""" 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//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//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/OLW/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/:/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//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//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/OLW/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/:/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() 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 convert to dict (for jsonify) m.release = entity_to_dict(m.release) return jsonify(matches), 200 else: return Response(json.dumps(dict(errors=form.errors)), mimetype="application/json", status=400)