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# -*- coding: utf-8 -*-
# Refactored parts from britney.py, which is/was:
# Copyright (C) 2001-2008 Anthony Towns <ajt@debian.org>
# Andreas Barth <aba@debian.org>
# Fabio Tranchitella <kobold@debian.org>
# Copyright (C) 2010-2012 Adam D. Barratt <adsb@debian.org>
# Copyright (C) 2012 Niels Thykier <niels@thykier.net>
# 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.
from functools import partial
from itertools import ifilter, ifilterfalse
import re
from consts import BINARIES, PROVIDES
binnmu_re = re.compile(r'^(.*)\+b\d+$')
def same_source(sv1, sv2, binnmu_re=binnmu_re):
"""Check if two version numbers are built from the same source
This method returns a boolean value which is true if the two
version numbers specified as parameters are built from the same
source. The main use of this code is to detect binary-NMU.
binnmu_re is an optimization to avoid "load global".
"""
if sv1 == sv2:
return 1
m = binnmu_re.match(sv1)
if m: sv1 = m.group(1)
m = binnmu_re.match(sv2)
if m: sv2 = m.group(1)
if sv1 == sv2:
return 1
return 0
def ifilter_except(container, iterable=None):
"""Filter out elements in container
If given an iterable it returns a filtered iterator, otherwise it
returns a function to generate filtered iterators. The latter is
useful if the same filter has to be (re-)used on multiple
iterators that are not known on beforehand.
"""
if iterable is not None:
return ifilterfalse(container.__contains__, iterable)
return partial(ifilterfalse, container.__contains__)
def ifilter_only(container, iterable=None):
"""Filter out elements in which are not in container
If given an iterable it returns a filtered iterator, otherwise it
returns a function to generate filtered iterators. The latter is
useful if the same filter has to be (re-)used on multiple
iterators that are not known on beforehand.
"""
if iterable is not None:
return ifilter(container.__contains__, iterable)
return partial(ifilter, container.__contains__)
def undo_changes(lundo, systems, sources, binaries,
BINARIES=BINARIES, PROVIDES=PROVIDES):
"""Undoes one or more changes to testing
* lundo is a list of (undo, item)-tuples
* systems is the britney-py.c system
* sources is the table of all source packages for all suites
* binaries is the table of all binary packages for all suites
and architectures
The "X=X" parameters are optimizations to avoid "load global"
in loops.
"""
# We do the undo process in "4 steps" and each step must be
# fully completed for each undo-item before starting on the
# next.
#
# see commit:ef71f0e33a7c3d8ef223ec9ad5e9843777e68133 and
# #624716 for the issues we had when we did not do this.
# STEP 1
# undo all the changes for sources
for (undo, item) in lundo:
for k in undo['sources']:
if k[0] == '-':
del sources["testing"][k[1:]]
else:
sources["testing"][k] = undo['sources'][k]
# STEP 2
# undo all new binaries (consequence of the above)
for (undo, item) in lundo:
if not item.is_removal and item.package in sources[item.suite]:
for p in sources[item.suite][item.package][BINARIES]:
binary, arch = p.split("/")
if item.architecture in ['source', arch]:
del binaries["testing"][arch][0][binary]
systems[arch].remove_binary(binary)
# STEP 3
# undo all other binary package changes (except virtual packages)
for (undo, item) in lundo:
for p in undo['binaries']:
binary, arch = p.split("/")
if binary[0] == "-":
del binaries['testing'][arch][0][binary[1:]]
systems[arch].remove_binary(binary[1:])
else:
binaries_t_a = binaries['testing'][arch][0]
binaries_t_a[binary] = undo['binaries'][p]
systems[arch].remove_binary(binary)
systems[arch].add_binary(binary, binaries_t_a[binary][:PROVIDES] + \
[", ".join(binaries_t_a[binary][PROVIDES]) or None])
# STEP 4
# undo all changes to virtual packages
for (undo, item) in lundo:
for p in undo['nvirtual']:
j, arch = p.split("/")
del binaries['testing'][arch][1][j]
for p in undo['virtual']:
j, arch = p.split("/")
if j[0] == '-':
del binaries['testing'][arch][1][j[1:]]
else:
binaries['testing'][arch][1][j] = undo['virtual'][p]
def old_libraries_format(libs):
"""Format old libraries in a smart table"""
libraries = {}
for i in libs:
pkg, arch = i.split("/")
pkg = pkg[1:]
if pkg in libraries:
libraries[pkg].append(arch)
else:
libraries[pkg] = [arch]
return "\n".join(" " + k + ": " + " ".join(libraries[k]) for k in libraries) + "\n"