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//proc/thread-self/root/opt/cloudlinux/venv/lib/python3.11/site-packages/pydocstyle/utils.py

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"""General shared utilities."""
import logging
import re
from itertools import tee, zip_longest
from typing import Any, Iterable, Tuple

# Do not update the version manually - it is managed by `bumpversion`.
log = logging.getLogger(__name__)

#: Regular expression for stripping non-alphanumeric characters
NON_ALPHANUMERIC_STRIP_RE = re.compile(r'[\W_]+')

def is_blank(string: str) -> bool:
    """Return True iff the string contains only whitespaces."""
    return not string.strip()

def pairwise(
    iterable: Iterable,
    default_value: Any,
) -> Iterable[Tuple[Any, Any]]:
    """Return pairs of items from `iterable`.

pairwise([1, 2, 3], default_value=None) -> (1, 2) (2, 3), (3, None)
    """
    a, b = tee(iterable)
    _ = next(b, default_value)
    return zip_longest(a, b, fillvalue=default_value)

def common_prefix_length(a: str, b: str) -> int:
    """Return the length of the longest common prefix of a and b.

>>> common_prefix_length('abcd', 'abce')
    3

"""
    for common, (ca, cb) in enumerate(zip(a, b)):
        if ca != cb:
            return common
    return min(len(a), len(b))

def strip_non_alphanumeric(string: str) -> str:
    """Strip string from any non-alphanumeric characters."""
    return NON_ALPHANUMERIC_STRIP_RE.sub('', string)

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Name	Size	Perms	Modified	Actions
data DIR	-	drwxr-xr-x	2026-02-06 08:01:08	Edit Download recursive recursive
__pycache__ DIR	-	drwxr-xr-x	2026-02-06 08:01:08	Edit Download recursive recursive
checker.py	43.83 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
cli.py	2.92 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
config.py	32.70 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
parser.py	27.63 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
utils.py	1.26 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
violations.py	12.12 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
wordlists.py	1.51 KB	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
_version.py	400 B	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
__init__.py	194 B	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive
__main__.py	288 B	lrw-r--r--	2026-01-20 13:01:47	Edit Download recursive recursive

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