477 lines
18 KiB
Python
Executable File
477 lines
18 KiB
Python
Executable File
#!/usr/bin/python -tt
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Library General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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import yum
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import os
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import shutil
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import sys
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import pypungi
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import logging
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class PungiYum(yum.YumBase):
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"""Subclass of Yum"""
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def __init__(self, config):
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self.pungiconfig = config
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yum.YumBase.__init__(self)
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def doLoggingSetup(self, debuglevel, errorlevel):
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"""Setup the logging facility."""
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logdir = os.path.join(self.pungiconfig.get('default', 'destdir'), 'logs')
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if not os.path.exists(logdir):
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os.makedirs(logdir)
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if self.pungiconfig.get('default', 'flavor'):
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logfile = os.path.join(logdir, '%s.%s.log' % (self.pungiconfig.get('default', 'flavor'),
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self.pungiconfig.get('default', 'arch')))
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else:
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logfile = os.path.join(logdir, '%s.log' % (self.pungiconfig.get('default', 'arch')))
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yum.logging.basicConfig(level=yum.logging.DEBUG, filename=logfile)
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def doFileLogSetup(self, uid, logfile):
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# This function overrides a yum function, allowing pungi to control
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# the logging.
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pass
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class Gather(pypungi.PungiBase):
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def __init__(self, config, ksparser):
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# Set up arches, needed for log file name
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hostarch = os.uname()[4]
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if hostarch in yum.rpmUtils.arch.getArchList('athlon'):
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config.set('default', 'arch', 'i386')
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yumarch = 'athlon'
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elif hostarch == 'ppc':
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config.set('default', 'arch', 'ppc')
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yumarch = 'ppc64'
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elif hostarch == 'sparc':
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config.set('default', 'arch', 'sparc')
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yumarch = 'sparc64v'
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else:
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config.set('default', 'arch', hostarch)
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yumarch = hostarch
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pypungi.PungiBase.__init__(self, config)
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# Set our own logging name space
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self.logger = logging.getLogger('Pungi.Gather')
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# Create the stdout/err streams and only send INFO+ stuff there
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formatter = logging.Formatter('%(name)s:%(levelname)s: %(message)s')
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console = logging.StreamHandler()
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console.setFormatter(formatter)
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console.setLevel(logging.INFO)
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self.logger.addHandler(console)
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self.ksparser = ksparser
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self.polist = []
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self.srpmlist = []
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self.resolved_deps = {} # list the deps we've already resolved, short circuit.
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# Create a yum object to use
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self.ayum = PungiYum(config)
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self.ayum.doLoggingSetup(6, 6)
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yumconf = yum.config.YumConf()
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yumconf.debuglevel = 6
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yumconf.errorlevel = 6
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yumconf.cachedir = os.path.join(self.workdir, 'yumcache')
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yumconf.persistdir = os.path.join(self.workdir, 'yumlib')
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yumconf.installroot = os.path.join(self.workdir, 'yumroot')
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yumconf.uid = os.geteuid()
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yumconf.cache = 0
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self.ayum._conf = yumconf
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self.ayum.repos.setCacheDir(self.ayum.conf.cachedir)
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self.ayum.cleanMetadata() # clean metadata that might be in the cache from previous runs
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self.ayum.cleanSqlite() # clean metadata that might be in the cache from previous runs
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self.ayum.compatarch = yumarch
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arches = yum.rpmUtils.arch.getArchList(yumarch)
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arches.append('src') # throw source in there, filter it later
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# deal with our repos
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for repo in ksparser.handler.repo.repoList:
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self.logger.info('Adding repo %s' % repo.name)
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thisrepo = yum.yumRepo.YumRepository(repo.name)
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thisrepo.name = repo.name
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# add excludes and such here when pykickstart gets them
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if repo.mirrorlist:
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thisrepo.mirrorlist = repo.mirrorlist
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self.logger.info('URI for repo %s is %s' % (repo.name, repo.mirrorlist))
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else:
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thisrepo.baseurl = repo.baseurl
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self.logger.info('URI for repo %s is %s' % (repo.name, repo.baseurl))
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self.ayum._repos.add(thisrepo)
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for repo in self.ayum.repos.repos.values():
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self.logger.info('Enabling repo %s' % repo.name)
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repo.enable()
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repo.enablegroups = True
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self.logger.info('Getting sacks for arches %s' % arches)
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self.ayum._getSacks(archlist=arches)
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def _filtersrc(self, po):
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"""Filter out package objects that are of 'src' arch."""
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if po.arch == 'src':
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return False
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return True
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def verifyCachePkg(self, po, path): # Stolen from yum
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"""check the package checksum vs the cache
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return True if pkg is good, False if not"""
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(csum_type, csum) = po.returnIdSum()
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try:
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filesum = yum.misc.checksum(csum_type, path)
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except yum.Errors.MiscError:
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return False
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if filesum != csum:
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return False
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return True
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def getPackageDeps(self, po):
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"""Add the dependencies for a given package to the
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transaction info"""
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self.logger.info('Checking deps of %s.%s' % (po.name, po.arch))
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reqs = po.requires
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provs = po.provides
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for req in reqs:
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if self.resolved_deps.has_key(req):
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continue
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(r,f,v) = req
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if r.startswith('rpmlib(') or r.startswith('config('):
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continue
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if req in provs:
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continue
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deps = self.ayum.whatProvides(r, f, v).returnPackages()
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if not deps:
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self.logger.warn("Unresolvable dependency %s in %s.%s" % (r, po.name, po.arch))
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continue
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depsack = yum.packageSack.ListPackageSack(deps)
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for dep in depsack.returnNewestByNameArch():
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self.ayum.tsInfo.addInstall(dep)
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self.logger.info('Added %s.%s for %s.%s' % (dep.name, dep.arch, po.name, po.arch))
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self.resolved_deps[req] = None
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def getPackagesFromGroup(self, group):
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"""Get a list of package names from a ksparser group object
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Returns a list of package names"""
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packages = []
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# Check if we have the group
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if not self.ayum.comps.has_group(group.name):
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self.logger.error("Group %s not found in comps!" % group)
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return packages
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# Get the group object to work with
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groupobj = self.ayum.comps.return_group(group.name)
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# Add the mandatory packages
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packages.extend(groupobj.mandatory_packages.keys())
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# Add the default packages unless we don't want them
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if group.include == 1:
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packages.extend(groupobj.default_packages.keys())
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# Add the optional packages if we want them
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if group.include == 2:
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packages.extend(groupobj.default_packages.keys())
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packages.extend(groupobj.optional_packages.keys())
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# Deal with conditional packages
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# Populate a dict with the name of the required package and value
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# of the package objects it would bring in. To be used later if
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# we match the conditional.
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for condreq, cond in groupobj.conditional_packages.iteritems():
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pkgs = self.ayum.pkgSack.searchNevra(name=condreq)
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if pkgs:
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pkgs = self.ayum.bestPackagesFromList(pkgs, arch=self.ayum.compatarch)
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if self.ayum.tsInfo.conditionals.has_key(cond):
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self.ayum.tsInfo.conditionals[cond].extend(pkgs)
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else:
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self.ayum.tsInfo.conditionals[cond] = pkgs
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return packages
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def getPackageObjects(self):
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"""Cycle through the list of packages, get package object
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matches, and resolve deps.
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Returns a list of package objects"""
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final_pkgobjs = {} # The final list of package objects
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searchlist = [] # The list of package names/globs to search for
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matchdict = {} # A dict of objects to names
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# First remove the excludes
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self.ayum.conf.exclude.extend(self.ksparser.handler.packages.excludedList)
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self.ayum.excludePackages()
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# Check to see if we need the base group
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if self.ksparser.handler.packages.addBase:
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self.ksparser.handler.packages.add(['@base'])
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# Get a list of packages from groups
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for group in self.ksparser.handler.packages.groupList:
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searchlist.extend(self.getPackagesFromGroup(group))
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# Add the adds
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searchlist.extend(self.ksparser.handler.packages.packageList)
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# Make the search list unique
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searchlist = yum.misc.unique(searchlist)
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# Search repos for things in our searchlist, supports globs
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(exactmatched, matched, unmatched) = yum.packages.parsePackages(self.ayum.pkgSack.returnPackages(), searchlist, casematch=1)
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matches = filter(self._filtersrc, exactmatched + matched)
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# Populate a dict of package objects to their names
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for match in matches:
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matchdict[match.name] = match
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# Get the newest results from the search
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mysack = yum.packageSack.ListPackageSack(matches)
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for match in mysack.returnNewestByNameArch():
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self.ayum.tsInfo.addInstall(match)
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self.logger.debug('Found %s.%s' % (match.name, match.arch))
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for pkg in unmatched:
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if not pkg in matchdict.keys():
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self.logger.warn('Could not find a match for %s' % pkg)
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if len(self.ayum.tsInfo) == 0:
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raise yum.Errors.MiscError, 'No packages found to download.'
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moretoprocess = True
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while moretoprocess: # Our fun loop
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moretoprocess = False
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for txmbr in self.ayum.tsInfo:
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if not final_pkgobjs.has_key(txmbr.po):
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final_pkgobjs[txmbr.po] = None # Add the pkg to our final list
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self.getPackageDeps(txmbr.po) # Get the deps of our package
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moretoprocess = True
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self.polist = final_pkgobjs.keys()
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self.logger.info('Finished gathering package objects.')
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def getSRPMList(self):
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"""Cycle through the list of package objects and
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find the sourcerpm for them. Requires yum still
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configured and a list of package objects"""
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for po in self.polist:
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srpm = po.sourcerpm.split('.src.rpm')[0]
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if not srpm in self.srpmlist:
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self.srpmlist.append(srpm)
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def downloadPackages(self):
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"""Cycle through the list of package objects and
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download them from their respective repos."""
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downloads = []
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for pkg in self.polist:
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downloads.append('%s.%s' % (pkg.name, pkg.arch))
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downloads.sort()
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self.logger.info("Download list: %s" % downloads)
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# Package location within destdir, name subject to change/config
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pkgdir = os.path.join(self.config.get('default', 'destdir'), self.config.get('default', 'version'),
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self.config.get('default', 'flavor'),
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self.config.get('default', 'arch'),
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self.config.get('default', 'osdir'),
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self.config.get('default', 'product_path'))
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if not os.path.exists(pkgdir):
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os.makedirs(pkgdir)
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for pkg in self.polist:
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repo = self.ayum.repos.getRepo(pkg.repoid)
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remote = pkg.relativepath
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local = os.path.basename(remote)
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local = os.path.join(self.config.get('default', 'cachedir'), local)
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if os.path.exists(local) and self.verifyCachePkg(pkg, local):
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self.logger.debug("%s already exists and appears to be complete" % local)
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target = os.path.join(pkgdir, os.path.basename(remote))
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if os.path.exists(target):
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os.remove(target) # avoid traceback after interrupted download
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try:
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os.link(local, target)
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except OSError, e:
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if e.errno == 18:
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# Can't hardlink cross file systems
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shutil.copy2(local, target)
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else:
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self.logger.error('Got an error linking from cache: %s' % e)
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raise OSError, e
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continue
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# Disable cache otherwise things won't download
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repo.cache = 0
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self.logger.info('Downloading %s' % os.path.basename(remote))
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pkg.localpath = local # Hack: to set the localpath to what we want.
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# do a little dance for file:// repos...
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path = repo.getPackage(pkg)
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if not os.path.exists(local) or not os.path.samefile(path, local):
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shutil.copy2(local, path)
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try:
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os.link(local, os.path.join(pkgdir, os.path.basename(remote)))
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except OSError, e:
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if e.errno == 18:
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# Can't hardlink cross file systems
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shutil.copy2(local, os.path.join(pkgdir, os.path.basename(remote)))
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else:
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self.logger.error('Got an error linking from cache: %s' % e)
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raise OSError, e
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self.logger.info('Finished downloading packages.')
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def makeCompsFile(self):
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"""Gather any comps files we can from repos and merge them into one."""
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# get our list of repos
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repos = self.ayum.repos.repos.values()
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compsstub = '<?xml version="1.0" encoding="UTF-8"?>\n<!DOCTYPE comps PUBLIC "-//Red Hat, Inc.//DTD Comps info//EN" "comps.dtd">\n<comps>\n'
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closestub = '\n</comps>\n'
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ourcompspath = os.path.join(self.workdir, '%s-%s-comps.xml' % (self.config.get('default', 'name'), self.config.get('default', 'version')))
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ourcomps = open(ourcompspath, 'w')
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ourcomps.write(compsstub)
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# iterate through the list and get what comps we can.
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# Strip the first three lines and the last line of substance off
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# once done, write it to our comps file
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for repo in repos:
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try:
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groupfile = repo.getGroups()
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except yum.Errors.RepoMDError, e:
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self.logger.warn("No group data found for %s" % repo.id)
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pass
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else:
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compslines = open(groupfile, 'r').readlines()
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for line in compslines:
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if line.startswith('</comps>'):
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end = compslines.index(line)
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for line in compslines:
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if line.startswith('<comps>'):
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start = compslines.index(line) + 1
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ourcomps.writelines(compslines[start:end])
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ourcomps.write(closestub)
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ourcomps.close()
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# Run the xslt filter over our comps file
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compsfilter = ['/usr/bin/xsltproc', '--novalid']
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compsfilter.append('-o')
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compsfilter.append(ourcompspath)
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compsfilter.append('/usr/share/pungi/comps-cleanup.xsl')
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compsfilter.append(ourcompspath)
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pypungi._doRunCommand(compsfilter, self.logger)
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def downloadSRPMs(self):
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"""Cycle through the list of srpms and
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find the package objects for them, Then download them."""
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srpmpolist = []
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for srpm in self.srpmlist:
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(sname, sver, srel) = srpm.rsplit('-', 2)
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try:
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srpmpo = self.ayum.pkgSack.searchNevra(name=sname, ver=sver, rel=srel, arch='src')[0]
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if not srpmpo in srpmpolist:
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srpmpolist.append(srpmpo)
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except IndexError:
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print >> sys.stderr, "Error: Cannot find a source rpm for %s" % srpm
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sys.exit(1)
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# do the downloads
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pkgdir = os.path.join(self.config.get('default', 'destdir'), self.config.get('default', 'version'),
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self.config.get('default', 'flavor'), 'source', 'SRPMS')
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if not os.path.exists(pkgdir):
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os.makedirs(pkgdir)
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for pkg in srpmpolist:
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repo = self.ayum.repos.getRepo(pkg.repoid)
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remote = pkg.relativepath
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local = os.path.basename(remote)
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local = os.path.join(self.config.get('default', 'cachedir'), local)
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if os.path.exists(local) and self.verifyCachePkg(pkg, local):
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self.logger.debug("%s already exists and appears to be complete" % local)
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if os.path.exists(os.path.join(pkgdir, os.path.basename(remote))) and self.verifyCachePkg(pkg, os.path.join(pkgdir, os.path.basename(remote))):
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self.logger.debug("%s already exists in tree and appears to be complete" % local)
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else:
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try:
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os.link(local, os.path.join(pkgdir, os.path.basename(remote)))
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except OSError, e:
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if e.errno == 18:
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# Can't hardlink cross file systems
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shutil.copy2(local, os.path.join(pkgdir, os.path.basename(remote)))
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else:
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self.logger.error('Got an error linking from cache: %s' % e)
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raise OSError, e
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continue
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# Disable cache otherwise things won't download
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repo.cache = 0
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self.logger.info('Downloading %s' % os.path.basename(remote))
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pkg.localpath = local # Hack: to set the localpath to what we want.
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# do a little dance for file:// repos...
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path = repo.getPackage(pkg)
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if not os.path.exists(local) or not os.path.samefile(path, local):
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shutil.copy2(local, path)
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try:
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os.link(local, os.path.join(pkgdir, os.path.basename(remote)))
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except OSError, e:
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if e.errno == 18:
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# Can't hardlink cross file systems
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shutil.copy2(local, target)
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else:
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self.logger.error('Got an error linking from cache: %s' % e)
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raise OSError, e
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