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britney2-ubuntu
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First implementation of UpgradeRun, actually limited to removed sources.

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bzr-import-20160707
Fabio Tranchitella 19 years ago
parent 82bafce7a3
commit e08abbcb44
2 changed files with 150 additions and 18 deletions
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4
britney.conf
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@ -7,9 +7,11 @@ UNSTABLE = ../data/unstable
# Output
EXCUSES_OUTPUT = update.EXCUSES_py
UPGRADE_OUTPUT = update.OUTPUT_py
# List of release architectures
ARCHITECTURES = i386 sparc alpha powerpc arm m68k hppa ia64 mips mipsel s390 amd64
# ARCHITECTURES = i386 sparc alpha powerpc arm m68k hppa ia64 mips mipsel s390 amd64
ARCHITECTURES = i386 hppa
# if you're not in this list, arch: all packages are allowed to break on you
NOBREAKALL_ARCHES = i386

164
britney.py
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@ -181,10 +181,12 @@ import sys
import string
import time
import optparse
import operator
import apt_pkg
from excuse import Excuse
from upgrade import UpgradeRun
__author__ = 'Fabio Tranchitella'
__version__ = '2.0.alpha1'
@ -358,6 +360,7 @@ class Britney:
'source': pkg,
'source-ver': version,
'architecture': Packages.Section.get('Architecture'),
'rdepends': [],
}
for k in ('Pre-Depends', 'Depends', 'Provides'):
v = Packages.Section.get(k)
@ -393,18 +396,18 @@ class Britney:
# loop again on the list of packages to register reverse dependencies
# this is not needed for the moment, so it is disabled
#for pkg in packages:
# dependencies = []
# if packages[pkg].has_key('depends'):
# dependencies.extend(apt_pkg.ParseDepends(packages[pkg]['depends']))
# if packages[pkg].has_key('pre-depends'):
# dependencies.extend(apt_pkg.ParseDepends(packages[pkg]['pre-depends']))
# # register the list of the dependencies for the depending packages
# for p in dependencies:
# for a in p:
# if a[0] not in packages: continue
# packages[a[0]]['rdepends'].append((pkg, a[1], a[2]))
# del dependencies
for pkg in packages:
dependencies = []
if packages[pkg].has_key('depends'):
dependencies.extend(apt_pkg.ParseDepends(packages[pkg]['depends']))
if packages[pkg].has_key('pre-depends'):
dependencies.extend(apt_pkg.ParseDepends(packages[pkg]['pre-depends']))
# register the list of the dependencies for the depending packages
for p in dependencies:
for a in p:
if a[0] not in packages: continue
packages[a[0]]['rdepends'].append((pkg, a[1], a[2]))
del dependencies
# return a tuple with the list of real and virtual packages
return (packages, provides)
@ -672,7 +675,7 @@ class Britney:
return 0
def get_dependency_solvers(self, block, arch, distribution):
def get_dependency_solvers(self, block, arch, distribution, excluded=[]):
"""Find the packages which satisfy a dependency block
This method returns the list of packages which satisfy a dependency
@ -689,7 +692,7 @@ class Britney:
# for every package, version and operation in the block
for name, version, op in block:
# look for the package in unstable
if name in self.binaries[distribution][arch][0]:
if name in self.binaries[distribution][arch][0] and name not in excluded:
package = self.binaries[distribution][arch][0][name]
# check the versioned dependency (if present)
if op == '' and version == '' or apt_pkg.CheckDep(package['version'], op, version):
@ -699,6 +702,7 @@ class Britney:
if name in self.binaries[distribution][arch][1]:
# loop on the list of packages which provides it
for prov in self.binaries[distribution][arch][1][name]:
if prov in excluded: continue
package = self.binaries[distribution][arch][0][prov]
# check the versioned dependency (if present)
# TODO: this is forbidden by the debian policy, which says that versioned
@ -710,7 +714,7 @@ class Britney:
return (len(packages) > 0, packages)
def excuse_unsat_deps(self, pkg, src, arch, suite, excuse):
def excuse_unsat_deps(self, pkg, src, arch, suite, excuse=None, excluded=[]):
"""Find unsatisfied dependencies for a binary package
This method analyzes the dependencies of the binary package specified
@ -736,8 +740,10 @@ class Britney:
# for every block of dependency (which is formed as conjunction of disconjunction)
for block, block_txt in map(None, apt_pkg.ParseDepends(binary_u[type_key]), binary_u[type_key].split(',')):
# if the block is satisfied in testing, then skip the block
solved, packages = self.get_dependency_solvers(block, arch, 'testing')
solved, packages = self.get_dependency_solvers(block, arch, 'testing', excluded)
if solved: continue
elif excuse == None:
return False
# check if the block can be satisfied in unstable, and list the solving packages
solved, packages = self.get_dependency_solvers(block, arch, suite)
@ -758,6 +764,8 @@ class Britney:
else:
excuse.add_break_dep(p, arch)
return True
# Package analisys methods
# ------------------------
@ -1226,9 +1234,11 @@ class Britney:
e.addhtml("Unpossible dep: %s -> %s" % (e.name, d))
self.invalidate_excuses(upgrade_me, unconsidered)
self.__log("Writing Excuses to %s" % self.options.excuses_output, type="I")
self.upgrade_me = sorted(upgrade_me)
# write excuses to the output file
self.__log("Writing Excuses to %s" % self.options.excuses_output, type="I")
f = open(self.options.excuses_output, 'w')
f.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n")
f.write("<html><head><title>excuses...</title>")
@ -1242,6 +1252,125 @@ class Britney:
self.__log("Update Excuses generation completed", type="I")
# Upgrade run
# -----------
def get_nuninst(self):
nuninst = {}
def add_nuninst(pkg, arch):
if pkg not in nuninst[arch]:
nuninst[arch].append(pkg)
for p in self.binaries['testing'][arch][0][pkg]['rdepends']:
tpkg = self.binaries['testing'][arch][0][p[0]]
if skip_archall and tpkg['architecture'] == 'all':
continue
r = self.excuse_unsat_deps(p[0], tpkg['source'], arch, 'testing', None, excluded=nuninst[arch])
if not r:
add_nuninst(p[0], arch)
for arch in self.options.architectures:
if arch not in self.options.nobreakall_arches:
skip_archall = True
else: skip_archall = False
nuninst[arch] = []
for pkg_name in self.binaries['testing'][arch][0]:
pkg = self.binaries['testing'][arch][0][pkg_name]
if skip_archall and pkg['architecture'] == 'all':
continue
r = self.excuse_unsat_deps(pkg_name, pkg['source'], arch, 'testing', None, excluded=nuninst[arch])
if not r:
add_nuninst(pkg_name, arch)
return nuninst
def eval_nuninst(self, nuninst):
res = []
total = 0
totalbreak = 0
for arch in self.options.architectures:
if nuninst.has_key(arch):
n = len(nuninst[arch])
if arch in self.options.break_arches:
totalbreak = totalbreak + n
else:
total = total + n
res.append("%s-%d" % (arch[0], n))
return "%d+%d: %s" % (total, totalbreak, ":".join(res))
def eval_uninst(self, nuninst):
res = ""
for arch in self.arches:
if nuninst.has_key(arch) and nuninst[arch] != []:
res = res + " * %s: %s\n" % (arch,
", ".join(nuninst[arch]))
return res
def iter_packages(self, packages, output):
n = 0
extra = []
for pkg in packages:
output.write("trying: %s\n" % (pkg))
n += 1
nuninst = {}
if pkg[0] == "-":
pkg_name = pkg[1:]
source = self.sources['testing'][pkg_name]
for arch in self.options.architectures:
affected = []
binaries = []
for p in sorted(filter(lambda x: x.endswith("/" + arch), source['binaries'])):
p = p.split("/")[0]
binaries.append(p)
affected.extend(self.binaries['testing'][arch][0][p]['rdepends'])
broken = []
for p in affected:
if self.binaries['testing'][arch][0][p[0]]['source'] == pkg_name: continue
r = self.excuse_unsat_deps(p[0], None, arch, 'testing', None, excluded=binaries)
if not r and p[0] not in broken: broken.append(p[0])
l = 0
while l < len(broken):
l = len(broken)
for j in broken:
for p in self.binaries['testing'][arch][0][j]['rdepends']:
if self.binaries['testing'][arch][0][p[0]]['source'] == pkg_name: continue
r = self.excuse_unsat_deps(p[0], None, arch, 'testing', None, excluded=binaries+broken)
if not r and p[0] not in broken: broken.append(p[0])
nuninst[arch] = sorted(broken)
if len(nuninst[arch]) > 0:
output.write("skipped: %s (%d <- %d)\n" % (pkg, len(extra), len(packages)-n))
output.write(" got: %s\n" % self.eval_nuninst(nuninst))
output.write(" * %s: %s\n" % (arch, ", ".join(nuninst[arch])))
break
else:
return
def do_all(self, output):
nuninst_start = self.get_nuninst()
output.write("start: %s\n" % self.eval_nuninst(nuninst_start))
output.write("orig: %s\n" % self.eval_nuninst(nuninst_start))
self.iter_packages(self.upgrade_me, output)
def upgrade_testing(self):
"""Upgrade testing using the unstable packages
This method tries to upgrade testing using the packages from unstable.
"""
self.__log("Starting the upgrade test", type="I")
output = open(self.options.upgrade_output, 'w')
output.write("Generated on: %s\n" % (time.strftime("%Y.%m.%d %H:%M:%S %z", time.gmtime(time.time()))))
output.write("Arch order is: %s\n" % ", ".join(self.options.architectures))
# TODO: process hints!
self.do_all(output)
output.close()
self.__log("Test completed!", type="I")
def main(self):
"""Main method
@ -1249,6 +1378,7 @@ class Britney:
for the member methods which will produce the output files.
"""
self.write_excuses()
self.upgrade_testing()
if __name__ == '__main__':
Britney().main()

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