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# Copyright 2015-2020 Gentoo Authors
# 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 __getstate__(self):
return dict((k, getattr(self, k)) for k in self.__slots__)
def __setstate__(self, state):
for k, v in state.items():
object.__setattr__(self, k, v)
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
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