feat: get_abstract_from_elsevier 可自动触发自己

This commit is contained in:
caoqianming 2026-01-26 17:42:16 +08:00
parent a11dce1358
commit 5529f97ab8
1 changed files with 75 additions and 60 deletions

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@ -11,6 +11,7 @@ import requests
from lxml import etree
from django.conf import settings
import os
from celery import current_app
config.email = "caoqianming@foxmail.com"
config.max_retries = 0
@ -61,11 +62,11 @@ def get_paper_meta_from_openalex(publication_year:int, search_key:str):
ELSEVIER_APIKEY = 'aa8868cac9e27d6153ab0a0acd7b50bf'
@shared_task(base=CustomTask)
def get_abstract_from_elsevier(publication_year: int, number_of_task:int = 100):
qs = Paper.objects.filter(
publication_year=publication_year,
has_abstract=False
).exclude(
def get_abstract_from_elsevier(publication_year: int = None, number_of_task:int = 100):
qs = Paper.objects.filter(has_abstract=True)
if publication_year is not None:
qs = qs.filter(publication_year=publication_year)
qs = qs.exclude(
fail_reason="elsevier_doi_not_found"
).order_by("publication_date")
@ -77,70 +78,84 @@ def get_abstract_from_elsevier(publication_year: int, number_of_task:int = 100):
"httpAccept": "text/xml"
}
err_msg = ""
req = requests.Session()
for paper in qs[:number_of_task]:
try:
res = req.get(
f"https://api.elsevier.com/content/article/doi/{paper.doi}",
params=params,
timeout=(3, 15)
)
except requests.RequestException:
err_msg = "elsevier_request_error"
break
if res.status_code == 200:
xml_str = res.text
if number_of_task is None:
papers = qs.all()
else:
papers = qs[:number_of_task]
with requests.Session() as req:
for paper in papers:
try:
root = etree.fromstring(xml_str.encode("utf-8"))
except etree.XMLSyntaxError:
paper.fail_reason = "elsevier_xml_error"
paper.save(update_fields=["fail_reason"])
continue
ns = {"dc": "http://purl.org/dc/elements/1.1/",
"ce": "http://www.elsevier.com/xml/common/dtd"}
abstract = root.xpath("//dc:description/text()", namespaces=ns)
if abstract:
PaperAbstract.objects.update_or_create(
paper=paper,
defaults={
"abstract": abstract[0].strip(),
"source": "elsevier"
}
res = req.get(
f"https://api.elsevier.com/content/article/doi/{paper.doi}",
params=params,
timeout=(3, 15)
)
paper.has_abstract = True
paper.has_abstract_xml = True
except requests.RequestException:
err_msg = "elsevier_request_error"
break
paras = root.xpath("//ce:para", namespaces=ns)
has_fulltext = len(paras) > 0
if has_fulltext:
paper.has_fulltext = True
paper.has_fulltext_xml = True
publication_date = paper.publication_date
paper_dir = os.path.join(
settings.BASE_DIR,
"media/papers",
str(publication_date.year),
str(publication_date.month),
str(publication_date.day)
)
os.makedirs(paper_dir, exist_ok=True)
if res.status_code == 200:
xml_str = res.text
try:
root = etree.fromstring(xml_str.encode("utf-8"))
except etree.XMLSyntaxError:
paper.fail_reason = "elsevier_xml_error"
paper.save(update_fields=["fail_reason"])
continue
safe_doi = paper.doi.replace("/", "_")
paper_file = os.path.join(paper_dir, f"{safe_doi}.xml")
with open(paper_file, "wb") as f:
f.write(xml_str.encode("utf-8"))
ns = {"dc": "http://purl.org/dc/elements/1.1/",
"ce": "http://www.elsevier.com/xml/common/dtd"}
abstract = root.xpath("//dc:description/text()", namespaces=ns)
if abstract:
PaperAbstract.objects.update_or_create(
paper=paper,
defaults={
"abstract": abstract[0].strip(),
"source": "elsevier"
}
)
paper.has_abstract = True
paper.has_abstract_xml = True
paper.fetch_status = "abstract_ready"
paper.save(update_fields=["has_abstract", "has_abstract_xml", "has_fulltext", "has_fulltext_xml", "update_time"])
paras = root.xpath("//ce:para", namespaces=ns)
has_fulltext = len(paras) > 0
if has_fulltext:
paper.has_fulltext = True
paper.has_fulltext_xml = True
paper.fetch_status = "fulltext_ready"
publication_date = paper.publication_date
paper_dir = os.path.join(
settings.BASE_DIR,
"media/papers",
str(publication_date.year),
str(publication_date.month),
str(publication_date.day)
)
os.makedirs(paper_dir, exist_ok=True)
elif res.status_code == 404:
paper.fail_reason = "elsevier_doi_not_found"
paper.save(update_fields=["fail_reason"])
safe_doi = paper.doi.replace("/", "_")
paper_file = os.path.join(paper_dir, f"{safe_doi}.xml")
with open(paper_file, "wb") as f:
f.write(xml_str.encode("utf-8"))
paper.save(update_fields=["has_abstract", "has_abstract_xml", "has_fulltext", "has_fulltext_xml", "update_time"])
elif res.status_code == 404:
paper.fail_reason = "elsevier_doi_not_found"
paper.save(update_fields=["fail_reason"])
remaining_count = qs.count()
if remaining_count == 0:
return "done"
else:
current_app.send_task(
"apps.resm.tasks.get_abstract_from_elsevier",
kwargs={
"publication_year": publication_year,
"number_of_task": number_of_task,
},
countdown=5,
)
return f'{err_msg}, remaining {remaining_count} papers'