diff options
Diffstat (limited to 'apt/cache.py')
| -rw-r--r-- | apt/cache.py | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/apt/cache.py b/apt/cache.py index 9e682bd8..65f3c9d9 100644 --- a/apt/cache.py +++ b/apt/cache.py @@ -25,6 +25,16 @@ import apt.progress import os import sys +class FetchCancelledException(IOError): + " Exception that is thrown when the user cancels a fetch operation " + pass +class FetchFailedException(IOError): + " Exception that is thrown when fetching fails " + pass +class LockFailedException(IOError): + " Exception that is thrown when locking fails " + pass + class Cache(object): """ Dictionary-like package cache This class has all the packages that are available in it's @@ -129,9 +139,11 @@ class Cache(object): errMsg += "Failed to fetch %s %s\n" % (item.DescURI,item.ErrorText) failed = True - # we raise a exception if the download failed - if failed: - raise IOError, errMsg + # we raise a exception if the download failed or it was cancelt + if res == fetcher.ResultCancelled: + raise FetchCancelledException, errMsg + elif failed: + raise FetchFailedException, errMsg return res def _fetchArchives(self, fetcher, pm): @@ -141,7 +153,7 @@ class Cache(object): lockfile = apt_pkg.Config.FindDir("Dir::Cache::Archives") + "lock" lock = apt_pkg.GetLock(lockfile) if lock < 0: - raise IOError, "Failed to lock %s" % lockfile + raise LockFailedException, "Failed to lock %s" % lockfile try: # this may as well throw a SystemError exception @@ -157,7 +169,7 @@ class Cache(object): lockfile = apt_pkg.Config.FindDir("Dir::State::Lists") + "lock" lock = apt_pkg.GetLock(lockfile) if lock < 0: - raise IOError, "Failed to lock %s" % lockfile + raise LockFailedException, "Failed to lock %s" % lockfile try: if fetchProgress == None: |