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iter_pkg: Refactor nuninst cloning

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Move nuninst cloning out of the check loop and always populate the new
nuninst entirely.

This will allow some simplifications in other places.

Signed-off-by: Niels Thykier <niels@thykier.net>
This commit is contained in:
Niels Thykier 2014-08-06 23:27:11 +02:00
parent 0043b09c45
commit da83e4cc23
1 changed files with 25 additions and 8 deletions
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33
britney.py
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@ -2291,9 +2291,9 @@ class Britney(object):
position = len(packages)
if nuninst:
nuninst_comp = nuninst.copy()
nuninst_comp = nuninst
else:
nuninst_comp = self.nuninst_orig.copy()
nuninst_comp = self.nuninst_orig
# local copies for better performance
binaries = self.binaries['testing']
@ -2332,18 +2332,36 @@ class Britney(object):
self.output_write("trying: %s\n" % (item.uvname))
better = True
nuninst = {}
# apply the changes
affected, undo = self.doop_source(item, lundo)
# Copy nuninst_comp - we have to deep clone affected
# architectures.
# NB: We do this *after* updating testing and 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])
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])
# check the affected packages on all the architectures
for arch in (item.architecture == 'source' and architectures or (item.architecture,)):
check_archall = arch in nobreakall_arches
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])
check_packages(arch, affected, check_archall, nuninst)
# if the uninstallability counter is worse than before, break the loop
@ -2368,8 +2386,7 @@ class Britney(object):
self.output_write(" all: %s\n" % (" ".join( x.uvname for x in selected )))
else:
self.output_write(" most: (%d) .. %s\n" % (len(selected), " ".join(x.uvname for x in selected[-20:])))
for k in nuninst:
nuninst_comp[k] = nuninst[k]
nuninst_comp = nuninst
else:
self.output_write("skipped: %s (%d <- %d)\n" % (item.uvname, len(extra), len(packages)))
self.output_write(" got: %s\n" % (self.eval_nuninst(nuninst, item.architecture != 'source' and nuninst_comp or None)))