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__version__ = '0.5.1'
__version_info__ = (0, 5, 1)
class SASLError(Exception):
"""
Typically represents a user error in configuration or usage of the
SASL client or mechanism.
"""
pass
class SASLProtocolException(Exception):
"""
Raised when an error occurs while communicating with the SASL server
or the client and server fail to agree on negotiated properties such
as quality of protection.
"""
pass
class SASLWarning(Warning):
"""
Emitted in potentially fatal circumstances.
"""
pass
class QOP(object):
AUTH = b'auth'
AUTH_INT = b'auth-int'
AUTH_CONF = b'auth-conf'
all = (AUTH, AUTH_INT, AUTH_CONF)
bit_map = {1: AUTH, 2: AUTH_INT, 4: AUTH_CONF}
name_map = dict((bit, name) for name, bit in bit_map.items())
@classmethod
def names_from_bitmask(cls, byt):
return set(name for bit, name in cls.bit_map.items() if bit & byt)
@classmethod
def flag_from_name(cls, name):
return cls.name_map[name]
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