| # Copyright: 2005 Gentoo Foundation |
| # Author(s): Brian Harring (ferringb@gentoo.org) |
| # License: GPL2 |
| # $Id$ |
| |
| class CacheError(Exception): pass |
| |
| class InitializationError(CacheError): |
| def __init__(self, class_name, error): |
| self.error, self.class_name = error, class_name |
| def __str__(self): |
| return "Creation of instance %s failed due to %s" % \ |
| (self.class_name, str(self.error)) |
| |
| |
| class CacheCorruption(CacheError): |
| def __init__(self, key, ex): |
| self.key, self.ex = key, ex |
| def __str__(self): |
| return "%s is corrupt: %s" % (self.key, str(self.ex)) |
| |
| |
| class GeneralCacheCorruption(CacheError): |
| def __init__(self,ex): self.ex = ex |
| def __str__(self): return "corruption detected: %s" % str(self.ex) |
| |
| |
| class InvalidRestriction(CacheError): |
| def __init__(self, key, restriction, exception=None): |
| if exception == None: exception = '' |
| self.key, self.restriction, self.ex = key, restriction, ex |
| def __str__(self): |
| return "%s:%s is not valid: %s" % \ |
| (self.key, self.restriction, str(self.ex)) |
| |
| |
| class ReadOnlyRestriction(CacheError): |
| def __init__(self, info=''): |
| self.info = info |
| def __str__(self): |
| return "cache is non-modifiable"+str(self.info) |
