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britney2-ubuntu
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Remove all calls to "same_source" - they were overkill

Browse Source 
The same_source is supposed to compare two versions and (if needed)
"massage" a binNMU version into a source version.  This extra feature
of same_source happens to be unused (and not generally applicable):

 1) We always compare two source versions, so there is never a
    binNMU version in the first place.
 2) binary versions are *not* always equal to their source version
    (even with the binNMU suffix stripped).  This happens when
    packages use "dpkg-gencontrol -v<version>".

Note this causes results from some live-data tests to change, because
there has been a sourceful upload with a binNMU version.  It was
intended as a binNMU, but was uploaded with the source as well.  As
Britney no longer works around this issue, it makes her remove the
affected packages in the end (as their source version does not match
the version in testing).

Signed-off-by: Niels Thykier <niels@thykier.net>
master
Niels Thykier 8 years ago
parent 179ced304d
commit aa34a47f8a
2 changed files with 23 additions and 56 deletions
Show Stats Download Patch File Download Diff File

47
britney.py
Unescape View File

@ -199,7 +199,7 @@ from installability.builder import InstallabilityTesterBuilder
from excuse import Excuse
from migrationitem import MigrationItem
from hints import HintCollection
from britney_util import (old_libraries_format, same_source, undo_changes,
from britney_util import (old_libraries_format, undo_changes,
compute_reverse_tree,
read_nuninst, write_nuninst, write_heidi,
eval_uninst, newly_uninst, make_migrationitem,
@ -1112,7 +1112,7 @@ class Britney(object):
self.excuses.append(excuse)
return True
def should_upgrade_srcarch(self, src, arch, suite, same_source=same_source):
def should_upgrade_srcarch(self, src, arch, suite):
"""Check if a set of binary packages should be upgraded
This method checks if the binary packages produced by the source
@ -1122,8 +1122,6 @@ class Britney(object):
It returns False if the given packages don't need to be upgraded,
True otherwise. In the former case, a new excuse is appended to
the object attribute excuses.
same_source is an optimization to avoid "load global".
"""
# retrieve the source packages for testing and suite
source_t = self.sources['testing'][src]
@ -1140,7 +1138,7 @@ class Britney(object):
# version in testing, then stop here and return False
# (as a side effect, a removal may generate such excuses for both the source
# package and its binary packages on each architecture)
for hint in [ x for x in self.hints.search('remove', package=src) if same_source(source_t[VERSION], x.version) ]:
for hint in [x for x in self.hints.search('remove', package=src) if source_t[VERSION] == x.version]:
excuse.addhtml("Removal request by %s" % (hint.user))
excuse.addhtml("Trying to remove package, not update it")
excuse.addhtml("Not considered")
@ -1170,13 +1168,13 @@ class Britney(object):
# if the new binary package is not from the same source as the testing one, then skip it
# this implies that this binary migration is part of a source migration
if same_source(source_u[VERSION], pkgsv) and not same_source(source_t[VERSION], pkgsv):
if source_u[VERSION] == pkgsv and source_t[VERSION] != pkgsv:
anywrongver = True
excuse.addhtml("From wrong source: %s %s (%s not %s)" % (pkg_name, binary_u[VERSION], pkgsv, source_t[VERSION]))
continue
# cruft in unstable
if not same_source(source_u[VERSION], pkgsv) and not same_source(source_t[VERSION], pkgsv):
if source_u[VERSION] != pkgsv and source_t[VERSION] != pkgsv:
if self.options.ignore_cruft:
excuse.addhtml("Old cruft: %s %s (but ignoring cruft, so nevermind)" % (pkg_name, pkgsv))
else:
@ -1186,7 +1184,7 @@ class Britney(object):
# if the source package has been updated in unstable and this is a binary migration, skip it
# (the binaries are now out-of-date)
if same_source(source_t[VERSION], pkgsv) and source_t[VERSION] != source_u[VERSION]:
if source_t[VERSION] == pkgsv and source_t[VERSION] != source_u[VERSION]:
anywrongver = True
excuse.addhtml("From wrong source: %s %s (%s not %s)" % (pkg_name, binary_u[VERSION], pkgsv, source_u[VERSION]))
continue
@ -1219,7 +1217,7 @@ class Britney(object):
# package is not fake, then check what packages should be removed
if not anywrongver and (anyworthdoing or not self.sources[suite][src][FAKESRC]):
srcv = self.sources[suite][src][VERSION]
ssrc = same_source(source_t[VERSION], srcv)
ssrc = source_t[VERSION] == srcv
# if this is a binary-only migration via *pu, we never want to try
# removing binary packages
if not (ssrc and suite != 'unstable'):
@ -1264,7 +1262,7 @@ class Britney(object):
# otherwise, return False
return False
def should_upgrade_src(self, src, suite, same_source=same_source):
def should_upgrade_src(self, src, suite):
"""Check if source package should be upgraded
This method checks if a source package should be upgraded. The analysis
@ -1274,8 +1272,6 @@ class Britney(object):
It returns False if the given package doesn't need to be upgraded,
True otherwise. In the former case, a new excuse is appended to
the object attribute excuses.
same_source is an opt to avoid "load global".
"""
# retrieve the source packages for testing (if available) and suite
@ -1320,8 +1316,8 @@ class Britney(object):
# if there is a `remove' hint and the requested version is the same as the
# version in testing, then stop here and return False
for item in self.hints.search('remove', package=src):
if source_t and same_source(source_t[VERSION], item.version) or \
same_source(source_u[VERSION], item.version):
if source_t and source_t[VERSION] == item.version or \
source_u[VERSION] == item.version:
excuse.addhtml("Removal request by %s" % (item.user))
excuse.addhtml("Trying to remove package, not update it")
excuse.addreason("remove")
@ -1346,7 +1342,7 @@ class Britney(object):
unblock_cmd = "un" + block_cmd
unblocks = self.hints.search(unblock_cmd, package=src)
if unblocks and unblocks[0].version is not None and same_source(unblocks[0].version, source_u[VERSION]):
if unblocks and unblocks[0].version is not None and unblocks[0].version == source_u[VERSION]:
if suite == 'unstable' or block_cmd == 'block-udeb':
excuse.addhtml("Ignoring %s request by %s, due to %s request by %s" %
(block_cmd, blocked[block_cmd].user, unblock_cmd, unblocks[0].user))
@ -1380,22 +1376,22 @@ class Britney(object):
if suite == 'unstable':
if src not in self.dates:
self.dates[src] = (source_u[VERSION], self.date_now)
elif not same_source(self.dates[src][0], source_u[VERSION]):
elif self.dates[src][0] != source_u[VERSION]:
self.dates[src] = (source_u[VERSION], self.date_now)
days_old = self.date_now - self.dates[src][1]
min_days = self.MINDAYS[urgency]
for age_days_hint in [ x for x in self.hints.search('age-days', package=src) if \
same_source(source_u[VERSION], x.version) ]:
for age_days_hint in [x for x in self.hints.search('age-days', package=src)
if source_u[VERSION] == x.version]:
excuse.addhtml("Overriding age needed from %d days to %d by %s" % (min_days,
int(age_days_hint.days), age_days_hint.user))
min_days = int(age_days_hint.days)
excuse.setdaysold(days_old, min_days)
if days_old < min_days:
urgent_hints = [ x for x in self.hints.search('urgent', package=src) if \
same_source(source_u[VERSION], x.version) ]
urgent_hints = [x for x in self.hints.search('urgent', package=src)
if source_u[VERSION] == x.version]
if urgent_hints:
excuse.addhtml("Too young, but urgency pushed by %s" % (urgent_hints[0].user))
else:
@ -1458,7 +1454,7 @@ class Britney(object):
# if it wasn't built by the same source, it is out-of-date
# if there is at least one binary on this arch which is
# up-to-date, there is a build on this arch
if not same_source(source_u[VERSION], pkgsv):
if source_u[VERSION] != pkgsv:
if pkgsv not in oodbins:
oodbins[pkgsv] = []
oodbins[pkgsv].append(pkg)
@ -1561,7 +1557,7 @@ class Britney(object):
"though it fixes more than it introduces, whine at debian-release)" % pkg)
# check if there is a `force' hint for this package, which allows it to go in even if it is not updateable
forces = [ x for x in self.hints.search('force', package=src) if same_source(source_u[VERSION], x.version) ]
forces = [x for x in self.hints.search('force', package=src) if source_u[VERSION] == x.version]
if forces:
excuse.dontinvalidate = True
if not update_candidate and forces:
@ -1637,14 +1633,12 @@ class Britney(object):
exclookup[x].is_valid = False
i = i + 1
def write_excuses(self, same_source=same_source):
def write_excuses(self):
"""Produce and write the update excuses
This method handles the update excuses generation: the packages are
looked at to determine whether they are valid candidates. For the details
of this procedure, please refer to the module docstring.
same_source is an opt to avoid "load global".
"""
self.__log("Update Excuses generation started", type="I")
@ -1704,7 +1698,8 @@ class Britney(object):
# check if the version specified in the hint is the same as the considered package
tsrcv = sources['testing'][src][VERSION]
if not same_source(tsrcv, item.version): continue
if tsrcv != item.version:
continue
# add the removal of the package to upgrade_me and build a new excuse
upgrade_me.append("-%s" % (src))

32
britney_util.py
Unescape View File

@ -26,7 +26,6 @@ from functools import partial
from datetime import datetime
from itertools import chain, repeat, filterfalse
import os
import re
import time
import yaml
@ -37,31 +36,6 @@ from consts import (VERSION, BINARIES, PROVIDES, DEPENDS, CONFLICTS,
SOURCE, SOURCEVER, MAINTAINER, MULTIARCH,
ESSENTIAL)
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
@ -486,7 +460,7 @@ def write_controlfiles(sources, packages, suite, basedir):
write_sources(sources_s, os.path.join(basedir, 'Sources'))
def old_libraries(sources, packages, fucked_arches=frozenset(), same_source=same_source):
def old_libraries(sources, packages, fucked_arches=frozenset()):
"""Detect old libraries left in testing for smooth transitions
This method detects old libraries which are in testing but no
@ -497,8 +471,6 @@ def old_libraries(sources, packages, fucked_arches=frozenset(), same_source=same
For "fucked" architectures, outdated binaries are allowed to be in
testing, so they are only added to the removal list if they are no longer
in unstable.
same_source is an optimisation to avoid "load global".
"""
sources_t = sources['testing']
testing = packages['testing']
@ -507,7 +479,7 @@ def old_libraries(sources, packages, fucked_arches=frozenset(), same_source=same
for arch in testing:
for pkg_name in testing[arch][0]:
pkg = testing[arch][0][pkg_name]
if not same_source(sources_t[pkg[SOURCE]][VERSION], pkg[SOURCEVER]) and \
if sources_t[pkg[SOURCE]][VERSION] != pkg[SOURCEVER] and \
(arch not in fucked_arches or pkg_name not in unstable[arch][0]):
migration = "-" + "/".join((pkg_name, arch, pkg[SOURCEVER]))
removals.append(MigrationItem(migration))

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