import sys import json import base64 import sqlite3 import itertools import fatcat_client from .common import EntityImporter, clean, make_rel_url def b32_hex(s): s = s.strip().split()[0].lower() if s.startswith("sha1:"): s = s[5:] if len(s) != 32: return s return base64.b16encode(base64.b32decode(s.upper())).lower().decode('utf-8') ARABESQUE_MATCH_WHERE_CLAUSE='WHERE hit = 1 AND identifier IS NOT NULL' class ArabesqueMatchImporter(EntityImporter): """ Importer for arabesque crawl report .sqlite files, which contain file/identifier matches based on URL/identifier seedlists. Uses a SQL query to iterate through table looking for rows with: - GROBID status 200 - known SHA-1 (base32 format) - known timestamp Looks up release (by identifier) and file (by SHA-1). If no release exists, bail. If no file exists, create one from metadata (using both direct and wayback URLs), link to release, and insert. If file exists, optionally update it: - if no release match, match to the release - if new URL not included, add it (and wayback) Config options: - default URL rel - crawl id (for editgroup metadata) - identifier type TODO: - a mode to insert bare files even if identifier not known? """ def __init__(self, api, extid_type, require_grobid=True, **kwargs): eg_desc = kwargs.get('editgroup_description', "Match web crawl files to releases based on identifier/URL seedlist") eg_extra = kwargs.get('editgroup_extra', dict()) eg_extra['agent'] = eg_extra.get('agent', 'fatcat_tools.ArabesqueMatchImporter') if kwargs.get('crawl_id'): eg_extra['crawl_id'] = kwargs.get('crawl_id') super().__init__(api, editgroup_description=eg_desc, editgroup_extra=eg_extra, **kwargs) assert extid_type in ('doi', 'pmcid', 'pmid') self.extid_type = extid_type self.default_link_rel = kwargs.get("default_link_rel", "web") assert self.default_link_rel self.default_mime = kwargs.get("default_mime", None) self.do_updates = kwargs.get("do_updates", False) self.require_grobid = require_grobid if self.require_grobid: print("Requiring GROBID status == 200") else: print("NOT checking GROBID status column") def want(self, row): if self.require_grobid and not row['postproc_status'] == "200": return False if (row['hit'] == True and row['final_sha1'] and row['final_timestamp'] and row['final_timestamp'] != "-" and row['final_mimetype'] and row['hit'] == True and row['identifier']): return True else: return False def parse_record(self, row): extid = row['identifier'].strip() # check/cleanup DOI if self.extid_type == 'doi': extid = extid.lower() extid.replace('http://doi.org/', '') extid.replace('https://doi.org/', '') if extid.startswith('doi:'): extid = extid[4:] if not extid.startswith('10.'): self.counts['skip-extid-invalid'] return None # lookup extid try: re = self.api.lookup_release(**{self.extid_type: extid}) except fatcat_client.rest.ApiException as err: if err.status == 404: # bail on 404 (release not in DB) self.counts['skip-extid-not-found'] += 1 return None elif err.status == 400: self.counts['skip-extid-invalid'] += 1 return None else: raise err url = make_rel_url(row['final_url'], self.default_link_rel) if not url: self.counts['skip-url'] += 1 return None wayback = "https://web.archive.org/web/{}/{}".format( row['final_timestamp'], row['final_url']) urls = [url, ("webarchive", wayback)] urls = [fatcat_client.FileEntityUrls(rel=rel, url=url) for (rel, url) in urls] fe = fatcat_client.FileEntity( sha1=b32_hex(row['final_sha1']), mimetype=row['final_mimetype'], release_ids=[re.ident], urls=urls, ) 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_client.rest.ApiException as err: if err.status != 404: raise err if not existing: return True if (fe.release_ids[0] in existing.release_ids) and existing.urls: # TODO: could still, in theory update with the new URL? self.counts['exists'] += 1 return False if not self.do_updates: self.counts['skip-update-disabled'] += 1 return False if existing.ident in [e.ident for e in self._edits_inflight]: self.counts['skip-update-inflight'] += 1 return False # TODO: this code path never gets hit because of the check above if set(fe.release_ids) == set(existing.release_ids): existing_urls = set([u.url for u in existing.urls]) new_urls = set([u.url for u in fe.urls]) if existing_urls.issuperset(new_urls): self.counts['skip-update-nothing-new'] += 1 return False # merge the existing into this one and update existing.urls = list(set([(u.rel, u.url) for u in fe.urls + existing.urls])) existing.urls = [fatcat_client.FileEntityUrls(rel=rel, url=url) for (rel, url) in existing.urls] existing.release_ids = list(set(fe.release_ids + existing.release_ids)) existing.mimetype = existing.mimetype or fe.mimetype edit = self.api.update_file(existing.ident, existing, editgroup_id=self.get_editgroup_id()) self._edits_inflight.append(edit) self.counts['update'] += 1 return False def insert_batch(self, batch): self.api.create_file_batch(batch, autoaccept=True, description=self.editgroup_description, extra=json.dumps(self.editgroup_extra))