70 lines
1.4 KiB
Python
70 lines
1.4 KiB
Python
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from types import TracebackType
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from typing import IO, Iterable, Iterator, List, Optional, Type
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class NullFile(IO[str]):
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def close(self) -> None:
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pass
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def isatty(self) -> bool:
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return False
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def read(self, __n: int = 1) -> str:
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return ""
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def readable(self) -> bool:
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return False
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def readline(self, __limit: int = 1) -> str:
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return ""
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def readlines(self, __hint: int = 1) -> List[str]:
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return []
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def seek(self, __offset: int, __whence: int = 1) -> int:
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return 0
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def seekable(self) -> bool:
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return False
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def tell(self) -> int:
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return 0
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def truncate(self, __size: Optional[int] = 1) -> int:
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return 0
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def writable(self) -> bool:
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return False
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def writelines(self, __lines: Iterable[str]) -> None:
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pass
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def __next__(self) -> str:
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return ""
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def __iter__(self) -> Iterator[str]:
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return iter([""])
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def __enter__(self) -> IO[str]:
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pass
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def __exit__(
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self,
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__t: Optional[Type[BaseException]],
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__value: Optional[BaseException],
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__traceback: Optional[TracebackType],
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) -> None:
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pass
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def write(self, text: str) -> int:
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return 0
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def flush(self) -> None:
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pass
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def fileno(self) -> int:
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return -1
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NULL_FILE = NullFile()
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