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Move register_reverses to britney_util

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Signed-off-by: Niels Thykier <niels@thykier.net>
This commit is contained in:
Niels Thykier 2012-12-28 11:52:56 +01:00
parent d9b20ef0ab
commit 5c1391da4f
2 changed files with 50 additions and 43 deletions
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44
britney.py
View File

@ -213,7 +213,7 @@ from migrationitem import MigrationItem, HintItem
from hints import HintCollection
from britney import buildSystem
from britney_util import (old_libraries_format, same_source, undo_changes,
ifilter_except, ifilter_only)
register_reverses)
from consts import (VERSION, SECTION, BINARIES, MAINTAINER, FAKESRC,
SOURCE, SOURCEVER, ARCHITECTURE, DEPENDS, CONFLICTS,
PROVIDES, RDEPENDS, RCONFLICTS)
@ -566,52 +566,12 @@ class Britney(object):
packages[pkg] = dpkg
# loop again on the list of packages to register reverse dependencies and conflicts
register_reverses = self.register_reverses
for pkg in packages:
register_reverses(pkg, packages, provides, check_doubles=False)
# return a tuple with the list of real and virtual packages
return (packages, provides)
def register_reverses(self, pkg, packages, provides, check_doubles=True, parse_depends=apt_pkg.parse_depends):
"""Register reverse dependencies and conflicts for the specified package
This method registers the reverse dependencies and conflicts for
a given package using `packages` as the list of packages and `provides`
as the list of virtual packages.
The method has an optional parameter parse_depends which is there
just for performance reasons and is not meant to be overwritten.
"""
# register the list of the dependencies for the depending packages
dependencies = []
if packages[pkg][DEPENDS]:
dependencies.extend(parse_depends(packages[pkg][DEPENDS], False))
# go through the list
for p in dependencies:
for a in p:
# register real packages
if a[0] in packages and (not check_doubles or pkg not in packages[a[0]][RDEPENDS]):
packages[a[0]][RDEPENDS].append(pkg)
# also register packages which provide the package (if any)
if a[0] in provides:
for i in provides.get(a[0]):
if i not in packages: continue
if not check_doubles or pkg not in packages[i][RDEPENDS]:
packages[i][RDEPENDS].append(pkg)
# register the list of the conflicts for the conflicting packages
if packages[pkg][CONFLICTS]:
for p in parse_depends(packages[pkg][CONFLICTS], False):
for a in p:
# register real packages
if a[0] in packages and (not check_doubles or pkg not in packages[a[0]][RCONFLICTS]):
packages[a[0]][RCONFLICTS].append(pkg)
# also register packages which provide the package (if any)
if a[0] in provides:
for i in provides[a[0]]:
if i not in packages: continue
if not check_doubles or pkg not in packages[i][RCONFLICTS]:
packages[i][RCONFLICTS].append(pkg)
def read_bugs(self, basedir):
"""Read the release critial bug summary from the specified directory
@ -2031,7 +1991,7 @@ class Britney(object):
for p in source[BINARIES]:
binary, parch = p.split("/")
if item.architecture not in ['source', parch]: continue
self.register_reverses(binary, binaries[parch][0] , binaries[parch][1])
register_reverses(binary, binaries[parch][0] , binaries[parch][1])
# add/update the source package
if item.architecture == 'source':

49
britney_util.py
View File

@ -18,10 +18,14 @@
# GNU General Public License for more details.
import apt_pkg
from functools import partial
from itertools import ifilter, ifilterfalse
import re
from consts import BINARIES, PROVIDES
from consts import (BINARIES, PROVIDES, DEPENDS, CONFLICTS,
RDEPENDS, RCONFLICTS)
binnmu_re = re.compile(r'^(.*)\+b\d+$')
@ -157,3 +161,46 @@ def old_libraries_format(libs):
libraries[pkg] = [arch]
return "\n".join(" " + k + ": " + " ".join(libraries[k]) for k in libraries) + "\n"
def register_reverses(pkg, packages, provides, check_doubles=True,
parse_depends=apt_pkg.parse_depends,
RDEPENDS=RDEPENDS, RCONFLICTS=RCONFLICTS):
"""Register reverse dependencies and conflicts for the specified package
This method registers the reverse dependencies and conflicts for
a given package using `packages` as the list of packages and `provides`
as the list of virtual packages.
The "X=X" parameters are optimizations to avoid "load global" in
the loops.
"""
# register the list of the dependencies for the depending packages
dependencies = []
if packages[pkg][DEPENDS]:
dependencies.extend(parse_depends(packages[pkg][DEPENDS], False))
# go through the list
for p in dependencies:
for a in p:
# register real packages
if a[0] in packages and (not check_doubles or pkg not in packages[a[0]][RDEPENDS]):
packages[a[0]][RDEPENDS].append(pkg)
# also register packages which provide the package (if any)
if a[0] in provides:
for i in provides.get(a[0]):
if i not in packages: continue
if not check_doubles or pkg not in packages[i][RDEPENDS]:
packages[i][RDEPENDS].append(pkg)
# register the list of the conflicts for the conflicting packages
if packages[pkg][CONFLICTS]:
for p in parse_depends(packages[pkg][CONFLICTS], False):
for a in p:
# register real packages
if a[0] in packages and (not check_doubles or pkg not in packages[a[0]][RCONFLICTS]):
packages[a[0]][RCONFLICTS].append(pkg)
# also register packages which provide the package (if any)
if a[0] in provides:
for i in provides[a[0]]:
if i not in packages: continue
if not check_doubles or pkg not in packages[i][RCONFLICTS]:
packages[i][RCONFLICTS].append(pkg)