plugins/backend/zypppkgmgr.py

   1 #!/usr/bin/python -tt
   2 #
   3 # Copyright (c) 2010, 2011 Intel, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by the Free
   7 # Software Foundation; version 2 of the License
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 # for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along
  15 # with this program; if not, write to the Free Software Foundation, Inc., 59
  16 # Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 import os
  19 import shutil
  20 import urlparse
  21 import rpm
  22 from mic.utils import runner, fs_related
  23
  24 import zypp
  25 if not hasattr(zypp, 'PoolQuery') or not hasattr(zypp.RepoManager, 'loadSolvFile'):
  26     raise ImportError("python-zypp in host system cannot support PoolQuery or loadSolvFile interface, "
  27                       "please update it to enhanced version which can be found in repo.meego.com/tools")
  28
  29 from mic import msger
  30 from mic.kickstart import ksparser
  31 from mic.utils import rpmmisc
  32 from mic.utils import misc
  33 from mic.utils.proxy import get_proxy_for
  34 from mic.utils.errors import CreatorError
  35 from mic.imager.baseimager import BaseImageCreator
  36
  37 class RepositoryStub:
  38     def __init__(self):
  39         self.name = None
  40         self.baseurl = []
  41         self.mirrorlist = None
  42         self.proxy = None
  43         self.proxy_username = None
  44         self.proxy_password = None
  45
  46         self.enabled = True
  47         self.autorefresh = True
  48         self.keeppackages = True
  49         self.priority = None
  50
  51 class RepoError(CreatorError):
  52     pass
  53
  54 class RpmError(CreatorError):
  55     pass
  56
  57 from mic.pluginbase import BackendPlugin
  58 class Zypp(BackendPlugin):
  59     name = 'zypp'
  60
  61     def __init__(self, target_arch, instroot, cachedir):
  62         self.cachedir = cachedir
  63         self.instroot  = instroot
  64         self.target_arch = target_arch
  65
  66         self.__pkgs_license = {}
  67         self.__pkgs_content = {}
  68         self.repos = []
  69         self.to_deselect = []
  70         self.localpkgs = {}
  71         self.repo_manager = None
  72         self.repo_manager_options = None
  73         self.Z = None
  74         self.ts = None
  75         self.probFilterFlags = []
  76         self.incpkgs = {}
  77         self.excpkgs = {}
  78
  79         self.has_prov_query = True
  80
  81     def doFileLogSetup(self, uid, logfile):
  82         # don't do the file log for the livecd as it can lead to open fds
  83         # being left and an inability to clean up after ourself
  84         pass
  85
  86     def closeRpmDB(self):
  87         pass
  88
  89     def close(self):
  90         if self.ts:
  91             self.ts.closeDB()
  92             self.ts = None
  93         self.closeRpmDB()
  94         if not os.path.exists("/etc/fedora-release") and not os.path.exists("/etc/meego-release"):
  95             for i in range(3, os.sysconf("SC_OPEN_MAX")):
  96                 try:
  97                     os.close(i)
  98                 except:
  99                     pass
 100
 101     def __del__(self):
 102         self.close()
 103
 104     def _cleanupRpmdbLocks(self, installroot):
 105         # cleans up temporary files left by bdb so that differing
 106         # versions of rpm don't cause problems
 107         import glob
 108         for f in glob.glob(installroot + "/var/lib/rpm/__db*"):
 109             os.unlink(f)
 110
 111     def setup(self):
 112         self._cleanupRpmdbLocks(self.instroot)
 113
 114     def whatObsolete(self, pkg):
 115         query = zypp.PoolQuery()
 116         query.addKind(zypp.ResKind.package)
 117         query.addAttribute(zypp.SolvAttr.obsoletes, pkg)
 118         query.setMatchExact()
 119         for pi in query.queryResults(self.Z.pool()):
 120             return pi
 121         return None
 122
 123     def _splitPkgString(self, pkg):
 124         sp = pkg.rsplit(".",1)
 125         name = sp[0]
 126         arch = None
 127         if len(sp) == 2:
 128             arch = sp[1]
 129             sysarch = zypp.Arch(self.target_arch)
 130             if not zypp.Arch(arch).compatible_with (sysarch):
 131                 arch = None
 132                 name = ".".join(sp)
 133         return name, arch
 134
 135     def selectPackage(self, pkg):
 136         """ Select a given package or package pattern, can be specified with name.arch or name* or *name """
 137         if not self.Z:
 138             self.__initialize_zypp()
 139
 140         def markPoolItem(obs, pi):
 141             if obs == None:
 142                 pi.status().setToBeInstalled (zypp.ResStatus.USER)
 143             else:
 144                 obs.status().setToBeInstalled (zypp.ResStatus.USER)
 145
 146         found = False
 147         startx = pkg.startswith("*")
 148         endx = pkg.endswith("*")
 149         ispattern = startx or endx
 150         name, arch = self._splitPkgString(pkg)
 151
 152         q = zypp.PoolQuery()
 153         q.addKind(zypp.ResKind.package)
 154         if ispattern:
 155             if startx and not endx:
 156                 pattern = '%s$' % (pkg[1:])
 157             if endx and not startx:
 158                 pattern = '^%s' % (pkg[0:-1])
 159             if endx and startx:
 160                 pattern = '%s' % (pkg[1:-1])
 161             q.setMatchRegex()
 162             q.addAttribute(zypp.SolvAttr.name,pattern)
 163         elif arch:
 164             q.setMatchExact()
 165             q.addAttribute(zypp.SolvAttr.name,name)
 166         else:
 167             q.setMatchExact()
 168             q.addAttribute(zypp.SolvAttr.name,pkg)
 169
 170         for item in sorted(q.queryResults(self.Z.pool()), key=lambda item: str(item.edition()), reverse=True):
 171             if item.name() in self.excpkgs.keys() and self.excpkgs[item.name()] == item.repoInfo().name():
 172                 continue
 173             if item.name() in self.incpkgs.keys() and self.incpkgs[item.name()] != item.repoInfo().name():
 174                 continue
 175             found = True
 176             obspkg = self.whatObsolete(item.name())
 177             if arch:
 178                 if arch == str(item.arch()):
 179                     item.status().setToBeInstalled (zypp.ResStatus.USER)
 180             else:
 181                 markPoolItem(obspkg, item)
 182             if not ispattern:
 183                 break
 184         # Can't match using package name, then search from packge provides infomation
 185         if found == False and not ispattern:
 186             q.addAttribute(zypp.SolvAttr.provides, pkg)
 187             q.addAttribute(zypp.SolvAttr.name,'')
 188             for item in sorted(q.queryResults(self.Z.pool()), key=lambda item: str(item.edition()), reverse=True):
 189                 if item.name() in self.excpkgs.keys() and self.excpkgs[item.name()] == item.repoInfo().name():
 190                     continue
 191                 if item.name() in self.incpkgs.keys() and self.incpkgs[item.name()] != item.repoInfo().name():
 192                     continue
 193                 found = True
 194                 obspkg = self.whatObsolete(item.name())
 195                 markPoolItem(obspkg, item)
 196                 break
 197         if found:
 198             return None
 199         else:
 200             raise CreatorError("Unable to find package: %s" % (pkg,))
 201
 202     def inDeselectPackages(self, item):
 203         """check if specified pacakges are in the list of inDeselectPackages"""
 204         name = item.name()
 205         for pkg in self.to_deselect:
 206             startx = pkg.startswith("*")
 207             endx = pkg.endswith("*")
 208             ispattern = startx or endx
 209             pkgname, pkgarch = self._splitPkgString(pkg)
 210             if not ispattern:
 211                 if pkgarch:
 212                     if name == pkgname and str(item.arch()) == pkgarch:
 213                         return True;
 214                 else:
 215                     if name == pkgname:
 216                         return True;
 217             else:
 218                 if startx and name.endswith(pkg[1:]):
 219                         return True;
 220                 if endx and name.startswith(pkg[:-1]):
 221                         return True;
 222         return False;
 223
 224     def deselectPackage(self, pkg):
 225         """collect packages should not be installed"""
 226         self.to_deselect.append(pkg)
 227
 228     def selectGroup(self, grp, include = ksparser.GROUP_DEFAULT):
 229         if not self.Z:
 230             self.__initialize_zypp()
 231         found = False
 232         q=zypp.PoolQuery()
 233         q.addKind(zypp.ResKind.pattern)
 234         for item in q.queryResults(self.Z.pool()):
 235             summary = "%s" % item.summary()
 236             name = "%s" % item.name()
 237             if name == grp or summary == grp:
 238                 found = True
 239                 item.status().setToBeInstalled (zypp.ResStatus.USER)
 240                 break
 241
 242         if found:
 243             if include == ksparser.GROUP_REQUIRED:
 244                 map(lambda p: self.deselectPackage(p), grp.default_packages.keys())
 245             return None
 246         else:
 247             raise CreatorError("Unable to find pattern: %s" % (grp,))
 248
 249     def addRepository(self, name, url = None, mirrorlist = None, proxy = None,
 250                       proxy_username = None, proxy_password = None,
 251                       inc = None, exc = None, ssl_verify = True, cost=None,
 252                       priority=None):
 253         # TODO: Handle cost attribute for repos
 254         if not self.repo_manager:
 255             self.__initialize_repo_manager()
 256
 257         repo = RepositoryStub()
 258         repo.name = name
 259         repo.id = name
 260         repo.proxy = proxy
 261         repo.proxy_username = proxy_username
 262         repo.proxy_password = proxy_password
 263         repo.ssl_verify = ssl_verify
 264         repo.baseurl.append(url)
 265         if inc:
 266             for pkg in inc:
 267                 self.incpkgs[pkg] = name
 268         if exc:
 269             for pkg in exc:
 270                 self.excpkgs[pkg] = name
 271
 272         # check LICENSE files
 273         if not rpmmisc.checkRepositoryEULA(name, repo):
 274             msger.warning('skip repo:%s for failed EULA confirmation' % name)
 275             return None
 276
 277         if mirrorlist:
 278             repo.mirrorlist = mirrorlist
 279
 280         # Enable gpg check for verifying corrupt packages
 281         repo.gpgcheck = 1
 282         if priority:
 283             repo.priority = priority
 284         self.repos.append(repo)
 285
 286         try:
 287             repo_info = zypp.RepoInfo()
 288             repo_info.setAlias(repo.name)
 289             repo_info.setName(repo.name)
 290             repo_info.setEnabled(repo.enabled)
 291             repo_info.setAutorefresh(repo.autorefresh)
 292             repo_info.setKeepPackages(repo.keeppackages)
 293             baseurl = zypp.Url(repo.baseurl[0])
 294             if not ssl_verify:
 295                 baseurl.setQueryParam("ssl_verify", "no")
 296             if proxy:
 297                 (scheme, host, path, parm, query, frag) = urlparse.urlparse(proxy)
 298                 proxyinfo = host.split(":")
 299                 host = proxyinfo[0]
 300                 port = "80"
 301                 if len(proxyinfo) > 1:
 302                     port = proxyinfo[1]
 303                 if proxy.startswith("socks") and len(proxy.rsplit(':', 1)) == 2:
 304                     host = proxy.rsplit(':', 1)[0]
 305                     port = proxy.rsplit(':', 1)[1]
 306                 baseurl.setQueryParam ("proxy", host)
 307                 baseurl.setQueryParam ("proxyport", port)
 308             repo_info.addBaseUrl(baseurl)
 309             if repo.priority:
 310                 repo_info.setPriority(repo.priority)
 311             self.repo_manager.addRepository(repo_info)
 312             self.__build_repo_cache(name)
 313         except RuntimeError, e:
 314             raise CreatorError(str(e))
 315
 316         msger.verbose('repo: %s was added' % name)
 317         return repo
 318
 319     def installHasFile(self, file):
 320         return False
 321
 322     def runInstall(self, checksize = 0):
 323         os.environ["HOME"] = "/"
 324         self.buildTransaction()
 325
 326         todo = zypp.GetResolvablesToInsDel(self.Z.pool())
 327         installed_pkgs = todo._toInstall
 328         dlpkgs = []
 329         for item in installed_pkgs:
 330             if not zypp.isKindPattern(item) and not self.inDeselectPackages(item):
 331                 dlpkgs.append(item)
 332
 333         # record all pkg and the content
 334         localpkgs = self.localpkgs.keys()
 335         for pkg in dlpkgs:
 336             license = ''
 337             if pkg.name() in localpkgs:
 338                 hdr = rpmmisc.readRpmHeader(self.ts, self.localpkgs[pkg.name()])
 339                 pkg_long_name = "%s.%s %s-%s" % (hdr['name'], hdr['arch'], hdr['version'], hdr['release'])
 340                 license = hdr['license']
 341             else:
 342                 pkg_long_name = "%s.%s %s" % (pkg.name(), pkg.arch(), pkg.edition())
 343                 package = zypp.asKindPackage(pkg)
 344                 license = package.license()
 345             self.__pkgs_content[pkg_long_name] = {} #TBD: to get file list
 346             if license in self.__pkgs_license.keys():
 347                 self.__pkgs_license[license].append(pkg_long_name)
 348             else:
 349                 self.__pkgs_license[license] = [pkg_long_name]
 350
 351         total_count = len(dlpkgs)
 352         cached_count = 0
 353         download_total_size = sum(map(lambda x: int(x.downloadSize()), dlpkgs))
 354         localpkgs = self.localpkgs.keys()
 355         msger.info("Checking packages cache and packages integrity ...")
 356         for po in dlpkgs:
 357             """ Check if it is cached locally """
 358             if po.name() in localpkgs:
 359                 cached_count += 1
 360             else:
 361                 local = self.getLocalPkgPath(po)
 362                 if os.path.exists(local):
 363                     if self.checkPkg(local) != 0:
 364                         os.unlink(local)
 365                     else:
 366                         download_total_size -= int(po.downloadSize())
 367                         cached_count += 1
 368         cache_avail_size = misc.get_filesystem_avail(self.cachedir)
 369         if cache_avail_size < download_total_size:
 370             raise CreatorError("No enough space used for downloading.")
 371
 372         # record the total size of installed pkgs
 373         install_total_size = sum(map(lambda x: int(x.installSize()), dlpkgs))
 374         # check needed size before actually download and install
 375         if checksize and install_total_size > checksize:
 376             raise CreatorError("No enough space used for installing, please resize partition size in ks file")
 377
 378         download_count =  total_count - cached_count
 379         msger.info("%d packages to be installed, %d packages gotten from cache, %d packages to be downloaded" % (total_count, cached_count, download_count))
 380         try:
 381             if download_count > 0:
 382                 msger.info("Downloading packages ...")
 383             self.downloadPkgs(dlpkgs, download_count)
 384             self.installPkgs(dlpkgs)
 385
 386         except RepoError, e:
 387             raise CreatorError("Unable to download from repo : %s" % (e,))
 388         except RpmError, e:
 389             raise CreatorError("Unable to install: %s" % (e,))
 390
 391     def getAllContent(self):
 392         return self.__pkgs_content
 393
 394     def getPkgsLicense(self):
 395         return self.__pkgs_license
 396
 397     def __initialize_repo_manager(self):
 398         if self.repo_manager:
 399             return
 400
 401         """ Clean up repo metadata """
 402         shutil.rmtree(self.cachedir + "/etc", ignore_errors = True)
 403         shutil.rmtree(self.cachedir + "/solv", ignore_errors = True)
 404         shutil.rmtree(self.cachedir + "/raw", ignore_errors = True)
 405
 406         zypp.KeyRing.setDefaultAccept( zypp.KeyRing.ACCEPT_UNSIGNED_FILE
 407                                      | zypp.KeyRing.ACCEPT_VERIFICATION_FAILED
 408                                      | zypp.KeyRing.ACCEPT_UNKNOWNKEY
 409                                      | zypp.KeyRing.TRUST_KEY_TEMPORARILY
 410                                      )
 411         self.repo_manager_options = zypp.RepoManagerOptions(zypp.Pathname(self.instroot))
 412         self.repo_manager_options.knownReposPath = zypp.Pathname(self.cachedir + "/etc/zypp/repos.d")
 413         self.repo_manager_options.repoCachePath = zypp.Pathname(self.cachedir)
 414         self.repo_manager_options.repoRawCachePath = zypp.Pathname(self.cachedir + "/raw")
 415         self.repo_manager_options.repoSolvCachePath = zypp.Pathname(self.cachedir + "/solv")
 416         self.repo_manager_options.repoPackagesCachePath = zypp.Pathname(self.cachedir + "/packages")
 417
 418         self.repo_manager = zypp.RepoManager(self.repo_manager_options)
 419
 420     def __build_repo_cache(self, name):
 421         repo = self.repo_manager.getRepositoryInfo(name)
 422         if self.repo_manager.isCached(repo) or not repo.enabled():
 423             return
 424         self.repo_manager.buildCache(repo, zypp.RepoManager.BuildIfNeeded)
 425
 426     def __initialize_zypp(self):
 427         if self.Z:
 428             return
 429
 430         zconfig = zypp.ZConfig_instance()
 431
 432         """ Set system architecture """
 433         if self.target_arch:
 434             zconfig.setSystemArchitecture(zypp.Arch(self.target_arch))
 435
 436         msger.info("zypp architecture is <%s>" % zconfig.systemArchitecture())
 437
 438         """ repoPackagesCachePath is corrected by this """
 439         self.repo_manager = zypp.RepoManager(self.repo_manager_options)
 440         repos = self.repo_manager.knownRepositories()
 441         for repo in repos:
 442             if not repo.enabled():
 443                 continue
 444             self.repo_manager.loadFromCache(repo)
 445
 446         self.Z = zypp.ZYppFactory_instance().getZYpp()
 447         self.Z.initializeTarget(zypp.Pathname(self.instroot))
 448         self.Z.target().load()
 449
 450
 451     def buildTransaction(self):
 452         if not self.Z.resolver().resolvePool():
 453             msger.warning("Problem count: %d" % len(self.Z.resolver().problems()))
 454             for problem in self.Z.resolver().problems():
 455                 msger.warning("Problem: %s, %s" % (problem.description().decode("utf-8"), problem.details().decode("utf-8")))
 456
 457     def getLocalPkgPath(self, po):
 458         repoinfo = po.repoInfo()
 459         cacheroot = repoinfo.packagesPath()
 460         location= zypp.asKindPackage(po).location()
 461         rpmpath = str(location.filename())
 462         pkgpath = "%s/%s" % (cacheroot, rpmpath)
 463         return pkgpath
 464
 465     def installLocal(self, pkg, po=None, updateonly=False):
 466         if not self.ts:
 467             self.__initialize_transaction()
 468         solvfile = "%s/.solv" % (self.cachedir)
 469         rc, out = runner.runtool([fs_related.find_binary_path("rpms2solv"), pkg])
 470         if rc == 0:
 471             f = open(solvfile, "w+")
 472             f.write(out)
 473             f.close()
 474             warnmsg = self.repo_manager.loadSolvFile(solvfile , os.path.basename(pkg))
 475             if warnmsg:
 476                 msger.warning(warnmsg)
 477             os.unlink(solvfile)
 478         else:
 479             msger.warning('Can not get %s solv data.' % pkg)
 480         hdr = rpmmisc.readRpmHeader(self.ts, pkg)
 481         arch = zypp.Arch(hdr['arch'])
 482         sysarch = zypp.Arch(self.target_arch)
 483         if arch.compatible_with (sysarch):
 484             pkgname = hdr['name']
 485             self.localpkgs[pkgname] = pkg
 486             self.selectPackage(pkgname)
 487             msger.info("Marking %s to be installed" % (pkg))
 488         else:
 489             msger.warning ("Cannot add package %s to transaction. Not a compatible architecture: %s" % (pkg, hdr['arch']))
 490
 491     def downloadPkgs(self, package_objects, count):
 492         localpkgs = self.localpkgs.keys()
 493         progress_obj = rpmmisc.TextProgress(count)
 494         for po in package_objects:
 495             if po.name() in localpkgs:
 496                 continue
 497             filename = self.getLocalPkgPath(po)
 498             if os.path.exists(filename):
 499                 if self.checkPkg(filename) == 0:
 500                     continue
 501             dirn = os.path.dirname(filename)
 502             if not os.path.exists(dirn):
 503                 os.makedirs(dirn)
 504             baseurl = str(po.repoInfo().baseUrls()[0])
 505             index = baseurl.find("?")
 506             if index > -1:
 507                 baseurl = baseurl[:index]
 508             proxy = self.get_proxy(po.repoInfo())
 509             proxies = {}
 510             if proxy:
 511                 proxies = {str(proxy.split(":")[0]):str(proxy)}
 512
 513             location = zypp.asKindPackage(po).location()
 514             location = str(location.filename())
 515             if location.startswith("./"):
 516                 location = location[2:]
 517             url = baseurl + "/%s" % location
 518             try:
 519                 filename = rpmmisc.myurlgrab(url, filename, proxies, progress_obj)
 520             except CreatorError:
 521                 self.close()
 522                 raise
 523
 524     def installPkgs(self, package_objects):
 525         if not self.ts:
 526             self.__initialize_transaction()
 527
 528         """ Set filters """
 529         probfilter = 0
 530         for flag in self.probFilterFlags:
 531             probfilter |= flag
 532         self.ts.setProbFilter(probfilter)
 533
 534         localpkgs = self.localpkgs.keys()
 535         for po in package_objects:
 536             pkgname = po.name()
 537             if pkgname in localpkgs:
 538                 rpmpath = self.localpkgs[pkgname]
 539             else:
 540                 rpmpath = self.getLocalPkgPath(po)
 541             if not os.path.exists(rpmpath):
 542                 """ Maybe it is a local repo """
 543                 baseurl = str(po.repoInfo().baseUrls()[0])
 544                 baseurl = baseurl.strip()
 545                 location = zypp.asKindPackage(po).location()
 546                 location = str(location.filename())
 547                 if baseurl.startswith("file:/"):
 548                     rpmpath = baseurl[5:] + "/%s" % (location)
 549             if not os.path.exists(rpmpath):
 550                 raise RpmError("Error: %s doesn't exist" % rpmpath)
 551             h = rpmmisc.readRpmHeader(self.ts, rpmpath)
 552             self.ts.addInstall(h, rpmpath, 'u')
 553
 554         unresolved_dependencies = self.ts.check()
 555         if not unresolved_dependencies:
 556             self.ts.order()
 557             cb = rpmmisc.RPMInstallCallback(self.ts)
 558             installlogfile = "%s/__catched_stderr.buf" % (self.instroot)
 559             msger.enable_logstderr(installlogfile)
 560             errors = self.ts.run(cb.callback, '')
 561             if errors is None:
 562                 pass
 563             elif len(errors) == 0:
 564                 msger.warning('scriptlet or other non-fatal errors occurred during transaction.')
 565             else:
 566                 for e in errors:
 567                     msger.warning(e[0])
 568                 msger.error('Could not run transaction.')
 569             msger.disable_logstderr()
 570
 571             self.ts.closeDB()
 572             self.ts = None
 573         else:
 574             for pkg, need, needflags, sense, key in unresolved_dependencies:
 575                 package = '-'.join(pkg)
 576                 if needflags == rpm.RPMSENSE_LESS:
 577                     deppkg = ' < '.join(need)
 578                 elif needflags == rpm.RPMSENSE_EQUAL:
 579                     deppkg = ' = '.join(need)
 580                 elif needflags == rpm.RPMSENSE_GREATER:
 581                     deppkg = ' > '.join(need)
 582                 else:
 583                     deppkg = '-'.join(need)
 584
 585                 if sense == rpm.RPMDEP_SENSE_REQUIRES:
 586                     msger.warning ("[%s] Requires [%s], which is not provided" % (package, deppkg))
 587                 elif sense == rpm.RPMDEP_SENSE_CONFLICTS:
 588                     msger.warning ("[%s] Conflicts with [%s]" % (package, deppkg))
 589
 590             raise RepoError("Unresolved dependencies, transaction failed.")
 591
 592     def __initialize_transaction(self):
 593         if not self.ts:
 594             self.ts = rpm.TransactionSet(self.instroot)
 595             # Set to not verify DSA signatures.
 596             self.ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES|rpm._RPMVSF_NODIGESTS)
 597
 598     def checkPkg(self, pkg):
 599         ret = 1
 600         if not os.path.exists(pkg):
 601             return ret
 602         ret = rpmmisc.checkRpmIntegrity('rpm', pkg)
 603         if ret != 0:
 604             msger.warning("package %s is damaged: %s" % (os.path.basename(pkg), pkg))
 605
 606         return ret
 607
 608     def _add_prob_flags(self, *flags):
 609         for flag in flags:
 610            if flag not in self.probFilterFlags:
 611                self.probFilterFlags.append(flag)
 612
 613     def get_proxy(self, repoinfo):
 614         proxy = None
 615         reponame = "%s" % repoinfo.name()
 616         for repo in self.repos:
 617             if repo.name == reponame:
 618                 proxy = repo.proxy
 619                 break
 620
 621         if proxy:
 622             return proxy
 623         else:
 624             repourl = str(repoinfo.baseUrls()[0])
 625             return get_proxy_for(repourl)