Python 后端提交

Python 后端（FastAPI + FastMCP + ...）的初始版本号设定为 0.1.0，这是 uv 在 pypriject.toml
里给我自动设置的，我觉得有道理。

njupt_api/baselib/playcontextmanager.py

@@ -0,0 +1,56 @@
+from playwright.async_api import (
+    Browser,
+    BrowserContext,
+    Page,
+    Playwright,
+    async_playwright,
+)
+
+
+class PlayContextManager:
+    def __init__(
+        self,
+        playwright: Playwright = None,
+        browser: Browser = None,
+        context: BrowserContext = None,
+        page: Page = None,
+    ) -> None:
+        self.playwright = playwright
+        self.browser = browser
+        self.context = context
+        self.page = page
+
+        self.isLogin = False
+
+    async def start(self) -> None:
+        """手动启动"""
+        self.playwright = await async_playwright().start()  # 不是 __enter__
+        self.browser = await self.playwright.chromium.launch(
+            headless=False,
+            args=[
+                "--disable-blink-features=AutomationControlled",
+                "--no-sandbox",
+                "--disable-setuid-sandbox",
+                "--disable-dev-shm-usage",
+                "--disable-gpu",
+                "--no-proxy-server",
+            ],
+        )
+        self.context = await self.browser.new_context()
+        self.page = await self.context.new_page()
+
+    async def __aenter__(self) -> "PlayContextManager":
+        await self.start()
+        return self
+
+    async def close(self) -> None:
+        """手动关闭"""
+        if self.context:
+            await self.context.close()
+        if self.browser:
+            await self.browser.close()
+        if self.playwright:
+            await self.playwright.stop()  # 不是 __exit__
+
+    async def __aexit__(self, exc_type, exc_val, exc_tb) -> None:  # noqa: ANN001
+        await self.close()