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# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
from _emerge.SlotObject import SlotObject
class Task(SlotObject):
__slots__ = ("_hash_key", "_hash_value")
def _get_hash_key(self):
try:
return self._hash_key
except AttributeError:
raise NotImplementedError(self)
def __eq__(self, other):
return self._get_hash_key() == other
def __ne__(self, other):
return self._get_hash_key() != other
def __hash__(self):
hash_value = getattr(self, "_hash_value", None)
if hash_value is None:
self._hash_value = hash(self._get_hash_key())
return self._hash_value
def __len__(self):
return len(self._get_hash_key())
def __getitem__(self, key):
return self._get_hash_key()[key]
def __iter__(self):
return iter(self._get_hash_key())
def __contains__(self, key):
return key in self._get_hash_key()
def __str__(self):
"""
Emulate tuple.__repr__, but don't show 'foo' as u'foo' for unicode
strings.
"""
return "(%s)" % ", ".join(("'%s'" % x for x in self._get_hash_key()))
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