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Diffstat (limited to 'python/fatcat_tools/importers/shadow.py')
| -rw-r--r-- | python/fatcat_tools/importers/shadow.py | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/python/fatcat_tools/importers/shadow.py b/python/fatcat_tools/importers/shadow.py new file mode 100644 index 00000000..4cd22775 --- /dev/null +++ b/python/fatcat_tools/importers/shadow.py @@ -0,0 +1,195 @@ + +import sys +import json +import sqlite3 +import itertools +import fatcat_openapi_client + +from fatcat_tools.normal import * +from .common import EntityImporter, make_rel_url, SANE_MAX_RELEASES, SANE_MAX_URLS + + +class ShadowLibraryImporter(EntityImporter): + """ + Importer for shadow library files (matched to releases) + + Input format is JSON with keys: + - shadow + - shadow_corpus (string slug) + - shadow_id (string) + - doi + - pmid + - isbn13 + - file_meta + - sha1hex + - sha256hex + - md5hex + - size_bytes + - mimetype + - cdx (may be null) + - url + - datetime + """ + + def __init__(self, api, **kwargs): + + eg_desc = kwargs.pop('editgroup_description', None) or "Import of 'Shadow Library' file/release matches" + eg_extra = kwargs.pop('editgroup_extra', dict()) + eg_extra['agent'] = eg_extra.get('agent', 'fatcat_tools.ShadowLibraryImporter') + super().__init__(api, + editgroup_description=eg_desc, + editgroup_extra=eg_extra, + **kwargs) + self.default_link_rel = kwargs.get("default_link_rel", "web") + + def want(self, raw_record): + """ + Only want to import records with complete file-level metadata + """ + fm = raw_record['file_meta'] + if not (fm['mimetype'] and fm['md5hex'] and fm['sha256hex'] and fm['size_bytes']): + self.counts['skip-file-meta-incomplete'] += 1 + return False + if fm['mimetype'] != 'application/pdf': + self.counts['skip-not-pdf'] += 1 + return False + return True + + def parse_record(self, obj): + """ + We do the release lookup in this method. Try DOI, then PMID, last ISBN13. + """ + + shadow_corpus = obj['shadow']['shadow_corpus'] + assert shadow_corpus == shadow_corpus.strip().lower() + doi = clean_doi(obj['shadow'].get('doi')) + pmid = clean_pmid(obj['shadow'].get('pmid')) + isbn13 = clean_isbn13(obj['shadow'].get('isbn13')) + shadow_id = obj['shadow'].get('shadow_id').strip() + assert shadow_id + + extra = { '{}_id'.format(shadow_corpus): shadow_id } + for (ext_type, ext_id) in [('doi', doi), ('pmid', pmid), ('isbn13', isbn13)]: + if not ext_id: + continue + extra['{}_{}'.format(shadow_corpus, ext_type)] = ext_id + + # lookup release via several idents + re = None + for (ext_type, ext_id) in [('doi', doi), ('pmid', pmid), ('isbn13', isbn13)]: + if not ext_id: + continue + try: + re = self.api.lookup_release(**{ext_type: ext_id}) + except fatcat_openapi_client.rest.ApiException as err: + if err.status not in (404, 400): + raise err + re = None + if re: + break + + if not re: + self.counts['skip-release-not-found'] += 1 + return None + + release_ids = [re.ident,] + + # parse single CDX into URLs (if exists) + urls = [] + if obj.get('cdx'): + url = make_rel_url(obj['cdx']['url'], default_link_rel=self.default_link_rel) + if url != None: + urls.append(url) + wayback = "https://web.archive.org/web/{}/{}".format( + obj['cdx']['datetime'], + obj['cdx']['url']) + urls.append(("webarchive", wayback)) + urls = [fatcat_openapi_client.FileUrl(rel=rel, url=url) for (rel, url) in urls] + + fe = fatcat_openapi_client.FileEntity( + md5=obj['file_meta']['md5hex'], + sha1=obj['file_meta']['sha1hex'], + sha256=obj['file_meta']['sha256hex'], + size=int(obj['file_meta']['size_bytes']), + mimetype=obj['file_meta']['mimetype'] or None, + release_ids=release_ids, + urls=urls, + extra=dict(shadows=extra), + ) + return fe + + def try_update(self, fe): + # lookup sha1, or create new entity + existing = None + try: + existing = self.api.lookup_file(sha1=fe.sha1) + except fatcat_openapi_client.rest.ApiException as err: + if err.status != 404: + raise err + + if not existing: + return True + + if not existing.extra: + existing.extra = {} + + if existing.extra.get('shadows') and list(fe.extra['shadows'].keys())[0] in existing.extra['shadows']: + # already imported from this shadow library; skip + self.counts['exists'] += 1 + return False + + # check for edit conflicts + if existing.ident in [e.ident for e in self._edits_inflight]: + self.counts['skip-update-inflight'] += 1 + return False + if fe.sha1 in [e.sha1 for e in self._edits_inflight]: + raise Exception("Inflight insert; shouldn't happen") + + # minimum viable "existing" URL cleanup to fix dupes and broken links: + # remove 'None' wayback URLs, and set archive.org rel 'archive' + existing.urls = [u for u in existing.urls if not ('://web.archive.org/web/None/' in u.url)] + for i in range(len(existing.urls)): + u = existing.urls[i] + if u.rel == 'repository' and '://archive.org/download/' in u.url: + existing.urls[i].rel = 'archive' + if u.rel == 'social': + u.rel = 'academicsocial' + + # merge the existing into this one and update + merged_urls = {} + for u in fe.urls + existing.urls: + merged_urls[u.url] = u + existing.urls = list(merged_urls.values()) + if not existing.extra.get('shadows'): + existing.extra['shadows'] = fe.extra['shadows'] + else: + existing.extra['shadows'].update(fe.extra['shadows']) + + # do these "plus ones" because we really want to do these updates when possible + if len(existing.urls) > SANE_MAX_URLS + 1: + self.counts['skip-update-too-many-url'] += 1 + return None + existing.release_ids = list(set(fe.release_ids + existing.release_ids)) + if len(existing.release_ids) > SANE_MAX_RELEASES + 1: + self.counts['skip-update-too-many-releases'] += 1 + return None + existing.mimetype = existing.mimetype or fe.mimetype + existing.size = existing.size or fe.size + existing.md5 = existing.md5 or fe.md5 + existing.sha1 = existing.sha1 or fe.sha1 + existing.sha256 = existing.sha256 or fe.sha256 + edit = self.api.update_file(self.get_editgroup_id(), existing.ident, existing) + # add sha1 to non-entity edit row, so we can do more aggressive + # group-level de-dupe + edit.sha1 = existing.sha1 + self._edits_inflight.append(edit) + self.counts['update'] += 1 + return False + + def insert_batch(self, batch): + self.api.create_file_auto_batch(fatcat_openapi_client.FileAutoBatch( + editgroup=fatcat_openapi_client.Editgroup( + description=self.editgroup_description, + extra=self.editgroup_extra), + entity_list=batch)) + |