library: simple home page (look up, check out, return, add, add person, recently added), hamburger menu, footer; add books by title with matches to choose
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013wi3ZSot4XbUViwRFgLpRf
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Claude
@@ -1527,6 +1527,101 @@ def op_logins_all(payload):
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return 200, {"status": "done", "made": made}
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# ------------------------------------------------------------ title / author search
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def z3950_candidates(spec, term, limit=8):
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"""Title search (falling back to any field) on a Z39.50 server; returns summaries with an ISBN."""
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out = []
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for attr in ("@attr 1=4", "@attr 1=1016"):
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with tempfile.TemporaryDirectory() as tmp:
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dump = os.path.join(tmp, "rec.mrc")
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q = term.replace('"', " ")
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script = 'format usmarc\nfind %s "%s"\nshow 1+%d\nquit\n' % (attr, q, limit)
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try:
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res = subprocess.run(["yaz-client", "-m", dump, spec], input=script, capture_output=True, text=True,
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timeout=Z3950_TIMEOUT).stdout
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except (subprocess.TimeoutExpired, OSError):
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return out
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m = re.search(r"Number of hits: (\d+)", res)
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if not m or int(m.group(1)) == 0 or not os.path.exists(dump):
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continue
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raw = open(dump, "rb").read()
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args = ["yaz-marcdump", "-o", "marcxml"]
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if len(raw) > 9 and raw[9:10] == b" ":
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args += ["-f", "MARC-8", "-t", "UTF-8", "-l", "9=97"]
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conv = subprocess.run(args + [dump], capture_output=True, text=True, timeout=15)
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if conv.returncode != 0:
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continue
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try:
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root = ET.fromstring(conv.stdout if conv.stdout.lstrip().startswith("<collection") else "<c xmlns='%s'>%s</c>" % (NS["m"], conv.stdout))
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except ET.ParseError:
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continue
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for rec in root.iter("{%s}record" % NS["m"]):
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info = describe(rec)
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isbn = ""
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for df in rec.findall("m:datafield[@tag='020']", NS):
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for sf in df.findall("m:subfield[@code='a']", NS):
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c = clean_code((sf.text or "").split(" ")[0])
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if c and len(c) in (10, 13) and not isbn:
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isbn = isbn10_to_13(c) if len(c) == 10 else c
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if isbn:
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out.append(dict(info, isbn=isbn, source="Library of Congress"))
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if out:
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return out
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return out
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def openlibrary_candidates(term, limit=10):
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url = "https://openlibrary.org/search.json?" + urllib.parse.urlencode(
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{"q": term, "limit": str(limit), "fields": "title,author_name,first_publish_year,isbn,publisher,cover_i"})
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try:
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with urllib.request.urlopen(urllib.request.Request(url, headers={"User-Agent": "library-quickadd/1.0"}), timeout=10) as r:
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docs = json.load(r).get("docs") or []
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except (urllib.error.URLError, OSError, ValueError):
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return []
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out = []
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for d in docs:
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isbns = [clean_code(i) for i in (d.get("isbn") or [])]
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isbns = [i for i in isbns if i and len(i) == 13 and i[:3] in ("978", "979")] or [isbn10_to_13(i) for i in isbns if i and len(i) == 10]
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if not isbns or not d.get("title"):
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continue
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out.append({"title": d["title"], "author": ", ".join((d.get("author_name") or [])[:2]), "year": str(d.get("first_publish_year") or ""),
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"publisher": ((d.get("publisher") or [""])[0])[:60], "isbn": isbns[0], "source": "Open Library"})
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return out
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def op_lookup(term):
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"""Books matching a title/author, to choose from; each has an ISBN so choosing one is a normal add."""
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term = re.sub(r"\s+", " ", term or "").strip()[:100]
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if len(term) < 3:
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return {"candidates": []}
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found, seen = [], set()
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for src in SOURCES:
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got = []
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if src == "openlibrary":
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got = openlibrary_candidates(term)
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elif src.startswith("z3950:"):
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got = z3950_candidates(src[len("z3950:"):], term)
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for c in got:
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key = (c["isbn"], (c["title"] + c["author"]).lower()[:40])
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if c["isbn"] in {k[0] for k in seen} or key in seen:
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continue
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seen.add(key)
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found.append(c)
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found = found[:12]
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if found: # which of these do we already own? one query for all
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conds = [{"isbn": {"-like": "%" + c["isbn"] + "%"}} for c in found] + [{"ean": {"-like": "%" + c["isbn"] + "%"}} for c in found]
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try:
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owned = " ".join((b.get("isbn") or "") + " " + (b.get("ean") or "") for b in
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(koha("GET", "/biblios", query={"q": json.dumps({"-or": conds}), "_per_page": "50"}) or []))
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except KohaError:
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owned = ""
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for c in found:
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alt = isbn13_to_10(c["isbn"]) or ""
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c["have"] = c["isbn"] in owned or bool(alt and alt in owned)
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have = found
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return {"candidates": have}
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# ------------------------------------------------------------ photo scanning
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MAX_IMAGE = 12 * 1024 * 1024
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ZBAR_TIMEOUT = 20
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@@ -1726,6 +1821,12 @@ class Handler(BaseHTTPRequestHandler):
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except KohaError as e:
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return self._send(404 if e.status == 404 else 502, {"status": "error", "message":
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"Koha is not answering yet - try again in a minute." if e.status == 503 else "Failed: %s" % e.body[:120]})
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if path == "/api/lookup":
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q = (urllib.parse.parse_qs(urllib.parse.urlparse(self.path).query).get("q") or [""])[0]
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try:
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return self._send(200, op_lookup(q))
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except KohaError:
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return self._send(502, {"status": "error", "message": "Koha is not answering yet - try again in a minute."})
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if path == "/api/me":
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if self.role != "patron":
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return self._send(403, {"status": "error", "message": "Sign in with a library card to see your books."})
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