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