def commit(self):
os.environ["DEBIAN_FRONTEND"] = "noninteractive"
os.environ["DEBONF_NONINTERACTIVE_SEEN"] = "true"
print("Commiting changes ...")
self.cache.commit(ElbeAcquireProgress(),
ElbeInstallProgress(fileno=sys.stdout.fileno()))
self.cache.open(progress=ElbeOpProgress())
def commit(self):
os.environ["DEBIAN_FRONTEND"] = "noninteractive"
os.environ["DEBONF_NONINTERACTIVE_SEEN"] = "true"
self.cache.commit(ElbeAcquireProgress(),
ElbeInstallProgress(fileno=self.logfile.fileno()))
self.cache.open(progress=ElbeOpProgress())
def _apply_update(fname, status):
try:
xml = etree(fname)
except:
return "read %s failed" % fname
fpl = xml.node("fullpkgs")
sources = apt_pkg.SourceList()
sources.read_main_list()
status.log("initialize apt")
apt_pkg.init()
cache = apt_pkg.Cache(progress=ElbeOpProgress(cb=status.log))
status.set_progress(1)
status.log("updating package cache")
cache.update(ElbeAcquireProgress(cb=status.log), sources)
# quote from python-apt api doc: "A call to this method does not affect the
# current Cache object, instead a new one should be created in order to use
# the changed index files."
cache = apt_pkg.Cache(progress=ElbeOpProgress(cb=status.log))
depcache = apt_pkg.DepCache(cache)
hl_cache = apt.cache.Cache(progress=ElbeOpProgress(cb=status.log))
hl_cache.update(fetch_progress=ElbeAcquireProgress(cb=status.log))
# go through package cache, if a package is in the fullpkg list of the XML
# mark the package for installation (with the specified version)
# if it is not mentioned in the fullpkg list purge the package out of the
# system.
status.set_progress(2)
status.log("calculating packages to install/remove")
count = len(hl_cache)
step = count / 10
i = 0
percent = 0
for p in hl_cache:
i = i + 1
if not (i % step):
percent = percent + 10
status.log(str(percent) + "% - " + str(i) + "/" + str(count))
status.set_progress(2, str(percent) + "%")
pkg = cache[p.name]
marked = False
for fpi in fpl:
if pkg.name == fpi.et.text:
mark_install(depcache, pkg, fpi.et.get('version'),
fpi.et.get('auto'), status)
marked = True
if not marked:
depcache.mark_delete(pkg, True)
status.set_progress(3)
status.log("applying snapshot")
depcache.commit(ElbeAcquireProgress(cb=status.log),
ElbeInstallProgress(cb=status.log))
del depcache
del hl_cache
del cache
del sources
version_file = open("/etc/updated_version", "w")
version_file.write(xml.text("/project/version"))
version_file.close()
def commit(self):
os.environ["DEBIAN_FRONTEND"]="noninteractive"
os.environ["DEBONF_NONINTERACTIVE_SEEN"]="true"
self.cache.commit( ElbeAcquireProgress(cb=self.co_cb),
ElbeInstallProgress(cb=self.co_cb) )
self.cache.open()