fix(browsers): solving an issues with leaving playwright loop open when cdp connection fails

This has been causing issues with tests for a long time, and now finally found the reason.

scrapling/engines/_browsers/_controllers.py

@@ -3,13 +3,11 @@ from asyncio import sleep as asyncio_sleep
 
 from playwright.sync_api import (
     Locator,
-    Playwright,
     sync_playwright,
 )
 from playwright.async_api import (
     async_playwright,
     Locator as AsyncLocator,
-    Playwright as AsyncPlaywright,
     BrowserContext as AsyncBrowserContext,
 )
 
@@ -71,8 +69,9 @@ class DynamicSession(SyncSession, DynamicSessionMixin):
     def start(self):
         """Create a browser for this instance and context."""
         if not self.playwright:
-            self.playwright: Playwright = sync_playwright().start()  # pyright: ignore [reportAttributeAccessIssue]
+            self.playwright = sync_playwright().start()
 
+            try:
                 if self._config.cdp_url:  # pragma: no cover
                     browser = self.playwright.chromium.connect_over_cdp(endpoint_url=self._config.cdp_url)
                     self.context = browser.new_context(**self._context_options)
@@ -86,6 +85,11 @@ class DynamicSession(SyncSession, DynamicSessionMixin):
                     self.context.add_cookies(self._config.cookies)
 
                 self._is_alive = True
+            except Exception:
+                # Clean up playwright if browser setup fails
+                self.playwright.stop()
+                self.playwright = None
+                raise
         else:
             raise RuntimeError("Session has been already started")
 
@@ -209,8 +213,8 @@ class AsyncDynamicSession(AsyncSession, DynamicSessionMixin):
     async def start(self):
         """Create a browser for this instance and context."""
         if not self.playwright:
-            self.playwright: AsyncPlaywright = await async_playwright().start()  # pyright: ignore [reportAttributeAccessIssue]
-
+            self.playwright = await async_playwright().start()
+            try:
                 if self._config.cdp_url:
                     browser = await self.playwright.chromium.connect_over_cdp(endpoint_url=self._config.cdp_url)
                     self.context: AsyncBrowserContext = await browser.new_context(**self._context_options)
@@ -226,6 +230,11 @@ class AsyncDynamicSession(AsyncSession, DynamicSessionMixin):
                     await self.context.add_cookies(self._config.cookies)  # pyright: ignore
 
                 self._is_alive = True
+            except Exception:
+                # Clean up playwright if browser setup fails
+                await self.playwright.stop()
+                self.playwright = None
+                raise
         else:
             raise RuntimeError("Session has been already started")
 

scrapling/engines/_browsers/_stealth.py

@@ -6,12 +6,10 @@ from asyncio import sleep as asyncio_sleep
 from playwright.sync_api import (
     Locator,
     Page,
-    Playwright,
 )
 from playwright.async_api import (
     Page as async_Page,
     Locator as AsyncLocator,
-    Playwright as AsyncPlaywright,
     BrowserContext as AsyncBrowserContext,
 )
 from patchright.sync_api import sync_playwright
@@ -82,8 +80,9 @@ class StealthySession(SyncSession, StealthySessionMixin):
     def start(self):
         """Create a browser for this instance and context."""
         if not self.playwright:
-            self.playwright: Playwright = sync_playwright().start()  # pyright: ignore [reportAttributeAccessIssue]
+            self.playwright = sync_playwright().start()
 
+            try:
                 if self._config.cdp_url:  # pragma: no cover
                     browser = self.playwright.chromium.connect_over_cdp(endpoint_url=self._config.cdp_url)
                     self.context = browser.new_context(**self._context_options)
@@ -100,6 +99,11 @@ class StealthySession(SyncSession, StealthySessionMixin):
                     self.context.add_cookies(self._config.cookies)
 
                 self._is_alive = True
+            except Exception:
+                # Clean up playwright if browser setup fails
+                self.playwright.stop()
+                self.playwright = None
+                raise
         else:
             raise RuntimeError("Session has been already started")
 
@@ -308,8 +312,8 @@ class AsyncStealthySession(AsyncSession, StealthySessionMixin):
     async def start(self):
         """Create a browser for this instance and context."""
         if not self.playwright:
-            self.playwright: AsyncPlaywright = await async_playwright().start()  # pyright: ignore [reportAttributeAccessIssue]
-
+            self.playwright = await async_playwright().start()
+            try:
                 if self._config.cdp_url:
                     browser = await self.playwright.chromium.connect_over_cdp(endpoint_url=self._config.cdp_url)
                     self.context: AsyncBrowserContext = await browser.new_context(**self._context_options)
@@ -328,6 +332,11 @@ class AsyncStealthySession(AsyncSession, StealthySessionMixin):
                     await self.context.add_cookies(self._config.cookies)  # pyright: ignore
 
                 self._is_alive = True
+            except Exception:
+                # Clean up playwright if browser setup fails
+                await self.playwright.stop()
+                self.playwright = None
+                raise
         else:
             raise RuntimeError("Session has been already started")