def migrate_doi_identifier(data):
"""If the dataset has a doi, make identifier be based on it."""
from renku.core.utils.doi import is_doi, extract_doi
if is_doi(data.get('_id', '')):
data['identifier'] = extract_doi(data.get('_id'))
data['same_as'] = data['_id']
if data.get('@context'):
data['@context'].setdefault('same_as', 'schema:sameAs')
return data
def _query(self, doi):
"""Retrieve metadata for given doi."""
doi = extract_doi(doi)
url = make_doi_url(doi)
with retry() as session:
response = session.get(url, headers=self.headers)
if response.status_code != 200:
raise LookupError("record not found. Status: {}".format(response.status_code))
return response
def remote_url(self):
"""Get remote URL as ``urllib.ParseResult``."""
if self.content_url is not None:
return urllib.parse.urlparse(self.content_url)
if self.identifier is None:
return None
doi = extract_doi(self.identifier)
if doi is None:
return None
file_url = make_file_url('doi:' + doi, self.parent_url)
return urllib.parse.urlparse(file_url)
def _extract_doi(value):
"""Return either a string or the doi part of a URL."""
value = str(value)
if is_doi(value):
return extract_doi(value)
return value