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https://git.launchpad.net/~ubuntu-release/britney/+git/britney2-ubuntu
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Make try_migration support multiple actions
This made iter_packages_hint a thin wrapper around try_migration, so it was inlined into its only caller "do_all". Signed-off-by: Niels Thykier <niels@thykier.net>
This commit is contained in:
Niels Thykier
parent
13d4d4801b
commit
65f74c226d
104
britney.py
104
britney.py
@ -2219,51 +2219,6 @@ class Britney(object):
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# contain anything new.
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assert affected.issuperset(to_check)
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def iter_packages_hint(self, hinted_packages, lundo=None):
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"""Iter on hinted list of actions and apply them in one go
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This method applies the changes from "hinted_packages" to
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testing and computes the uninstallability counters after te
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actions are performed.
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The method returns the new uninstallability counters.
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"""
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removals = set()
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all_affected = set()
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nobreakall_arches = self.options.nobreakall_arches
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packages_t = self.binaries['testing']
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check_packages = partial(self._check_packages, packages_t)
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for item in hinted_packages:
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_, rms, _ = self._compute_groups(item.package, item.suite,
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item.architecture,
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item.is_removal,
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allow_smooth_updates=False)
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removals.update(rms)
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for item in hinted_packages:
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affected, undo = self.doop_source(item,
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removals=removals)
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all_affected.update(affected)
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if lundo is not None:
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lundo.append((undo,item))
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# deep copy nuninst (in case the hint is undone)
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# NB: We do this *after* updating testing as we have to filter out
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# removed binaries. Otherwise, uninstallable binaries that were
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# removed by the hint would still be counted.
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nuninst = clone_nuninst(self.nuninst_orig, packages_t,
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self.options.architectures)
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for arch in self.options.architectures:
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check_archall = arch in nobreakall_arches
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check_packages(arch, all_affected, check_archall, nuninst)
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return nuninst
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def try_migration(self, actions, nuninst_now, lundo=None, automatic_revert=True):
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is_accepted = True
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affected_architectures = set()
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@ -2275,9 +2230,35 @@ class Britney(object):
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break_arches = self.options.break_arches
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arch = None
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# apply the changes
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affected, undo = self.doop_source(item, lundo)
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single_undo = (undo, item)
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if len(actions) == 1:
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item = actions[0]
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# apply the changes
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affected, undo = self.doop_source(item, lundo)
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undo_list = [(undo, item)]
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if item.architecture == 'source':
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affected_architectures = set(self.options.architectures)
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else:
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affected_architectures.add(item.architecture)
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else:
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undo_list = []
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removals = set()
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affected = set()
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for item in actions:
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_, rms, _ = self._compute_groups(item.package, item.suite,
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item.architecture,
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item.is_removal,
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allow_smooth_updates=False)
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removals.update(rms)
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affected_architectures.add(item.architecture)
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if 'source' in affected_architectures:
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affected_architectures = set(self.options.architectures)
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for item in actions:
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item_affected, undo = self.doop_source(item,
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removals=removals)
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affected.update(item_affected)
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undo_list.append((undo, item))
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# Copy nuninst_comp - we have to deep clone affected
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# architectures.
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@ -2285,10 +2266,7 @@ class Britney(object):
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# NB: We do this *after* updating testing as we have to filter out
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# removed binaries. Otherwise, uninstallable binaries that were
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# removed by the item would still be counted.
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if item.architecture == 'source':
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affected_architectures = set(self.options.architectures)
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else:
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affected_architectures.add(item.architecture)
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nuninst_after = clone_nuninst(nuninst_now, packages_t, affected_architectures)
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# check the affected packages on all the architectures
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@ -2307,10 +2285,10 @@ class Britney(object):
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# check if the action improved the uninstallability counters
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if not is_accepted and automatic_revert:
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undo_list = [single_undo]
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undo_changes(undo_list, self._inst_tester, self.sources, self.binaries)
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undo_copy = list(reversed(undo_list))
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undo_changes(undo_copy, self._inst_tester, self.sources, self.binaries)
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return (is_accepted, nuninst_after, single_undo, arch)
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return (is_accepted, nuninst_after, undo_list, arch)
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@ -2362,12 +2340,12 @@ class Britney(object):
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self.output_write("trying: %s\n" % (item.uvname))
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(better, nuninst, undo_item, arch) = self.try_migration(item, nuninst_comp, lundo=lundo)
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(better, nuninst, undo_list, arch) = self.try_migration([item], nuninst_comp, lundo=lundo)
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# check if the action improved the uninstallability counters
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if better:
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if lundo is not None:
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lundo.append(undo_item)
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lundo.extend(undo_list)
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selected.append(item)
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packages.extend(extra)
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extra = []
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@ -2445,7 +2423,17 @@ class Britney(object):
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if init:
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# init => a hint (e.g. "easy") - so do the hint run
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nuninst_end = self.iter_packages_hint(selected, lundo=lundo)
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(better, nuninst_end, undo_list, _) = self.try_migration(selected,
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self.nuninst_orig,
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lundo=lundo,
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automatic_revert=False)
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if force:
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# Force implies "unconditionally better"
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better = True
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if lundo is not None:
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lundo.extend(undo_list)
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if recurse:
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# Ensure upgrade_me and selected do not overlap, if we
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# follow-up with a recurse ("hint"-hint).
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