diff options
Diffstat (limited to 'apt/cache.py')
| -rw-r--r-- | apt/cache.py | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/apt/cache.py b/apt/cache.py index b5733d98..2e6d24e5 100644 --- a/apt/cache.py +++ b/apt/cache.py @@ -46,17 +46,21 @@ class Cache(object): """Dictionary-like package cache. This class has all the packages that are available in it's - dictionary. + dictionary. Keyword arguments: progress -- a OpProgress object - rootdir -- a alternative root directory. if that is given - the system sources.list and system lists/ files are + rootdir -- a alternative root directory. if that is given + the system sources.list and system lists/ files are not read, only files relative to the given rootdir memonly -- build the cache in memory only """ def __init__(self, progress=None, rootdir=None, memonly=False): + self._cache = None + self._depcache = None + self._records = None + self._list = None self._callbacks = {} self._weakref = weakref.WeakValueDictionary() self._set = set() @@ -95,12 +99,12 @@ class Cache(object): "/var/lib/apt/lists/partial", ] for d in dirs: - if not os.path.exists(rootdir+d): - print "creating: ",rootdir+d - os.makedirs(rootdir+d) + if not os.path.exists(rootdir + d): + print "creating: ", rootdir + d + os.makedirs(rootdir + d) for f in files: - if not os.path.exists(rootdir+f): - open(rootdir+f,"w") + if not os.path.exists(rootdir + f): + open(rootdir + f, "w") def _run_callbacks(self, name): """ internal helper to run a callback """ @@ -125,12 +129,12 @@ class Cache(object): self._weakref.clear() progress.op = _("Building data structures") - i=last=0 - size=len(self._cache.packages) + i = last = 0 + size = len(self._cache.packages) for pkg in self._cache.packages: if progress is not None and last+100 < i: progress.update(i/float(size)*100) - last=i + last = i # drop stuff with no versions (cruft) if len(pkg.version_list) > 0: self._set.add(pkg.name) @@ -376,9 +380,10 @@ class Cache(object): elif res == pm.RESULT_FAILED: raise SystemError("installArchives() failed") elif res == pm.RESULT_INCOMPLETE: - pass + pass else: - raise SystemError("internal-error: unknown result code from InstallArchives: %s" % res) + raise SystemError("internal-error: unknown result code " + "from InstallArchives: %s" % res) # reload the fetcher for media swaping fetcher.shutdown() return (res == pm.RESULT_COMPLETED) @@ -623,9 +628,9 @@ def _test(): # see if fetching works - for dir in ["/tmp/pytest", "/tmp/pytest/partial"]: - if not os.path.exists(dir): - os.mkdir(dir) + for dirname in ["/tmp/pytest", "/tmp/pytest/partial"]: + if not os.path.exists(dirname): + os.mkdir(dirname) apt_pkg.config.set("Dir::Cache::Archives", "/tmp/pytest") pm = apt_pkg.PackageManager(cache._depcache) fetcher = apt_pkg.Acquire(apt.progress.text.AcquireProgress()) |