新增: DeepSeek 全部 33 篇官方论文(原文 PDF 走 Git LFS + 中文精读笔记与索引)

2026-09-20 17:11:49 +08:00
parent f600fa5871
commit 14c280ffee
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+"""Scrape arXiv search HTML for a query and dump id/title/authors.
+
+Usage: python scrape_search.py <query> <pages> <out.json>
+"""
+import urllib.request
+import urllib.parse
+import re
+import json
+import sys
+import time
+import html as htmlmod
+
+UA = 'Mozilla/5.0 (compatible; paperbot/1.0)'
+
+
+def get(url, timeout=40):
+    req = urllib.request.Request(url, headers={'User-Agent': UA})
+    with urllib.request.urlopen(req, timeout=timeout) as r:
+        return r.read().decode('utf-8', 'ignore')
+
+
+def strip(s):
+    s = re.sub(r'<[^>]+>', ' ', s)
+    s = htmlmod.unescape(s)
+    return ' '.join(s.split())
+
+
+def parse_page(t):
+    out = []
+    # each result block
+    for m in re.finditer(r'<li class="arxiv-result">(.*?)</li>\s*(?=<li class="arxiv-result">|</ol>)', t, re.S):
+        blk = m.group(1)
+        aid = re.search(r'arxiv\.org/abs/([^"\'<]+)', blk)
+        title = re.search(r'<p class="title is-5 mathjax">(.*?)</p>', blk, re.S)
+        authors = re.search(r'<p class="authors">(.*?)</p>', blk, re.S)
+        dates = re.search(r'<p class="is-size-7">(.*?)</p>', blk, re.S)
+        if not aid:
+            continue
+        out.append({
+            'id': aid.group(1),
+            'title': strip(title.group(1)) if title else '',
+            'authors': strip(authors.group(1)) if authors else '',
+            'dates': strip(dates.group(1)) if dates else '',
+        })
+    return out
+
+
+def main():
+    q = sys.argv[1]
+    pages = int(sys.argv[2]) if len(sys.argv) > 2 else 1
+    out_path = sys.argv[3] if len(sys.argv) > 3 else 'search.json'
+    size = 200
+    res = []
+    for p in range(pages):
+        url = ('https://arxiv.org/search/?searchtype=all&query=' + urllib.parse.quote(q)
+               + '&start=' + str(p * size) + '&size=' + str(size))
+        try:
+            t = get(url)
+        except Exception as e:  # noqa: BLE001
+            print('page fail', p, e, file=sys.stderr)
+            break
+        rows = parse_page(t)
+        total = re.search(r'of\s+([\d,]+)\s+results', t)
+        print('page', p, 'rows', len(rows), 'total', total.group(1) if total else '?', file=sys.stderr)
+        res.extend(rows)
+        if len(rows) < size:
+            break
+        time.sleep(2)
+    seen = {}
+    for r in res:
+        seen.setdefault(r['id'].split('v')[0], r)
+    with open(out_path, 'w', encoding='utf-8') as f:
+        json.dump(list(seen.values()), f, ensure_ascii=False, indent=1)
+    print('saved', len(seen), file=sys.stderr)
+
+
+if __name__ == '__main__':
+    main()