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# coding=utf-8
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2023 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
"""Utility stuff which is not directly related to the plugin domain itself."""""
import functools
import itertools
from typing import Any, Callable, Generator, Iterator, Iterable, TypeVar
from ._logs import logger
_T = TypeVar('_T')
# NOTE(vlebedev): Taken from https://docs.python.org/3/library/itertools.html#itertools.batched
# TODO(vlebedev): Remove once codebase is updated to Python >= 3.12
def batched(iterable: Iterable[_T], n: int) -> Iterator[tuple[_T, ...]]:
"""batched('ABCDEFG', 3) --> ABC DEF G
Batch data into tuples of length n. The last batch may be shorter."""
if n < 1:
raise ValueError('n must be at least one')
it = iter(iterable)
while batch := tuple(itertools.islice(it, n)):
yield batch
def repeast_last(upstream: Iterable[_T]) -> Iterator[_T]:
for item in upstream:
last = item
yield item
while True:
try:
yield last
except NameError:
return
def bootstrap_gen(func: Callable[..., Generator[Any, Any, Any]]):
@functools.wraps(func)
def wrapper(*args, **kwargs):
g = func(*args, **kwargs)
g.send(None)
return g
return wrapper
def log_exceptions(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
try:
return func(*args, **kwargs)
except Exception:
logger.exception('Function %s failed!', func.__name__)
raise
return wrapper
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