def main():
apt_pkg.init()
cache = apt_pkg.GetCache()
depcache = apt_pkg.GetDepCache(cache)
depcache.Init()
i = 0
print "Running PkgRecords test on all packages:"
for pkg in cache.Packages:
i += 1
records = apt_pkg.GetPkgRecords(cache)
if len(pkg.VersionList) == 0:
#print "no available version, cruft"
continue
version = depcache.GetCandidateVer(pkg)
if not version:
continue
file, index = version.FileList.pop(0)
if records.Lookup((file, index)):
#print records.FileName
x = records.FileName
y = records.LongDesc
pass
print "\r%i/%i=%.3f%% " % (i, cache.PackageCount,
(float(i) / float(cache.PackageCount) *
100)),
def open(self, progress):
""" Open the package cache, after that it can be used like
a dictionary
"""
self._runCallbacks("cache_pre_open")
self._cache = apt_pkg.GetCache(progress)
self._depcache = apt_pkg.GetDepCache(self._cache)
self._records = apt_pkg.GetPkgRecords(self._cache)
self._list = apt_pkg.GetPkgSourceList()
self._list.ReadMainList()
self._dict = {}
# build the packages dict
if progress != None:
progress.Op = "Building data structures"
i = last = 0
size = len(self._cache.Packages)
for pkg in self._cache.Packages:
if progress != None and last + 100 < i:
progress.update(i / float(size) * 100)
last = i
# drop stuff with no versions (cruft)
if len(pkg.VersionList) > 0:
self._dict[pkg.Name] = Package(self._cache, self._depcache,
self._records, self._list, self,
pkg)
i += 1
if progress != None:
progress.done()
self._runCallbacks("cache_post_open")
def get_single_package(name):
if type(package) != str:
raise TypeError("Expected string")
cache = apt_pkg.GetCache()
depcache = apt_pkg.GetDepCache(cache)
records = apt_pkg.GetPkgRecords(cache)
sourcelist = apt_pkg.GetPkgSourceList()
pkg = apt.package.Package(cache, depcache, records, sourcelist, None,
cache[sys.argv[1]])
return pkg
def load(self):
"""
Regenerates the fake configuration and load the packages server.
"""
if not self.loaded:
log.msg("Loading Packages database for "+self.status_dir,'apt_pkg')
shutil.rmtree(self.status_dir+'/apt/lists/')
os.makedirs(self.status_dir+'/apt/lists/partial')
sources = open(self.status_dir+'/'+'apt/etc/sources.list', 'w')
for file in self.packages.keys():
# we should probably clear old entries from self.packages and
# take into account the recorded mtime as optimization
fake_uri='http://apt-proxy:'+file
source_line='deb '+dirname(fake_uri)+'/ /'
listpath=(self.status_dir+'/apt/lists/'
+apt_pkg.URItoFileName(fake_uri))
sources.write(source_line+'\n')
try:
#we should empty the directory instead
os.unlink(listpath)
except:
pass
os.symlink('../../../../../'+file, listpath)
sources.close()
for key, value in self.local_config.items():
apt_pkg.Config[key] = value
apt_pkg.InitSystem()
if log.isEnabled('apt'):
self.cache = apt_pkg.GetCache()
else:
# apt_pkg prints progress messages to stdout, disable
self.__save_stdout()
self.cache = apt_pkg.GetCache()
self.__restore_stdout()
self.records = apt_pkg.GetPkgRecords(self.cache)
self.loaded = 1
import apt_pkg
apt_pkg.init()
apt_pkg.Config.Set("APT::Acquire::Translation","de")
cache = apt_pkg.GetCache()
depcache = apt_pkg.GetDepCache(cache)
pkg = cache["gcc"]
cand = depcache.GetCandidateVer(pkg)
print cand
desc = cand.TranslatedDescription
print desc
print desc.FileList
(f,index) = desc.FileList.pop(0)
records = apt_pkg.GetPkgRecords(cache)
records.Lookup((f,index))
desc = records.LongDesc
print len(desc)
print desc