| # Copyright 2015 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| from __future__ import unicode_literals |
| |
| import sys |
| |
| from portage import _encodings, _unicode_encode |
| |
| class SonameAtom(object): |
| |
| __slots__ = ("multilib_category", "soname", "_hash_key", |
| "_hash_value") |
| |
| # Distiguishes package atoms from other atom types |
| package = False |
| |
| def __init__(self, multilib_category, soname): |
| object.__setattr__(self, "multilib_category", multilib_category) |
| object.__setattr__(self, "soname", soname) |
| object.__setattr__(self, "_hash_key", |
| (multilib_category, soname)) |
| object.__setattr__(self, "_hash_value", hash(self._hash_key)) |
| |
| def __setattr__(self, name, value): |
| raise AttributeError("SonameAtom instances are immutable", |
| self.__class__, name, value) |
| |
| def __hash__(self): |
| return self._hash_value |
| |
| def __eq__(self, other): |
| try: |
| return self._hash_key == other._hash_key |
| except AttributeError: |
| return False |
| |
| def __ne__(self, other): |
| try: |
| return self._hash_key != other._hash_key |
| except AttributeError: |
| return True |
| |
| def __repr__(self): |
| return "%s('%s', '%s')" % ( |
| self.__class__.__name__, |
| self.multilib_category, |
| self.soname |
| ) |
| |
| def __str__(self): |
| return "%s: %s" % (self.multilib_category, self.soname) |
| |
| if sys.hexversion < 0x3000000: |
| |
| __unicode__ = __str__ |
| |
| def __str__(self): |
| return _unicode_encode(self.__unicode__(), |
| encoding=_encodings['content']) |
| |
| def match(self, pkg): |
| """ |
| Check if the given package instance matches this atom. Unbuilt |
| ebuilds, which do not have soname metadata, will never match. |
| |
| @param pkg: a Package instance |
| @type pkg: Package |
| @return: True if this atom matches pkg, otherwise False |
| @rtype: bool |
| """ |
| return pkg.provides is not None and self in pkg.provides |