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24 lines
739 B
Python
24 lines
739 B
Python
import errno
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import xattr
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_cached_attributes: dict[tuple, bytes | None] = {}
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def getxattr(path: str, attr_name: str) -> bytes | None:
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key = (path, attr_name)
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if key not in _cached_attributes:
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try:
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response = xattr.getxattr(path, attr_name)
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except OSError as e:
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# ENODATA (Linux) or ENOATTR (macOS) means attribute hasn't been set
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if e.errno == errno.ENODATA or (hasattr(errno, 'ENOATTR') and e.errno == errno.ENOATTR):
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response = None
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else:
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raise
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_cached_attributes[key] = response
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return _cached_attributes[key]
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def setxattr(path: str, attr_name: str, attr_value: bytes) -> None:
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_cached_attributes.pop((path, attr_name), None)
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xattr.setxattr(path, attr_name, attr_value)
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