/usr/share/pyshared/smart/channels/urpmi.py is in python-smartpm 1.4-2.
This file is owned by root:root, with mode 0o644.
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# Copyright (c) 2005 Canonical
# Copyright (c) 2004 Conectiva, Inc.
#
# Written by Gustavo Niemeyer <niemeyer@conectiva.com>
#
# 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
#
from smart.backends.rpm.synthesis import URPMISynthesisLoader
from smart.backends.rpm.descriptions import RPMDescriptions
from smart.backends.rpm.header import URPMILoader
from smart.util.filetools import getFileDigest
from smart.const import SUCCEEDED, FAILED, ALWAYS, NEVER
from smart.channel import PackageChannel, MirrorsChannel
from smart import *
import posixpath
import re
import os
class URPMIChannel(PackageChannel, MirrorsChannel):
# It's important for the default to be here so that old pickled
# instances which don't have these attributes still work fine.
_mirrors = {}
_directory = None
_mirrorurl = None
def __init__(self, baseurl, hdlurl, directory=None, mirrorurl=None, *args):
super(URPMIChannel, self).__init__(*args)
self._baseurl = baseurl
self._directory = directory
self._mirrorurl = mirrorurl
if directory:
baseurl += "/" + directory + "/"
if hdlurl:
if hdlurl[0] != "/" and ":/" not in hdlurl:
self._hdlurl = posixpath.join(baseurl, hdlurl)
else:
self._hdlurl = hdlurl
else:
self._hdlurl = posixpath.join(self._baseurl, "hdlist.cz")
hdldir = posixpath.dirname(self._hdlurl)
self._infourl = posixpath.join(hdldir, "info.xml.lzma")
self._compareurl = self._hdlurl
def getCacheCompareURLs(self):
return [self._compareurl]
def getFetchSteps(self):
return 4
def loadMirrors(self, path):
from smart.util.geolocate import GeoLocate
geoloc = GeoLocate(sysconf.get("clock"), sysconf.get("zone-tab"))
mirrors = []
fp = open(path)
for line in fp.readlines():
mirror = {"country": None, "continent": None}
for item in line.split(","):
key, entry = item.split("=")
mirror[key] = entry.strip()
mirror["proximity"] = geoloc.getProximity(
float(mirror["latitude"]), float(mirror["longitude"]),
randomize=True,
country=mirror["country"], continent=mirror["continent"])
mirrors.append(mirror)
fp.close()
mirrors.sort(lambda x,y: cmp(x["proximity"], y["proximity"]))
return mirrors
def fetch(self, fetcher, progress):
fetcher.reset()
if self._mirrorurl:
mirrorlist = self._mirrorurl
item = fetcher.enqueue(mirrorlist)
fetcher.run(progress=progress)
if item.getStatus() is FAILED:
progress.add(self.getFetchSteps()-1)
if fetcher.getCaching() is NEVER:
iface.warning(_("Could not load mirror list. Continuing with base URL only."))
else:
self._mirrors.clear()
mirrorurls = []
mirrors = self.loadMirrors(item.getTargetPath())
for mirror in mirrors:
scheme = mirror["url"].split(":")[0]
if not fetcher.getHandler(scheme, None):
continue
if mirror["type"] != "distrib":
continue
mirrorurls.append(mirror["url"])
if mirrorurls:
self._mirrors[self._baseurl] = mirrorurls
fetcher.reset()
else:
progress.add(1)
self._compareurl = self._hdlurl
hdlbaseurl, basename = os.path.split(self._hdlurl)
infoname = os.path.split(self._infourl)[1]
md5url = posixpath.join(hdlbaseurl, "MD5SUM")
item = fetcher.enqueue(md5url)
fetcher.run(progress=progress)
hdlmd5 = None
infomd5 = None
failed = item.getFailedReason()
if not failed:
self._compareurl = md5url
digest = getFileDigest(item.getTargetPath())
if digest == self._digest:
progress.add(3)
return True
basename = posixpath.basename(self._hdlurl)
infoname = posixpath.basename(self._infourl)
try:
for line in open(item.getTargetPath()):
line = line.strip()
if line:
md5, name = line.split()
if name == basename:
hdlmd5 = md5
if name == infoname:
infomd5 = md5
except ValueError:
pass
fetcher.reset()
hdlitem = fetcher.enqueue(self._hdlurl, md5=hdlmd5, uncomp=True)
if infomd5:
infoitem = fetcher.enqueue(self._infourl, md5=infomd5, uncomp=True)
else:
progress.add(1)
infoitem = None
# do not get "descriptions" on non "update" media
if self.getName().find("Updates") == -1:
progress.add(1)
descitem = None
else:
descurl = posixpath.join(hdlbaseurl, "descriptions")
descitem = fetcher.enqueue(descurl)
fetcher.run(progress=progress)
if hdlitem.getStatus() == FAILED:
hdfailed = hdlitem.getFailedReason()
if fetcher.getCaching() is NEVER:
# Try reading reconfig.urpmi (should give new path)
fetcher.reset()
reconfigurl = posixpath.join(hdlbaseurl, "reconfig.urpmi")
reconfigitem = fetcher.enqueue(reconfigurl)
fetcher.run(progress=progress)
if reconfigitem.getStatus() == FAILED:
refailed = reconfigitem.getFailedReason()
if fetcher.getCaching() is NEVER:
lines = [_("Failed acquiring information for '%s':") % self,
u"%s: %s" % (hdlitem.getURL(), hdfailed),
u"%s: %s" % (reconfigitem.getURL(), refailed)]
raise Error, "\n".join(lines)
return False
else:
# Need to inject "/" at the end to avoid buggy urls
if not hdlbaseurl.endswith("/"): hdlbaseurl += "/"
for line in open(reconfigitem.getTargetPath()):
if line.startswith("#"): pass
elif line:
splitline = line.split()
arch = os.uname()[4]
if arch == "i686": arch = "i586"
reconfarch = re.sub("\$ARCH", arch, splitline[1])
reconfpath = re.sub(splitline[0] + "$", reconfarch, hdlbaseurl)
sysconf.set(("channels", self.getAlias(), \
"baseurl"), reconfpath)
self._hdlurl = os.path.join(reconfpath, basename)
self._infourl = os.path.join(reconfpath, infoname)
return self.fetch(fetcher, progress)
return False
else:
localpath = hdlitem.getTargetPath()
digestpath = None
infopath = None
listpath = None
if self._compareurl == self._hdlurl:
digestpath = localpath
if digestpath:
digest = getFileDigest(digestpath)
if digest == self._digest:
return True
self.removeLoaders()
if localpath.endswith(".cz"):
if (not os.path.isfile(localpath[:-3]) or
fetcher.getCaching() != ALWAYS):
linkpath = fetcher.getLocalPath(hdlitem)
linkpath = linkpath[:-2]+"gz"
if not os.access(os.path.dirname(linkpath), os.W_OK):
dirname = os.path.join(sysconf.get("user-data-dir"),
"channels")
basename = os.path.basename(linkpath)
if not os.path.isdir(dirname):
os.makedirs(dirname)
linkpath = os.path.join(dirname, basename)
if os.path.isfile(linkpath):
os.unlink(linkpath)
os.symlink(localpath, linkpath)
localpath = linkpath
uncompressor = fetcher.getUncompressor()
uncomphandler = uncompressor.getHandler(linkpath)
try:
uncomphandler.uncompress(linkpath)
except Error, e:
# cz file has trailing information which breaks
# current gzip module logic.
if "Not a gzipped file" not in e[0]:
os.unlink(linkpath)
raise
os.unlink(linkpath)
localpath = localpath[:-3]
if infoitem and infoitem.getStatus() == SUCCEEDED:
infopath = infoitem.getTargetPath()
elif infoitem and infoitem.getStatus() == FAILED:
lines = [_("Failed acquiring information for '%s':") % self,
u"%s: %s" % (infoitem.getURL(), infoitem.getFailedReason())]
raise Warning, "\n".join(lines)
flagdict = {}
if descitem and descitem.getStatus() == SUCCEEDED:
descpath = descitem.getTargetPath()
errata = RPMDescriptions(descpath)
errata.load()
#errata.setErrataFlags() <-- done in loader
flagdict = errata.getErrataFlags()
baseurl = self._baseurl
directory = self._directory
if directory:
baseurl += "/" + directory + "/"
if open(localpath).read(4) == "\x8e\xad\xe8\x01":
loader = URPMILoader(localpath, baseurl, listpath)
else:
loader = URPMISynthesisLoader(localpath, baseurl, listpath, infopath)
# need to set flags while loading
loader.setErrataFlags(flagdict)
loader.setChannel(self)
self._loaders.append(loader)
self._digest = digest
return True
def create(alias, data):
return URPMIChannel(data["baseurl"],
data["hdlurl"],
data["directory"],
data["mirrorurl"],
data["type"],
alias,
data["name"],
data["manual"],
data["removable"],
data["priority"])
# vim:ts=4:sw=4:et
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