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-rw-r--r--python/fatcat_tools/importers/crossref.py272
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diff --git a/python/fatcat_tools/importers/crossref.py b/python/fatcat_tools/importers/crossref.py
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+
+import sys
+import json
+import sqlite3
+import datetime
+import itertools
+import fatcat_client
+from fatcat_tools.importers.common import FatcatImporter
+
+
+class FatcatCrossrefImporter(FatcatImporter):
+
+ def __init__(self, host_url, issn_map_file, extid_map_file=None, create_containers=True):
+ super().__init__(host_url, issn_map_file)
+ self.extid_map_db = None
+ if extid_map_file:
+ db_uri = "file:{}?mode=ro".format(extid_map_file)
+ print("Using external ID map: {}".format(db_uri))
+ self.extid_map_db = sqlite3.connect(db_uri, uri=True)
+ else:
+ print("Not using external ID map")
+ self.create_containers = create_containers
+
+ def lookup_ext_ids(self, doi):
+ if self.extid_map_db is None:
+ return dict(core_id=None, pmid=None, pmcid=None, wikidata_qid=None)
+ row = self.extid_map_db.execute("SELECT core, pmid, pmcid, wikidata FROM ids WHERE doi=? LIMIT 1",
+ [doi.lower()]).fetchone()
+ if row is None:
+ return dict(core_id=None, pmid=None, pmcid=None, wikidata_qid=None)
+ row = [str(cell or '') or None for cell in row]
+ return dict(
+ core_id=row[0],
+ pmid=row[1],
+ pmcid=row[2],
+ wikidata_qid=row[3])
+
+ def parse_crossref_dict(self, obj):
+ """
+ obj is a python dict (parsed from json).
+ returns a ReleaseEntity
+ """
+
+ # This work is out of scope if it doesn't have authors and a title
+ if (not 'author' in obj) or (not 'title' in obj):
+ return None
+
+ # Other ways to be out of scope (provisionally)
+ if (not 'type' in obj):
+ return None
+
+ # contribs
+ def do_contribs(obj_list, ctype):
+ contribs = []
+ for i, am in enumerate(obj_list):
+ creator_id = None
+ if 'ORCID' in am.keys():
+ creator_id = self.lookup_orcid(am['ORCID'].split('/')[-1])
+ # Sorry humans :(
+ if am.get('given') and am.get('family'):
+ raw_name = "{} {}".format(am['given'], am['family'])
+ elif am.get('family'):
+ raw_name = am['family']
+ else:
+ # TODO: defaults back to a pseudo-null value
+ raw_name = am.get('given', '<blank>')
+ extra = dict()
+ if ctype == "author":
+ index = i
+ else:
+ index = None
+ if am.get('affiliation'):
+ # note: affiliation => affiliations
+ extra['affiliations'] = am.get('affiliation')
+ if am.get('sequence') and am.get('sequence') != "additional":
+ extra['sequence'] = am.get('sequence')
+ if not extra:
+ extra = None
+ contribs.append(fatcat_client.ReleaseContrib(
+ creator_id=creator_id,
+ index=index,
+ raw_name=raw_name,
+ role=ctype,
+ extra=extra))
+ return contribs
+ contribs = do_contribs(obj['author'], "author")
+ contribs.extend(do_contribs(obj.get('editor', []), "editor"))
+ contribs.extend(do_contribs(obj.get('translator', []), "translator"))
+
+ # container
+ issn = obj.get('ISSN', [None])[0]
+ issnl = self.issn2issnl(issn)
+ container_id = None
+ if issnl:
+ container_id = self.lookup_issnl(issnl)
+ publisher = obj.get('publisher')
+
+ ce = None
+ if (container_id is None and self.create_containers and issnl != None
+ and obj.get('container-title') and len(obj['container-title']) > 0):
+ ce = fatcat_client.ContainerEntity(
+ issnl=issnl,
+ publisher=publisher,
+ name=obj['container-title'][0])
+
+ # references
+ refs = []
+ for i, rm in enumerate(obj.get('reference', [])):
+ try:
+ year = int(rm.get('year'))
+ # NOTE: will need to update/config in the future!
+ # NOTE: are there crossref works with year < 100?
+ if year > 2025 or year < 100:
+ year = None
+ except:
+ year = None
+ extra = rm.copy()
+ if rm.get('DOI'):
+ extra['doi'] = rm.get('DOI').lower()
+ key = rm.get('key')
+ if key and key.startswith(obj['DOI'].upper()):
+ key = key.replace(obj['DOI'].upper() + "-", '')
+ key = key.replace(obj['DOI'].upper(), '')
+ container_name = rm.get('volume-title')
+ if not container_name:
+ container_name = rm.get('journal-title')
+ extra.pop('DOI', None)
+ extra.pop('key', None)
+ extra.pop('year', None)
+ extra.pop('volume-name', None)
+ extra.pop('journal-title', None)
+ extra.pop('title', None)
+ extra.pop('first-page', None)
+ extra.pop('doi-asserted-by', None)
+ if extra:
+ extra = dict(crossref=extra)
+ else:
+ extra = None
+ refs.append(fatcat_client.ReleaseRef(
+ index=i,
+ # doing lookups would be a second import pass
+ target_release_id=None,
+ key=key,
+ year=year,
+ container_name=container_name,
+ title=rm.get('title'),
+ locator=rm.get('first-page'),
+ # TODO: just dump JSON somewhere here?
+ extra=extra))
+
+ # abstracts
+ abstracts = []
+ if obj.get('abstract') != None:
+ abstracts.append(fatcat_client.ReleaseEntityAbstracts(
+ mimetype="application/xml+jats",
+ content=obj.get('abstract')))
+
+ # extra fields
+ extra = dict()
+ for key in ('subject', 'type', 'license', 'alternative-id',
+ 'container-title', 'original-title', 'subtitle', 'archive',
+ 'funder', 'group-title'):
+ # TODO: unpack "container-title" array
+ val = obj.get(key)
+ if val:
+ extra[key] = val
+ if 'license' in extra and extra['license']:
+ for i in range(len(extra['license'])):
+ if 'start' in extra['license'][i]:
+ extra['license'][i]['start'] = extra['license'][i]['start']['date-time']
+ if len(obj['title']) > 1:
+ extra['other-titles'] = obj['title'][1:]
+ # TODO: this should be top-level
+ extra['is_kept'] = len(obj.get('archive', [])) > 0
+
+ # ISBN
+ isbn13 = None
+ for raw in obj.get('ISBN', []):
+ # TODO: convert if not ISBN-13 format
+ if len(raw) == 17:
+ isbn13 = raw
+ break
+
+ # release status
+ if obj['type'] in ('journal-article', 'conference-proceeding', 'book',
+ 'dissertation', 'book-chapter'):
+ release_status = "published"
+ else:
+ # unknown
+ release_status = None
+
+ # external identifiers
+ extids = self.lookup_ext_ids(doi=obj['DOI'].lower())
+
+ # TODO: filter out huge releases; we'll get them later (and fix bug in
+ # fatcatd)
+ if max(len(contribs), len(refs), len(abstracts)) > 750:
+ return None
+
+ # release date parsing is amazingly complex
+ release_date = obj['issued']['date-parts'][0]
+ if not release_date or not release_date[0]:
+ # got some NoneType, even though at least year is supposed to be set
+ release_date = None
+ elif len(release_date) == 3:
+ release_date = datetime.datetime(year=release_date[0], month=release_date[1], day=release_date[2])
+ else:
+ # only the year is actually required; mangle to first day for date
+ # (TODO: something better?)
+ release_date = datetime.datetime(year=release_date[0], month=1, day=1)
+ # convert to string ISO datetime format (if not null)
+ if release_date:
+ release_date = release_date.isoformat() + "Z"
+
+ re = fatcat_client.ReleaseEntity(
+ work_id=None,
+ title=obj['title'][0],
+ contribs=contribs,
+ refs=refs,
+ container_id=container_id,
+ publisher=publisher,
+ release_type=obj['type'],
+ release_status=release_status,
+ doi=obj['DOI'].lower(),
+ isbn13=isbn13,
+ core_id=extids['core_id'],
+ pmid=extids['pmid'],
+ pmcid=extids['pmcid'],
+ wikidata_qid=extids['wikidata_qid'],
+ release_date=release_date,
+ issue=obj.get('issue'),
+ volume=obj.get('volume'),
+ pages=obj.get('page'),
+ abstracts=abstracts,
+ extra=dict(crossref=extra))
+ return (re, ce)
+
+ def create_row(self, row, editgroup=None):
+ if row is None:
+ return
+ obj = json.loads(row)
+ entities = self.parse_crossref_dict(obj)
+ if entities is not None:
+ (re, ce) = entities
+ if ce is not None:
+ container = self.api.create_container(ce, editgroup=editgroup)
+ re.container_id = container.ident
+ self._issnl_id_map[ce.issnl] = container.ident
+ self.api.create_release(re, editgroup=editgroup)
+ self.insert_count = self.insert_count + 1
+
+ def create_batch(self, batch, editgroup=None):
+ """Current work/release pairing disallows batch creation of releases.
+ Could do batch work creation and then match against releases, but meh."""
+ release_batch = []
+ for row in batch:
+ if row is None:
+ continue
+ obj = json.loads(row)
+ entities = self.parse_crossref_dict(obj)
+ if entities is not None:
+ (re, ce) = entities
+ if ce is not None:
+ ce_eg = self.api.create_editgroup(
+ fatcat_client.Editgroup(editor_id='aaaaaaaaaaaabkvkaaaaaaaaae'))
+ container = self.api.create_container(ce, editgroup=ce_eg.id)
+ self.api.accept_editgroup(ce_eg.id)
+ re.container_id = container.ident
+ self._issnl_id_map[ce.issnl] = container.ident
+ release_batch.append(re)
+ self.api.create_release_batch(release_batch, autoaccept="true", editgroup=editgroup)
+ self.insert_count = self.insert_count + len(release_batch)