ansible-later/env_27/lib/python2.7/site-packages/pydocstyle/utils.py

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2019-04-11 13:56:20 +00:00
"""General shared utilities."""
import logging
from itertools import tee
try:
from itertools import zip_longest
except ImportError:
from itertools import izip_longest as zip_longest
# Do not update the version manually - it is managed by `bumpversion`.
__version__ = '3.0.0'
log = logging.getLogger(__name__)
def is_blank(string):
"""Return True iff the string contains only whitespaces."""
return not string.strip()
def pairwise(iterable, default_value):
"""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)