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