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Add missing type hints to synapse.util (#9982)

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Patrick Cloke 2021-05-24 15:32:01 -04:00 • committed by GitHub
parent 22a8838f62
commit 7adcb20fc0
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9 changed files with 39 additions and 25 deletions
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11
synapse/util/iterutils.py
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@ -30,12 +30,12 @@ from typing import (
T = TypeVar("T")
def batch_iter(iterable: Iterable[T], size: int) -> Iterator[Tuple[T]]:
def batch_iter(iterable: Iterable[T], size: int) -> Iterator[Tuple[T, ...]]:
"""batch an iterable up into tuples with a maximum size
Args:
iterable (iterable): the iterable to slice
size (int): the maximum batch size
iterable: the iterable to slice
size: the maximum batch size
Returns:
an iterator over the chunks
@ -46,10 +46,7 @@ def batch_iter(iterable: Iterable[T], size: int) -> Iterator[Tuple[T]]:
return iter(lambda: tuple(islice(sourceiter, size)), ())
ISeq = TypeVar("ISeq", bound=Sequence, covariant=True)
def chunk_seq(iseq: ISeq, maxlen: int) -> Iterable[ISeq]:
def chunk_seq(iseq: Sequence[T], maxlen: int) -> Iterable[Sequence[T]]:
"""Split the given sequence into chunks of the given size
The last chunk may be shorter than the given size.