def import_arxiv(arxiv_id):
"""View for retrieving an article from arXiv.
This endpoint is designed to be queried by inspirehep during an article
submission, to auto-fill the submission form if the user provides an arXiv
identifier.
Args:
arxiv_id: the normalized arXiv id, e.g. `0804.2273`.
Returns:
dict: a json object with either the parsed article
Raises:
ImportConnectionError: if the request doesn't succeed.
ImportParsingError: if any error occurs during the response parsing.
"""
url = ARXIV_URL.replace(PLACEHOLDER, arxiv_id)
LOGGER.debug("Importing article from arxiv", arxiv=arxiv_id)
try:
resp = requests.get(url=url)
except (ConnectionError, IOError) as exc:
raise ImportConnectionError("Cannot contact arXiv") from exc
if resp.status_code >= 400:
raise ImportConnectionError(
f"Cannot contact arXiv. Got response {resp}.")
if "Malformed identifier" in str(resp.text):
# arXiv will reply 200 for a non existing arXiv ID with a message error
return {}
try:
parser = ArxivParser(resp.text)
return parser.parse()
except Exception as exc:
raise ImportParsingError(
f"An error occurred while parsing article oai:arXiv.org:{arxiv_id}."
) from exc
def import_doi(doi):
"""View for retrieving an article from CrossRef.
This endpoint is designed to be queried by inspirehep during an article
submission, to auto-fill the submission form if the user provides a DOI.
Args:
doi: a normalized DOI id, e.g. `10.1088/1361-6633/aa5514`. The
variable has type `path` in order to properly handle '/' in the param.
Returns:
dict: a json object with either the parsed article or the occurred
error.
Raises:
ImportConnectionError: if the request doesn't succeed.
ImportParsingError: if any error occurs during the response parsing.
"""
doi = requests.utils.quote(doi, safe="")
url = CROSSREF_URL.replace(PLACEHOLDER, doi)
LOGGER.debug("Importing article from CrossRef", doi=doi)
try:
resp = requests.get(url=url)
except (ConnectionError, IOError) as exc:
raise ImportConnectionError(f"Cannot contact CrossRef.") from exc
if resp.status_code == 404:
return {}
try:
parser = CrossrefParser(resp.json())
return parser.parse()
except Exception as exc:
raise ImportParsingError("An error occurred while parsing %r",
url) from exc