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# Copyright (C) 2009 Canonical
#
# Authors:
# Michael Vogt
#
# 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; version 3.
#
# 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import datetime
import gettext
import locale
import subprocess
from apt.utils import *
from gettext import gettext as _
from softwarecenter.distro import Distro
from softwarecenter.enums import *
class Ubuntu(Distro):
# metapackages
IMPORTANT_METAPACKAGES = ("ubuntu-desktop", "kubuntu-desktop")
# screenshot handling
SCREENSHOT_THUMB_URL = "http://screenshots.ubuntu.com/thumbnail-404/%s"
SCREENSHOT_LARGE_URL = "http://screenshots.ubuntu.com/screenshot-404/%s"
def get_app_name(self):
return _("Ubuntu Software Center")
def get_app_description(self):
return _("Lets you choose from thousands of free applications available for Ubuntu.")
def get_distro_channel_name(self):
""" The name in the Release file """
return "Ubuntu"
def get_distro_channel_description(self):
""" The description of the main distro channel """
return _("Provided by Ubuntu")
def get_removal_warning_text(self, cache, pkg, appname):
primary = _("To remove %s, these items must be removed "
"as well:" % appname)
button_text = _("Remove All")
depends = list(cache.get_installed_rdepends(pkg))
# alter it if a meta-package is affected
for m in depends:
if cache[m].section == "metapackages":
primary = _("If you uninstall %s, future updates will not "
"include new items in <b>%s</b> set. "
"Are you sure you want to continue?") % (appname, cache[m].installed.summary)
button_text = _("Remove Anyway")
depends = []
break
# alter it if an important meta-package is affected
for m in self.IMPORTANT_METAPACKAGES:
if m in depends:
primary = _("%s is a core application in Ubuntu. "
"Uninstalling it may cause future upgrades "
"to be incomplete. Are you sure you want to "
"continue?") % appname
button_text = _("Remove Anyway")
depends = None
break
return (primary, button_text)
def get_installation_status(self, cache, pkg, appname):
s = ""
if pkg.installed:
# generic message
s = _("Installed")
# In future, say "Installed since $date"
return s
def get_distro_codename(self):
if not hasattr(self ,"codename"):
self.codename = subprocess.Popen(
["lsb_release","-c","-s"],
stdout=subprocess.PIPE).communicate()[0].strip()
return self.codename
def get_license_text(self, component):
li = _("Unknown")
if component in ("main", "universe"):
li = _("Open Source")
elif component == "restricted":
li = _("Proprietary")
s = _("License: %s") % li
return s
def is_supported(self, cache, doc, pkgname):
section = doc.get_value(XAPIAN_VALUE_ARCHIVE_SECTION)
if section == "main" and section == "restricted":
return True
if pkgname in cache and cache[pkgname].candidate:
for origin in cache[pkgname].candidate.origins:
if (origin.origin == "Ubuntu" and
origin.trusted and
(origin.component == "main" or
origin.component == "restricted")):
return True
return False
def get_price(self, doc):
# SPECIAL CASE for partner, we don't know the prices there
# see bug #552830 so we return None
for term_iter in doc.termlist():
if (term_iter.term == "XOCpartner" or
term_iter.term == "AH%s-partner" % self.get_distro_codename()):
return None
#TRANSLATORS: This text will be showed as price of the software
price = _("Free")
return price
def get_maintenance_status(self, cache, appname, pkgname, component, channel):
# try to figure out the support dates of the release and make
# sure to look only for stuff in "Ubuntu" and "distro_codename"
# (to exclude stuff in ubuntu-updates for the support time
# calculation because the "Release" file time for that gets
# updated regularly)
releasef = get_release_filename_for_pkg(cache._cache, pkgname,
"Ubuntu",
self.get_distro_codename())
time_t = get_release_date_from_release_file(releasef)
# check the release date and show support information
# based on this
if time_t:
release_date = datetime.datetime.fromtimestamp(time_t)
#print "release_date: ", release_date
now = datetime.datetime.now()
release_age = (now - release_date).days
#print "release age: ", release_age
# init with the default time
support_month = 18
# see if we have a "Supported" entry in the pkg record
if (pkgname in cache and
cache[pkgname].candidate):
support_time = cache[pkgname].candidate.record.get("Supported")
if support_time:
if support_time.endswith("y"):
support_month = 12*int(support_time.strip("y"))
elif support_time.endswith("m"):
support_month = int(support_time.strip("m"))
else:
logging.warning("unsupported 'Supported' string '%s'" % support_time)
# 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, support_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 and
now.month > support_end_month)
if component == "main":
if support_ended:
return _("Canonical does no longer provide "
"updates for %s in Ubuntu %s. "
"Updates may be available in a newer version of "
"Ubuntu.") % (appname, self.get_distro_release())
else:
return _("Canonical provides critical updates for "
"%(appname)s until %(support_end_month_str)s "
"%(support_end_year)s.") % {'appname' : appname,
'support_end_month_str' : support_end_month_str,
'support_end_year' : support_end_year}
elif component == "restricted":
if support_ended:
return _("Canonical does no longer provide "
"updates for %s in Ubuntu %s. "
"Updates may be available in a newer version of "
"Ubuntu.") % (appname, self.get_distro_release())
else:
return _("Canonical provides critical updates supplied "
"by the developers of %(appname)s until "
"%(support_end_month_str)s "
"%(support_end_year)s.") % {'appname' : appname,
'support_end_month_str' : support_end_month_str,
'support_end_year' : support_end_year}
# if we couldn't fiure a support date, use a generic maintenance
# string without the date
if channel or component == "partner":
return _("Canonical does not provide updates for %s. "
"Some updates may be provided by the third party "
"vendor.") % appname
elif component == "main":
return _("Canonical provides critical updates for %s.") % appname
elif component == "restricted":
return _("Canonical provides critical updates supplied by the "
"developers of %s.") % appname
elif component == "universe" or component == "multiverse":
return _("Canonical does not provide updates for %s. "
"Some updates may be provided by the "
"Ubuntu community.") % appname
return _("Application %s has an unknown maintenance status.") % appname
if __name__ == "__main__":
import apt
cache = apt.Cache()
print c.get_maintenance_status(cache, "synaptic app", "synaptic", "main", None)
print c.get_maintenance_status(cache, "3dchess app", "3dchess", "universe", None)
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