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import sys
class PasswordSetError(Exception):
"""Raised when the password can't be set.
"""
class PasswordDeleteError(Exception):
"""Raised when the password can't be deleted.
"""
class InitError(Exception):
"""Raised when the keyring could not be initialised
"""
class ExceptionRaisedContext(object):
"""
An exception-trapping context that indicates whether an exception was
raised.
"""
def __init__(self, ExpectedException=Exception):
self.ExpectedException = ExpectedException
self.exc_info = None
def __enter__(self):
self.exc_info = object.__new__(ExceptionInfo)
return self.exc_info
def __exit__(self, *exc_info):
self.exc_info.__init__(*exc_info)
return self.exc_info.type and issubclass(
self.exc_info.type, self.ExpectedException)
class ExceptionInfo(object):
def __init__(self, *info):
if not info:
info = sys.exc_info()
self.type, self.value, self.traceback = info
def __bool__(self):
"""
Return True if an exception occurred
"""
return bool(self.type)
__nonzero__ = __bool__
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