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import json
from citeproc import (
Citation,
CitationItem,
CitationStylesBibliography,
CitationStylesStyle,
formatter,
)
from citeproc.source.json import CiteProcJSON
from citeproc_styles import get_style_filepath
def contribs_by_role(contribs, role):
ret = [c.copy() for c in contribs if c["role"] == role]
[c.pop("role") for c in ret]
# TODO: some note to self here
[c.pop("literal") for c in ret if "literal" in c]
if not ret:
return None
else:
return ret
def release_to_csl(entity):
"""
Returns a python dict which can be json.dumps() to get a CSL-JSON (aka,
citeproc-JSON, aka Citation Style Language JSON)
This function will likely become an API method/endpoint
Follows, but not enforced by: https://github.com/citation-style-language/schema/blob/master/csl-data.json
"""
contribs = []
for contrib in entity.contribs or []:
if contrib.creator:
# Default to "local" (publication-specific) metadata; fall back to
# creator-level
family = (
contrib.creator.surname
or contrib.surname
or (contrib.raw_name and contrib.raw_name.split()[-1])
)
if not family:
# CSL requires some surname (family name)
continue
c = dict(
family=family,
given=contrib.creator.given_name or contrib.given_name,
# dropping-particle
# non-dropping-particle
# suffix
# comma-suffix
# static-ordering
literal=contrib.creator.display_name or contrib.raw_name,
# parse-names,
# role must be defined; default to author
role=contrib.role or "author",
)
else:
family = contrib.surname or (contrib.raw_name and contrib.raw_name.split()[-1])
if not family:
# CSL requires some surname (family name)
continue
c = dict(
family=family,
given=contrib.given_name,
literal=contrib.raw_name,
# role must be defined; default to author
role=contrib.role or "author",
)
for k in list(c.keys()):
if not c[k]:
c.pop(k)
contribs.append(c)
if not contribs:
raise ValueError("citeproc requires at least one author with a surname")
abstract = None
if entity.abstracts:
abstract = entity.abstracts[0].content
issued_date = None
if entity.release_date:
issued_date = {
"date-parts": [
[
entity.release_date.year,
entity.release_date.month,
entity.release_date.day,
]
]
}
elif entity.release_year:
issued_date = {"date-parts": [[entity.release_year]]}
csl = dict(
# id,
# categories
type=entity.release_type or "article", # can't be blank
language=entity.language,
# journalAbbreviation
# shortTitle
## see below for all contrib roles
# accessed
# container
# event-date
issued=issued_date,
# original-date
# submitted
abstract=abstract,
# annote
# archive
# archive_location
# archive-place
# authority
# call-number
# chapter-number
# citation-number
# citation-label
# collection-number
# collection-title
container_title=entity.container and entity.container.name,
# container-title-short
# dimensions
DOI=entity.ext_ids.doi,
# edition
# event
# event-place
# first-reference-note-number
# genre
ISBN=entity.ext_ids.isbn13,
ISSN=entity.container and entity.container.issnl,
issue=entity.issue,
# jurisdiction
# keyword
# locator
# medium
# note
# number
# number-of-pages
# number-of-volumes
# original-publisher
# original-publisher-place
# original-title
# TODO: page=entity.pages,
page_first=entity.pages and entity.pages.split("-")[0],
PMCID=entity.ext_ids.pmcid,
PMID=entity.ext_ids.pmid,
publisher=(entity.container and entity.container.publisher) or entity.publisher,
# publisher-place
# references
# reviewed-title
# scale
# section
# source
# status
title=entity.title,
# title-short
# URL
# version
volume=entity.volume,
# year-suffix
)
for role in [
"author",
"collection-editor",
"composer",
"container-author",
"director",
"editor",
"editorial-director",
"interviewer",
"illustrator",
"original-author",
"recipient",
"reviewed-author",
"translator",
]:
cbr = contribs_by_role(contribs, role)
if cbr:
csl[role] = cbr
# underline-to-dash
csl["container-title"] = csl.pop("container_title")
csl["page-first"] = csl.pop("page_first")
empty_keys = [k for k, v in csl.items() if not v]
for k in empty_keys:
csl.pop(k)
return csl
def refs_to_csl(entity):
ret = []
for ref in entity.refs:
if ref.release_id and False:
# TODO: fetch full entity from API and convert with release_to_csl
raise NotImplementedError
else:
issued_date = None
if ref.year:
issued_date = [[ref.year]]
csl = dict(
title=ref.title,
issued=issued_date,
)
csl["id"] = (ref.key or ref.index,) # zero- or one-indexed?
ret.append(csl)
return ret
def citeproc_csl(csl_json, style, html=False):
"""
Renders a release entity to a styled citation.
Notable styles include:
- 'csl-json': special case to JSON encode the structured CSL object (via
release_to_csl())
- bibtext: multi-line bibtext format (used with LaTeX)
Returns a string; if the html flag is set, and the style isn't 'csl-json'
or 'bibtex', it will be HTML. Otherwise plain text.
"""
if not csl_json.get("id"):
csl_json["id"] = "unknown"
if style == "csl-json":
return json.dumps(csl_json)
bib_src = CiteProcJSON([csl_json])
form = formatter.plain
if html:
form = formatter.html
style_path = get_style_filepath(style)
bib_style = CitationStylesStyle(style_path, validate=False)
bib = CitationStylesBibliography(bib_style, bib_src, form)
bib.register(Citation([CitationItem(csl_json["id"])]))
lines = bib.bibliography()[0]
if style == "bibtex":
out = ""
for line in lines:
if line.startswith(" @"):
out += "@"
elif line.startswith(" "):
out += "\n " + line
else:
out += line
return "".join(out)
else:
return "".join(lines)
|
