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
import apt_pkg
apt_pkg.init()
sources = apt_pkg.GetPkgSourceList()
sources.ReadMainList()
for metaindex in sources.List:
print metaindex
print "URI: ",metaindex.URI
print "Dist: ",metaindex.Dist
print "IndexFiles: ","\n".join([str(i) for i in metaindex.IndexFiles])
print
def commit(self, fprogress, iprogress):
""" commit the changes, need a FetchProgress and InstallProgress
object as argument
"""
self._depcache.Commit(fprogress, iprogress)
# self-test
if __name__ == "__main__":
print "Self-test for the Package modul"
apt_pkg.init()
cache = apt_pkg.GetCache()
depcache = apt_pkg.GetDepCache(cache)
records = apt_pkg.GetPkgRecords(cache)
sourcelist = apt_pkg.GetPkgSourceList()
pkgiter = cache["apt-utils"]
pkg = Package(cache, depcache, records, sourcelist, None, pkgiter)
print "Name: %s " % pkg.name
print "ID: %s " % pkg.id
print "Priority (Candidate): %s " % pkg.priority
print "Priority (Installed): %s " % pkg.installedPriority
print "Installed: %s " % pkg.installedVersion
print "Candidate: %s " % pkg.candidateVersion
print "CandidateDownloadable: %s" % pkg.candidateDownloadable
print "CandidateOrigins: %s" % pkg.candidateOrigin
print "SourcePkg: %s " % pkg.sourcePackageName
print "Section: %s " % pkg.section
print "Summary: %s" % pkg.summary
print "Description (formated) :\n%s" % pkg.description