def generate_required_use(self):
if self.eapi.options.has_required_use:
data = self.data.pop("REQUIRED_USE", "")
if data:
operators = {
"||": boolean.OrRestriction,
"": boolean.AndRestriction,
"^^": boolean.JustOneRestriction
}
def _invalid_op(msg, *args):
raise metadata_errors.MetadataException(
self, 'eapi', f'REQUIRED_USE: {msg}')
if self.eapi.options.required_use_one_of:
operators['??'] = boolean.AtMostOneOfRestriction
else:
operators['??'] = partial(
_invalid_op,
f"EAPI '{self.eapi}' doesn't support '??' operator")
return conditionals.DepSet.parse(
data,
values.ContainmentMatch2,
operators=operators,
element_func=_mk_required_use_node)
return conditionals.DepSet()
def _render_atom(value, namespace, attr):
a = namespace.atom_kls(value)
if isinstance(a, atom.transitive_use_atom):
a.restrictions
# XXX bit of a hack.
a = conditionals.DepSet(a.restrictions, atom.atom, True)
a = a.evaluate_depset(getattr(namespace, 'use', ()))
a = AndRestriction(*a.restrictions)
setattr(namespace, attr, a)
def get_bdepend(self):
if "BDEPEND" in self.eapi.metadata_keys:
return generate_depset(atom, "BDEPEND", self)
return conditionals.DepSet()