/usr/lib/python2.7/dist-packages/breadability/utils.py is in python-breadability 0.1.20-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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from __future__ import absolute_import
from __future__ import division, print_function, unicode_literals
import re
try:
from contextlib import ignored
except ImportError:
from contextlib import contextmanager
@contextmanager
def ignored(*exceptions):
try:
yield
except tuple(exceptions):
pass
MULTIPLE_WHITESPACE_PATTERN = re.compile(r"\s+", re.UNICODE)
def is_blank(text):
"""
Returns ``True`` if string contains only whitespace characters
or is empty. Otherwise ``False`` is returned.
"""
return not text or text.isspace()
def shrink_text(text):
return normalize_whitespace(text.strip())
def normalize_whitespace(text):
"""
Translates multiple whitespace into single space character.
If there is at least one new line character chunk is replaced
by single LF (Unix new line) character.
"""
return MULTIPLE_WHITESPACE_PATTERN.sub(_replace_whitespace, text)
def _replace_whitespace(match):
text = match.group()
if "\n" in text or "\r" in text:
return "\n"
else:
return " "
def cached_property(getter):
"""
Decorator that converts a method into memoized property.
The decorator works as expected only for classes with
attribute '__dict__' and immutable properties.
"""
def decorator(self):
key = "_cached_property_" + getter.__name__
if not hasattr(self, key):
setattr(self, key, getter(self))
return getattr(self, key)
decorator.__name__ = getter.__name__
decorator.__module__ = getter.__module__
decorator.__doc__ = getter.__doc__
return property(decorator)
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