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