/usr/lib/python2.7/dist-packages/pybtex/textutils.py is in pybtex 0.18-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import re
terminators = '.?!'
delimiter_re = re.compile(r'([\s\-])')
whitespace_re = re.compile(r'\s+')
def capfirst(s):
return s[0].upper() + s[1:] if s else s
def is_terminated(s):
"""Return true if s ends with a terminating character.
"""
return (bool(s) and s[-1] in terminators)
def add_period(s):
"""Add a period to the end of s, if there is none yet.
"""
if s and not is_terminated(s):
return s + '.'
return s
def abbreviate(s, split=delimiter_re.split):
"""Abbreviate some text.
>> abbreviate('Name')
'N'
>> abbreviate('Some words')
'S. w.'
>>> abbreviate('First-Second')
'F.-S.'
"""
def split(string):
return delimiter_re.split(string)
def abbreviate(part):
if part.isalpha():
return part[0] + '.'
else:
return part
return ''.join(abbreviate(part) for part in split(s))
def normalize_whitespace(string):
r"""
Replace every sequence of whitespace characters with a single space.
>>> print normalize_whitespace('abc')
abc
>>> print normalize_whitespace('Abc def.')
Abc def.
>>> print normalize_whitespace(' Abc def.')
Abc def.
>>> print normalize_whitespace('Abc\ndef.')
Abc def.
>>> print normalize_whitespace('Abc\r\ndef.')
Abc def.
>>> print normalize_whitespace('Abc \r\n\tdef.')
Abc def.
>>> print normalize_whitespace(' \nAbc\r\ndef.')
Abc def.
"""
return whitespace_re.sub(' ', string.strip())
def width(string):
r"""
Get the width of the typeset string, in relative units. Similar to
BibTeX's width$, but does not care about any "special characters".
>>> width('')
0
>>> width('abc')
1500
>>> width('ab{c}')
2500
>>> width(r"ab{\'c}")
3278
>>> width(r"ab{\'c{}}")
4278
>>> width(r"ab{\'c{}")
3778
>>> width(r"ab{\'c{d}}")
4834
"""
from pybtex.charwidths import charwidths
return sum(charwidths.get(char, 0) for char in string)
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