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Current File : //proc/self/root/usr/bin/X11/ubuntu-support-status

#!/usr/bin/python3

from __future__ import print_function

import apt
import csv
import locale
import datetime
import operator
import os
import subprocess
import time
import gettext
import sys

from apt.utils import (
    get_maintenance_end_date,
    )
from optparse import OptionParser
from UpdateManager.Core.utils import twrap, get_dist

CODENAME = get_dist()

def get_release_date(dist):
    distro_data = '/usr/share/distro-info/ubuntu.csv'
    release_date = None
    try:
        with open(distro_data) as csvfile:
            csv_reader = csv.DictReader(csvfile)
            for row in csv_reader:
                if row['series'] == CODENAME:
                    release_date = row['release']
                    break
    except FileNotFoundError:
        return None

    if not release_date:
        return None

    time_t = time.mktime(time.strptime(release_date, '%Y-%m-%d'))
    release_date = datetime.datetime.fromtimestamp(time_t)
    return release_date

def get_component(origin_tag, filename_tag):
    if origin_tag != "Ubuntu":
        return None

    if not filename_tag:
        return None

    for component in ["main", "restricted", "universe", "multiverse"]:
        if filename_tag.startswith("pool/" + component):
            return component

    return None

def get_maintenance_status(supported_tag, component, release_date):
    if supported_tag.endswith("y"):
        supported_for_n_month = 12*int(supported_tag.rstrip("y"))
    elif supported_tag.endswith("m"):
        supported_for_n_month = int(supported_tag.rstrip("m"))
    else:
        raise Exception("Unsupported tag '%s'" % supported_tag)

    if component in ['main', 'restricted']:
        supported_by = "Canonical"
    else:
        supported_by = _("Community")

    now = datetime.datetime.now()

    # mvo: we do not define the end date very precisely
    #      currently this is why it will just display a end
    #      range
    (support_end_year, support_end_month) = get_maintenance_end_date(release_date, supported_for_n_month)
    support_end_month_str = locale.nl_langinfo(getattr(locale,"MON_%d" % support_end_month))
    # check if the support has ended
    support_ended = (now.year > support_end_year or
                     (now.year == support_end_year and now.month > support_end_month))

    # build dict for the argument string
    d = { 'support_duration' : supported_tag,
          'support_end_month_str' : support_end_month_str,
          'support_end_year' : support_end_year,
          'supported_by' : supported_by }

    return (not support_ended, d)

if __name__ == "__main__":
    #FIXME: Workaround a bug in optparser which doesn't handle unicode/str
    #       correctly, see http://bugs.python.org/issue4391
    #       Should be resolved by Python3
    gettext.bindtextdomain("update-manager", "/usr/share/locale")
    gettext.textdomain("update-manager")
    translation = gettext.translation("update-manager", fallback=True)
    if sys.version >= '3':
        _ = translation.gettext
    else:
        _ = translation.ugettext

    try:
        locale.setlocale(locale.LC_ALL, "")
    except:
        pass

    parser = OptionParser()
    parser.add_option("", "--show-unsupported",
                      action="store_true", default=False,
                      help=_("Show unsupported packages on this machine"))
    parser.add_option("", "--show-supported",
                      action="store_true", default=False,
                      help=_("Show supported packages on this machine"))
    parser.add_option("", "--show-all",
                      action="store_true", default=False,
                      help=_("Show all packages with their status"))
    parser.add_option("", "--list",
                      action="store_true", default=False,
                      help=_("Show all packages in a list"))

    (options, args) = parser.parse_args()

    # packages that are not downloadable
    no_candidate = set()

    # packages that we have no support information
    unsupported = set()

    # dict with pkgname : support time
    supported_time_for_pkgname = {}

    # dict with supporttime : set of packagenames
    supported_by_time = {}

    # total count, for statistics
    total = 0

    release_date = None

    if CODENAME != 'unknown distribution':
        release_date = get_release_date(CODENAME)

    if not release_date:
        print ("No valid Ubuntu release found, support status unknown")
        sys.exit(1)

    # analyze
    with apt.Cache() as cache:
        for pkg in cache:
            if pkg.is_installed:
                total += 1
                if not pkg.candidate or not pkg.candidate.downloadable:
                    no_candidate.add(pkg.name)
                    continue
                if not "Supported" in pkg.candidate.record:
                    unsupported.add(pkg.name)
                    continue
                # get support time
                support_tag = pkg.candidate.record["Supported"]
                component = get_component(
                    pkg.candidate.record.get("Origin"),
                    pkg.candidate.record.get("Filename"))
                if not component:
                    unsupported.add(pkg.name)
                    continue
                (still_supported, details) = get_maintenance_status(
                    support_tag, component, release_date)
                if not still_supported:
                    unsupported.add(pkg.name)
                    continue
                supported_time_for_pkgname[pkg.name] = (
                    "%(support_duration)s - %(supported_by)s" % details)
                support_str = (
                    "%(support_end_month_str)s %(support_end_year)s "
                    "(%(supported_by)s - %(support_duration)s)" % details)
                if not support_str in supported_by_time:
                    supported_by_time[support_str] = set()
                supported_by_time[support_str].add(pkg.name)

    # output
    print(_("Support status summary of '%s':") % os.uname()[1])
    print()
    for (time, tset) in supported_by_time.items():
        print(_("You have %(num)s packages (%(percent).1f%%) supported until %(time)s") % {
            'num' : len(tset),
            'percent' : len(tset) * 100.0 / total,
            'time' : time})
    print()

    print(_("You have %(num)s packages (%(percent).1f%%) that can not/no-longer be downloaded") % {
        'num' : len(no_candidate),
        'percent' : len(no_candidate) * 100.0 / total})
    print(_("You have %(num)s packages (%(percent).1f%%) that are unsupported") % {
        'num' : len(unsupported),
        'percent' : len(unsupported) * 100.0 / total})

    # provide the HWE support status info as well
    if os.path.exists("/usr/bin/hwe-support-status"):
        print("")
        subprocess.call(["/usr/bin/hwe-support-status"])

    if not (options.show_unsupported or
            options.show_supported or
            options.show_all):
        print()
        print(_("Run with --show-unsupported, --show-supported or --show-all to see more details"))

    if options.show_unsupported or options.show_all:
        print()
        print(_("No longer downloadable:"))
        print(twrap(" ".join(sorted(no_candidate))))
        
        print(_("Unsupported: "))
        print(twrap(" ".join(sorted(unsupported))))
    
    if options.show_supported or options.show_all:
        for (time, tset) in supported_by_time.items():
            print(_("Supported until %s:") % time)
            print(twrap(" ".join(sorted(tset))))

    if options.list:
        pkg = max(cache, key=lambda pkg: pkg.is_installed and len(pkg.name))
        field_width = len(pkg.name)
        format_str = "%-"+str(field_width)+"s  %s"
        for pkg in sorted(cache, key=operator.attrgetter("name")):
            if pkg.is_installed:
                support =  supported_time_for_pkgname.get(pkg.name, _("Unsupported"))
                print(format_str % (pkg.name, support))