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Create a clone_nuninst function for iter_packages{,_hint}

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Signed-off-by: Niels Thykier <niels@thykier.net>
This commit is contained in:
Niels Thykier 2015-05-27 17:08:23 +02:00
parent da83e4cc23
commit 5f98e6b37b
2 changed files with 25 additions and 23 deletions
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33
britney.py
View File

@ -204,7 +204,8 @@ from britney_util import (old_libraries_format, same_source, undo_changes,
read_nuninst, write_nuninst, write_heidi,
eval_uninst, newly_uninst, make_migrationitem,
write_excuses, write_heidi_delta, write_controlfiles,
old_libraries, is_nuninst_asgood_generous)
old_libraries, is_nuninst_asgood_generous,
clone_nuninst)
from consts import (VERSION, SECTION, BINARIES, MAINTAINER, FAKESRC,
SOURCE, SOURCEVER, ARCHITECTURE, DEPENDS, CONFLICTS,
PROVIDES, RDEPENDS, RCONFLICTS, MULTIARCH, ESSENTIAL)
@ -2240,7 +2241,6 @@ class Britney(object):
nobreakall_arches = self.options.nobreakall_arches
packages_t = self.binaries['testing']
check_packages = partial(self._check_packages, packages_t)
nuninst = {}
for item in hinted_packages:
@ -2258,15 +2258,11 @@ class Britney(object):
lundo.append((undo,item))
# deep copy nuninst (in case the hint is undone)
# NB: We do this *after* updating testing and we have to filter out
# NB: We do this *after* updating testing as we have to filter out
# removed binaries. Otherwise, uninstallable binaries that were
# removed by the hint would still be counted.
for arch in self.options.architectures:
nuninst_arch = self.nuninst_orig[arch]
nuninst_arch_all = self.nuninst_orig[arch + '+all']
binaries_t_a = packages_t[arch][0]
nuninst[arch] = set(x for x in nuninst_arch if x in binaries_t_a)
nuninst[arch + '+all'] = set(x for x in nuninst_arch_all if x in binaries_t_a)
nuninst = clone_nuninst(self.nuninst_orig, packages_t,
self.options.architectures)
for arch in self.options.architectures:
check_archall = arch in nobreakall_arches
@ -2339,27 +2335,18 @@ class Britney(object):
# Copy nuninst_comp - we have to deep clone affected
# architectures.
# NB: We do this *after* updating testing and we have to filter out
# NB: We do this *after* updating testing as we have to filter out
# removed binaries. Otherwise, uninstallable binaries that were
# removed by the item would still be counted.
if item.architecture == 'source':
# Assume that all architectures are affected and deep
# copy nuninst_comp
nuninst = {}
for arch in architectures:
nuninst[arch] = set(x for x in nuninst_comp[arch] if x in binaries[arch][0])
nuninst[arch + "+all"] = set(x for x in nuninst_comp[arch + "+all"] if x in binaries[arch][0])
affected_architectures = architectures
else:
# Shallow clone nuninst_comp except for the affected
# architecture, which is deep cloned.
arch = item.architecture
nuninst = nuninst_comp.copy()
nuninst[arch] = set(x for x in nuninst_comp[arch] if x in binaries[arch][0])
nuninst[arch + "+all"] = set(x for x in nuninst_comp[arch + "+all"] if x in binaries[arch][0])
affected_architectures = [item.architecture]
nuninst = clone_nuninst(nuninst_comp, binaries, affected_architectures)
# check the affected packages on all the architectures
for arch in (item.architecture == 'source' and architectures or (item.architecture,)):
for arch in affected_architectures:
check_archall = arch in nobreakall_arches
check_packages(arch, affected, check_archall, nuninst)

15
britney_util.py
View File

@ -595,3 +595,18 @@ def is_nuninst_asgood_generous(architectures, old, new, break_arches=frozenset()
continue
diff = diff + (len(new[arch]) - len(old[arch]))
return diff <= 0
def clone_nuninst(nuninst, packages_s, architectures):
"""Selectively deep clone nuninst
Given nuninst table, the package table for a given suite and
a list of architectures, this function will clone the nuninst
table. Only the listed architectures will be deep cloned -
the rest will only be shallow cloned.
"""
clone = nuninst.copy()
for arch in architectures:
clone[arch] = set(x for x in nuninst[arch] if x in packages_s[arch][0])
clone[arch + "+all"] = set(x for x in nuninst[arch + "+all"] if x in packages_s[arch][0])
return clone