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###############################################################################
#
# Purpose: Configure custom bibliography style for sphinxcontrib-bibtex
# Author: Mike Toews <mwtoews at gmail.com>
#
###############################################################################
# Copyright (c) 2018, Mike Toews <mwtoews at gmail.com>
#
# 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
from pybtex.style.formatting.unsrt import Style as UnsrtStyle
from pybtex.style.labels.alpha import LabelStyle
from pybtex.plugin import register_plugin
class LinkLabelStyle(LabelStyle):
"""Citation label used in text, and before each item in the
References section"""
re_char_nums = re.compile(r'^[\d\w]+$')
def format_label(self, entry):
"""Returns BibTeX key for label
Raises KeyError if BibTeX key has other characters other than letters
and numbers.
"""
label = entry.key
if not self.re_char_nums.match(label):
raise KeyError(
'BibTeX key must contain only letters and numbers '
'(found {0!r})'.format(label))
return label
class CustomStyle(UnsrtStyle):
"""Citation style in the References section"""
default_label_style = 'linklabel'
default_name_style = 'lastfirst'
default_sorting_style = 'author_year_title'
# TODO: Make more Harvard-like, i.e. year after name(s)
register_plugin('pybtex.style.labels', 'linklabel', LinkLabelStyle)
register_plugin('pybtex.style.formatting', 'customstyle', CustomStyle)
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