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"""
Flask endpoints for reference (citation) endpoints. Eg, listing references
"inbound" and "outbound" from a specific release or work.
"""
import json
from flask import render_template, request, Response, jsonify
from fatcat_openapi_client import *
from fuzzycat.grobid_unstructured import grobid_api_process_citation, transform_grobid_ref_xml, grobid_ref_to_release
from fuzzycat.simple import close_fuzzy_biblio_matches, close_fuzzy_release_matches
from fatcat_tools.references import enrich_inbound_refs, enrich_outbound_refs, get_inbound_refs, get_outbound_refs, RefHits
from fatcat_tools.transforms.access import release_access_options
from fatcat_tools.transforms.entities import entity_to_dict
from fatcat_web import app, api
from fatcat_web.cors import crossdomain
from fatcat_web.forms import *
from fatcat_web.entity_helpers import *
def _refs_web(direction, release_ident=None, work_ident=None, openlibrary_id=None, wikipedia_article=None) -> RefHits:
offset = request.args.get('offset', '0')
offset = max(0, int(offset)) if offset.isnumeric() else 0
limit = request.args.get('limit', '30')
limit = min(max(0, int(limit)), 100) if limit.isnumeric() else 30
if direction == "in":
hits = get_inbound_refs(
release_ident=release_ident,
work_ident=work_ident,
openlibrary_work=openlibrary_id,
es_client=app.es_client,
offset=offset,
limit=limit,
)
hits.result_refs = enrich_inbound_refs(
hits.result_refs,
fatcat_api_client=api,
expand="container,files,webcaptures",
)
elif direction == "out":
hits = get_outbound_refs(
release_ident=release_ident,
wikipedia_article=wikipedia_article,
work_ident=work_ident,
es_client=app.es_client,
offset=offset,
limit=limit,
)
hits.result_refs = enrich_outbound_refs(
hits.result_refs,
fatcat_api_client=api,
expand="container,files,webcaptures",
)
else:
raise ValueError()
return hits
@app.route('/release/<string(length=26):ident>/refs-in', methods=['GET'])
def release_view_refs_inbound(ident):
if request.accept_mimetypes.best == "application/json":
return release_view_refs_inbound_json(ident)
release = generic_get_entity("release", ident)
hits = _refs_web("in", release_ident=ident)
return render_template('release_view_fuzzy_refs.html', direction="in", entity=release, hits=hits), 200
@app.route('/release/<string(length=26):ident>/refs-out', methods=['GET'])
def release_view_refs_outbound(ident):
if request.accept_mimetypes.best == "application/json":
return release_view_refs_outbound_json(ident)
release = generic_get_entity("release", ident)
hits = _refs_web("out", release_ident=ident)
return render_template('release_view_fuzzy_refs.html', direction="out", entity=release, hits=hits), 200
@app.route('/openlibrary/OL<int:id_num>W/refs-in', methods=['GET'])
def openlibrary_view_refs_inbound(id_num):
if request.accept_mimetypes.best == "application/json":
return openlibrary_view_refs_inbound_json(id_num)
openlibrary_id = f"OL{id_num}W"
hits = _refs_web("in", openlibrary_id=openlibrary_id)
return render_template('openlibrary_view_fuzzy_refs.html', openlibrary_id=openlibrary_id, direction="in", hits=hits), 200
@app.route('/wikipedia/<string(length=2):wiki_lang>:<string:wiki_article>/refs-out', methods=['GET'])
def wikipedia_view_refs_outbound(wiki_lang: str, wiki_article: str):
if request.accept_mimetypes.best == "application/json":
return wikipedia_view_refs_outbound_json(wiki_lang, wiki_article)
wiki_url = f"https://{wiki_lang}.wikipedia.org/wiki/{wiki_article}"
wiki_article = wiki_article.replace('_', ' ')
wikipedia_article = wiki_lang + ":" + wiki_article
hits = _refs_web("out", wikipedia_article=wikipedia_article)
return render_template('wikipedia_view_fuzzy_refs.html', wiki_article=wiki_article, wiki_lang=wiki_lang, wiki_url=wiki_url, direction="out", hits=hits), 200
@app.route('/reference/match', methods=['GET', 'POST'])
def reference_match():
grobid_status = None
grobid_dict = None
form = ReferenceMatchForm()
if not form.is_submitted() and request.args.get('submit_type'):
form = ReferenceMatchForm(request.args)
if form.is_submitted() or request.args.get('title'):
if form.validate():
if form.submit_type.data == 'parse':
resp_xml = grobid_api_process_citation(form.raw_citation.data)
if not resp_xml:
grobid_status = "failed"
return render_template('reference_match.html', form=form, grobid_status=grobid_status), 400
grobid_dict = transform_grobid_ref_xml(resp_xml)
if not grobid_dict:
grobid_status = "empty"
return render_template('reference_match.html', form=form, grobid_status=grobid_status), 200
#print(grobid_dict)
release_stub = grobid_ref_to_release(grobid_dict)
# remove empty values from GROBID parsed dict
grobid_dict = {k: v for k, v in grobid_dict.items() if v is not None}
form = ReferenceMatchForm.from_grobid_parse(grobid_dict, form.raw_citation.data)
grobid_status = "success"
matches = close_fuzzy_release_matches(es_client=app.es_client, release=release_stub, match_limit=10) or []
elif form.submit_type.data == 'match':
matches = close_fuzzy_biblio_matches(es_client=app.es_client, biblio=form.data, match_limit=10) or []
else:
raise NotImplementedError()
for m in matches:
# expand releases more completely
m.release = api.get_release(m.release.ident, expand="container,files,filesets,webcaptures", hide="abstract,refs")
# hack in access options
m.access_options = release_access_options(m.release)
return render_template('reference_match.html', form=form, grobid_dict=grobid_dict, grobid_status=grobid_status, matches=matches), 200
elif form.errors:
return render_template('reference_match.html', form=form), 400
return render_template('reference_match.html', form=form), 200
### Pseudo-APIs #############################################################
@app.route('/release/<string(length=26):ident>/refs-out.json', methods=['GET', 'OPTIONS'])
@crossdomain(origin='*',headers=['access-control-allow-origin','Content-Type'])
def release_view_refs_outbound_json(ident):
hits = _refs_web("out", release_ident=ident)
return Response(hits.json(exclude_unset=True), mimetype="application/json")
@app.route('/release/<string(length=26):ident>/refs-in.json', methods=['GET', 'OPTIONS'])
@crossdomain(origin='*',headers=['access-control-allow-origin','Content-Type'])
def release_view_refs_inbound_json(ident):
hits = _refs_web("in", release_ident=ident)
return Response(hits.json(exclude_unset=True), mimetype="application/json")
@app.route('/openlibrary/OL<int:id_num>W/refs-in.json', methods=['GET', 'OPTIONS'])
@crossdomain(origin='*',headers=['access-control-allow-origin','Content-Type'])
def openlibrary_view_refs_inbound_json(id_num):
openlibrary_id = f"OL{id_num}W"
hits = _refs_web("in", openlibrary_id=openlibrary_id)
return Response(hits.json(exclude_unset=True), mimetype="application/json")
@app.route('/wikipedia/<string(length=2):wiki_lang>:<string:wiki_article>/refs-out.json', methods=['GET', 'OPTIONS'])
@crossdomain(origin='*',headers=['access-control-allow-origin','Content-Type'])
def wikipedia_view_refs_outbound_json(wiki_lang: str, wiki_article: str):
wiki_article = wiki_article.replace('_', ' ')
wikipedia_article = wiki_lang + ":" + wiki_article
hits = _refs_web("out", wikipedia_article=wikipedia_article)
return Response(hits.json(exclude_unset=True), mimetype="application/json")
@app.route('/reference/match.json', methods=['GET', 'OPTIONS'])
@crossdomain(origin='*',headers=['access-control-allow-origin','Content-Type'])
def reference_match_json():
form = ReferenceMatchForm(request.args)
if form.validate():
if form.submit_type.data == 'match':
matches = close_fuzzy_biblio_matches(es_client=app.es_client, biblio=form.data, match_limit=10) or []
else:
raise NotImplementedError()
resp = []
for m in matches:
# expand releases more completely
m.release = api.get_release(m.release.ident, expand="container,files,filesets,webcaptures", hide="abstract,refs")
# hack in access options
m.access_options = release_access_options(m.release)
# and manually convert to dict (for jsonify)
info = m.__dict__
info['release'] = entity_to_dict(m.release)
info['access_options'] = [o.dict() for o in m.access_options]
resp.append(info)
return jsonify(resp), 200
else:
return Response(json.dumps(dict(errors=form.errors)), mimetype="application/json", status=400)
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