
def getPackageSack(self):
raise NotImplementedError()
def setup(self, cache):
raise NotImplementedError()
def setCallback(self, callback):
raise NotImplementedError()
def setFailureObj(self, obj):
raise NotImplementedError()
def setMirrorFailureObj(self, obj):
raise NotImplementedError()
def getPackage(self, package, checkfunc = None, text = None, cache = True):
raise NotImplementedError()
def getHeader(self, package, checkfunc = None, reget = 'simple', cache = True):
raise NotImplementedError()
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