完善虎牙账号管理并规范Cookie

core/huya/cookie_utils.py

@@ -0,0 +1,60 @@
+"""虎牙 Cookie 规范化工具。"""
+
+from __future__ import annotations
+
+from collections.abc import Iterable, Mapping
+
+import requests
+
+
+def cookie_pairs(cookie: str) -> list[tuple[str, str]]:
+    """把浏览器 Cookie 字符串拆成 key/value 对。"""
+    pairs: list[tuple[str, str]] = []
+    for part in (cookie or "").split(";"):
+        item = part.strip()
+        if not item or "=" not in item:
+            continue
+        key, value = item.split("=", 1)
+        key = key.strip()
+        if not key:
+            continue
+        pairs.append((key, value.strip()))
+    return pairs
+
+
+def normalize_cookie_pairs(pairs: Iterable[tuple[str, str]]) -> str:
+    """按 Cookie key 去重，保留最后一次出现的值。"""
+    ordered_keys: list[str] = []
+    values: dict[str, str] = {}
+    for raw_key, raw_value in pairs:
+        key = str(raw_key).strip()
+        if not key:
+            continue
+        if key not in values:
+            ordered_keys.append(key)
+        values[key] = "" if raw_value is None else str(raw_value).strip()
+    return "; ".join(f"{key}={values[key]}" for key in ordered_keys)
+
+
+def normalize_huya_cookie(cookie: str | Mapping[str, str] | requests.cookies.RequestsCookieJar | None) -> str:
+    """把 Cookie 字符串、dict 或 CookieJar 转成去重后的浏览器 Cookie 字符串。"""
+    if not cookie:
+        return ""
+    if isinstance(cookie, str):
+        return normalize_cookie_pairs(cookie_pairs(cookie))
+    return normalize_cookie_pairs(cookie.items())
+
+
+def cookie_value(cookie: str | Mapping[str, str] | requests.cookies.RequestsCookieJar | None, key: str) -> str:
+    """从 Cookie 中读取 key；有重复时以最后一次出现为准。"""
+    if not cookie or not key:
+        return ""
+    if isinstance(cookie, str):
+        pairs = cookie_pairs(cookie)
+    else:
+        pairs = list(cookie.items())
+    value = ""
+    for item_key, item_value in pairs:
+        if item_key == key:
+            value = "" if item_value is None else str(item_value).strip()
+    return value