's'

web2_douyin_preview.py

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+"""抖音直播间页面临时解析主播昵称（仅供控制台展示，可能随页面改版失效）。"""
+from __future__ import annotations
+
+import re
+import urllib.error
+import urllib.request
+from typing import Any
+
+
+_UA = (
+    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 "
+    "(KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"
+)
+
+
+def _norm_douyin_live_url(url: str) -> str:
+    u = (url or "").strip()
+    if not u:
+        return ""
+    u = u.split("#")[0].strip()
+    if u.startswith("http://"):
+        u = "https://" + u[7:]
+    if not u.startswith("https://"):
+        u = "https://" + u
+    return u
+
+
+def _room_id_from_url(url: str) -> str:
+    m = re.search(r"live\.douyin\.com/([a-zA-Z0-9_-]+)", url, re.I)
+    return m.group(1) if m else ""
+
+
+def fetch_douyin_anchor_name(url: str) -> dict[str, Any]:
+    u = _norm_douyin_live_url(url)
+    if not re.search(r"douyin\.com", u, re.I):
+        return {"ok": False, "error": "非抖音链接", "url": url, "room_id": "", "anchor_name": ""}
+    rid = _room_id_from_url(u)
+    if not rid:
+        return {"ok": False, "error": "无法解析房间号", "url": url, "room_id": "", "anchor_name": ""}
+    try:
+        req = urllib.request.Request(u, headers={"User-Agent": _UA, "Accept": "text/html,*/*"})
+        with urllib.request.urlopen(req, timeout=12) as resp:
+            html = resp.read().decode("utf-8", errors="ignore")
+    except urllib.error.HTTPError as e:
+        return {"ok": False, "error": f"HTTP {e.code}", "url": u, "room_id": rid, "anchor_name": ""}
+    except Exception as e:
+        return {"ok": False, "error": str(e), "url": u, "room_id": rid, "anchor_name": ""}
+
+    name = ""
+    for pat in (
+        r'"nickname"\s*:\s*"([^"\\]+)"',
+        r'"nickName"\s*:\s*"([^"\\]+)"',
+        r'"owner"\s*:\s*\{[^}]*"nickname"\s*:\s*"([^"\\]+)"',
+    ):
+        m = re.search(pat, html)
+        if m:
+            name = m.group(1).strip()
+            break
+    if not name:
+        m2 = re.search(r"主播[：:]\s*([^\s<\"]{1,40})", html)
+        if m2:
+            name = m2.group(1).strip()
+
+    return {
+        "ok": True,
+        "url": u,
+        "room_id": rid,
+        "anchor_name": name or "",
+        "error": "" if name else "未解析到昵称",
+    }