Viewing file:  utils.py (2.91 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
# 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; 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
import os.path
import apt_pkg
def get_maintenance_end_date(release_date, m_months):
"""
get the (year, month) tuple when the maintenance for the distribution
ends. Needs the data of the release and the number of months that
its is supported as input
"""
years = m_months / 12
months = m_months % 12
support_end_year = (release_date.year + years +
(release_date.month + months)/12)
support_end_month = (release_date.month + months) % 12
if support_end_month == 0:
support_end_month = 12
support_end_year -= 1
return (support_end_year, support_end_month)
def get_release_date_from_release_file(path):
"""
return the release date as time_t for the given release file
"""
if not path or not os.path.exists(path):
return None
tag = apt_pkg.TagFile(open(path))
section = tag.next()
if not "Date" in section:
return None
date = section["Date"]
return apt_pkg.str_to_time(date)
def get_release_filename_for_pkg(cache, pkgname, label, release):
" get the release file that provides this pkg "
if pkgname not in cache:
return None
pkg = cache[pkgname]
ver = None
# look for the version that comes from the repos with
# the given label and origin
for aver in pkg._pkg.version_list:
if aver is None or aver.file_list is None:
continue
for ver_file, _index in aver.file_list:
#print verFile
if (ver_file.origin == label and
ver_file.label == label and
ver_file.archive == release):
ver = aver
if not ver:
return None
indexfile = cache._list.find_index(ver.file_list[0][0])
for metaindex in cache._list.list:
for m in metaindex.index_files:
if (indexfile and
indexfile.describe == m.describe and
indexfile.is_trusted):
dirname = apt_pkg.config.find_dir("Dir::State::lists")
name = (apt_pkg.uri_to_filename(metaindex.uri) +
"dists_%s_Release" % metaindex.dist)
return dirname + name
return None
|