def _collapse_use_dict(self, attr):
stack = (getattr(x, attr) for x in self.stack)
d = misc.ChunkedDataDict()
for mapping in stack:
d.merge(mapping)
d.freeze()
return d
def _parse_use(self, data):
c = misc.ChunkedDataDict()
neg, pos = split_negations(data)
if neg or pos:
c.add_bare_global(neg, pos)
c.freeze()
return c
class EmptyRootNode(ProfileNode):
__inst_caching__ = True
parents = ()
deprecated = None
pkg_use = masked_use = stable_masked_use = forced_use = stable_forced_use = misc.ChunkedDataDict()
forced_use.freeze()
pkg_use_force = pkg_use_mask = ImmutableDict()
pkg_provided = system = profile_set = ((), ())
def pkg_use(self, data):
c = misc.ChunkedDataDict()
c.update_from_stream(
chain.from_iterable(self._parse_package_use(data).values()))
c.freeze()
return c