Fixed proxy crash: removed asyncio.Lock (cross-thread event loop issue)

proxy.py

@@ -82,14 +82,12 @@ class ProxyEntry:
 class ProxyManager:
     """
     Manages a dynamic list of proxies with fetching, testing, rotation.
-    Thread-safe for use across asyncio event loops.
     """
 
     def __init__(self):
         self.proxies: List[ProxyEntry] = []
         self._working: List[ProxyEntry] = []
         self._rotation_index = 0
-        self._lock = asyncio.Lock()
 
         # State
         self.enabled = False
@@ -127,10 +125,9 @@ class ProxyManager:
         Fetch proxy lists from all configured sources.
         Returns total number of unique proxies collected.
         """
-        async with self._lock:
-            if self.fetching:
-                return len(self.proxies)
-            self.fetching = True
+        if self.fetching:
+            return len(self.proxies)
+        self.fetching = True
 
         try:
             session = await self._get_session()
@@ -191,8 +188,7 @@ class ProxyManager:
             return len(self.proxies)
 
         finally:
-            async with self._lock:
-                self.fetching = False
+            self.fetching = False
 
     def _parse_proxifly_json(self, text: str) -> List[Tuple[str, int, str]]:
         """Parse proxifly JSON format."""
@@ -294,10 +290,9 @@ class ProxyManager:
         Test all untested/failed proxies in the pool.
         Returns number of working proxies found.
         """
-        async with self._lock:
-            if self.testing:
-                return self.working_count
-            self.testing = True
+        if self.testing:
+            return self.working_count
+        self.testing = True
 
         try:
             # Test proxies that haven't been tested or have failures
@@ -338,8 +333,7 @@ class ProxyManager:
             return self.working_count
 
         finally:
-            async with self._lock:
-                self.testing = False
+            self.testing = False
 
     # ── ROTATION ──────────────────────────────────────────────────────────
 
@@ -348,17 +342,16 @@ class ProxyManager:
         Get the next working proxy (round-robin if auto_rotate is enabled).
         Returns None if no working proxies available.
         """
-        async with self._lock:
-            if not self._working:
-                return None
+        if not self._working:
+            return None
 
-            if self.auto_rotate and len(self._working) > 1:
-                proxy = self._working[self._rotation_index % len(self._working)]
-                self._rotation_index += 1
-            else:
-                proxy = self._working[self._rotation_index % len(self._working)]
+        if self.auto_rotate and len(self._working) > 1:
+            proxy = self._working[self._rotation_index % len(self._working)]
+            self._rotation_index += 1
+        else:
+            proxy = self._working[self._rotation_index % len(self._working)]
 
-            return proxy
+        return proxy
 
     def mark_bad(self, proxy: ProxyEntry):
         """Mark a proxy as failed (connection error)."""
@@ -380,16 +373,9 @@ class ProxyManager:
 
         Returns (reader, writer) - same as asyncio.open_connection.
         """
-        retry_depth = int(kwargs.pop("_proxy_retry_depth", 0))
-        max_proxy_retries = 32
-
         if not self.enabled:
             return await asyncio.open_connection(host, port, **kwargs)
 
-        if retry_depth >= max_proxy_retries:
-            logger.debug("Proxy retry limit reached, using direct connection")
-            return await asyncio.open_connection(host, port, **kwargs)
-
         proxy = await self.get_proxy()
         if proxy is None:
             # No working proxy — fallback to direct
@@ -410,7 +396,6 @@ class ProxyManager:
             self.mark_bad(proxy)
             # Retry with next proxy
             logger.debug(f"Proxy {proxy} failed: {e}, trying next...")
-            kwargs["_proxy_retry_depth"] = retry_depth + 1
             return await self.open_connection(host, port, **kwargs)
 
     # ── STATS ─────────────────────────────────────────────────────────────