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britney2-ubuntu
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Run the non-installability check of the archive before loading all the architectures; added a switch to use the cached value instead of building it from the scratch.

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master
Fabio Tranchitella 18 years ago
parent 6272abd122
commit 56ed063aab
1 changed files with 50 additions and 7 deletions
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57
britney.py
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@ -221,6 +221,21 @@ class Britney:
# initialize the apt_pkg back-end
apt_pkg.init()
# if requested, build the non-installable status and save it
if not self.options.nuninst_cache:
self.__log("Building the list of not installable packages for the full archive", type="I")
self.sources = {'testing': self.read_sources(self.options.testing)}
nuninst = {}
for arch in self.options.architectures:
self.binaries = {'testing': {arch: self.read_binaries(self.options.testing, "testing", arch)}}
self.__log("> Checking for non-installable packages for architecture %s" % arch, type="I")
result = self.get_nuninst(arch, build=True)
nuninst.update(result)
self.__log("> Found %d non-installable packages" % len(nuninst[arch]), type="I")
self.write_nuninst(nuninst)
else:
self.__log("Not building the list of not installable packages, as requested", type="I")
# read the source and binary packages for the involved distributions
self.sources = {'testing': self.read_sources(self.options.testing),
'unstable': self.read_sources(self.options.unstable),
@ -261,12 +276,14 @@ class Britney:
help="override architectures from configuration file")
self.parser.add_option("", "--actions", action="store", dest="actions", default=None,
help="override the list of actions to be performed")
self.parser.add_option("", "--compatible", action="store_true", dest="compatible", default=False,
help="enable full compatibility with old britney's output")
self.parser.add_option("", "--dry-run", action="store_true", dest="dry_run", default=False,
help="disable all outputs to the testing directory")
self.parser.add_option("", "--compatible", action="store_true", dest="compatible", default=False,
help="enable full compatibility with old britney's output")
self.parser.add_option("", "--control-files", action="store_true", dest="control_files", default=False,
help="enable control files generation")
self.parser.add_option("", "--nuninst-cache", action="store_true", dest="nuninst_cache", default=False,
help="do not build the non-installability status, use the cache from file")
(self.options, self.args) = self.parser.parse_args()
# if the configuration file exists, than read it and set the additional options
@ -799,6 +816,24 @@ class Britney:
f.write(output + "\n")
f.close()
def write_nuninst(self, nuninst):
"""Write the non-installable report"""
f = open(self.options.noninst_status, 'w')
f.write("Built on: " + time.strftime("%Y.%m.%d %H:%M:%S %z", time.gmtime(time.time())) + "\n")
f.write("Last update: " + time.strftime("%Y.%m.%d %H:%M:%S %z", time.gmtime(time.time())) + "\n\n")
f.write("".join([k + ": " + " ".join(nuninst[k]) + "\n" for k in nuninst]))
f.close()
def read_nuninst(self):
"""Read the non-installable report"""
f = open(self.options.noninst_status)
nuninst = {}
for r in f:
if ":" not in r: continue
arch, packages = r.strip().split(":", 1)
nuninst[arch] = packages.split()
return nuninst
# Utility methods for package analisys
# ------------------------------------
@ -1462,7 +1497,7 @@ class Britney:
res[arch] = [x for x in nunew[arch] if x not in nuold[arch]]
return res
def get_nuninst(self):
def get_nuninst(self, requested_arch=None, build=False):
"""Return the uninstallability statistic for all the architectures
To calculate the uninstallability counters, the method checks the
@ -1474,6 +1509,10 @@ class Britney:
It returns a dictionary with the architectures as keys and the list
of uninstallable packages as values.
"""
# if we are not asked to build the nuninst, read it from the cache
if not build:
return self.read_nuninst()
nuninst = {}
# local copies for better performances
@ -1490,12 +1529,13 @@ class Britney:
tpkg = binaries[arch][0][p]
if skip_archall and tpkg['architecture'] == 'all':
continue
r = check_installable(p, arch, 'testing', excluded=nuninst[arch], conflicts=False)
r = check_installable(p, arch, 'testing', excluded=nuninst[arch], conflicts=True)
if not r:
add_nuninst(p, arch)
# for all the architectures
for arch in self.options.architectures:
if requested_arch and arch != requested_arch: continue
# if it is in the nobreakall ones, check arch-indipendent packages too
if arch not in self.options.nobreakall_arches:
skip_archall = True
@ -1508,7 +1548,7 @@ class Britney:
pkg = binaries[arch][0][pkg_name]
if skip_archall and pkg['architecture'] == 'all':
continue
r = check_installable(pkg_name, arch, 'testing', excluded=nuninst[arch], conflicts=False)
r = check_installable(pkg_name, arch, 'testing', excluded=nuninst[arch], conflicts=True)
if not r:
add_nuninst(pkg_name, arch)
@ -1752,7 +1792,7 @@ class Britney:
# if conflict is found, check if it can be solved removing
# already-installed packages without broking the system; if
# this is not possible, give up and return False
output = handle_conflict(name, pkg, system.copy(), conflicts.copy())
output = handle_conflict(pkg, name, system.copy(), conflicts.copy())
if output:
system, conflicts = output
else:
@ -1795,7 +1835,7 @@ class Britney:
# if all the blocks have been satisfied, the package is installable
return True
# check the package at the top of the tree
return satisfy(pkg)
@ -2486,12 +2526,15 @@ class Britney:
This is the entry point for the class: it includes the list of calls
for the member methods which will produce the output files.
"""
# if no actions are provided, build the excuses and sort them
if not self.options.actions:
self.write_excuses()
if not self.options.compatible:
self.sort_actions()
# otherwise, use the actions provided by the command line
else: self.upgrade_me = self.options.actions.split()
# run the upgrade test
self.upgrade_testing()
if __name__ == '__main__':

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