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"""Types for mypy type-checking"""
import io
import sys
from collections.abc import Iterable, Sequence
from typing import IO, TYPE_CHECKING, Any, NewType, Union
if sys.version_info >= (3, 10):
from typing import TypeAlias
else:
from typing_extensions import TypeAlias
if sys.version_info >= (3, 12):
from typing import TypedDict
else:
from typing_extensions import TypedDict
if TYPE_CHECKING:
import os
import struct
class _CanFilterBase(TypedDict):
can_id: int
can_mask: int
class CanFilter(_CanFilterBase, total=False):
extended: bool
CanFilters = Sequence[CanFilter]
# TODO: Once buffer protocol support lands in typing, we should switch to that,
# since can.message.Message attempts to call bytearray() on the given data, so
# this should have the same typing info.
#
# See: https://github.com/python/typing/issues/593
CanData = Union[bytes, bytearray, int, Iterable[int]]
# Used for the Abstract Base Class
ChannelStr = str
ChannelInt = int
Channel = Union[ChannelInt, ChannelStr, Sequence[ChannelInt]]
# Used by the IO module
FileLike = Union[IO[Any], io.TextIOWrapper, io.BufferedIOBase]
StringPathLike = Union[str, "os.PathLike[str]"]
BusConfig = NewType("BusConfig", dict[str, Any])
# Used by CLI scripts
TAdditionalCliArgs: TypeAlias = dict[str, Union[str, int, float, bool]]
TDataStructs: TypeAlias = dict[
Union[int, tuple[int, ...]],
"Union[struct.Struct, tuple[struct.Struct, *tuple[float, ...]]]",
]
class AutoDetectedConfig(TypedDict):
interface: str
channel: Channel
ReadableBytesLike = Union[bytes, bytearray, memoryview]
class BitTimingDict(TypedDict):
f_clock: int
brp: int
tseg1: int
tseg2: int
sjw: int
nof_samples: int
class BitTimingFdDict(TypedDict):
f_clock: int
nom_brp: int
nom_tseg1: int
nom_tseg2: int
nom_sjw: int
data_brp: int
data_tseg1: int
data_tseg2: int
data_sjw: int
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