diff options
Diffstat (limited to 'python/scripts')
-rwxr-xr-x | python/scripts/oai2ingestrequest.py | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/python/scripts/oai2ingestrequest.py b/python/scripts/oai2ingestrequest.py new file mode 100755 index 0000000..916f41c --- /dev/null +++ b/python/scripts/oai2ingestrequest.py @@ -0,0 +1,137 @@ +#!/usr/bin/env python3 + +""" +Transform an OAI-PMH bulk dump (JSON) into ingest requests. + +Eg: https://archive.org/details/oai_harvest_20200215 +""" + +import sys +import json +import argparse +import urlcanon + +DOMAIN_BLOCKLIST = [ + # large OA publishers (we get via DOI) + + # large repos and aggregators (we crawl directly) + "://arxiv.org/", + "://europepmc.org/", + "ncbi.nlm.nih.gov/", + "semanticscholar.org/", + "://doi.org/", + "://dx.doi.org/", + "zenodo.org/", + "figshare.com/", + "://archive.org/", + ".archive.org/", + "://127.0.0.1/", + + # OAI specific additions + "://hdl.handle.net/", +] + +RELEASE_STAGE_MAP = { + 'info:eu-repo/semantics/draftVersion': 'draft', + 'info:eu-repo/semantics/submittedVersion': 'submitted', + 'info:eu-repo/semantics/acceptedVersion': 'accepted', + 'info:eu-repo/semantics/publishedVersion': 'published', + 'info:eu-repo/semantics/updatedVersion': 'updated', +} + +def canon(s): + parsed = urlcanon.parse_url(s) + return str(urlcanon.whatwg(parsed)) + +def transform(obj): + """ + Transforms from a single OAI-PMH object to zero or more ingest requests. + Returns a list of dicts. + """ + + requests = [] + if not obj.get('oai') or not obj['oai'].startswith('oai:'): + return [] + if not obj.get('urls'): + return [] + + # look in obj['formats'] for PDF? + if obj.get('formats'): + # if there is a list of formats, and it does not contain PDF, then + # skip. Note that we will continue if there is no formats list. + has_pdf = False + for f in obj['formats']: + if 'pdf' in f.lower(): + has_pdf = True + if not has_pdf: + return [] + + doi = None + if obj.get('doi'): + doi = obj['doi'][0].lower().strip() + if not doi.startswith('10.'): + doi = None + + # infer release stage and/or type from obj['types'] + release_stage = None + for t in obj.get('types', []): + if t in RELEASE_STAGE_MAP: + release_stage = RELEASE_STAGE_MAP[t] + + # TODO: infer rel somehow? Eg, repository vs. OJS publisher + rel = None + + for url in obj['urls']: + skip = False + for domain in DOMAIN_BLOCKLIST: + if domain in url: + skip = True + if skip: + continue + try: + base_url = canon(url) + except UnicodeEncodeError: + continue + + request = { + 'base_url': base_url, + 'ingest_type': 'pdf', + 'link_source': 'oai', + 'link_source_id': obj['oai'].lower(), + 'ingest_request_source': 'metha-bulk', + 'release_stage': release_stage, + 'rel': rel, + 'ext_ids': { + 'doi': doi, + 'oai': obj['oai'].lower(), + }, + 'edit_extra': {}, + } + requests.append(request) + + return requests + +def run(args): + for l in args.json_file: + if not l.strip(): + continue + row = json.loads(l) + + requests = transform(row) or [] + for r in requests: + print("{}".format(json.dumps(r, sort_keys=True))) + +def main(): + parser = argparse.ArgumentParser( + formatter_class=argparse.ArgumentDefaultsHelpFormatter) + parser.add_argument('json_file', + help="OAI-PMH dump file to use (usually stdin)", + type=argparse.FileType('r')) + subparsers = parser.add_subparsers() + + args = parser.parse_args() + + run(args) + +if __name__ == '__main__': + main() |