def calculate_mro(info: TypeInfo, obj_type: Optional[Callable[[], Instance]] = None) -> None:
"""Calculate and set mro (method resolution order).
Raise MroError if cannot determine mro.
"""
mro = linearize_hierarchy(info, obj_type)
assert mro, "Could not produce a MRO at all for %s" % (info,)
info.mro = mro
# The property of falling back to Any is inherited.
info.fallback_to_any = any(baseinfo.fallback_to_any for baseinfo in info.mro)
TypeState.reset_all_subtype_caches_for(info)
def calculate_mro(info: TypeInfo, obj_type: Optional[Callable[[], Instance]] = None) -> None:
"""Calculate and set mro (method resolution order).
Raise MroError if cannot determine mro.
"""
mro = linearize_hierarchy(info, obj_type)
assert mro, "Could not produce a MRO at all for %s" % (info,)
info.mro = mro
# The property of falling back to Any is inherited.
info.fallback_to_any = any(baseinfo.fallback_to_any for baseinfo in info.mro)
TypeState.reset_all_subtype_caches_for(info)
def fixup_and_reset_typeinfo(self, node: TypeInfo) -> TypeInfo:
"""Fix-up type info and reset subtype caches.
This needs to be called at least once per each merged TypeInfo, as otherwise we
may leak stale caches.
"""
if node in self.replacements:
# The subclass relationships may change, so reset all caches relevant to the
# old MRO.
new = cast(TypeInfo, self.replacements[node])
TypeState.reset_all_subtype_caches_for(new)
return self.fixup(node)
def fixup_and_reset_typeinfo(self, node: TypeInfo) -> TypeInfo:
"""Fix-up type info and reset subtype caches.
This needs to be called at least once per each merged TypeInfo, as otherwise we
may leak stale caches.
"""
if node in self.replacements:
# The subclass relationships may change, so reset all caches relevant to the
# old MRO.
new = cast(TypeInfo, self.replacements[node])
TypeState.reset_all_subtype_caches_for(new)
return self.fixup(node)