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