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# DistUpgradeViewText.py # # Copyright (c) 2004-2006 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 sys import logging import subprocess import apt import os from DistUpgradeView import DistUpgradeView, InstallProgress, FetchProgress import apt.progress import gettext from DistUpgradeGettext import gettext as _ #from textwrap import fill, wrap # helpers inspired after textwrap - unfortunately # we can not use textwrap directly because it break # packagenames with "-" in them into new lines def wrap(t, width=70, subsequent_indent=""): out = "" for s in t.split(): if (len(out)-out.rfind("\n")) + len(s) > width: out += "\n" + subsequent_indent out += s + " " return out def twrap(s, **kwargs): msg = "" paras = s.split("\n") for par in paras: s = wrap(par, **kwargs) msg += s+"\n" return msg class TextFetchProgress(FetchProgress, apt.progress.TextFetchProgress): def __init__(self): apt.progress.TextFetchProgress.__init__(self) FetchProgress.__init__(self) def pulse(self): apt.progress.TextFetchProgress.pulse(self) FetchProgress.pulse(self) return True class TextCdromProgressAdapter(apt.progress.CdromProgress): """ Report the cdrom add progress """ def update(self, text, step): """ update is called regularly so that the gui can be redrawn """ if text: print "%s (%f)" % (text, step/float(self.totalSteps)*100) def askCdromName(self): return (False, "") def changeCdrom(self): return False class DistUpgradeViewText(DistUpgradeView): " text frontend of the distUpgrade tool " def __init__(self, datadir=None, logdir=None): # its important to have a debconf frontend for # packages like "quagga" if not os.environ.has_key("DEBIAN_FRONTEND"): os.environ["DEBIAN_FRONTEND"] = "dialog" if not datadir: localedir=os.path.join(os.getcwd(),"mo") else: localedir="/usr/share/locale/update-manager" try: gettext.bindtextdomain("update-manager", localedir) gettext.textdomain("update-manager") except Exception, e: logging.warning("Error setting locales (%s)" % e) self.last_step = 0 # keep a record of the latest step self._opCacheProgress = apt.progress.OpTextProgress() self._fetchProgress = TextFetchProgress() self._cdromProgress = TextCdromProgressAdapter() self._installProgress = InstallProgress() sys.excepthook = self._handleException #self._process_events_tick = 0 def _handleException(self, type, value, tb): import traceback print lines = traceback.format_exception(type, value, tb) logging.error("not handled exception:\n%s" % "\n".join(lines)) self.error(_("A fatal error occurred"), _("Please report this as a bug and include the " "files /var/log/dist-upgrade/main.log and " "/var/log/dist-upgrade/apt.log " "in your report. The upgrade is now aborted.\n" "Your original sources.list was saved in " "/etc/apt/sources.list.distUpgrade."), "\n".join(lines)) sys.exit(1) def getFetchProgress(self): return self._fetchProgress def getInstallProgress(self, cache): self._installProgress._cache = cache return self._installProgress def getOpCacheProgress(self): return self._opCacheProgress def getCdromProgress(self): return self._cdromProgress def updateStatus(self, msg): print print msg sys.stdout.flush() def abort(self): print print _("Aborting") def setStep(self, step): self.last_step = step def showDemotions(self, summary, msg, demotions): self.information(summary, msg, _("Demoted:\n")+twrap(", ".join(demotions))) def information(self, summary, msg, extended_msg=None): print print twrap(summary) print twrap(msg) if extended_msg: print twrap(extended_msg) def error(self, summary, msg, extended_msg=None): print print twrap(summary) print twrap(msg) if extended_msg: print twrap(extended_msg) return False def showInPager(self, output): " helper to show output in a pager" for pager in ["/usr/bin/sensible-pager", "/bin/more"]: if os.path.exists(pager): p = subprocess.Popen([pager,"-"],stdin=subprocess.PIPE) p.stdin.write(output) p.stdin.close() p.wait() return # if we don't have a pager, just print print output def confirmChanges(self, summary, changes, downloadSize, actions=None, removal_bold=True): DistUpgradeView.confirmChanges(self, summary, changes, downloadSize, actions) print print twrap(summary) print twrap(self.confirmChangesMessage) print " %s %s" % (_("Continue [yN] "), _("Details [d]")), while True: res = sys.stdin.readline() # TRANSLATORS: the "y" is "yes" if res.strip().lower().startswith(_("y")): return True # TRANSLATORS: the "n" is "no" elif res.strip().lower().startswith(_("n")): return False # TRANSLATORS: the "d" is "details" elif res.strip().lower().startswith(_("d")): output = "" if len(self.toRemove) > 0: output += "\n" output += twrap(_("Remove: %s\n" % " ".join(self.toRemove)), subsequent_indent=' ') if len(self.toInstall) > 0: output += "\n" output += twrap(_("Install: %s\n" % " ".join(self.toInstall)), subsequent_indent=' ') if len(self.toUpgrade) > 0: output += "\n" output += twrap(_("Upgrade: %s\n" % " ".join(self.toUpgrade)), subsequent_indent=' ') self.showInPager(output) print "%s %s" % (_("Continue [yN] "), _("Details [d]")), def askYesNoQuestion(self, summary, msg, default='No'): print print twrap(summary) print twrap(msg) if default == 'No': print _("Continue [yN] "), res = sys.stdin.readline() # TRANSLATORS: first letter of a positive (yes) answer if res.strip().lower().startswith(_("y")): return True return False else: print _("Continue [Yn] "), res = sys.stdin.readline() # TRANSLATORS: first letter of a negative (no) answer if res.strip().lower().startswith(_("n")): return False return True # FIXME: when we need this most the resolver is writing debug logs # and we redirect stdout/stderr # def processEvents(self): # #time.sleep(0.2) # anim = [".","o","O","o"] # anim = ["\\","|","/","-","\\","|","/","-"] # self._process_events_tick += 1 # if self._process_events_tick >= len(anim): # self._process_events_tick = 0 # sys.stdout.write("[%s]" % anim[self._process_events_tick]) # sys.stdout.flush() def confirmRestart(self): return self.askYesNoQuestion(_("Restart required"), _("To finish the upgrade, a restart is " "required.\n" "If you select 'y' the system " "will be restarted."), default='No') if __name__ == "__main__": view = DistUpgradeViewText() #while True: # view.processEvents() print twrap("89 packages are going to be upgraded.\nYou have to download a total of 82.7M.\nThis download will take about 10 minutes with a 1Mbit DSL connection and about 3 hours 12 minutes with a 56k modem.", subsequent_indent=" ") #sys.exit(1) view = DistUpgradeViewText() print view.askYesNoQuestion("hello", "Icecream?", "No") print view.askYesNoQuestion("hello", "Icecream?", "Yes") #view.confirmChangesMessage = "89 packages are going to be upgraded.\n You have to download a total of 82.7M.\n This download will take about 10 minutes with a 1Mbit DSL connection and about 3 hours 12 minutes with a 56k modem." #view.confirmChanges("xx",[], 100) sys.exit(0) view.confirmRestart() cache = apt.Cache() fp = view.getFetchProgress() ip = view.getInstallProgress(cache) for pkg in sys.argv[1:]: cache[pkg].markInstall() cache.commit(fp,ip) sys.exit(0) view.getTerminal().call(["dpkg","--configure","-a"]) #view.getTerminal().call(["ls","-R","/usr"]) view.error("short","long", "asfds afsdj af asdf asdf asf dsa fadsf asdf as fasf sextended\n" "asfds afsdj af asdf asdf asf dsa fadsf asdf as fasf sextended\n" "asfds afsdj af asdf asdf asf dsa fadsf asdf as fasf sextended\n" "asfds afsdj af asdf asdf asf dsa fadsf asdf as fasf sextended\n" "asfds afsdj af asdf asdf asf dsa fadsf asdf as fasf sextended\n" "asfds afsdj af asdf asdf asf dsa fadsf asdf as fasf sextended\n" "asfds afsdj af asdf asdf asf dsa fadsf asdf as fasf sextended\n" ) view.confirmChanges("xx",[], 100) print view.askYesNoQuestion("hello", "Icecream?")