lektor-citation/lektor_citation.py

83 lines
2.8 KiB
Python

# -*- coding: utf-8 -*-
import os
from pylatexenc.latex2text import LatexNodes2Text
from pybtex.database import parse_file
from lektor.pluginsystem import Plugin
class CitationPlugin(Plugin):
name = 'lektor-citation'
description = u'This Plugin should extend lektor with APA-style citations using bibtex files. It is based on the known lektor-bibtex-support plugin by arunpersaud.'
def __init__(self, env, id):
super().__init__(env, id)
config = self.get_config()
self.bibfile = config.get('Bibtex.file', []).strip()
self.bib_data = parse_file(os.path.join(env.root_path, 'assets', self.bibfile))
def citation_entries(self):
return self.bib_data.entries
def citation_entry(self, id):
return self.bib_data.entries[id]
def citation_short_output(self, id, link="?"):
e = self.citation_entry(id)
link = link+"#"+id
authors = ""
lAuthor = e.persons['author']
n = 1
for author in lAuthor:
if len(author.prelast_names) > 0:
authors += str(author.prelast_names)
authors += str(author.last_names[0])
if len(lAuthor) > 1:
if n == (len(lAuthor) - 1):
authors += " \& "
elif n < (len(lAuthor) -1):
authors += ", "
n = n + 1
year = e.fields['year']
edition = ""
if 'edition' in e.fields.keys():
edition = " ({ed}. Aufl.)".format(ed = edition)
else:
edition = ""
if 'publisher' in e.fields.keys():
publisher = e.fields['publisher']
if 'address' in e.fields.keys():
location = e.fields['address']
publisher = " {location}:{publisher}.".format(location = location, publisher = publisher)
elif publisher:
publisher = " {publisher}.".format(publisher = publisher)
else:
publisher = ""
output = '<li id="{eid}"><a href="{link}" class="litref">{authors} ({pubYear}).</a> <em>{title}</em>{edition}. {publisher}'.format(eid = id, link = link, authors = authors, pubYear = year, title = e.fields['title'], edition = edition, publisher = publisher)
return output
def on_setup_env(self, **extra):
def decode_filter(value):
return LatexNodes2Text().latex_to_text(value)
self.env.jinja_env.globals['citation_entries'] = self.citation_entries
self.env.jinja_env.globals['citation_entry'] = self.citation_entry
self.env.jinja_env.globals['citation_short_output'] = self.citation_short_output
self.env.jinja_env.filters['decode'] = decode_filter