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from collections.abc import Iterator
# port from https://github.com/sphinx-doc/sphinx/blob/ad41e0b/sphinx/util/tags.py
class Tags:
def __init__(self, tags: list[str] = None) -> None:
self.tags = dict.fromkeys(tags or [], True)
def has(self, tag: str) -> bool:
return tag in self.tags
__contains__ = has
def __iter__(self) -> Iterator[str]:
return iter(self.tags)
def add(self, tag: str) -> None:
self.tags[tag] = True
def remove(self, tag: str) -> None:
self.tags.pop(tag, None)
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