diff options
Diffstat (limited to 'UpdateManager/MetaRelease.py')
| -rw-r--r-- | UpdateManager/MetaRelease.py | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/UpdateManager/MetaRelease.py b/UpdateManager/MetaRelease.py deleted file mode 100644 index 70993eaf..00000000 --- a/UpdateManager/MetaRelease.py +++ /dev/null @@ -1,177 +0,0 @@ -# MetaRelease.py -# -# Copyright (c) 2004,2005 Canonical -# -# Author: Michael Vogt <michael.vogt@ubuntu.com> -# -# This program 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. -# -# This program 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 this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 -# USA - -import pygtk -pygtk.require('2.0') -import gobject -import thread -import urllib2 -import os -import string -import apt_pkg -import time -import rfc822 -from subprocess import Popen,PIPE - -class Dist(object): - def __init__(self, name, version, date, supported): - self.name = name - self.version = version - self.date = date - self.supported = supported - self.releaseNotesURI = None - self.upgradeTool = None - self.upgradeToolSig = None - -class MetaRelease(gobject.GObject): - - # some constants - METARELEASE_URI = "http://changelogs.ubuntu.com/meta-release" - METARELEASE_URI_UNSTABLE = "http://changelogs.ubuntu.com/meta-release-development" - METARELEASE_FILE = "/var/lib/update-manager/meta-release" - - __gsignals__ = { - 'new_dist_available' : (gobject.SIGNAL_RUN_LAST, - gobject.TYPE_NONE, - (gobject.TYPE_PYOBJECT,)), - 'dist_no_longer_supported' : (gobject.SIGNAL_RUN_LAST, - gobject.TYPE_NONE, - ()) - - } - - def __init__(self, useDevelopmentRelase=False): - gobject.GObject.__init__(self) - # check what uri to use - if useDevelopmentRelase: - self.METARELEASE_URI = self.METARELEASE_URI_UNSTABLE - # check if we can access the METARELEASE_FILE - if not os.access(self.METARELEASE_FILE, os.F_OK|os.W_OK|os.R_OK): - path = os.path.expanduser("~/.update-manager/") - if not os.path.exists(path): - os.mkdir(path) - self.METARELEASE_FILE = os.path.join(path,"meta-release") - self.metarelease_information = None - self.downloading = True - # we start the download thread here and we have a timeout - # in the gtk space to test if the download already finished - # this is needed because gtk is not thread-safe - t=thread.start_new_thread(self.download, ()) - gobject.timeout_add(1000,self.check) - - def get_dist(self): - " return the codename of the current runing distro " - p = Popen(["/bin/lsb_release","-c","-s"],stdout=PIPE) - res = p.wait() - if res != 0: - sys.stderr.write("lsb_release returned exitcode: %i\n" % res) - dist = string.strip(p.stdout.readline()) - #dist = "breezy" - return dist - - def check(self): - #print "check" - # check if we have a metarelease_information file - if self.metarelease_information != None: - self.parse() - # return False makes g_timeout() stop - return False - # no information yet, keep runing - return True - - def parse(self): - #print "parse" - current_dist_name = self.get_dist() - current_dist = None - dists = [] - - # parse the metarelease_information file - index_tag = apt_pkg.ParseTagFile(self.metarelease_information) - step_result = index_tag.Step() - while step_result: - if index_tag.Section.has_key("Dist"): - name = index_tag.Section["Dist"] - #print name - rawdate = index_tag.Section["Date"] - date = time.mktime(rfc822.parsedate(rawdate)) - supported = bool(index_tag.Section["Supported"]) - version = index_tag.Section["Version"] - # add the information to a new date object - dist = Dist(name, version, date,supported) - if index_tag.Section.has_key("ReleaseNotes"): - dist.releaseNotesURI = index_tag.Section["ReleaseNotes"] - if index_tag.Section.has_key("UpgradeTool"): - dist.upgradeTool = index_tag.Section["UpgradeTool"] - if index_tag.Section.has_key("UpgradeToolSignature"): - dist.upgradeToolSig = index_tag.Section["UpgradeToolSignature"] - dists.append(dist) - if name == current_dist_name: - current_dist = dist - step_result = index_tag.Step() - - # first check if the current runing distro is in the meta-release - # information. if not, we assume that we run on something not - # supported and silently return - if current_dist == None: - print "current dist not found in meta-release file" - return False - - # then see what we can upgrade to (only upgrade to supported dists) - upgradable_to = "" - for dist in dists: - if dist.date > current_dist.date and dist.supported == True: - upgradable_to = dist - #print "new dist: %s" % upgradable_to - break - - # only warn if unsupported and a new dist is available (because - # the development version is also unsupported) - if upgradable_to != "" and not current_dist.supported: - self.emit("dist_no_longer_supported",upgradabl_to) - elif upgradable_to != "": - self.emit("new_dist_available",upgradable_to) - - # parsing done and sucessfully - return True - - # the network thread that tries to fetch the meta-index file - # can't touch the gui, runs as a thread - def download(self): - #print "download" - lastmodified = 0 - req = urllib2.Request(self.METARELEASE_URI) - if os.access(self.METARELEASE_FILE, os.W_OK): - lastmodified = os.stat(self.METARELEASE_FILE).st_mtime - if lastmodified > 0: - req.add_header("If-Modified-Since", lastmodified) - try: - uri=urllib2.urlopen(req) - f=open(self.METARELEASE_FILE,"w+") - for line in uri.readlines(): - f.write(line) - f.flush() - f.seek(0,0) - self.metarelease_information=f - uri.close() - except urllib2.URLError: - if os.path.exists(self.METARELEASE_FILE): - f=open(self.METARELEASE_FILE,"r") - |