builtins: Audit bytes arguments by JelleZijlstra · Pull Request #7631 · python/typeshed
| def __new__(cls: type[Self], __x: str | bytes | SupportsInt | SupportsIndex | SupportsTrunc = ...) -> Self: ... | ||
| def __new__(cls: type[Self], __x: str | ReadableBuffer | SupportsInt | SupportsIndex | SupportsTrunc = ...) -> Self: ... | ||
| @overload | ||
| def __new__(cls: type[Self], __x: str | bytes | bytearray, base: SupportsIndex) -> Self: ... |
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>>> int(memoryview(b"0xdeadbeef"), 16)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: int() can't convert non-string with explicit base
>>> int(memoryview(b"123"))
123
Showing that the first overload accepts buffers but the second doesn't.
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| def from_bytes( | ||
| cls: type[Self], | ||
| bytes: Iterable[SupportsIndex] | SupportsBytes, # TODO buffer object argument | ||
| bytes: Iterable[SupportsIndex] | SupportsBytes | ReadableBuffer, |
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>>> int.from_bytes([1, 2, 3])
66051
>>> int.from_bytes(memoryview(b"123"))
3224115
| self, __sub: ReadableBuffer | SupportsIndex, __start: SupportsIndex | None = ..., __end: SupportsIndex | None = ... | ||
| ) -> int: ... | ||
| if sys.version_info >= (3, 8): | ||
| def hex(self, sep: str | bytes = ..., bytes_per_sep: SupportsIndex = ...) -> str: ... |
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>>> b"xy".hex(memoryview(b"x"))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: sep must be str or bytes.
>>> b"xy".hex(bytearray(b"x"))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: sep must be str or bytes.
| @overload | ||
| def __getitem__(self, __s: slice) -> bytes: ... | ||
| def __add__(self, __s: bytes) -> bytes: ... | ||
| def __add__(self, __s: ReadableBuffer) -> bytes: ... |
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>>> b"x" + memoryview(b"y")
b'xy'
| def __setitem__(self, __s: slice, __x: Iterable[SupportsIndex] | bytes) -> None: ... | ||
| def __delitem__(self, __i: SupportsIndex | slice) -> None: ... | ||
| def __add__(self, __s: bytes) -> bytearray: ... | ||
| def __iadd__(self: Self, __s: Iterable[int]) -> Self: ... |
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This was wrong; ba += [1, 2, 3] fails
| opener: _Opener | None = ..., | ||
| ) -> IO[Any]: ... | ||
| def ord(__c: str | bytes) -> int: ... | ||
| def ord(__c: str | bytes | bytearray) -> int: ... |
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>>> ord(memoryview(b"x"))
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: ord() expected string of length 1, but memoryview found