name : _multidict_base.py from collections.abc import ItemsView, Iterable, KeysView, Set, ValuesView def _abc_itemsview_register(view_cls): ItemsView.register(view_cls) def _abc_keysview_register(view_cls): KeysView.register(view_cls) def _abc_valuesview_register(view_cls): ValuesView.register(view_cls) def _viewbaseset_richcmp(view, other, op): if op == 0: # < if not isinstance(other, Set): return NotImplemented return len(view) < len(other) and view <= other elif op == 1: # <= if not isinstance(other, Set): return NotImplemented if len(view) > len(other): return False for elem in view: if elem not in other: return False return True elif op == 2: # == if not isinstance(other, Set): return NotImplemented return len(view) == len(other) and view <= other elif op == 3: # != return not view == other elif op == 4: # > if not isinstance(other, Set): return NotImplemented return len(view) > len(other) and view >= other elif op == 5: # >= if not isinstance(other, Set): return NotImplemented if len(view) < len(other): return False for elem in other: if elem not in view: return False return True def _viewbaseset_and(view, other): if not isinstance(other, Iterable): return NotImplemented if isinstance(view, Set): view = set(iter(view)) if isinstance(other, Set): other = set(iter(other)) if not isinstance(other, Set): other = set(iter(other)) return view & other def _viewbaseset_or(view, other): if not isinstance(other, Iterable): return NotImplemented if isinstance(view, Set): view = set(iter(view)) if isinstance(other, Set): other = set(iter(other)) if not isinstance(other, Set): other = set(iter(other)) return view | other def _viewbaseset_sub(view, other): if not isinstance(other, Iterable): return NotImplemented if isinstance(view, Set): view = set(iter(view)) if isinstance(other, Set): other = set(iter(other)) if not isinstance(other, Set): other = set(iter(other)) return view - other def _viewbaseset_xor(view, other): if not isinstance(other, Iterable): return NotImplemented if isinstance(view, Set): view = set(iter(view)) if isinstance(other, Set): other = set(iter(other)) if not isinstance(other, Set): other = set(iter(other)) return view ^ other def _itemsview_isdisjoint(view, other): "Return True if two sets have a null intersection." for v in other: if v in view: return False return True def _itemsview_repr(view): lst = [] for k, v in view: lst.append("{!r}: {!r}".format(k, v)) body = ", ".join(lst) return "{}({})".format(view.__class__.__name__, body) def _keysview_isdisjoint(view, other): "Return True if two sets have a null intersection." for k in other: if k in view: return False return True def _keysview_repr(view): lst = [] for k in view: lst.append("{!r}".format(k)) body = ", ".join(lst) return "{}({})".format(view.__class__.__name__, body) def _valuesview_repr(view): lst = [] for v in view: lst.append("{!r}".format(v)) body = ", ".join(lst) return "{}({})".format(view.__class__.__name__, body) def _mdrepr(md): lst = [] for k, v in md.items(): lst.append("'{}': {!r}".format(k, v)) body = ", ".join(lst) return "<{}({})>".format(md.__class__.__name__, body)