plugins/backend/zypppkgmgr.py

   1 #!/usr/bin/python -tt
   2 #
   3 # Copyright (c) 2010, 2011 Intel, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License as published by the Free
   7 # Software Foundation; version 2 of the License
   8 #
   9 # This program is distributed in the hope that it will be useful, but
  10 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12 # for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along
  15 # with this program; if not, write to the Free Software Foundation, Inc., 59
  16 # Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 import os
  19 import shutil
  20 import urlparse
  21 import rpm
  22 from mic.utils import runner, fs_related
  23
  24 import zypp
  25 if not hasattr(zypp, 'PoolQuery') or not hasattr(zypp.RepoManager, 'loadSolvFile'):
  26     raise ImportError("python-zypp in host system cannot support PoolQuery or loadSolvFile interface,"
  27                       "please update it to enhanced version which can be found in repo.meego.com/tools")
  28
  29 from mic import msger
  30 from mic.kickstart import ksparser
  31 from mic.utils import rpmmisc
  32 from mic.utils.proxy import get_proxy_for
  33 from mic.utils.errors import CreatorError
  34 from mic.imager.baseimager import BaseImageCreator
  35
  36 class RepositoryStub:
  37     def __init__(self):
  38         self.name = None
  39         self.baseurl = []
  40         self.mirrorlist = None
  41         self.proxy = None
  42         self.proxy_username = None
  43         self.proxy_password = None
  44
  45         self.enabled = True
  46         self.autorefresh = True
  47         self.keeppackages = True
  48
  49 class RepoError(CreatorError):
  50     pass
  51
  52 class RpmError(CreatorError):
  53     pass
  54
  55 from mic.pluginbase import BackendPlugin
  56 class Zypp(BackendPlugin):
  57     name = 'zypp'
  58
  59     def __init__(self, creator = None):
  60         if not isinstance(creator, BaseImageCreator):
  61             raise CreatorError("Invalid argument: creator")
  62
  63         self.__pkgs_license = {}
  64         self.__pkgs_content = {}
  65         self.creator = creator
  66         self.repos = []
  67         self.to_deselect = []
  68         self.localpkgs = {}
  69         self.repo_manager = None
  70         self.repo_manager_options = None
  71         self.Z = None
  72         self.ts = None
  73         self.probFilterFlags = []
  74         self.incpkgs = {}
  75         self.excpkgs = {}
  76
  77         self.has_prov_query = True
  78
  79     def doFileLogSetup(self, uid, logfile):
  80         # don't do the file log for the livecd as it can lead to open fds
  81         # being left and an inability to clean up after ourself
  82         pass
  83
  84     def closeRpmDB(self):
  85         pass
  86
  87     def close(self):
  88         self.closeRpmDB()
  89         if not os.path.exists("/etc/fedora-release") and not os.path.exists("/etc/meego-release"):
  90             for i in range(3, os.sysconf("SC_OPEN_MAX")):
  91                 try:
  92                     os.close(i)
  93                 except:
  94                     pass
  95         if self.ts:
  96             self.ts.closeDB()
  97             self.ts = None
  98
  99     def __del__(self):
 100         self.close()
 101
 102     def _cleanupRpmdbLocks(self, installroot):
 103         # cleans up temporary files left by bdb so that differing
 104         # versions of rpm don't cause problems
 105         import glob
 106         for f in glob.glob(installroot + "/var/lib/rpm/__db*"):
 107             os.unlink(f)
 108
 109     def setup(self, confpath, installroot):
 110         self._cleanupRpmdbLocks(installroot)
 111         self.installroot = installroot
 112
 113     def whatObsolete(self, pkg):
 114         query = zypp.PoolQuery()
 115         query.addKind(zypp.ResKind.package)
 116         query.addAttribute(zypp.SolvAttr.obsoletes, pkg)
 117         query.setMatchExact()
 118         for pi in query.queryResults(self.Z.pool()):
 119             return pi
 120         return None
 121
 122     def _splitPkgString(self, pkg):
 123         sp = pkg.rsplit(".",1)
 124         name = sp[0]
 125         arch = None
 126         if len(sp) == 2:
 127             arch = sp[1]
 128             if self.creator.target_arch == None:
 129                 # TODO, get the default_arch from conf or detected from global settings
 130                 sysarch = zypp.Arch('i686')
 131             else:
 132                 sysarch = zypp.Arch(self.creator.target_arch)
 133             if not zypp.Arch(arch).compatible_with (sysarch):
 134                 arch = None
 135                 name = ".".join(sp)
 136         return name, arch
 137
 138     def selectPackage(self, pkg):
 139         """ Select a given package or package pattern, can be specified with name.arch or name* or *name """
 140         if not self.Z:
 141             self.__initialize_zypp()
 142
 143         def markPoolItem(obs, pi):
 144             if obs == None:
 145                 pi.status().setToBeInstalled (zypp.ResStatus.USER)
 146             else:
 147                 obs.status().setToBeInstalled (zypp.ResStatus.USER)
 148
 149         found = False
 150         startx = pkg.startswith("*")
 151         endx = pkg.endswith("*")
 152         ispattern = startx or endx
 153         name, arch = self._splitPkgString(pkg)
 154
 155         q = zypp.PoolQuery()
 156         q.addKind(zypp.ResKind.package)
 157         if ispattern:
 158             if startx and not endx:
 159                 pattern = '%s$' % (pkg[1:])
 160             if endx and not startx:
 161                 pattern = '^%s' % (pkg[0:-1])
 162             if endx and startx:
 163                 pattern = '%s' % (pkg[1:-1])
 164             q.setMatchRegex()
 165             q.addAttribute(zypp.SolvAttr.name,pattern)
 166         elif arch:
 167             q.setMatchExact()
 168             q.addAttribute(zypp.SolvAttr.name,name)
 169         else:
 170             q.setMatchExact()
 171             q.addAttribute(zypp.SolvAttr.name,pkg)
 172
 173         for item in sorted(q.queryResults(self.Z.pool()), key=lambda item: str(item.edition()), reverse=True):
 174             if item.name() in self.excpkgs.keys() and self.excpkgs[item.name()] == item.repoInfo().name():
 175                 continue
 176             if item.name() in self.incpkgs.keys() and self.incpkgs[item.name()] != item.repoInfo().name():
 177                 continue
 178             found = True
 179             obspkg = self.whatObsolete(item.name())
 180             if arch:
 181                 if arch == str(item.arch()):
 182                     item.status().setToBeInstalled (zypp.ResStatus.USER)
 183             else:
 184                 markPoolItem(obspkg, item)
 185             if not ispattern:
 186                 break
 187         # Can't match using package name, then search from packge provides infomation
 188         if found == False and not ispattern:
 189             q.addAttribute(zypp.SolvAttr.provides, pkg)
 190             q.addAttribute(zypp.SolvAttr.name,'')
 191             for item in sorted(q.queryResults(self.Z.pool()), key=lambda item: str(item.edition()), reverse=True):
 192                 if item.name() in self.excpkgs.keys() and self.excpkgs[item.name()] == item.repoInfo().name():
 193                     continue
 194                 if item.name() in self.incpkgs.keys() and self.incpkgs[item.name()] != item.repoInfo().name():
 195                     continue
 196                 found = True
 197                 obspkg = self.whatObsolete(item.name())
 198                 markPoolItem(obspkg, item)
 199                 break
 200         if found:
 201             return None
 202         else:
 203             raise CreatorError("Unable to find package: %s" % (pkg,))
 204
 205     def inDeselectPackages(self, item):
 206         """check if specified pacakges are in the list of inDeselectPackages"""
 207         name = item.name()
 208         for pkg in self.to_deselect:
 209             startx = pkg.startswith("*")
 210             endx = pkg.endswith("*")
 211             ispattern = startx or endx
 212             pkgname, pkgarch = self._splitPkgString(pkg)
 213             if not ispattern:
 214                 if pkgarch:
 215                     if name == pkgname and str(item.arch()) == pkgarch:
 216                         return True;
 217                 else:
 218                     if name == pkgname:
 219                         return True;
 220             else:
 221                 if startx and name.endswith(pkg[1:]):
 222                         return True;
 223                 if endx and name.startswith(pkg[:-1]):
 224                         return True;
 225         return False;
 226
 227     def deselectPackage(self, pkg):
 228         """collect packages should not be installed"""
 229         self.to_deselect.append(pkg)
 230
 231     def selectGroup(self, grp, include = ksparser.GROUP_DEFAULT):
 232         if not self.Z:
 233             self.__initialize_zypp()
 234         found = False
 235         q=zypp.PoolQuery()
 236         q.addKind(zypp.ResKind.pattern)
 237         for item in q.queryResults(self.Z.pool()):
 238             summary = "%s" % item.summary()
 239             name = "%s" % item.name()
 240             if name == grp or summary == grp:
 241                 found = True
 242                 item.status().setToBeInstalled (zypp.ResStatus.USER)
 243                 break
 244
 245         if found:
 246             if include == ksparser.GROUP_REQUIRED:
 247                 map(lambda p: self.deselectPackage(p), grp.default_packages.keys())
 248             return None
 249         else:
 250             raise CreatorError("Unable to find pattern: %s" % (grp,))
 251
 252     def addRepository(self, name, url = None, mirrorlist = None, proxy = None, proxy_username = None, proxy_password = None, inc = None, exc = None):
 253         if not self.repo_manager:
 254             self.__initialize_repo_manager()
 255
 256         repo = RepositoryStub()
 257         repo.name = name
 258         repo.id = name
 259         repo.proxy = proxy
 260         repo.proxy_username = proxy_username
 261         repo.proxy_password = proxy_password
 262         repo.baseurl.append(url)
 263         if inc:
 264             for pkg in inc:
 265                 self.incpkgs[pkg] = name
 266         if exc:
 267             for pkg in exc:
 268                 self.excpkgs[pkg] = name
 269
 270         # check LICENSE files
 271         if not rpmmisc.checkRepositoryEULA(name, repo):
 272             msger.warning('skip repo:%s for failed EULA confirmation' % name)
 273             return None
 274
 275         if mirrorlist:
 276             repo.mirrorlist = mirrorlist
 277
 278         # Enable gpg check for verifying corrupt packages
 279         repo.gpgcheck = 1
 280         self.repos.append(repo)
 281
 282         try:
 283             repo_info = zypp.RepoInfo()
 284             repo_info.setAlias(repo.name)
 285             repo_info.setName(repo.name)
 286             repo_info.setEnabled(repo.enabled)
 287             repo_info.setAutorefresh(repo.autorefresh)
 288             repo_info.setKeepPackages(repo.keeppackages)
 289             baseurl = zypp.Url(repo.baseurl[0])
 290             if proxy:
 291                 (scheme, host, path, parm, query, frag) = urlparse.urlparse(proxy)
 292                 proxyinfo = host.split(":")
 293                 baseurl.setQueryParam ("proxy", proxyinfo[0])
 294                 port = "80"
 295                 if len(proxyinfo) > 1:
 296                     port = proxyinfo[1]
 297                 baseurl.setQueryParam ("proxyport", port)
 298             repo_info.addBaseUrl(baseurl)
 299             self.repo_manager.addRepository(repo_info)
 300             self.__build_repo_cache(name)
 301         except RuntimeError, e:
 302             raise CreatorError(str(e))
 303
 304         msger.verbose('repo: %s was added' % name)
 305         return repo
 306
 307     def installHasFile(self, file):
 308         return False
 309
 310     def runInstall(self, checksize = 0):
 311         os.environ["HOME"] = "/"
 312         self.buildTransaction()
 313
 314         todo = zypp.GetResolvablesToInsDel(self.Z.pool())
 315         installed_pkgs = todo._toInstall
 316         dlpkgs = []
 317         for item in installed_pkgs:
 318             if not zypp.isKindPattern(item) and not self.inDeselectPackages(item):
 319                 dlpkgs.append(item)
 320
 321         # record the total size of installed pkgs
 322         pkgs_total_size = sum(map(lambda x: int(x.installSize()), dlpkgs))
 323
 324         # check needed size before actually download and install
 325         if checksize and pkgs_total_size > checksize:
 326             raise CreatorError("Size of specified root partition in kickstart file is too small to install all selected packages.")
 327
 328         # record all pkg and the content
 329         localpkgs = self.localpkgs.keys()
 330         for pkg in dlpkgs:
 331             license = ''
 332             if pkg.name() in localpkgs:
 333                 hdr = rpmmisc.readRpmHeader(self.ts, self.localpkgs[pkg.name()])
 334                 pkg_long_name = "%s-%s-%s.%s.rpm" % (hdr['name'], hdr['version'], hdr['release'], hdr['arch'])
 335                 license = hdr['license']
 336             else:
 337                 pkg_long_name = "%s-%s.%s.rpm" % (pkg.name(), pkg.edition(), pkg.arch())
 338                 package = zypp.asKindPackage(pkg)
 339                 license = package.license()
 340             self.__pkgs_content[pkg_long_name] = {} #TBD: to get file list
 341             if license in self.__pkgs_license.keys():
 342                 self.__pkgs_license[license].append(pkg_long_name)
 343             else:
 344                 self.__pkgs_license[license] = [pkg_long_name]
 345
 346         total_count = len(dlpkgs)
 347         cached_count = 0
 348         localpkgs = self.localpkgs.keys()
 349         msger.info("Checking packages cache and packages integrity ...")
 350         for po in dlpkgs:
 351             """ Check if it is cached locally """
 352             if po.name() in localpkgs:
 353                 cached_count += 1
 354             else:
 355                 local = self.getLocalPkgPath(po)
 356                 if os.path.exists(local):
 357                     if self.checkPkg(local) != 0:
 358                         os.unlink(local)
 359                     else:
 360                         cached_count += 1
 361         download_count =  total_count - cached_count
 362         msger.info("%d packages to be installed, %d packages gotten from cache, %d packages to be downloaded" % (total_count, cached_count, download_count))
 363         try:
 364             if download_count > 0:
 365                 msger.info("Downloading packages ...")
 366             self.downloadPkgs(dlpkgs, download_count)
 367             self.installPkgs(dlpkgs)
 368
 369         except RepoError, e:
 370             raise CreatorError("Unable to download from repo : %s" % (e,))
 371         except RpmError, e:
 372             raise CreatorError("Unable to install: %s" % (e,))
 373
 374     def getAllContent(self):
 375         return self.__pkgs_content
 376
 377     def getPkgsLicense(self):
 378         return self.__pkgs_license
 379
 380     def __initialize_repo_manager(self):
 381         if self.repo_manager:
 382             return
 383
 384         """ Clean up repo metadata """
 385         shutil.rmtree(self.creator.cachedir + "/etc", ignore_errors = True)
 386         shutil.rmtree(self.creator.cachedir + "/solv", ignore_errors = True)
 387         shutil.rmtree(self.creator.cachedir + "/raw", ignore_errors = True)
 388
 389         zypp.KeyRing.setDefaultAccept( zypp.KeyRing.ACCEPT_UNSIGNED_FILE
 390                                      | zypp.KeyRing.ACCEPT_VERIFICATION_FAILED
 391                                      | zypp.KeyRing.ACCEPT_UNKNOWNKEY
 392                                      | zypp.KeyRing.TRUST_KEY_TEMPORARILY
 393                                      )
 394         self.repo_manager_options = zypp.RepoManagerOptions(zypp.Pathname(self.creator._instroot))
 395         self.repo_manager_options.knownReposPath = zypp.Pathname(self.creator.cachedir + "/etc/zypp/repos.d")
 396         self.repo_manager_options.repoCachePath = zypp.Pathname(self.creator.cachedir)
 397         self.repo_manager_options.repoRawCachePath = zypp.Pathname(self.creator.cachedir + "/raw")
 398         self.repo_manager_options.repoSolvCachePath = zypp.Pathname(self.creator.cachedir + "/solv")
 399         self.repo_manager_options.repoPackagesCachePath = zypp.Pathname(self.creator.cachedir + "/packages")
 400
 401         self.repo_manager = zypp.RepoManager(self.repo_manager_options)
 402
 403     def __build_repo_cache(self, name):
 404         repo = self.repo_manager.getRepositoryInfo(name)
 405         if self.repo_manager.isCached(repo) or not repo.enabled():
 406             return
 407         self.repo_manager.buildCache(repo, zypp.RepoManager.BuildIfNeeded)
 408
 409     def __initialize_zypp(self):
 410         if self.Z:
 411             return
 412
 413         zconfig = zypp.ZConfig_instance()
 414
 415         """ Set system architecture """
 416         if self.creator.target_arch:
 417             zconfig.setSystemArchitecture(zypp.Arch(self.creator.target_arch))
 418
 419         msger.info("zypp architecture is <%s>" % zconfig.systemArchitecture())
 420
 421         """ repoPackagesCachePath is corrected by this """
 422         self.repo_manager = zypp.RepoManager(self.repo_manager_options)
 423         repos = self.repo_manager.knownRepositories()
 424         for repo in repos:
 425             if not repo.enabled():
 426                 continue
 427             self.repo_manager.loadFromCache(repo)
 428
 429         self.Z = zypp.ZYppFactory_instance().getZYpp()
 430         self.Z.initializeTarget(zypp.Pathname(self.creator._instroot))
 431         self.Z.target().load()
 432
 433
 434     def buildTransaction(self):
 435         if not self.Z.resolver().resolvePool():
 436             msger.warning("Problem count: %d" % len(self.Z.resolver().problems()))
 437             for problem in self.Z.resolver().problems():
 438                 msger.warning("Problem: %s, %s" % (problem.description().decode("utf-8"), problem.details().decode("utf-8")))
 439
 440     def getLocalPkgPath(self, po):
 441         repoinfo = po.repoInfo()
 442         cacheroot = repoinfo.packagesPath()
 443         location= zypp.asKindPackage(po).location()
 444         rpmpath = str(location.filename())
 445         pkgpath = "%s/%s" % (cacheroot, rpmpath)
 446         return pkgpath
 447
 448     def installLocal(self, pkg, po=None, updateonly=False):
 449         if not self.ts:
 450             self.__initialize_transaction()
 451         solvfile = "%s/.solv" % (self.creator.cachedir)
 452         rc, out = runner.runtool([fs_related.find_binary_path("rpms2solv"), pkg])
 453         if rc == 0:
 454             f = open(solvfile, "w+")
 455             f.write(out)
 456             f.close()
 457             warnmsg = self.repo_manager.loadSolvFile(solvfile , os.path.basename(pkg))
 458             if warnmsg:
 459                 msger.warning(warnmsg)
 460             os.unlink(solvfile)
 461         else:
 462             msger.warning('Can not get %s solv data.' % pkg)
 463         hdr = rpmmisc.readRpmHeader(self.ts, pkg)
 464         arch = zypp.Arch(hdr['arch'])
 465         if self.creator.target_arch == None:
 466             # TODO, get the default_arch from conf or detected from global settings
 467             sysarch = zypp.Arch('i686')
 468         else:
 469             sysarch = zypp.Arch(self.creator.target_arch)
 470         if arch.compatible_with (sysarch):
 471             pkgname = hdr['name']
 472             self.localpkgs[pkgname] = pkg
 473             self.selectPackage(pkgname)
 474             msger.info("Marking %s to be installed" % (pkg))
 475         else:
 476             msger.warning ("Cannot add package %s to transaction. Not a compatible architecture: %s" % (pkg, hdr['arch']))
 477
 478     def downloadPkgs(self, package_objects, count):
 479         localpkgs = self.localpkgs.keys()
 480         progress_obj = rpmmisc.TextProgress(count)
 481         for po in package_objects:
 482             if po.name() in localpkgs:
 483                 continue
 484             filename = self.getLocalPkgPath(po)
 485             if os.path.exists(filename):
 486                 if self.checkPkg(filename) == 0:
 487                     continue
 488             dirn = os.path.dirname(filename)
 489             if not os.path.exists(dirn):
 490                 os.makedirs(dirn)
 491             baseurl = str(po.repoInfo().baseUrls()[0])
 492             index = baseurl.find("?")
 493             if index > -1:
 494                 baseurl = baseurl[:index]
 495             proxy = self.get_proxy(po.repoInfo())
 496             proxies = {}
 497             if proxy:
 498                 proxies = {str(proxy.split(":")[0]):str(proxy)}
 499
 500             location = zypp.asKindPackage(po).location()
 501             location = str(location.filename())
 502             if location.startswith("./"):
 503                 location = location[2:]
 504             url = baseurl + "/%s" % location
 505             try:
 506                 filename = rpmmisc.myurlgrab(url, filename, proxies, progress_obj)
 507             except CreatorError:
 508                 self.close()
 509                 raise
 510
 511     def installPkgs(self, package_objects):
 512         if not self.ts:
 513             self.__initialize_transaction()
 514
 515         """ Set filters """
 516         probfilter = 0
 517         for flag in self.probFilterFlags:
 518             probfilter |= flag
 519         self.ts.setProbFilter(probfilter)
 520
 521         localpkgs = self.localpkgs.keys()
 522         for po in package_objects:
 523             pkgname = po.name()
 524             if pkgname in localpkgs:
 525                 rpmpath = self.localpkgs[pkgname]
 526             else:
 527                 rpmpath = self.getLocalPkgPath(po)
 528             if not os.path.exists(rpmpath):
 529                 """ Maybe it is a local repo """
 530                 baseurl = str(po.repoInfo().baseUrls()[0])
 531                 baseurl = baseurl.strip()
 532                 location = zypp.asKindPackage(po).location()
 533                 location = str(location.filename())
 534                 if baseurl.startswith("file:/"):
 535                     rpmpath = baseurl[5:] + "/%s" % (location)
 536             if not os.path.exists(rpmpath):
 537                 raise RpmError("Error: %s doesn't exist" % rpmpath)
 538             h = rpmmisc.readRpmHeader(self.ts, rpmpath)
 539             self.ts.addInstall(h, rpmpath, 'u')
 540
 541         unresolved_dependencies = self.ts.check()
 542         if not unresolved_dependencies:
 543             self.ts.order()
 544             cb = rpmmisc.RPMInstallCallback(self.ts)
 545             installlogfile = "%s/__catched_stderr.buf" % (self.creator._instroot)
 546             msger.enable_logstderr(installlogfile)
 547             errors = self.ts.run(cb.callback, '')
 548             if errors is None:
 549                 pass
 550             elif len(errors) == 0:
 551                 msger.warning('scriptlet or other non-fatal errors occurred during transaction.')
 552             else:
 553                 for e in errors:
 554                     msger.warning(e[0])
 555                 msger.error('Could not run transaction.')
 556             msger.disable_logstderr()
 557
 558             self.ts.closeDB()
 559             self.ts = None
 560         else:
 561             for pkg, need, needflags, sense, key in unresolved_dependencies:
 562                 package = '-'.join(pkg)
 563                 if needflags == rpm.RPMSENSE_LESS:
 564                     deppkg = ' < '.join(need)
 565                 elif needflags == rpm.RPMSENSE_EQUAL:
 566                     deppkg = ' = '.join(need)
 567                 elif needflags == rpm.RPMSENSE_GREATER:
 568                     deppkg = ' > '.join(need)
 569                 else:
 570                     deppkg = '-'.join(need)
 571
 572                 if sense == rpm.RPMDEP_SENSE_REQUIRES:
 573                     msger.warning ("[%s] Requires [%s], which is not provided" % (package, deppkg))
 574                 elif sense == rpm.RPMDEP_SENSE_CONFLICTS:
 575                     msger.warning ("[%s] Conflicts with [%s]" % (package, deppkg))
 576
 577             raise RepoError("Unresolved dependencies, transaction failed.")
 578
 579     def __initialize_transaction(self):
 580         if not self.ts:
 581             self.ts = rpm.TransactionSet(self.creator._instroot)
 582             # Set to not verify DSA signatures.
 583             self.ts.setVSFlags(rpm._RPMVSF_NOSIGNATURES|rpm._RPMVSF_NODIGESTS)
 584
 585     def checkPkg(self, pkg):
 586         ret = 1
 587         if not os.path.exists(pkg):
 588             return ret
 589         ret = rpmmisc.checkRpmIntegrity('rpm', pkg)
 590         if ret != 0:
 591             msger.warning("package %s is damaged: %s" % (os.path.basename(pkg), pkg))
 592
 593         return ret
 594
 595     def _add_prob_flags(self, *flags):
 596         for flag in flags:
 597            if flag not in self.probFilterFlags:
 598                self.probFilterFlags.append(flag)
 599
 600     def get_proxy(self, repoinfo):
 601         proxy = None
 602         reponame = "%s" % repoinfo.name()
 603         for repo in self.repos:
 604             if repo.name == reponame:
 605                 proxy = repo.proxy
 606                 break
 607
 608         if proxy:
 609             return proxy
 610         else:
 611             repourl = str(repoinfo.baseUrls()[0])
 612             return get_proxy_for(repourl)