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import sys
import json
import sqlite3
import itertools
import fatcat_client
from fatcat_tools.importers.common import FatcatImporter
#row = row.split('\t')
#assert len(row) == 2
#sha1 = row[0].replace('sha1:')
#sha1 = base64.b16encode(base64.b32decode(sha1)).lower()
#print(sha1)
#dois = [d.lower() for d in json.loads(row[1])]
class FatcatMatchedImporter(FatcatImporter):
"""
Input format is JSON with keys:
- dois (list)
- sha1 (hex)
- md5 (hex)
- sha256 (hex)
- size (int)
- cdx (list of objects)
- dt
- url
- mimetype
- urls (list of strings... or objects?)
Future handlings/extensions:
- core_id, wikidata_id, pmcid, pmid: not as lists
"""
def __init__(self, host_url, skip_file_update=False, default_mime=None,
default_link_rel="web"):
super().__init__(host_url)
self.default_mime = default_mime
self.default_link_rel = default_link_rel
self.skip_file_update = skip_file_update
def make_url(self, raw):
rel = self.default_link_rel
# TODO: this is where we could map specific domains to rel types,
# and also filter out bad domains, invalid URLs, etc
if "//archive.org/" in raw or "//arxiv.org/" in raw:
# TODO: special-case the arxiv.org bulk mirror?
rel = "repository"
elif "//web.archive.org/" in raw or "//archive.is/" in raw:
rel = "webarchive"
return fatcat_client.FileEntityUrls(url=raw, rel=rel)
def parse_matched_dict(self, obj):
sha1 = obj['sha1']
dois = [d.lower() for d in obj.get('dois', [])]
# lookup sha1, or create new entity
fe = None
if not self.skip_file_update:
try:
fe = self.api.lookup_file(sha1=sha1)
except fatcat_client.rest.ApiException as err:
if err.status != 404:
raise err
if fe is None:
fe = fatcat_client.FileEntity(
sha1=sha1,
releases=[],
urls=[],
)
# lookup dois
re_list = set()
for doi in dois:
try:
re = self.api.lookup_release(doi=doi)
except fatcat_client.rest.ApiException as err:
if err.status != 404:
raise err
re = None
if re is None:
print("DOI not found: {}".format(doi))
else:
re_list.add(re.ident)
if len(re_list) == 0:
return None
if fe.releases == set(re_list):
return None
re_list.update(fe.releases)
fe.releases = list(re_list)
# parse URLs and CDX
existing_urls = [feu.url for feu in fe.urls]
for url in obj.get('url', []):
if url not in existing_urls:
url = self.make_url(url)
if url != None:
fe.urls.append(url)
for cdx in obj.get('cdx', []):
original = cdx['url']
wayback = "https://web.archive.org/web/{}/{}".format(
cdx['dt'],
original)
if wayback not in existing_urls:
fe.urls.append(
fatcat_client.FileEntityUrls(url=wayback, rel="webarchive"))
if original not in existing_urls:
url = self.make_url(original)
if url != None:
fe.urls.append(url)
if obj.get('size') != None:
fe.size = int(obj['size'])
fe.sha256 = obj.get('sha256', fe.sha256)
fe.md5 = obj.get('md5', fe.sha256)
if obj.get('mimetype') is None:
if fe.mimetype is None:
fe.mimetype = self.default_mime
else:
fe.mimetype = obj.get('mimetype')
return fe
def create_row(self, row, editgroup=None):
obj = json.loads(row)
fe = self.parse_matched_dict(obj)
if fe is not None:
if fe.ident is None:
self.api.create_file(fe, editgroup=editgroup)
self.insert_count = self.insert_count + 1
else:
self.api.update_file(fe.ident, fe, editgroup=editgroup)
self.update_count = self.update_count + 1
def create_batch(self, batch, editgroup=None):
"""Reads and processes in batches (not API-call-per-line)"""
objects = [self.parse_matched_dict(json.loads(l))
for l in batch if l != None]
new_objects = [o for o in objects if o != None and o.ident == None]
update_objects = [o for o in objects if o != None and o.ident != None]
for obj in update_objects:
self.api.update_file(obj.ident, obj, editgroup=editgroup)
if len(new_objects) > 0:
self.api.create_file_batch(new_objects, autoaccept="true", editgroup=editgroup)
self.update_count = self.update_count + len(update_objects)
self.insert_count = self.insert_count + len(new_objects)
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