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-rw-r--r--python/fatcat_tools/importers/crossref.py93
1 files changed, 43 insertions, 50 deletions
diff --git a/python/fatcat_tools/importers/crossref.py b/python/fatcat_tools/importers/crossref.py
index cbb6deb5..75132901 100644
--- a/python/fatcat_tools/importers/crossref.py
+++ b/python/fatcat_tools/importers/crossref.py
@@ -114,25 +114,10 @@ class CrossrefImporter(EntityImporter):
return CONTAINER_TYPE_MAP.get(release_type)
def want(self, obj):
-
- # Ways to be out of scope (provisionally)
- # journal-issue and journal-volume map to None, but allowed for now
- if obj.get('type') in (None, 'journal', 'proceedings',
- 'standard-series', 'report-series', 'book-series', 'book-set',
- 'book-track', 'proceedings-series'):
- return False
-
- # Do require the 'title' keys to exsit, as release entities do
- if (not 'title' in obj) or (not obj['title']):
- return False
-
- # Can't handle such large lists yet
- authors = len(obj.get('author', []))
- abstracts = len(obj.get('abstract', []))
- refs = len(obj.get('reference', []))
- if max(authors, abstracts, refs) > 750:
+ if not obj.get('title'):
return False
+ # do most of these checks in-line below
return True
def parse_record(self, obj):
@@ -141,6 +126,17 @@ class CrossrefImporter(EntityImporter):
returns a ReleaseEntity
"""
+ # Ways to be out of scope (provisionally)
+ # journal-issue and journal-volume map to None, but allowed for now
+ if obj.get('type') in (None, 'journal', 'proceedings',
+ 'standard-series', 'report-series', 'book-series', 'book-set',
+ 'book-track', 'proceedings-series'):
+ return None
+
+ # Do require the 'title' keys to exsit, as release entities do
+ if (not 'title' in obj) or (not obj['title']):
+ return None
+
release_type = self.map_release_type(obj['type'])
# contribs
@@ -168,10 +164,10 @@ class CrossrefImporter(EntityImporter):
if len(am.get('affiliation')) > 0:
raw_affiliation = am.get('affiliation')[0]['name']
if len(am.get('affiliation')) > 1:
- # note: affiliation => affiliations
- extra['affiliations'] = [clean(a['name']) for a in am.get('affiliation')[1:]]
+ # note: affiliation => more_affiliations
+ extra['more_affiliations'] = [clean(a['name']) for a in am.get('affiliation')[1:]]
if am.get('sequence') and am.get('sequence') != "additional":
- extra['sequence'] = am.get('sequence')
+ extra['seq'] = clean(am.get('sequence'))
if not extra:
extra = None
assert ctype in ("author", "editor", "translator")
@@ -207,28 +203,28 @@ class CrossrefImporter(EntityImporter):
# license slug
license_slug = None
+ license_extra = []
for l in obj.get('license', []):
if l['content-version'] not in ('vor', 'unspecified'):
continue
slug = LICENSE_SLUG_MAP.get(l['URL'])
if slug:
license_slug = slug
- break
+ if 'start' in l:
+ l['start'] = l['start']['date-time']
+ license_extra.append(l)
# 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!
+ # TODO: 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() + "-", '')
@@ -236,18 +232,18 @@ class CrossrefImporter(EntityImporter):
container_name = rm.get('volume-title')
if not container_name:
container_name = rm.get('journal-title')
- ref_locator = rm.get('first-page')
- ref_title = rm.get('title')
- if extra.get('DOI'):
- extra['doi'] = extra['DOI']
- extra.pop('DOI', None)
- extra.pop('key', None)
- extra.pop('year', None)
- extra.pop('volume-title', None)
- extra.pop('journal-title', None)
- extra.pop('title', None)
- extra.pop('first-page', None)
- extra.pop('doi-asserted-by', None)
+ elif rm.get('journal-title'):
+ extra['journal-title'] = rm['journal-title']
+ extra = dict()
+ if rm.get('DOI'):
+ extra['doi'] = rm.get('DOI').lower()
+ # TODO: what fields here? CSL citation stuff
+ for k in ('authors', 'editor', 'edition', 'authority', 'version',
+ 'genre', 'url', 'event', 'issue', 'volume', 'date',
+ 'accessed_date', 'issued', 'page', 'medium',
+ 'collection_title', 'chapter_number'):
+ if clean(rm.get(k)):
+ extra[k] = clean(rm[k])
if extra:
extra = dict(crossref=extra)
else:
@@ -259,8 +255,8 @@ class CrossrefImporter(EntityImporter):
key=key,
year=clean(year),
container_name=clean(container_name),
- title=clean(ref_title),
- locator=clean(ref_locator),
+ title=clean(rm.get('title')),
+ locator=clean(rm.get('first-page')),
# TODO: just dump JSON somewhere here?
extra=extra))
@@ -273,24 +269,20 @@ class CrossrefImporter(EntityImporter):
# 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
+ for key in ('subject', 'type', 'alternative-id', 'container-title',
+ 'subtitle', 'archive', 'funder', 'group-title'):
+ # TODO: unpack "container-title" array?
val = obj.get(key)
if val:
if type(val) == str:
extra[key] = clean(val)
else:
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 license_extra:
+ extra['license'] = license_extra
+
if len(obj['title']) > 1:
extra['other-titles'] = [clean(t) for t in obj['title'][1:]]
- # TODO: this should be top-level
- extra['is_kept'] = len(obj.get('archive', [])) > 0
# ISBN
isbn13 = None
@@ -313,7 +305,8 @@ class CrossrefImporter(EntityImporter):
# TODO: filter out huge releases; we'll get them later (and fix bug in
# fatcatd)
- assert max(len(contribs), len(refs), len(abstracts)) <= 750
+ if max(len(contribs), len(refs), len(abstracts)) > 750:
+ return None
# release date parsing is amazingly complex
raw_date = obj['issued']['date-parts'][0]