217 lines
8.2 KiB
Python
Executable File
217 lines
8.2 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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class Gather(yum.YumBase):
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def __init__(self, config, pkglist):
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# Create a yum object to use
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yum.YumBase.__init__(self)
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self.doConfigSetup(fn=config.get('default', 'yumconf'))
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self.cleanMetadata() # clean metadata that might be in the cache from previous runs
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self.cleanSqlite() # clean metadata that might be in the cache from previous runs
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self.doRepoSetup()
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if config.get('default', 'arch') == 'i386':
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arches = yum.rpmUtils.arch.getArchList('i686')
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else:
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arches = yum.rpmUtils.arch.getArchList(config.get('default', 'arch'))
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self.doSackSetup(arches)
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self.logger = yum.logging.getLogger("yum.verbose.pungi")
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self.config = config
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self.pkglist = pkglist
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self.polist = []
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def getPackageDeps(self, po):
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"""Return the dependencies for a given package, as well
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possible solutions for those dependencies.
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Returns the deps as a list"""
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if not self.config.has_option('default', 'quiet'):
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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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pkgresults = {}
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for req in reqs:
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(r,f,v) = req
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if r.startswith('rpmlib('):
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continue
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provides = self.whatProvides(r, f, v)
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for provide in provides.returnNewestByNameArch():
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if not pkgresults.has_key(provide):
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pkgresults[provide] = None
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return pkgresults.keys()
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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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unprocessed_pkgs = {} # list of packages yet to depsolve ## Use dicts for speed
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final_pkgobjs = {} # The final list of package objects
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for pkg in self.pkglist: # cycle through our package list and get repo matches
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matches = self.pkgSack.searchNevra(name=pkg)
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mysack = yum.packageSack.ListPackageSack(matches)
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for match in mysack.returnNewestByNameArch():
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unprocessed_pkgs[match] = None
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if not self.config.has_option('default', 'quiet'):
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for pkg in unprocessed_pkgs.keys():
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self.logger.info('Found %s.%s' % (pkg.name, pkg.arch))
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if len(unprocessed_pkgs) == 0:
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raise yum.Errors.MiscError, 'No packages found to download.'
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while len(unprocessed_pkgs) > 0: # Our fun loop
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for pkg in unprocessed_pkgs.keys():
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if not final_pkgobjs.has_key(pkg):
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final_pkgobjs[pkg] = None # Add the pkg to our final list
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deplist = self.getPackageDeps(pkg) # Get the deps of our package
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for dep in deplist: # Cycle through deps, if we don't already have it, add it.
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if not unprocessed_pkgs.has_key(dep) and not final_pkgobjs.has_key(dep):
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unprocessed_pkgs[dep] = None
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del unprocessed_pkgs[pkg] # Clear the package out of our todo list.
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self.polist = final_pkgobjs.keys()
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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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if not self.config.has_option('default', 'quiet'):
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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', 'arch'), 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.repos.getRepo(pkg.repoid)
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remote = pkg.returnSimple('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
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str(os.path.getsize(local)) == pkg.returnSimple('packagesize')):
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if not self.config.has_option('default', 'quiet'):
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self.logger.info("%s already exists and appears to be complete" % local)
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os.link(local, os.path.join(pkgdir, os.path.basename(remote)))
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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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if not self.config.has_option('default', 'quiet'):
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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(path, local)
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os.link(local, os.path.join(pkgdir, os.path.basename(remote)))
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def main():
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# This is used for testing the module
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(opts, args) = get_arguments()
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pkglist = get_packagelist(opts.comps)
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if not os.path.exists(opts.destdir):
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try:
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os.makedirs(opts.destdir)
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except OSError, e:
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print >> sys.stderr, "Error: Cannot create destination dir %s" % opts.destdir
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sys.exit(1)
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if not os.path.exists(opts.cachedir):
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try:
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os.makedirs(opts.cachedir)
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except OSError, e:
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print >> sys.stderr, "Error: Cannot create cache dir %s" % opts.cachedir
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sys.exit(1)
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mygather = Gather(opts, pkglist)
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mygather.getPackageObjects()
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mygather.downloadPackages()
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if __name__ == '__main__':
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from optparse import OptionParser
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import sys
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def get_arguments():
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# hack job for now, I'm sure this could be better for our uses
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usage = "usage: %s [options]" % sys.argv[0]
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parser = OptionParser(usage=usage)
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parser.add_option("--destdir", default=".", dest="destdir",
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help='destination directory (defaults to current directory)')
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parser.add_option("--cachedir", default="./cache", dest="cachedir",
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help='cache directory (defaults to cache subdir of current directory)')
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parser.add_option("--comps", default="comps.xml", dest="comps",
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help='comps file to use')
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parser.add_option("--yumconf", default="yum.conf", dest="yumconf",
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help='yum config file to use')
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parser.add_option("--arch", default="i386", dest="arch",
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help='Base arch to use')
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parser.add_option("-q", "--quiet", default=False, action="store_true",
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help="Output as little as possible")
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(opts, args) = parser.parse_args()
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#if len(opts) < 1:
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# parser.print_help()
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# sys.exit(0)
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return (opts, args)
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def get_packagelist(myComps):
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# Get the list of packages from the comps file
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try:
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compsobj = yum.comps.Comps()
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compsobj.add(myComps)
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except IOError:
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print >> sys.stderr, "gather.py: No such file:\'%s\'" % opts.comps
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sys.exit(1)
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pkglist = []
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for group in compsobj.groups:
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pkglist += group.packages
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return pkglist
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main()
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