from guppy.sets.setsc import BitSet # base bitset type from guppy.sets.setsc import ImmBitSet # immutable bitset type from guppy.sets.setsc import immbit # immutable bitset singleton constructor from guppy.sets.setsc import immbitrange # immutable bitset range constructor from guppy.sets.setsc import immbitset # immutable bitset constructor from guppy.sets.setsc import MutBitSet # mutable bitset from guppy.sets.setsc import NodeSet # base nodeset type from guppy.sets.setsc import ImmNodeSet # immmutable nodeset type from guppy.sets.setsc import MutNodeSet # mutable nodeset type from .setsc import _bs _bs.__module__ = 'guppy.sets' # ..to be able to set it. # Define some constructors. # Constructor names are lower case. # Some constructors are equal to types. # But this connection depends on the implementation. # So one may wish the user to not depend on this. mutbitset = MutBitSet immnodeset = ImmNodeSet mutnodeset = MutNodeSet def mutnodeset_union(iterable): "Return a mutable nodeset which is the union of all nodesets in iterable." set = mutnodeset() for it in iterable: set |= it return set def immnodeset_union(iterable, *args): "Return an immmutable nodeset which is the union of all nodesets in iterable." set = mutnodeset_union(iterable) return immnodeset(set, *args) # Make attributes assignable by reading one; # this is getting around a bug in Python 2.3.3 # and should be harmless in any version. try: mutnodeset()._hiding_tag_ except AttributeError: pass