prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  threading.setDaemon has been deprecated in favor of setting daemon attribute directly in Python 3.10
  Ref : https://github.com/python/cpython/pull/25174
  
  https://github.com/getsentry/sentry-python/blob/927903e3b354a42e427d91129c399d64d480a6b9/sentry_sdk/worker.py#L69
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `sentry_sdk/worker.py`
  Content:
  ```
  1 import os
  2 import threading
  3 
  4 from time import sleep, time
  5 from sentry_sdk._compat import check_thread_support
  6 from sentry_sdk._queue import Queue, Full
  7 from sentry_sdk.utils import logger
  8 from sentry_sdk.consts import DEFAULT_QUEUE_SIZE
  9 
  10 from sentry_sdk._types import MYPY
  11 
  12 if MYPY:
  13     from typing import Any
  14     from typing import Optional
  15     from typing import Callable
  16 
  17 
  18 _TERMINATOR = object()
  19 
  20 
  21 class BackgroundWorker(object):
  22     def __init__(self, queue_size=DEFAULT_QUEUE_SIZE):
  23         # type: (int) -> None
  24         check_thread_support()
  25         self._queue = Queue(queue_size)  # type: Queue
  26         self._lock = threading.Lock()
  27         self._thread = None  # type: Optional[threading.Thread]
  28         self._thread_for_pid = None  # type: Optional[int]
  29 
  30     @property
  31     def is_alive(self):
  32         # type: () -> bool
  33         if self._thread_for_pid != os.getpid():
  34             return False
  35         if not self._thread:
  36             return False
  37         return self._thread.is_alive()
  38 
  39     def _ensure_thread(self):
  40         # type: () -> None
  41         if not self.is_alive:
  42             self.start()
  43 
  44     def _timed_queue_join(self, timeout):
  45         # type: (float) -> bool
  46         deadline = time() + timeout
  47         queue = self._queue
  48 
  49         queue.all_tasks_done.acquire()
  50 
  51         try:
  52             while queue.unfinished_tasks:
  53                 delay = deadline - time()
  54                 if delay <= 0:
  55                     return False
  56                 queue.all_tasks_done.wait(timeout=delay)
  57 
  58             return True
  59         finally:
  60             queue.all_tasks_done.release()
  61 
  62     def start(self):
  63         # type: () -> None
  64         with self._lock:
  65             if not self.is_alive:
  66                 self._thread = threading.Thread(
  67                     target=self._target, name="raven-sentry.BackgroundWorker"
  68                 )
  69                 self._thread.setDaemon(True)
  70                 self._thread.start()
  71                 self._thread_for_pid = os.getpid()
  72 
  73     def kill(self):
  74         # type: () -> None
  75         """
  76         Kill worker thread. Returns immediately. Not useful for
  77         waiting on shutdown for events, use `flush` for that.
  78         """
  79         logger.debug("background worker got kill request")
  80         with self._lock:
  81             if self._thread:
  82                 try:
  83                     self._queue.put_nowait(_TERMINATOR)
  84                 except Full:
  85                     logger.debug("background worker queue full, kill failed")
  86 
  87                 self._thread = None
  88                 self._thread_for_pid = None
  89 
  90     def flush(self, timeout, callback=None):
  91         # type: (float, Optional[Any]) -> None
  92         logger.debug("background worker got flush request")
  93         with self._lock:
  94             if self.is_alive and timeout > 0.0:
  95                 self._wait_flush(timeout, callback)
  96         logger.debug("background worker flushed")
  97 
  98     def _wait_flush(self, timeout, callback):
  99         # type: (float, Optional[Any]) -> None
  100         initial_timeout = min(0.1, timeout)
  101         if not self._timed_queue_join(initial_timeout):
  102             pending = self._queue.qsize() + 1
  103             logger.debug("%d event(s) pending on flush", pending)
  104             if callback is not None:
  105                 callback(pending, timeout)
  106 
  107             if not self._timed_queue_join(timeout - initial_timeout):
  108                 pending = self._queue.qsize() + 1
  109                 logger.error("flush timed out, dropped %s events", pending)
  110 
  111     def submit(self, callback):
  112         # type: (Callable[[], None]) -> bool
  113         self._ensure_thread()
  114         try:
  115             self._queue.put_nowait(callback)
  116             return True
  117         except Full:
  118             return False
  119 
  120     def _target(self):
  121         # type: () -> None
  122         while True:
  123             callback = self._queue.get()
  124             try:
  125                 if callback is _TERMINATOR:
  126                     break
  127                 try:
  128                     callback()
  129                 except Exception:
  130                     logger.error("Failed processing job", exc_info=True)
  131             finally:
  132                 self._queue.task_done()
  133             sleep(0)
  134
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/sentry_sdk/worker.py b/sentry_sdk/worker.py
  --- a/sentry_sdk/worker.py
  +++ b/sentry_sdk/worker.py
  @@ -66,7 +66,7 @@
                   self._thread = threading.Thread(
                       target=self._target, name="raven-sentry.BackgroundWorker"
                   )
  -                self._thread.setDaemon(True)
  +                self._thread.daemon = True
                   self._thread.start()
                   self._thread_for_pid = os.getpid()
  
verification_info: {"golden_diff": "diff --git a/sentry_sdk/worker.py b/sentry_sdk/worker.py\n--- a/sentry_sdk/worker.py\n+++ b/sentry_sdk/worker.py\n@@ -66,7 +66,7 @@\n                 self._thread = threading.Thread(\n                     target=self._target, name=\"raven-sentry.BackgroundWorker\"\n                 )\n-                self._thread.setDaemon(True)\n+                self._thread.daemon = True\n                 self._thread.start()\n                 self._thread_for_pid = os.getpid()\n", "issue": "threading.setDaemon has been deprecated in favor of setting daemon attribute directly in Python 3.10\nRef : https://github.com/python/cpython/pull/25174\r\n\r\nhttps://github.com/getsentry/sentry-python/blob/927903e3b354a42e427d91129c399d64d480a6b9/sentry_sdk/worker.py#L69\n", "before_files": [{"content": "import os\nimport threading\n\nfrom time import sleep, time\nfrom sentry_sdk._compat import check_thread_support\nfrom sentry_sdk._queue import Queue, Full\nfrom sentry_sdk.utils import logger\nfrom sentry_sdk.consts import DEFAULT_QUEUE_SIZE\n\nfrom sentry_sdk._types import MYPY\n\nif MYPY:\n    from typing import Any\n    from typing import Optional\n    from typing import Callable\n\n\n_TERMINATOR = object()\n\n\nclass BackgroundWorker(object):\n    def __init__(self, queue_size=DEFAULT_QUEUE_SIZE):\n        # type: (int) -> None\n        check_thread_support()\n        self._queue = Queue(queue_size)  # type: Queue\n        self._lock = threading.Lock()\n        self._thread = None  # type: Optional[threading.Thread]\n        self._thread_for_pid = None  # type: Optional[int]\n\n    @property\n    def is_alive(self):\n        # type: () -> bool\n        if self._thread_for_pid != os.getpid():\n            return False\n        if not self._thread:\n            return False\n        return self._thread.is_alive()\n\n    def _ensure_thread(self):\n        # type: () -> None\n        if not self.is_alive:\n            self.start()\n\n    def _timed_queue_join(self, timeout):\n        # type: (float) -> bool\n        deadline = time() + timeout\n        queue = self._queue\n\n        queue.all_tasks_done.acquire()\n\n        try:\n            while queue.unfinished_tasks:\n                delay = deadline - time()\n                if delay <= 0:\n                    return False\n                queue.all_tasks_done.wait(timeout=delay)\n\n            return True\n        finally:\n            queue.all_tasks_done.release()\n\n    def start(self):\n        # type: () -> None\n        with self._lock:\n            if not self.is_alive:\n                self._thread = threading.Thread(\n                    target=self._target, name=\"raven-sentry.BackgroundWorker\"\n                )\n                self._thread.setDaemon(True)\n                self._thread.start()\n                self._thread_for_pid = os.getpid()\n\n    def kill(self):\n        # type: () -> None\n        \"\"\"\n        Kill worker thread. Returns immediately. Not useful for\n        waiting on shutdown for events, use `flush` for that.\n        \"\"\"\n        logger.debug(\"background worker got kill request\")\n        with self._lock:\n            if self._thread:\n                try:\n                    self._queue.put_nowait(_TERMINATOR)\n                except Full:\n                    logger.debug(\"background worker queue full, kill failed\")\n\n                self._thread = None\n                self._thread_for_pid = None\n\n    def flush(self, timeout, callback=None):\n        # type: (float, Optional[Any]) -> None\n        logger.debug(\"background worker got flush request\")\n        with self._lock:\n            if self.is_alive and timeout > 0.0:\n                self._wait_flush(timeout, callback)\n        logger.debug(\"background worker flushed\")\n\n    def _wait_flush(self, timeout, callback):\n        # type: (float, Optional[Any]) -> None\n        initial_timeout = min(0.1, timeout)\n        if not self._timed_queue_join(initial_timeout):\n            pending = self._queue.qsize() + 1\n            logger.debug(\"%d event(s) pending on flush\", pending)\n            if callback is not None:\n                callback(pending, timeout)\n\n            if not self._timed_queue_join(timeout - initial_timeout):\n                pending = self._queue.qsize() + 1\n                logger.error(\"flush timed out, dropped %s events\", pending)\n\n    def submit(self, callback):\n        # type: (Callable[[], None]) -> bool\n        self._ensure_thread()\n        try:\n            self._queue.put_nowait(callback)\n            return True\n        except Full:\n            return False\n\n    def _target(self):\n        # type: () -> None\n        while True:\n            callback = self._queue.get()\n            try:\n                if callback is _TERMINATOR:\n                    break\n                try:\n                    callback()\n                except Exception:\n                    logger.error(\"Failed processing job\", exc_info=True)\n            finally:\n                self._queue.task_done()\n            sleep(0)\n", "path": "sentry_sdk/worker.py"}], "after_files": [{"content": "import os\nimport threading\n\nfrom time import sleep, time\nfrom sentry_sdk._compat import check_thread_support\nfrom sentry_sdk._queue import Queue, Full\nfrom sentry_sdk.utils import logger\nfrom sentry_sdk.consts import DEFAULT_QUEUE_SIZE\n\nfrom sentry_sdk._types import MYPY\n\nif MYPY:\n    from typing import Any\n    from typing import Optional\n    from typing import Callable\n\n\n_TERMINATOR = object()\n\n\nclass BackgroundWorker(object):\n    def __init__(self, queue_size=DEFAULT_QUEUE_SIZE):\n        # type: (int) -> None\n        check_thread_support()\n        self._queue = Queue(queue_size)  # type: Queue\n        self._lock = threading.Lock()\n        self._thread = None  # type: Optional[threading.Thread]\n        self._thread_for_pid = None  # type: Optional[int]\n\n    @property\n    def is_alive(self):\n        # type: () -> bool\n        if self._thread_for_pid != os.getpid():\n            return False\n        if not self._thread:\n            return False\n        return self._thread.is_alive()\n\n    def _ensure_thread(self):\n        # type: () -> None\n        if not self.is_alive:\n            self.start()\n\n    def _timed_queue_join(self, timeout):\n        # type: (float) -> bool\n        deadline = time() + timeout\n        queue = self._queue\n\n        queue.all_tasks_done.acquire()\n\n        try:\n            while queue.unfinished_tasks:\n                delay = deadline - time()\n                if delay <= 0:\n                    return False\n                queue.all_tasks_done.wait(timeout=delay)\n\n            return True\n        finally:\n            queue.all_tasks_done.release()\n\n    def start(self):\n        # type: () -> None\n        with self._lock:\n            if not self.is_alive:\n                self._thread = threading.Thread(\n                    target=self._target, name=\"raven-sentry.BackgroundWorker\"\n                )\n                self._thread.daemon = True\n                self._thread.start()\n                self._thread_for_pid = os.getpid()\n\n    def kill(self):\n        # type: () -> None\n        \"\"\"\n        Kill worker thread. Returns immediately. Not useful for\n        waiting on shutdown for events, use `flush` for that.\n        \"\"\"\n        logger.debug(\"background worker got kill request\")\n        with self._lock:\n            if self._thread:\n                try:\n                    self._queue.put_nowait(_TERMINATOR)\n                except Full:\n                    logger.debug(\"background worker queue full, kill failed\")\n\n                self._thread = None\n                self._thread_for_pid = None\n\n    def flush(self, timeout, callback=None):\n        # type: (float, Optional[Any]) -> None\n        logger.debug(\"background worker got flush request\")\n        with self._lock:\n            if self.is_alive and timeout > 0.0:\n                self._wait_flush(timeout, callback)\n        logger.debug(\"background worker flushed\")\n\n    def _wait_flush(self, timeout, callback):\n        # type: (float, Optional[Any]) -> None\n        initial_timeout = min(0.1, timeout)\n        if not self._timed_queue_join(initial_timeout):\n            pending = self._queue.qsize() + 1\n            logger.debug(\"%d event(s) pending on flush\", pending)\n            if callback is not None:\n                callback(pending, timeout)\n\n            if not self._timed_queue_join(timeout - initial_timeout):\n                pending = self._queue.qsize() + 1\n                logger.error(\"flush timed out, dropped %s events\", pending)\n\n    def submit(self, callback):\n        # type: (Callable[[], None]) -> None\n        self._ensure_thread()\n        try:\n            self._queue.put_nowait(callback)\n        except Full:\n            self.on_full_queue(callback)\n\n    def on_full_queue(self, callback):\n        # type: (Optional[Any]) -> None\n        logger.error(\"background worker queue full, dropping event\")\n\n    def _target(self):\n        # type: () -> None\n        while True:\n            callback = self._queue.get()\n            try:\n                if callback is _TERMINATOR:\n                    break\n                try:\n                    callback()\n                except Exception:\n                    logger.error(\"Failed processing job\", exc_info=True)\n            finally:\n                self._queue.task_done()\n            sleep(0)\n", "path": "sentry_sdk/worker.py"}]}