| # Copyright 1999-2009 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| 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())) |