/usr/share/pyshared/smart/channels/yast2.py is in python-smartpm 1.4-2.
This file is owned by root:root, with mode 0o644.
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# Copyright (c) 2004 Conectiva, Inc.
#
# Written by Mauricio Teixeira <mteixeira@webset.net>
#
# This file is part of Smart Package Manager.
#
# Smart Package Manager is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 2 of the License, or (at
# your option) any later version.
#
# Smart Package Manager is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Smart Package Manager; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import posixpath
from smart.backends.rpm.yast2 import YaST2Loader
from smart.util.filetools import getFileDigest
from smart.const import FAILED, NEVER
from smart.channel import PackageChannel
from smart import Error, _
class YaST2Channel(PackageChannel):
def __init__(self, baseurl, compressed, *args):
super(YaST2Channel, self).__init__(*args)
self._baseurl = baseurl
self._compressed = compressed
def getCacheCompareURLs(self):
return [posixpath.join(self._baseurl, "media.1/media")]
def getFetchSteps(self):
return 4
def __fetchFile(self, file, fetcher, progress, uncompress=False):
fetcher.reset()
item = fetcher.enqueue(file,uncomp=uncompress)
fetcher.run(progress=progress)
failed = item.getFailedReason()
if failed:
progress.add(self.getFetchSteps()-1)
progress.show()
if fetcher.getCaching() is NEVER:
lines = [_("Failed acquiring information for '%s':") % self,
"%s: %s" % (item.getURL(), failed)]
raise Error, "\n".join(lines)
return item
def fetch(self, fetcher, progress):
# Fetch media information file
# This file contains the timestamp info
# that says if the repository has changed
fetchitem = posixpath.join(self._baseurl, "media.1/media")
fetched = self.__fetchFile(fetchitem, fetcher, progress)
if fetched.getStatus() == FAILED:
return False
digest = getFileDigest(fetched.getTargetPath())
#if digest == self._digest and getattr(self, "force-yast", False):
if digest == self._digest:
return True
# Find location of description files
fetchitem = posixpath.join(self._baseurl, "content")
fetched = self.__fetchFile(fetchitem, fetcher, progress)
if fetched.getStatus() == FAILED:
return False
descrdir = "suse/setup/descr"
datadir = "RPMS"
uncompress = self._compressed
for line in open(fetched.getTargetPath()):
line = line.strip()
try:
key, rest = line.split(None, 1)
except ValueError:
continue
if key == "DESCRDIR":
descrdir = rest
elif key == "DATADIR":
datadir = rest
elif key == "META":
# Autodetect compressed/uncompressed SuSEtags metadata.
if rest.endswith("packages"):
uncompress = False
elif rest.endswith("packages.gz"):
uncompress = True
# Fetch package information (req, dep, prov, etc)
fetchitem = posixpath.join(self._baseurl, "%s/packages" % descrdir)
if uncompress:
fetchitem += ".gz"
fetched = self.__fetchFile(fetchitem, fetcher, progress, uncompress)
if fetched.getStatus() == FAILED:
return False
self.removeLoaders()
pkginfofile = fetched.getTargetPath()
header = open(pkginfofile).readline().strip()
if header == "=Ver: 2.0":
fetchitem = posixpath.join(self._baseurl,
"%s/packages.en" % descrdir)
if uncompress:
fetchitem += ".gz"
fetched = self.__fetchFile(fetchitem, fetcher,
progress, uncompress)
if (fetched.getStatus() == FAILED or
open(fetched.getTargetPath()).readline().strip() != "=Ver: 2.0"):
raise Error, "YaST2 package descriptions not loaded."
else:
pkgdescfile = fetched.getTargetPath()
loader = YaST2Loader(self._baseurl, datadir,
pkginfofile, pkgdescfile)
loader.setChannel(self)
self._loaders.append(loader)
else:
raise Error, _("Invalid package file header (%s)" % header)
self._digest = digest
return True
def create(alias, data):
return YaST2Channel(data["baseurl"],
data["compressed"],
data["type"],
alias,
data["name"],
data["manual"],
data["removable"],
data["priority"])
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