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
  23 import zypp
  24 if not hasattr(zypp, 'PoolQuery') or \
  25    not hasattr(zypp.RepoManager, 'loadSolvFile'):
  26     raise ImportError("python-zypp in host system cannot support PoolQuery or "
  27                       "loadSolvFile interface, please update it to enhanced "
  28                       "version which can be found in repo.meego.com/tools")
  29
  30 from mic import msger
  31 from mic.kickstart import ksparser
  32 from mic.utils import misc, rpmmisc, runner, fs_related
  33 from mic.utils.proxy import get_proxy_for
  34 from mic.utils.errors import CreatorError, RepoError, RpmError
  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 from mic.pluginbase import BackendPlugin
  52 class Zypp(BackendPlugin):
  53     name = 'zypp'
  54
  55     def __init__(self, target_arch, instroot, cachedir):
  56         self.cachedir = cachedir
  57         self.instroot  = instroot
  58         self.target_arch = target_arch
  59
  60         self.__pkgs_license = {}
  61         self.__pkgs_content = {}
  62         self.repos = []
  63         self.to_deselect = []
  64         self.localpkgs = {}
  65         self.repo_manager = None
  66         self.repo_manager_options = None
  67         self.Z = None
  68         self.ts = None
  69         self.ts_pre = None
  70         self.incpkgs = {}
  71         self.excpkgs = {}
  72         self.pre_pkgs = []
  73         self.probFilterFlags = [ rpm.RPMPROB_FILTER_OLDPACKAGE,
  74                                  rpm.RPMPROB_FILTER_REPLACEPKG ]
  75
  76         self.has_prov_query = True
  77
  78     def doFileLogSetup(self, uid, logfile):
  79         # don't do the file log for the livecd as it can lead to open fds
  80         # being left and an inability to clean up after ourself
  81         pass
  82
  83     def closeRpmDB(self):
  84         pass
  85
  86     def close(self):
  87         if self.ts:
  88             self.ts.closeDB()
  89             self.ts = None
  90
  91         if self.ts_pre:
  92             self.ts_pre.closeDB()
  93             self.ts = None
  94
  95         self.closeRpmDB()
  96
  97         if not os.path.exists("/etc/fedora-release") and \
  98            not os.path.exists("/etc/meego-release"):
  99             for i in range(3, os.sysconf("SC_OPEN_MAX")):
 100                 try:
 101                     os.close(i)
 102                 except:
 103                     pass
 104
 105     def __del__(self):
 106         self.close()
 107
 108     def _cleanupRpmdbLocks(self, installroot):
 109         # cleans up temporary files left by bdb so that differing
 110         # versions of rpm don't cause problems
 111         import glob
 112         for f in glob.glob(installroot + "/var/lib/rpm/__db*"):
 113             os.unlink(f)
 114
 115     def setup(self):
 116         self._cleanupRpmdbLocks(self.instroot)
 117
 118     def whatObsolete(self, pkg):
 119         query = zypp.PoolQuery()
 120         query.addKind(zypp.ResKind.package)
 121         query.addAttribute(zypp.SolvAttr.obsoletes, pkg)
 122         query.setMatchExact()
 123         for pi in query.queryResults(self.Z.pool()):
 124             return pi
 125         return None
 126
 127     def _splitPkgString(self, pkg):
 128         sp = pkg.rsplit(".",1)
 129         name = sp[0]
 130         arch = None
 131         if len(sp) == 2:
 132             arch = sp[1]
 133             sysarch = zypp.Arch(self.target_arch)
 134             if not zypp.Arch(arch).compatible_with (sysarch):
 135                 arch = None
 136                 name = ".".join(sp)
 137         return name, arch
 138
 139     def selectPackage(self, pkg):
 140         """Select a given package or package pattern, can be specified
 141         with name.arch or name* or *name
 142         """
 143
 144         if not self.Z:
 145             self.__initialize_zypp()
 146
 147         def markPoolItem(obs, pi):
 148             if obs == None:
 149                 pi.status().setToBeInstalled (zypp.ResStatus.USER)
 150             else:
 151                 obs.status().setToBeInstalled (zypp.ResStatus.USER)
 152
 153         def cmpEVR(ed1, ed2):
 154             (e1, v1, r1) = map(str, [ed1.epoch(), ed1.version(), ed1.release()])
 155             (e2, v2, r2) = map(str, [ed2.epoch(), ed2.version(), ed2.release()])
 156             return rpm.labelCompare((e1, v1, r1), (e2, v2, r2))
 157
 158         found = False
 159         startx = pkg.startswith("*")
 160         endx = pkg.endswith("*")
 161         ispattern = startx or endx
 162         name, arch = self._splitPkgString(pkg)
 163
 164         q = zypp.PoolQuery()
 165         q.addKind(zypp.ResKind.package)
 166
 167         if ispattern:
 168             if startx and not endx:
 169                 pattern = '%s$' % (pkg[1:])
 170             if endx and not startx:
 171                 pattern = '^%s' % (pkg[0:-1])
 172             if endx and startx:
 173                 pattern = '%s' % (pkg[1:-1])
 174             q.setMatchRegex()
 175             q.addAttribute(zypp.SolvAttr.name,pattern)
 176
 177         elif arch:
 178             q.setMatchExact()
 179             q.addAttribute(zypp.SolvAttr.name,name)
 180
 181         else:
 182             q.setMatchExact()
 183             q.addAttribute(zypp.SolvAttr.name,pkg)
 184
 185         for item in sorted(
 186                         q.queryResults(self.Z.pool()),
 187                         cmp=lambda x,y: cmpEVR(x.edition(), y.edition()),
 188                         reverse=True):
 189
 190             if item.name() in self.excpkgs.keys() and \
 191                self.excpkgs[item.name()] == item.repoInfo().name():
 192                 continue
 193             if item.name() in self.incpkgs.keys() and \
 194                self.incpkgs[item.name()] != item.repoInfo().name():
 195                 continue
 196
 197             found = True
 198             obspkg = self.whatObsolete(item.name())
 199             if arch:
 200                 if arch == str(item.arch()):
 201                     item.status().setToBeInstalled (zypp.ResStatus.USER)
 202             else:
 203                 markPoolItem(obspkg, item)
 204             if not ispattern:
 205                 break
 206
 207         # Can't match using package name, then search from packge
 208         # provides infomation
 209         if found == False and not ispattern:
 210             q.addAttribute(zypp.SolvAttr.provides, pkg)
 211             q.addAttribute(zypp.SolvAttr.name,'')
 212
 213             for item in sorted(
 214                             q.queryResults(self.Z.pool()),
 215                             cmp=lambda x,y: cmpEVR(x.edition(), y.edition()),
 216                             reverse=True):
 217                 if item.name() in self.excpkgs.keys() and \
 218                    self.excpkgs[item.name()] == item.repoInfo().name():
 219                     continue
 220                 if item.name() in self.incpkgs.keys() and \
 221                    self.incpkgs[item.name()] != item.repoInfo().name():
 222                     continue
 223
 224                 found = True
 225                 obspkg = self.whatObsolete(item.name())
 226                 markPoolItem(obspkg, item)
 227                 break
 228
 229         if found:
 230             return None
 231         else:
 232             raise CreatorError("Unable to find package: %s" % (pkg,))
 233
 234     def inDeselectPackages(self, item):
 235         """check if specified pacakges are in the list of inDeselectPackages
 236         """
 237
 238         name = item.name()
 239         for pkg in self.to_deselect:
 240             startx = pkg.startswith("*")
 241             endx = pkg.endswith("*")
 242             ispattern = startx or endx
 243             pkgname, pkgarch = self._splitPkgString(pkg)
 244             if not ispattern:
 245                 if pkgarch:
 246                     if name == pkgname and str(item.arch()) == pkgarch:
 247                         return True;
 248                 else:
 249                     if name == pkgname:
 250                         return True;
 251             else:
 252                 if startx and name.endswith(pkg[1:]):
 253                         return True;
 254                 if endx and name.startswith(pkg[:-1]):
 255                         return True;
 256
 257         return False;
 258
 259     def deselectPackage(self, pkg):
 260         """collect packages should not be installed"""
 261         self.to_deselect.append(pkg)
 262
 263     def selectGroup(self, grp, include = ksparser.GROUP_DEFAULT):
 264         if not self.Z:
 265             self.__initialize_zypp()
 266         found = False
 267         q=zypp.PoolQuery()
 268         q.addKind(zypp.ResKind.pattern)
 269         for item in q.queryResults(self.Z.pool()):
 270             summary = "%s" % item.summary()
 271             name = "%s" % item.name()
 272             if name == grp or summary == grp:
 273                 found = True
 274                 item.status().setToBeInstalled (zypp.ResStatus.USER)
 275                 break
 276
 277         if found:
 278             if include == ksparser.GROUP_REQUIRED:
 279                 map(
 280                     lambda p: self.deselectPackage(p),
 281                     grp.default_packages.keys())
 282
 283             return None
 284         else:
 285             raise CreatorError("Unable to find pattern: %s" % (grp,))
 286
 287     def addRepository(self, name,
 288                             url = None,
 289                             mirrorlist = None,
 290                             proxy = None,
 291                             proxy_username = None,
 292                             proxy_password = None,
 293                             inc = None,
 294                             exc = None,
 295                             ssl_verify = True,
 296                             cost=None,
 297                             priority=None):
 298         # TODO: Handle cost attribute for repos
 299
 300         if not self.repo_manager:
 301             self.__initialize_repo_manager()
 302
 303         if not proxy and url:
 304             proxy = get_proxy_for(url)
 305
 306         repo = RepositoryStub()
 307         repo.name = name
 308         repo.id = name
 309         repo.proxy = proxy
 310         repo.proxy_username = proxy_username
 311         repo.proxy_password = proxy_password
 312         repo.ssl_verify = ssl_verify
 313         repo.baseurl.append(url)
 314         if inc:
 315             for pkg in inc:
 316                 self.incpkgs[pkg] = name
 317         if exc:
 318             for pkg in exc:
 319                 self.excpkgs[pkg] = name
 320
 321         # check LICENSE files
 322         if not rpmmisc.checkRepositoryEULA(name, repo):
 323             msger.warning('skip repo:%s for failed EULA confirmation' % name)
 324             return None
 325
 326         if mirrorlist:
 327             repo.mirrorlist = mirrorlist
 328
 329         # Enable gpg check for verifying corrupt packages
 330         repo.gpgcheck = 1
 331         if priority:
 332             repo.priority = priority
 333         self.repos.append(repo)
 334
 335         try:
 336             repo_info = zypp.RepoInfo()
 337             repo_info.setAlias(repo.name)
 338             repo_info.setName(repo.name)
 339             repo_info.setEnabled(repo.enabled)
 340             repo_info.setAutorefresh(repo.autorefresh)
 341             repo_info.setKeepPackages(repo.keeppackages)
 342             baseurl = zypp.Url(repo.baseurl[0])
 343             if not ssl_verify:
 344                 baseurl.setQueryParam("ssl_verify", "no")
 345             if proxy:
 346                 scheme, host, path, parm, query, frag = urlparse.urlparse(proxy)
 347
 348                 proxyinfo = host.split(":")
 349                 host = proxyinfo[0]
 350
 351                 port = "80"
 352                 if len(proxyinfo) > 1:
 353                     port = proxyinfo[1]
 354
 355                 if proxy.startswith("socks") and len(proxy.rsplit(':', 1)) == 2:
 356                     host = proxy.rsplit(':', 1)[0]
 357                     port = proxy.rsplit(':', 1)[1]
 358
 359                 baseurl.setQueryParam ("proxy", host)
 360                 baseurl.setQueryParam ("proxyport", port)
 361
 362             repo_info.addBaseUrl(baseurl)
 363
 364             if repo.priority:
 365                 repo_info.setPriority(repo.priority)
 366
 367             self.repo_manager.addRepository(repo_info)
 368
 369             self.__build_repo_cache(name)
 370
 371         except RuntimeError, e:
 372             raise CreatorError(str(e))
 373
 374         msger.verbose('repo: %s was added' % name)
 375         return repo
 376
 377     def installHasFile(self, file):
 378         return False
 379
 380     def preInstall(self, pkg):
 381         self.pre_pkgs.append(pkg)
 382
 383     def runInstall(self, checksize = 0):
 384         os.environ["HOME"] = "/"
 385         self.buildTransaction()
 386
 387         todo = zypp.GetResolvablesToInsDel(self.Z.pool())
 388         installed_pkgs = todo._toInstall
 389         dlpkgs = []
 390         for item in installed_pkgs:
 391             if not zypp.isKindPattern(item) and \
 392                not self.inDeselectPackages(item):
 393                 dlpkgs.append(item)
 394
 395         # record all pkg and the content
 396         localpkgs = self.localpkgs.keys()
 397         for pkg in dlpkgs:
 398             license = ''
 399             if pkg.name() in localpkgs:
 400                 hdr = rpmmisc.readRpmHeader(self.ts, self.localpkgs[pkg.name()])
 401                 pkg_long_name = misc.RPM_FMT % {
 402                                     'name': hdr['name'],
 403                                     'arch': hdr['arch'],
 404                                     'ver_rel': '%s-%s' % (hdr['version'],
 405                                                           hdr['release']),
 406                                 }
 407                 license = hdr['license']
 408
 409             else:
 410                 pkg_long_name = misc.RPM_FMT % {
 411                                     'name': pkg.name(),
 412                                     'arch': pkg.arch(),
 413                                     'ver_rel': pkg.edition(),
 414                                 }
 415
 416                 package = zypp.asKindPackage(pkg)
 417                 license = package.license()
 418
 419             self.__pkgs_content[pkg_long_name] = {} #TBD: to get file list
 420
 421             if license in self.__pkgs_license.keys():
 422                 self.__pkgs_license[license].append(pkg_long_name)
 423             else:
 424                 self.__pkgs_license[license] = [pkg_long_name]
 425
 426         total_count = len(dlpkgs)
 427         cached_count = 0
 428         download_total_size = sum(map(lambda x: int(x.downloadSize()), dlpkgs))
 429         localpkgs = self.localpkgs.keys()
 430
 431         msger.info("Checking packages cache and packages integrity ...")
 432         for po in dlpkgs:
 433             # Check if it is cached locally
 434             if po.name() in localpkgs:
 435                 cached_count += 1
 436             else:
 437                 local = self.getLocalPkgPath(po)
 438                 if os.path.exists(local):
 439                     if self.checkPkg(local) != 0:
 440                         os.unlink(local)
 441                     else:
 442                         download_total_size -= int(po.downloadSize())
 443                         cached_count += 1
 444         cache_avail_size = misc.get_filesystem_avail(self.cachedir)
 445         if cache_avail_size < download_total_size:
 446             raise CreatorError("No enough space used for downloading.")
 447
 448         # record the total size of installed pkgs
 449         install_total_size = sum(map(lambda x: int(x.installSize()), dlpkgs))
 450         # check needed size before actually download and install
 451
 452         # FIXME: for multiple partitions for loop type, check fails
 453         #        skip the check temporarily
 454         #if checksize and install_total_size > checksize:
 455         #    raise CreatorError("No enough space used for installing, "
 456         #                       "please resize partition size in ks file")
 457
 458         download_count =  total_count - cached_count
 459         msger.info("%d packages to be installed, "
 460                    "%d packages gotten from cache, "
 461                    "%d packages to be downloaded" \
 462                    % (total_count, cached_count, download_count))
 463
 464         try:
 465             if download_count > 0:
 466                 msger.info("Downloading packages ...")
 467             self.downloadPkgs(dlpkgs, download_count)
 468
 469             self.installPkgs(dlpkgs)
 470
 471         except (RepoError, RpmError):
 472             raise
 473         except Exception, e:
 474             raise CreatorError("Package installation failed: %s" % (e,))
 475
 476     def getAllContent(self):
 477         return self.__pkgs_content
 478
 479     def getPkgsLicense(self):
 480         return self.__pkgs_license
 481
 482     def getFilelist(self, pkgname):
 483         if not pkgname:
 484             return None
 485
 486         if not self.ts:
 487             self.__initialize_transaction()
 488
 489         mi = self.ts.dbMatch('name', pkgname)
 490         for header in mi:
 491             return header['FILENAMES']
 492
 493     def __initialize_repo_manager(self):
 494         if self.repo_manager:
 495             return
 496
 497         # Clean up repo metadata
 498         shutil.rmtree(self.cachedir + "/etc", ignore_errors = True)
 499         shutil.rmtree(self.cachedir + "/solv", ignore_errors = True)
 500         shutil.rmtree(self.cachedir + "/raw", ignore_errors = True)
 501
 502         zypp.KeyRing.setDefaultAccept( zypp.KeyRing.ACCEPT_UNSIGNED_FILE
 503                                      | zypp.KeyRing.ACCEPT_VERIFICATION_FAILED
 504                                      | zypp.KeyRing.ACCEPT_UNKNOWNKEY
 505                                      | zypp.KeyRing.TRUST_KEY_TEMPORARILY
 506                                      )
 507
 508         self.repo_manager_options = \
 509                 zypp.RepoManagerOptions(zypp.Pathname(self.instroot))
 510
 511         self.repo_manager_options.knownReposPath = \
 512                 zypp.Pathname(self.cachedir + "/etc/zypp/repos.d")
 513
 514         self.repo_manager_options.repoCachePath = \
 515                 zypp.Pathname(self.cachedir)
 516
 517         self.repo_manager_options.repoRawCachePath = \
 518                 zypp.Pathname(self.cachedir + "/raw")
 519
 520         self.repo_manager_options.repoSolvCachePath = \
 521                 zypp.Pathname(self.cachedir + "/solv")
 522
 523         self.repo_manager_options.repoPackagesCachePath = \
 524                 zypp.Pathname(self.cachedir + "/packages")
 525
 526         self.repo_manager = zypp.RepoManager(self.repo_manager_options)
 527
 528     def __build_repo_cache(self, name):
 529         repo = self.repo_manager.getRepositoryInfo(name)
 530         if self.repo_manager.isCached(repo) or not repo.enabled():
 531             return
 532
 533         msger.info('Refreshing repository: %s ...' % name)
 534         self.repo_manager.buildCache(repo, zypp.RepoManager.BuildIfNeeded)
 535
 536     def __initialize_zypp(self):
 537         if self.Z:
 538             return
 539
 540         zconfig = zypp.ZConfig_instance()
 541
 542         # Set system architecture
 543         if self.target_arch:
 544             zconfig.setSystemArchitecture(zypp.Arch(self.target_arch))
 545
 546         msger.info("zypp architecture is <%s>" % zconfig.systemArchitecture())
 547
 548         # repoPackagesCachePath is corrected by this
 549         self.repo_manager = zypp.RepoManager(self.repo_manager_options)
 550         repos = self.repo_manager.knownRepositories()
 551         for repo in repos:
 552             if not repo.enabled():
 553                 continue
 554             self.repo_manager.loadFromCache(repo)
 555
 556         self.Z = zypp.ZYppFactory_instance().getZYpp()
 557         self.Z.initializeTarget(zypp.Pathname(self.instroot))
 558         self.Z.target().load()
 559
 560     def buildTransaction(self):
 561         if not self.Z.resolver().resolvePool():
 562             probs = self.Z.resolver().problems()
 563
 564             for problem in probs:
 565                 msger.warning("repo problem: %s, %s" \
 566                               % (problem.description().decode("utf-8"),
 567                                  problem.details().decode("utf-8")))
 568
 569             raise RepoError("found %d resolver problem, abort!" \
 570                             % len(probs))
 571
 572     def getLocalPkgPath(self, po):
 573         repoinfo = po.repoInfo()
 574         cacheroot = repoinfo.packagesPath()
 575         location= zypp.asKindPackage(po).location()
 576         rpmpath = str(location.filename())
 577         pkgpath = "%s/%s" % (cacheroot, os.path.basename(rpmpath))
 578         return pkgpath
 579
 580     def installLocal(self, pkg, po=None, updateonly=False):
 581         if not self.ts:
 582             self.__initialize_transaction()
 583
 584         solvfile = "%s/.solv" % (self.cachedir)
 585
 586         rc, out = runner.runtool([fs_related.find_binary_path("rpms2solv"),
 587                                   pkg])
 588         if rc == 0:
 589             f = open(solvfile, "w+")
 590             f.write(out)
 591             f.close()
 592
 593             warnmsg = self.repo_manager.loadSolvFile(solvfile,
 594                                                      os.path.basename(pkg))
 595             if warnmsg:
 596                 msger.warning(warnmsg)
 597
 598             os.unlink(solvfile)
 599         else:
 600             msger.warning('Can not get %s solv data.' % pkg)
 601
 602         hdr = rpmmisc.readRpmHeader(self.ts, pkg)
 603         arch = zypp.Arch(hdr['arch'])
 604         sysarch = zypp.Arch(self.target_arch)
 605
 606         if arch.compatible_with (sysarch):
 607             pkgname = hdr['name']
 608             self.localpkgs[pkgname] = pkg
 609             self.selectPackage(pkgname)
 610             msger.info("Marking %s to be installed" % (pkg))
 611
 612         else:
 613             msger.warning("Cannot add package %s to transaction. "
 614                           "Not a compatible architecture: %s" \
 615                           % (pkg, hdr['arch']))
 616
 617     def downloadPkgs(self, package_objects, count):
 618         localpkgs = self.localpkgs.keys()
 619         progress_obj = rpmmisc.TextProgress(count)
 620
 621         for po in package_objects:
 622             if po.name() in localpkgs:
 623                 continue
 624
 625             filename = self.getLocalPkgPath(po)
 626             if os.path.exists(filename):
 627                 if self.checkPkg(filename) == 0:
 628                     continue
 629
 630             dirn = os.path.dirname(filename)
 631             if not os.path.exists(dirn):
 632                 os.makedirs(dirn)
 633
 634             baseurl = str(po.repoInfo().baseUrls()[0])
 635             index = baseurl.find("?")
 636             if index > -1:
 637                 baseurl = baseurl[:index]
 638
 639             proxy = self.get_proxy(po.repoInfo())
 640             proxies = {}
 641             if proxy:
 642                 proxies = {str(proxy.split(":")[0]):str(proxy)}
 643
 644             location = zypp.asKindPackage(po).location()
 645             location = str(location.filename())
 646             if location.startswith("./"):
 647                 location = location[2:]
 648
 649             url = baseurl + "/%s" % location
 650
 651             try:
 652                 filename = rpmmisc.myurlgrab(url,
 653                                              filename,
 654                                              proxies,
 655                                              progress_obj)
 656             except CreatorError:
 657                 self.close()
 658                 raise
 659
 660     def preinstallPkgs(self):
 661         if not self.ts_pre:
 662             self.__initialize_transaction()
 663
 664         self.ts_pre.order()
 665         cb = rpmmisc.RPMInstallCallback(self.ts_pre)
 666         cb.headmsg = "Preinstall"
 667         installlogfile = "%s/__catched_stderr.buf" % (self.instroot)
 668
 669         # start to catch stderr output from librpm
 670         msger.enable_logstderr(installlogfile)
 671
 672         errors = self.ts_pre.run(cb.callback, '')
 673         # stop catch
 674         msger.disable_logstderr()
 675         self.ts_pre.closeDB()
 676         self.ts_pre = None
 677
 678         if errors is not None:
 679             if len(errors) == 0:
 680                 msger.warning('scriptlet or other non-fatal errors occurred '
 681                               'during transaction.')
 682
 683             else:
 684                 for e in errors:
 685                     msger.warning(e[0])
 686                 raise RepoError('Could not run transaction.')
 687
 688     def installPkgs(self, package_objects):
 689         if not self.ts:
 690             self.__initialize_transaction()
 691
 692         # Set filters
 693         probfilter = 0
 694         for flag in self.probFilterFlags:
 695             probfilter |= flag
 696         self.ts.setProbFilter(probfilter)
 697         self.ts_pre.setProbFilter(probfilter)
 698
 699         localpkgs = self.localpkgs.keys()
 700
 701         for po in package_objects:
 702             pkgname = po.name()
 703             if pkgname in localpkgs:
 704                 rpmpath = self.localpkgs[pkgname]
 705             else:
 706                 rpmpath = self.getLocalPkgPath(po)
 707
 708             if not os.path.exists(rpmpath):
 709                 # Maybe it is a local repo
 710                 baseurl = str(po.repoInfo().baseUrls()[0])
 711                 baseurl = baseurl.strip()
 712
 713                 location = zypp.asKindPackage(po).location()
 714                 location = str(location.filename())
 715
 716                 if baseurl.startswith("file:/"):
 717                     rpmpath = baseurl[5:] + "/%s" % (location)
 718
 719             if not os.path.exists(rpmpath):
 720                 raise RpmError("Error: %s doesn't exist" % rpmpath)
 721
 722             h = rpmmisc.readRpmHeader(self.ts, rpmpath)
 723
 724             if pkgname in self.pre_pkgs:
 725                 msger.verbose("pre-install package added: %s" % pkgname)
 726                 self.ts_pre.addInstall(h, rpmpath, 'u')
 727
 728             self.ts.addInstall(h, rpmpath, 'u')
 729
 730         unresolved_dependencies = self.ts.check()
 731         if not unresolved_dependencies:
 732             if self.pre_pkgs:
 733                 self.preinstallPkgs()
 734
 735             self.ts.order()
 736             cb = rpmmisc.RPMInstallCallback(self.ts)
 737             installlogfile = "%s/__catched_stderr.buf" % (self.instroot)
 738
 739             # start to catch stderr output from librpm
 740             msger.enable_logstderr(installlogfile)
 741
 742             errors = self.ts.run(cb.callback, '')
 743             # stop catch
 744             msger.disable_logstderr()
 745             self.ts.closeDB()
 746             self.ts = None
 747
 748             if errors is not None:
 749                 if len(errors) == 0:
 750                     msger.warning('scriptlet or other non-fatal errors occurred '
 751                                   'during transaction.')
 752
 753                 else:
 754                     for e in errors:
 755                         msger.warning(e[0])
 756                     raise RepoError('Could not run transaction.')
 757
 758         else:
 759             for pkg, need, needflags, sense, key in unresolved_dependencies:
 760                 package = '-'.join(pkg)
 761
 762                 if needflags == rpm.RPMSENSE_LESS:
 763                     deppkg = ' < '.join(need)
 764                 elif needflags == rpm.RPMSENSE_EQUAL:
 765                     deppkg = ' = '.join(need)
 766                 elif needflags == rpm.RPMSENSE_GREATER:
 767                     deppkg = ' > '.join(need)
 768                 else:
 769                     deppkg = '-'.join(need)
 770
 771                 if sense == rpm.RPMDEP_SENSE_REQUIRES:
 772                     msger.warning("[%s] Requires [%s], which is not provided" \
 773                                   % (package, deppkg))
 774
 775                 elif sense == rpm.RPMDEP_SENSE_CONFLICTS:
 776                     msger.warning("[%s] Conflicts with [%s]" %(package,deppkg))
 777
 778             raise RepoError("Unresolved dependencies, transaction failed.")
 779
 780     def __initialize_transaction(self):
 781         if not self.ts:
 782             self.ts = rpm.TransactionSet(self.instroot)
 783             # Set to not verify DSA signatures.
 784             self.ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES|rpm._RPMVSF_NODIGESTS)
 785
 786         if not self.ts_pre:
 787             self.ts_pre = rpm.TransactionSet(self.instroot)
 788             # Just unpack the files, don't run scripts
 789             self.ts_pre.setFlags(rpm.RPMTRANS_FLAG_ALLFILES | rpm.RPMTRANS_FLAG_NOSCRIPTS)
 790             # Set to not verify DSA signatures.
 791             self.ts_pre.setVSFlags(rpm._RPMVSF_NOSIGNATURES|rpm._RPMVSF_NODIGESTS)
 792
 793     def checkPkg(self, pkg):
 794         ret = 1
 795         if not os.path.exists(pkg):
 796             return ret
 797         ret = rpmmisc.checkRpmIntegrity('rpm', pkg)
 798         if ret != 0:
 799             msger.warning("package %s is damaged: %s" \
 800                           % (os.path.basename(pkg), pkg))
 801
 802         return ret
 803
 804     def _add_prob_flags(self, *flags):
 805         for flag in flags:
 806            if flag not in self.probFilterFlags:
 807                self.probFilterFlags.append(flag)
 808
 809     def get_proxy(self, repoinfo):
 810         proxy = None
 811         reponame = "%s" % repoinfo.name()
 812         for repo in self.repos:
 813             if repo.name == reponame:
 814                 proxy = repo.proxy
 815                 break
 816
 817         if proxy:
 818             return proxy
 819         else:
 820             repourl = str(repoinfo.baseUrls()[0])
 821             return get_proxy_for(repourl)
 822
 823     def package_url(self, pkg):
 824
 825         def cmpEVR(ed1, ed2):
 826             (e1, v1, r1) = map(str, [ed1.epoch(), ed1.version(), ed1.release()])
 827             (e2, v2, r2) = map(str, [ed2.epoch(), ed2.version(), ed2.release()])
 828             return rpm.labelCompare((e1, v1, r1), (e2, v2, r2))
 829
 830         if not self.Z:
 831             self.__initialize_zypp()
 832
 833         q = zypp.PoolQuery()
 834         q.addKind(zypp.ResKind.package)
 835         q.setMatchExact()
 836         q.addAttribute(zypp.SolvAttr.name,pkg)
 837         items = sorted(q.queryResults(self.Z.pool()),
 838                        cmp=lambda x,y: cmpEVR(x.edition(), y.edition()),
 839                        reverse=True)
 840
 841         if items:
 842             baseurl = items[0].repoInfo().baseUrls()[0]
 843             location = zypp.asKindPackage(items[0]).location()
 844             return os.path.join(str(baseurl), str(location.filename()))
 845
 846         return None